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# gpudb::VisualizeIsochroneRequest

> gpudb::VisualizeIsochroneRequest — Kinetica C++ API

<div className="kinetica-doxygen">
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    <p>A set of parameters for <a className="el" href="/content/api/cpp/classgpudb_1_1GPUdb#ac318fcde27f507588dfb91ad77308c5f">GPUdb::visualizeIsochrone</a>. <a href="#details">More...</a></p>
    <p><code>#include \<<a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">gpudb/protocol/visualize\_isochrone.h</a>></code></p>

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        <td className="memItemLeft" align="right" valign="top"> </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a14232fd0c006aa3efa54e411bdffc4d3">VisualizeIsochroneRequest</a> ()</td>
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      <tr className="memdesc:a14232fd0c006aa3efa54e411bdffc4d3">
        <td className="mdescLeft"> </td>
        <td className="mdescRight">Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1VisualizeIsochroneRequest" title="A set of parameters for GPUdb::visualizeIsochrone.">VisualizeIsochroneRequest</a> object with default parameters. <br /></td>
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        <td className="memItemRight" valign="bottom"><a className="el" href="#a3d3ad67e31a374baf72fcc8e8a104562">VisualizeIsochroneRequest</a> (const std::string \&graphName\_, const std::string \&sourceNode\_, const double maxSolutionRadius\_, const std::vector\< std::string > \&weightsOnEdges\_, const std::vector\< std::string > \&restrictions\_, const int32\_t numLevels\_, const bool generateImage\_, const std::string \&levelsTable\_, const std::map\< std::string, std::string > \&styleOptions\_, const std::map\< std::string, std::string > \&solveOptions\_, const std::map\< std::string, std::string > \&contourOptions\_, const std::map\< std::string, std::string > \&options\_)</td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1VisualizeIsochroneRequest" title="A set of parameters for GPUdb::visualizeIsochrone.">VisualizeIsochroneRequest</a> object with the specified parameters. <br /></td>
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          <h2 className="groupheader"> Public Attributes</h2>
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        <td className="memItemLeft" align="right" valign="top">std::string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a403408192999cbae3fbff3bac5b9b061">graphName</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Name of the graph on which the isochrone is to be computed. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#ab4d5a5da5d2a23f549f37369d138ea3b">sourceNode</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Starting vertex on the underlying graph from/to which the isochrones are created. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">double </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#aa36da511fb299ff5185adf6e9059b6d2">maxSolutionRadius</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Extent of the search radius around <a className="el" href="#ab4d5a5da5d2a23f549f37369d138ea3b">sourceNode</a>. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::vector\< std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#ab5c0de935229ea6fdd237c997cb51872">weightsOnEdges</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Additional weights to apply to the edges of an existing graph. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::vector\< std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#af3775ddca97781c79d76377b7ff1335b">restrictions</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Additional restrictions to apply to the nodes/edges of an existing graph. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">int32\_t </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a080c2e1adf90edb7c3894ddbfb7e7e7d">numLevels</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Number of equally-separated isochrones to compute. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">bool </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#abcf183f96bda47319a1f5658446c8de8">generateImage</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, generates a PNG image of the isochrones in the response. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::string </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#adf506fdab67903eef829b26c0bf393de">levelsTable</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Name of the table to output the isochrones to, in \[ schema\_name. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::map\< std::string, std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a6782343e5d7f6cea90609006d89ac02b">styleOptions</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Various style related options of the isochrone image. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::map\< std::string, std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#afe2715a28ae18e73ce01b2dda1e0f346">solveOptions</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Solver specific parameters. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::map\< std::string, std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#af88f8a99b3742ddd55dda9d9a439a7d4">contourOptions</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Contour specific parameters. <br /></td>
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        <td className="memItemLeft" align="right" valign="top">std::map\< std::string, std::string > </td>
        <td className="memItemRight" valign="bottom"><a className="el" href="#a9f9d28e5a25256074336f9b1fb85cce5">options</a></td>
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        <td className="mdescLeft"> </td>
        <td className="mdescRight">Additional parameters. <br /></td>
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    <h2 className="groupheader">Detailed Description</h2>

    <div className="textblock">
      <p>A set of parameters for <a className="el" href="/content/api/cpp/classgpudb_1_1GPUdb#ac318fcde27f507588dfb91ad77308c5f">GPUdb::visualizeIsochrone</a>. </p>
      <p>Generate an image containing isolines for travel results using an existing graph. Isolines represent curves of equal cost, with cost typically referring to the time or distance assigned as the weights of the underlying graph. See <a href="/content/graph_solver/network_graph_solver/" target="_top">Graphs and Solvers</a> for more information on graphs. </p>
      <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00023">23</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="groupheader">Constructor & Destructor Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#a14232fd0c006aa3efa54e411bdffc4d3">◆ </a></span>VisualizeIsochroneRequest() <span className="overload">\[1/2]</span></h2>

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                  <td className="memname">gpudb::VisualizeIsochroneRequest::VisualizeIsochroneRequest </td>
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                  <td>)</td>

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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1VisualizeIsochroneRequest" title="A set of parameters for GPUdb::visualizeIsochrone.">VisualizeIsochroneRequest</a> object with default parameters. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00029">29</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a3d3ad67e31a374baf72fcc8e8a104562">◆ </a></span>VisualizeIsochroneRequest() <span className="overload">\[2/2]</span></h2>

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                  <td className="paramtype">const std::string &</td>
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                  <td className="paramtype">const std::string &</td>
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                  <td className="paramtype">const double</td>
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                  <td className="paramtype">const std::vector\< std::string > &</td>
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                  <td className="paramtype">const std::vector\< std::string > &</td>
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                  <td className="paramtype">const int32\_t</td>
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                  <td className="paramtype">const bool</td>
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                  <td className="paramtype">const std::map\< std::string, std::string > &</td>
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        <p>Constructs a <a className="el" href="/content/api/cpp/structgpudb_1_1VisualizeIsochroneRequest" title="A set of parameters for GPUdb::visualizeIsochrone.">VisualizeIsochroneRequest</a> object with the specified parameters. </p>

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          <div className="dt">Parameters</div>

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                <td className="paramdir">\[in]</td>
                <td className="paramname">graphName\_</td>
                <td>Name of the graph on which the isochrone is to be computed. </td>
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              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">sourceNode\_</td>
                <td>Starting vertex on the underlying graph from/to which the isochrones are created. </td>
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                <td className="paramdir">\[in]</td>
                <td className="paramname">maxSolutionRadius\_</td>
                <td>Extent of the search radius around <span className="em arg">sourceNode\_</span>. Set to '-1.0' for unrestricted search radius. The default value is -1.0. </td>
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                <td className="paramdir">\[in]</td>
                <td className="paramname">weightsOnEdges\_</td>
                <td>Additional weights to apply to the edges of an existing graph. Weights must be specified using <a href="/content/graph_solver/network_graph_solver/#identifiers" target="_top">identifiers</a>; identifiers are grouped as <a href="/content/graph_solver/network_graph_solver/#id-combos" target="_top">combinations</a>. Identifiers can be used with existing column names, e.g., 'table.column AS WEIGHTS\_EDGE\_ID', or expressions, e.g., 'ST\_LENGTH(wkt) AS WEIGHTS\_VALUESPECIFIED'. Any provided weights will be added (in the case of 'WEIGHTS\_VALUESPECIFIED') to or multiplied with (in the case of 'WEIGHTS\_FACTORSPECIFIED') the existing weight(s). The default value is an empty vector. </td>
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              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">restrictions\_</td>
                <td>Additional restrictions to apply to the nodes/edges of an existing graph. Restrictions must be specified using <a href="/content/graph_solver/network_graph_solver/#identifiers" target="_top">identifiers</a>; identifiers are grouped as <a href="/content/graph_solver/network_graph_solver/#id-combos" target="_top">combinations</a>. Identifiers can be used with existing column names, e.g., 'table.column AS RESTRICTIONS\_EDGE\_ID', or expressions, e.g., 'column/2 AS RESTRICTIONS\_VALUECOMPARED'. If <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">remove\_previous\_restrictions</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, any provided restrictions will replace the existing restrictions. If <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">remove\_previous\_restrictions</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">false</a>, any provided restrictions will be added (in the case of 'RESTRICTIONS\_VALUECOMPARED') to or replaced (in the case of 'RESTRICTIONS\_ONOFFCOMPARED'). The default value is an empty vector. </td>
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              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">numLevels\_</td>
                <td>Number of equally-separated isochrones to compute. The default value is 1. </td>
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                <td className="paramdir">\[in]</td>
                <td className="paramname">generateImage\_</td>

                <td>
                  If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, generates a PNG image of the isochrones in the response. Supported values:

                  <ul>
                    <li> true </li>
                    <li> false </li>
                  </ul>

                  The default value is true.
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                <td className="paramdir">\[in]</td>
                <td className="paramname">levelsTable\_</td>
                <td>Name of the table to output the isochrones to, in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a> and meeting <a href="/content/concepts/tables/#table-naming-criteria" target="_top">table naming criteria</a>. The table will contain levels and their corresponding WKT geometry. If no value is provided, the table is not generated. The default value is ''. </td>
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              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">styleOptions\_</td>

                <td>
                  Various style related options of the isochrone image.

                  <ul>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#afba8922f9412e3a149a8bb86dcc6d481">visualize\_isochrone\_line\_size</a>: The width of the contour lines in pixels. The default value is '3'. The minimum allowed value is '0'. The maximum allowed value is '20'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a042e5c8a04147b11daca2bde422a5e79">visualize\_isochrone\_color</a>: Color of generated isolines. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). If alpha is specified and flooded contours are enabled, it will be used for as the transparency of the latter. The default value is 'FF696969'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94e193f2df29c3ddc10e5c867a69885a">visualize\_isochrone\_bg\_color</a>: When <span className="em arg">generateImage\_</span> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, background color of the generated image. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). The default value is '00000000'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0505bf03c94c5e3a95c5a842362823f4">visualize\_isochrone\_text\_color</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, color for the labels. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). The default value is 'FF000000'. </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#acf0c726aff9c173eedc89f3ac923802b">visualize\_isochrone\_colormap</a>: Colormap for contours or fill-in regions when applicable. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#af450f9ad252f5818f3faab770ec106fc">visualize\_isochrone\_jet</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a99518c55542c8d9c2767485ee06a457e">visualize\_isochrone\_accent</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa2bc2c4a241eafb02a58ce6b0b56c4b6">visualize\_isochrone\_afmhot</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aea824d5c0e7efbfb4e8badf5afd6df8c">visualize\_isochrone\_autumn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae8afd1b8d033702e462f57a415eb449d">visualize\_isochrone\_binary</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#afdbbfb51f966dc6f769731497c29e2b0">visualize\_isochrone\_blues</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab929fe079d960a14c0b3fb037acc6bfb">visualize\_isochrone\_bone</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a67784484d92e5c101aa96fe7d831bc2e">visualize\_isochrone\_brbg</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9cdde45604c3a17d813a4c40e6eec83e">visualize\_isochrone\_brg</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4c90d1708113a08a2df0028964c2861f">visualize\_isochrone\_bugn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#adb23b122f5823bf26e89ae8156216c9a">visualize\_isochrone\_bupu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a464e29d8288c820afac375f3676ea89a">visualize\_isochrone\_bwr</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab017001b7a6025c13ffbbb55cef91fdf">visualize\_isochrone\_cmrmap</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa723a1e350313a41a7760797e7167e72">visualize\_isochrone\_cool</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a67a269abcb2bc611bd7ded0ddc8b28f8">visualize\_isochrone\_coolwarm</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad7af98a1fbdb1741c79f77a8653a2d0e">visualize\_isochrone\_copper</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a25f592f808668f9ed3a74ee635f8ba47">visualize\_isochrone\_cubehelix</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a51304143d51c801aad399c2b51f3d148">visualize\_isochrone\_dark2</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a90f563854f7619f4208227c0de8ab16c">visualize\_isochrone\_flag</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5b68ce98315d306c7e10c8d1d32ee1f7">visualize\_isochrone\_gist\_earth</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a53ca6af17e479f0ed3f809f88ad358ca">visualize\_isochrone\_gist\_gray</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1d2352415c00c99b51b4b33c74dd6482">visualize\_isochrone\_gist\_heat</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a95618e1f50e078e0a1f2b33bfdf0bdd9">visualize\_isochrone\_gist\_ncar</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1f12588665bf696bd13997d197daaabf">visualize\_isochrone\_gist\_rainbow</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a3886364f91d3f47416959ac7dac6b10f">visualize\_isochrone\_gist\_stern</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2210090347a492bc575b4e130d5afeb9">visualize\_isochrone\_gist\_yarg</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aab9e1d08cf585fd4925955ec01654824">visualize\_isochrone\_gnbu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a214f24bbd99cee8f1e96d4f11ec30d2d">visualize\_isochrone\_gnuplot2</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9f0c58fb21b526597cd0ea59fe70c32c">visualize\_isochrone\_gnuplot</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a66d3659d233c817b9f3d25a52b17a97b">visualize\_isochrone\_gray</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a71ff947e932fb62351b82b49f286660a">visualize\_isochrone\_greens</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a898a92b52338668859c8fff5acedbeec">visualize\_isochrone\_greys</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a808427b57ae3eb05ae99d95ec09ad78f">visualize\_isochrone\_hot</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4454d6455eb3661f1ff136f2b260ecf5">visualize\_isochrone\_hsv</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aac7ad6ae51438533e09823c5dc15181e">visualize\_isochrone\_inferno</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a35658ca974a14109c0b6d3aa12e5d070">visualize\_isochrone\_magma</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a36a9b3d763bac0f0bac6e59ffcedc190">visualize\_isochrone\_nipy\_spectral</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa83517de13641533a92d22c2312a7540">visualize\_isochrone\_ocean</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a64bd356e937a3727080c1833ce2d0147">visualize\_isochrone\_oranges</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6f7f4d05c464b7313069055705766170">visualize\_isochrone\_orrd</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9ed6b15c10668d65a60119199c8ad50c">visualize\_isochrone\_paired</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6a04a95b1913d754efb1da9abf977e09">visualize\_isochrone\_pastel1</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2d69995d60aae35a6b3aeefe628b4e59">visualize\_isochrone\_pastel2</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a92c8e683641cfa9edb2871af88a1915c">visualize\_isochrone\_pink</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5f041ef70452316bdd14ec7cc1cb631e">visualize\_isochrone\_piyg</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a450f314335de50e1f5d62e7e56d351de">visualize\_isochrone\_plasma</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac3b93d7d122559918f0263e0520c3d33">visualize\_isochrone\_prgn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#afaf940acc2f967a60a07cc0d7a171fda">visualize\_isochrone\_prism</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#af80e969b7dbfb2b8067d91a5fce7f693">visualize\_isochrone\_pubu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94b1903be04e04b173df4d8c6b57735f">visualize\_isochrone\_pubugn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab9760130bbd7458b5194ad7af2cb4ed9">visualize\_isochrone\_puor</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac91c64dd0cb58aa121680d88a647d66a">visualize\_isochrone\_purd</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aef3a2cf6da1de27c1a8a589a818fedc0">visualize\_isochrone\_purples</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a04effe6bdfa8136ca474659ae5d023e0">visualize\_isochrone\_rainbow</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a98efa0fc0f0f485205388ea6bdf61e5e">visualize\_isochrone\_rdbu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a734b3e30ce17b06252bb88b5fd225c04">visualize\_isochrone\_rdgy</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a40bb979922dbce13438862de1c20ea6f">visualize\_isochrone\_rdpu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0fd88b59fa60690529b8fb71cb4b46f8">visualize\_isochrone\_rdylbu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab228af3a08797803fae534c862bebf1f">visualize\_isochrone\_rdylgn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad9e50d3187e16ab49f7f21eec64fa3a8">visualize\_isochrone\_reds</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a93886894e86282a3cf7c75e8c53c39ae">visualize\_isochrone\_seismic</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aca8e6ad12ed9920ac31c535d778a934f">visualize\_isochrone\_set1</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94d1a397d69c60ef9f025f74e32e788d">visualize\_isochrone\_set2</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a141f8cc236e2d71da4d50c7c0568a466">visualize\_isochrone\_set3</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae2f82a5f727664a81821e2c9daaa2e00">visualize\_isochrone\_spectral</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa275df8af449954767204c293922fca0">visualize\_isochrone\_spring</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a46ef253b3a6cb1aec8c599cc583be9e5">visualize\_isochrone\_summer</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a77ca451bc67ea20f28b4e4489f1e008d">visualize\_isochrone\_terrain</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#af619e26140518cbf50ad3a20dea200b7">visualize\_isochrone\_viridis</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#afd2eb18c9fab60db99bab8fe1f7cab43">visualize\_isochrone\_winter</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4d9fd202f936b9601aaac5c313e9258f">visualize\_isochrone\_wistia</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1cd296889da7b5a34b81f8a723cec611">visualize\_isochrone\_ylgn</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a517e8f3064cdc1ca71e0e38de8bd4ea4">visualize\_isochrone\_ylgnbu</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac461d6a9eb1a40c0f739e7aad43f2bc2">visualize\_isochrone\_ylorbr</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa7a2140c4798cc9b8f244868417f85e7">visualize\_isochrone\_ylorrd</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#af450f9ad252f5818f3faab770ec106fc">visualize\_isochrone\_jet</a>.
                    </li>
                  </ul>
                </td>
              </tr>

              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">solveOptions\_</td>

                <td>
                  Solver specific parameters.

                  <ul>
                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">visualize\_isochrone\_remove\_previous\_restrictions</a>: Ignore the restrictions applied to the graph during the creation stage and only use the restrictions specified in this request if set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
                    </li>

                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae6b56cae6b95bd6ec87d53f60be804a7">visualize\_isochrone\_restriction\_threshold\_value</a>: Value-based restriction comparison. Any node or edge with a 'RESTRICTIONS\_VALUECOMPARED' value greater than the <a className="el" href="/content/api/cpp/namespacegpudb#ae6b56cae6b95bd6ec87d53f60be804a7">restriction\_threshold\_value</a> will not be included in the solution. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4dc28af7e326ce19fcf79d375a5fba78">visualize\_isochrone\_uniform\_weights</a>: When specified, assigns the given value to all the edges in the graph. Note that weights provided in <span className="em arg">weightsOnEdges\_</span> will override this value. </li>
                  </ul>

                  The default value is an empty map.
                </td>
              </tr>

              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">contourOptions\_</td>

                <td>
                  Contour specific parameters.

                  <ul>
                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#a34c329f05f7179ea53f65c86c425d97f">visualize\_isochrone\_projection</a>: Spatial Reference System (i.e. EPSG Code). Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a10d74aebab8814a599ccbc5763f672fb">visualize\_isochrone\_3857</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad34828659d612628017bc2525bfb179a">visualize\_isochrone\_102100</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a324450ab53e47cd5d1b04fcb7ec83710">visualize\_isochrone\_900913</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae93881b1c178dd582bf84f1b70169fcf">visualize\_isochrone\_EPSG\_4326</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a832462f7aa56859ffc3f65078354ccd0">visualize\_isochrone\_PLATE\_CARREE</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac04816967d903f682fa6b033fea50e83">visualize\_isochrone\_EPSG\_900913</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab208354411b31a8dbebcfd34245311bc">visualize\_isochrone\_EPSG\_102100</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a8925fca8e23cd9d0622ba6067f3ce1f1">visualize\_isochrone\_EPSG\_3857</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae90833bee6d47168dfde507358c59268">visualize\_isochrone\_WEB\_MERCATOR</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a832462f7aa56859ffc3f65078354ccd0">visualize\_isochrone\_PLATE\_CARREE</a>.
                    </li>

                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9d22b3c5b54739e6fb5b4c24a99945f7">visualize\_isochrone\_width</a>: When <span className="em arg">generateImage\_</span> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, width of the generated image. The default value is '512'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6fffbbfe7224587808e17635fbe3e68a">visualize\_isochrone\_height</a>: When <span className="em arg">generateImage\_</span> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, height of the generated image. If the default value is used, the <a className="el" href="/content/api/cpp/namespacegpudb#a6fffbbfe7224587808e17635fbe3e68a">height</a> is set to the value resulting from multiplying the aspect ratio by the <a className="el" href="/content/api/cpp/namespacegpudb#a9d22b3c5b54739e6fb5b4c24a99945f7">width</a>. The default value is '-1'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5bbdef878b1eb27ec03008f0986074ad">visualize\_isochrone\_search\_radius</a>: When interpolating the graph solution to generate the isochrone, neighborhood of influence of sample data (in percent of the image/grid). The default value is '20'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae81a20d2d6572efd5457eb1459760459">visualize\_isochrone\_grid\_size</a>: When interpolating the graph solution to generate the isochrone, number of subdivisions along the x axis when building the grid (the y is computed using the aspect ratio of the output image). The default value is '100'. </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#afc0852bb81429c3014ca5957e8a31d6d">visualize\_isochrone\_color\_isolines</a>: Color each isoline according to the colormap; otherwise, use the foreground color. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>.
                    </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">visualize\_isochrone\_add\_labels</a>: If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, add labels to the isolines. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
                    </li>

                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">visualize\_isochrone\_labels\_font\_size</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, size of the font (in pixels) to use for labels. The default value is '12'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a299e212bebdb027701fd328d0a69c539">visualize\_isochrone\_labels\_font\_family</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, font name to be used when adding labels. The default value is 'arial'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5adaa2beae23f9628eeec00633e415a4">visualize\_isochrone\_labels\_search\_window</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, a search window is used to rate the local quality of each isoline. Smooth, continuous, long stretches with relatively flat angles are favored. The provided value is multiplied by the <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">labels\_font\_size</a> to calculate the final window size. The default value is '4'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a8b0b65774fb9554dd6c9df3194d2f489">visualize\_isochrone\_labels\_intralevel\_separation</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, this value determines the distance (in multiples of the <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">labels\_font\_size</a>) to use when separating labels of different values. The default value is '4'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#ace9e610e473ef0fdc1312b231f14e014">visualize\_isochrone\_labels\_interlevel\_separation</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, this value determines the distance (in percent of the total window size) to use when separating labels of the same value. The default value is '20'. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a26499d4826e70a500e1c2cc127ecd8e4">visualize\_isochrone\_labels\_max\_angle</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, maximum angle (in degrees) from the vertical to use when adding labels. The default value is '60'. </li>
                  </ul>

                  The default value is an empty map.
                </td>
              </tr>

              <tr>
                <td className="paramdir">\[in]</td>
                <td className="paramname">options\_</td>

                <td>
                  Additional parameters.

                  <ul>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0c3a1331151edbea8282ee334eefecc7">visualize\_isochrone\_solve\_table</a>: Name of the table to host intermediate solve results, in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a> and meeting <a href="/content/concepts/tables/#table-naming-criteria" target="_top">table naming criteria</a>. This table will contain the position and cost for each vertex in the graph. If the default value is used, a temporary table is created and deleted once the solution is calculated. The default value is ''. </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#ae564a6b2e068d464d9aee6a840650cd3">visualize\_isochrone\_is\_replicated</a>: If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, replicate the <a className="el" href="/content/api/cpp/namespacegpudb#a0c3a1331151edbea8282ee334eefecc7">solve\_table</a>. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>.
                    </li>

                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a887c43e0c560a7821b9d16e040966b17">visualize\_isochrone\_data\_min\_x</a>: Lower bound for the x values. If not provided, it will be computed from the bounds of the input data. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a3bf28f9984af4bee28465c49df4745fe">visualize\_isochrone\_data\_max\_x</a>: Upper bound for the x values. If not provided, it will be computed from the bounds of the input data. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0d535972e2625430510f338c33e1795e">visualize\_isochrone\_data\_min\_y</a>: Lower bound for the y values. If not provided, it will be computed from the bounds of the input data. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#aba0a0dfdc62d2c5a7bd474651d8bc426">visualize\_isochrone\_data\_max\_y</a>: Upper bound for the y values. If not provided, it will be computed from the bounds of the input data. </li>
                    <li> <a className="el" href="/content/api/cpp/namespacegpudb#a758bcdc9e7b93ea554834b9bd155ddad">visualize\_isochrone\_concavity\_level</a>: Factor to qualify the concavity of the isochrone curves. The lower the value, the more convex (with '0' being completely convex and '1' being the most concave). The default value is '0.5'. The minimum allowed value is '0'. The maximum allowed value is '1'. </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#a47f849e7545c84befa010279eb4bcc96">visualize\_isochrone\_use\_priority\_queue\_solvers</a>: Sets the solver methods explicitly if true. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>: Uses the solvers scheduled for 'shortest\_path' and 'inverse\_shortest\_path' based on <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">solve\_direction</a>. </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>: Uses the solvers 'priority\_queue' and 'inverse\_priority\_queue' based on <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">solve\_direction</a>. </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
                    </li>

                    <li>
                      <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">visualize\_isochrone\_solve\_direction</a>: Specify whether we are going to the source node, or starting from it. Supported values:

                      <ul>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2ae81d9fe0ef6bb91c1bccd02f0492f7">visualize\_isochrone\_from\_source</a>: Shortest path to get to the source (inverse Dijkstra). </li>
                        <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac6d559b19e604edbf9c57b059b458e85">visualize\_isochrone\_to\_source</a>: Shortest path to source (Dijkstra). </li>
                      </ul>

                      The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a2ae81d9fe0ef6bb91c1bccd02f0492f7">visualize\_isochrone\_from\_source</a>.
                    </li>
                  </ul>

                  The default value is an empty map.
                </td>
              </tr>
            </table>
          </div>
        </div>

        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00783">783</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="groupheader">Member Data Documentation</h2>
    <h2 className="memtitle"><span className="permalink"><a href="#af88f8a99b3742ddd55dda9d9a439a7d4">◆ </a></span>contourOptions</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
          <tr>
            <td className="memname">std::map\<std::string, std::string> gpudb::VisualizeIsochroneRequest::contourOptions</td>
          </tr>
        </table>
      </div>

      <div className="memdoc">
        <p>Contour specific parameters. </p>

        <ul>
          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#a34c329f05f7179ea53f65c86c425d97f">visualize\_isochrone\_projection</a>: Spatial Reference System (i.e. EPSG Code). Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a10d74aebab8814a599ccbc5763f672fb">visualize\_isochrone\_3857</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad34828659d612628017bc2525bfb179a">visualize\_isochrone\_102100</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a324450ab53e47cd5d1b04fcb7ec83710">visualize\_isochrone\_900913</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae93881b1c178dd582bf84f1b70169fcf">visualize\_isochrone\_EPSG\_4326</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a832462f7aa56859ffc3f65078354ccd0">visualize\_isochrone\_PLATE\_CARREE</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac04816967d903f682fa6b033fea50e83">visualize\_isochrone\_EPSG\_900913</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab208354411b31a8dbebcfd34245311bc">visualize\_isochrone\_EPSG\_102100</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a8925fca8e23cd9d0622ba6067f3ce1f1">visualize\_isochrone\_EPSG\_3857</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae90833bee6d47168dfde507358c59268">visualize\_isochrone\_WEB\_MERCATOR</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a832462f7aa56859ffc3f65078354ccd0">visualize\_isochrone\_PLATE\_CARREE</a>.
          </li>

          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9d22b3c5b54739e6fb5b4c24a99945f7">visualize\_isochrone\_width</a>: When <a className="el" href="#abcf183f96bda47319a1f5658446c8de8">generateImage</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, width of the generated image. The default value is '512'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6fffbbfe7224587808e17635fbe3e68a">visualize\_isochrone\_height</a>: When <a className="el" href="#abcf183f96bda47319a1f5658446c8de8">generateImage</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, height of the generated image. If the default value is used, the <a className="el" href="/content/api/cpp/namespacegpudb#a6fffbbfe7224587808e17635fbe3e68a">height</a> is set to the value resulting from multiplying the aspect ratio by the <a className="el" href="/content/api/cpp/namespacegpudb#a9d22b3c5b54739e6fb5b4c24a99945f7">width</a>. The default value is '-1'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5bbdef878b1eb27ec03008f0986074ad">visualize\_isochrone\_search\_radius</a>: When interpolating the graph solution to generate the isochrone, neighborhood of influence of sample data (in percent of the image/grid). The default value is '20'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae81a20d2d6572efd5457eb1459760459">visualize\_isochrone\_grid\_size</a>: When interpolating the graph solution to generate the isochrone, number of subdivisions along the x axis when building the grid (the y is computed using the aspect ratio of the output image). The default value is '100'. </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#afc0852bb81429c3014ca5957e8a31d6d">visualize\_isochrone\_color\_isolines</a>: Color each isoline according to the colormap; otherwise, use the foreground color. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>.
          </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">visualize\_isochrone\_add\_labels</a>: If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, add labels to the isolines. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
          </li>

          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">visualize\_isochrone\_labels\_font\_size</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, size of the font (in pixels) to use for labels. The default value is '12'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a299e212bebdb027701fd328d0a69c539">visualize\_isochrone\_labels\_font\_family</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, font name to be used when adding labels. The default value is 'arial'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5adaa2beae23f9628eeec00633e415a4">visualize\_isochrone\_labels\_search\_window</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, a search window is used to rate the local quality of each isoline. Smooth, continuous, long stretches with relatively flat angles are favored. The provided value is multiplied by the <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">labels\_font\_size</a> to calculate the final window size. The default value is '4'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a8b0b65774fb9554dd6c9df3194d2f489">visualize\_isochrone\_labels\_intralevel\_separation</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, this value determines the distance (in multiples of the <a className="el" href="/content/api/cpp/namespacegpudb#a1bd360eb2f37aeefaf2367d44029fe53">labels\_font\_size</a>) to use when separating labels of different values. The default value is '4'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#ace9e610e473ef0fdc1312b231f14e014">visualize\_isochrone\_labels\_interlevel\_separation</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, this value determines the distance (in percent of the total window size) to use when separating labels of the same value. The default value is '20'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a26499d4826e70a500e1c2cc127ecd8e4">visualize\_isochrone\_labels\_max\_angle</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, maximum angle (in degrees) from the vertical to use when adding labels. The default value is '60'. </li>
        </ul>

        <p>The default value is an empty map. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l01232">1232</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#abcf183f96bda47319a1f5658446c8de8">◆ </a></span>generateImage</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
          <tr>
            <td className="memname">bool gpudb::VisualizeIsochroneRequest::generateImage</td>
          </tr>
        </table>
      </div>

      <div className="memdoc">
        <p>If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, generates a PNG image of the isochrones in the response. </p>
        <p>Supported values: </p>

        <ul>
          <li> true </li>
          <li> false </li>
        </ul>

        <p>The default value is true. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00870">870</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#a403408192999cbae3fbff3bac5b9b061">◆ </a></span>graphName</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
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            <td className="memname">std::string gpudb::VisualizeIsochroneRequest::graphName</td>
          </tr>
        </table>
      </div>

      <div className="memdoc">
        <p>Name of the graph on which the isochrone is to be computed. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00802">802</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#adf506fdab67903eef829b26c0bf393de">◆ </a></span>levelsTable</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
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            <td className="memname">std::string gpudb::VisualizeIsochroneRequest::levelsTable</td>
          </tr>
        </table>
      </div>

      <div className="memdoc">
        <p>Name of the table to output the isochrones to, in \[ schema\_name. </p>
        <p>\ ]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a> and meeting <a href="/content/concepts/tables/#table-naming-criteria" target="_top">table naming criteria</a>. The table will contain levels and their corresponding WKT geometry. If no value is provided, the table is not generated. The default value is ''. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00882">882</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#aa36da511fb299ff5185adf6e9059b6d2">◆ </a></span>maxSolutionRadius</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
          <tr>
            <td className="memname">double gpudb::VisualizeIsochroneRequest::maxSolutionRadius</td>
          </tr>
        </table>
      </div>

      <div className="memdoc">
        <p>Extent of the search radius around <a className="el" href="#ab4d5a5da5d2a23f549f37369d138ea3b">sourceNode</a>. </p>
        <p>Set to '-1.0' for unrestricted search radius. The default value is -1.0. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00814">814</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#a080c2e1adf90edb7c3894ddbfb7e7e7d">◆ </a></span>numLevels</h2>

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            <td className="memname">int32\_t gpudb::VisualizeIsochroneRequest::numLevels</td>
          </tr>
        </table>
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      <div className="memdoc">
        <p>Number of equally-separated isochrones to compute. </p>
        <p>The default value is 1. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00858">858</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#a9f9d28e5a25256074336f9b1fb85cce5">◆ </a></span>options</h2>

    <div className="memitem">
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            <td className="memname">std::map\<std::string, std::string> gpudb::VisualizeIsochroneRequest::options</td>
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      <div className="memdoc">
        <p>Additional parameters. </p>

        <ul>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0c3a1331151edbea8282ee334eefecc7">visualize\_isochrone\_solve\_table</a>: Name of the table to host intermediate solve results, in \[schema\_name.]table\_name format, using standard <a href="/content/concepts/tables/#table-name-resolution" target="_top">name resolution rules</a> and meeting <a href="/content/concepts/tables/#table-naming-criteria" target="_top">table naming criteria</a>. This table will contain the position and cost for each vertex in the graph. If the default value is used, a temporary table is created and deleted once the solution is calculated. The default value is ''. </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#ae564a6b2e068d464d9aee6a840650cd3">visualize\_isochrone\_is\_replicated</a>: If set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, replicate the <a className="el" href="/content/api/cpp/namespacegpudb#a0c3a1331151edbea8282ee334eefecc7">solve\_table</a>. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>.
          </li>

          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a887c43e0c560a7821b9d16e040966b17">visualize\_isochrone\_data\_min\_x</a>: Lower bound for the x values. If not provided, it will be computed from the bounds of the input data. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a3bf28f9984af4bee28465c49df4745fe">visualize\_isochrone\_data\_max\_x</a>: Upper bound for the x values. If not provided, it will be computed from the bounds of the input data. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0d535972e2625430510f338c33e1795e">visualize\_isochrone\_data\_min\_y</a>: Lower bound for the y values. If not provided, it will be computed from the bounds of the input data. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#aba0a0dfdc62d2c5a7bd474651d8bc426">visualize\_isochrone\_data\_max\_y</a>: Upper bound for the y values. If not provided, it will be computed from the bounds of the input data. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a758bcdc9e7b93ea554834b9bd155ddad">visualize\_isochrone\_concavity\_level</a>: Factor to qualify the concavity of the isochrone curves. The lower the value, the more convex (with '0' being completely convex and '1' being the most concave). The default value is '0.5'. The minimum allowed value is '0'. The maximum allowed value is '1'. </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#a47f849e7545c84befa010279eb4bcc96">visualize\_isochrone\_use\_priority\_queue\_solvers</a>: Sets the solver methods explicitly if true. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a>: Uses the solvers scheduled for 'shortest\_path' and 'inverse\_shortest\_path' based on <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">solve\_direction</a>. </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>: Uses the solvers 'priority\_queue' and 'inverse\_priority\_queue' based on <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">solve\_direction</a>. </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
          </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#af2e95597b4516659fd1efacd2147f5b9">visualize\_isochrone\_solve\_direction</a>: Specify whether we are going to the source node, or starting from it. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2ae81d9fe0ef6bb91c1bccd02f0492f7">visualize\_isochrone\_from\_source</a>: Shortest path to get to the source (inverse Dijkstra). </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac6d559b19e604edbf9c57b059b458e85">visualize\_isochrone\_to\_source</a>: Shortest path to source (Dijkstra). </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a2ae81d9fe0ef6bb91c1bccd02f0492f7">visualize\_isochrone\_from\_source</a>.
          </li>
        </ul>

        <p>The default value is an empty map. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l01321">1321</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
      </div>
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    <h2 className="memtitle"><span className="permalink"><a href="#af3775ddca97781c79d76377b7ff1335b">◆ </a></span>restrictions</h2>

    <div className="memitem">
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            <td className="memname">std::vector\<std::string> gpudb::VisualizeIsochroneRequest::restrictions</td>
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      <div className="memdoc">
        <p>Additional restrictions to apply to the nodes/edges of an existing graph. </p>
        <p>Restrictions must be specified using <a href="/content/graph_solver/network_graph_solver/#identifiers" target="_top">identifiers</a>; identifiers are grouped as <a href="/content/graph_solver/network_graph_solver/#id-combos" target="_top">combinations</a>. Identifiers can be used with existing column names, e.g., 'table.column AS RESTRICTIONS\_EDGE\_ID', or expressions, e.g., 'column/2 AS RESTRICTIONS\_VALUECOMPARED'. If <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">remove\_previous\_restrictions</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, any provided restrictions will replace the existing restrictions. If <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">remove\_previous\_restrictions</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">false</a>, any provided restrictions will be added (in the case of 'RESTRICTIONS\_VALUECOMPARED') to or replaced (in the case of 'RESTRICTIONS\_ONOFFCOMPARED'). The default value is an empty vector. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00852">852</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#afe2715a28ae18e73ce01b2dda1e0f346">◆ </a></span>solveOptions</h2>

    <div className="memitem">
      <div className="memproto">
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            <td className="memname">std::map\<std::string, std::string> gpudb::VisualizeIsochroneRequest::solveOptions</td>
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      <div className="memdoc">
        <p>Solver specific parameters. </p>

        <ul>
          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#a3483d7b72a81b7938aab4c007a729fc4">visualize\_isochrone\_remove\_previous\_restrictions</a>: Ignore the restrictions applied to the graph during the creation stage and only use the restrictions specified in this request if set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>. Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">visualize\_isochrone\_true</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#a1fcf7ebbdee8d71a6ded7d06113c894f">visualize\_isochrone\_false</a>.
          </li>

          <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae6b56cae6b95bd6ec87d53f60be804a7">visualize\_isochrone\_restriction\_threshold\_value</a>: Value-based restriction comparison. Any node or edge with a 'RESTRICTIONS\_VALUECOMPARED' value greater than the <a className="el" href="/content/api/cpp/namespacegpudb#ae6b56cae6b95bd6ec87d53f60be804a7">restriction\_threshold\_value</a> will not be included in the solution. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4dc28af7e326ce19fcf79d375a5fba78">visualize\_isochrone\_uniform\_weights</a>: When specified, assigns the given value to all the edges in the graph. Note that weights provided in <a className="el" href="#ab5c0de935229ea6fdd237c997cb51872">weightsOnEdges</a> will override this value. </li>
        </ul>

        <p>The default value is an empty map. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l01106">1106</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#ab4d5a5da5d2a23f549f37369d138ea3b">◆ </a></span>sourceNode</h2>

    <div className="memitem">
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            <td className="memname">std::string gpudb::VisualizeIsochroneRequest::sourceNode</td>
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      <div className="memdoc">
        <p>Starting vertex on the underlying graph from/to which the isochrones are created. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00808">808</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    </div>

    <h2 className="memtitle"><span className="permalink"><a href="#a6782343e5d7f6cea90609006d89ac02b">◆ </a></span>styleOptions</h2>

    <div className="memitem">
      <div className="memproto">
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            <td className="memname">std::map\<std::string, std::string> gpudb::VisualizeIsochroneRequest::styleOptions</td>
          </tr>
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      <div className="memdoc">
        <p>Various style related options of the isochrone image. </p>

        <ul>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#afba8922f9412e3a149a8bb86dcc6d481">visualize\_isochrone\_line\_size</a>: The width of the contour lines in pixels. The default value is '3'. The minimum allowed value is '0'. The maximum allowed value is '20'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a042e5c8a04147b11daca2bde422a5e79">visualize\_isochrone\_color</a>: Color of generated isolines. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). If alpha is specified and flooded contours are enabled, it will be used for as the transparency of the latter. The default value is 'FF696969'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94e193f2df29c3ddc10e5c867a69885a">visualize\_isochrone\_bg\_color</a>: When <a className="el" href="#abcf183f96bda47319a1f5658446c8de8">generateImage</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, background color of the generated image. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). The default value is '00000000'. </li>
          <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0505bf03c94c5e3a95c5a842362823f4">visualize\_isochrone\_text\_color</a>: When <a className="el" href="/content/api/cpp/namespacegpudb#a1be64b641b1965cec3851e603c405969">add\_labels</a> is set to <a className="el" href="/content/api/cpp/namespacegpudb#ac9afd2ad462e144ada1a2bcde60ef0a0">true</a>, color for the labels. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). The default value is 'FF000000'. </li>

          <li>
            <a className="el" href="/content/api/cpp/namespacegpudb#acf0c726aff9c173eedc89f3ac923802b">visualize\_isochrone\_colormap</a>: Colormap for contours or fill-in regions when applicable. All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value). Supported values:

            <ul>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#af450f9ad252f5818f3faab770ec106fc">visualize\_isochrone\_jet</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a99518c55542c8d9c2767485ee06a457e">visualize\_isochrone\_accent</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa2bc2c4a241eafb02a58ce6b0b56c4b6">visualize\_isochrone\_afmhot</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aea824d5c0e7efbfb4e8badf5afd6df8c">visualize\_isochrone\_autumn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae8afd1b8d033702e462f57a415eb449d">visualize\_isochrone\_binary</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#afdbbfb51f966dc6f769731497c29e2b0">visualize\_isochrone\_blues</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab929fe079d960a14c0b3fb037acc6bfb">visualize\_isochrone\_bone</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a67784484d92e5c101aa96fe7d831bc2e">visualize\_isochrone\_brbg</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9cdde45604c3a17d813a4c40e6eec83e">visualize\_isochrone\_brg</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4c90d1708113a08a2df0028964c2861f">visualize\_isochrone\_bugn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#adb23b122f5823bf26e89ae8156216c9a">visualize\_isochrone\_bupu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a464e29d8288c820afac375f3676ea89a">visualize\_isochrone\_bwr</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab017001b7a6025c13ffbbb55cef91fdf">visualize\_isochrone\_cmrmap</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa723a1e350313a41a7760797e7167e72">visualize\_isochrone\_cool</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a67a269abcb2bc611bd7ded0ddc8b28f8">visualize\_isochrone\_coolwarm</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad7af98a1fbdb1741c79f77a8653a2d0e">visualize\_isochrone\_copper</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a25f592f808668f9ed3a74ee635f8ba47">visualize\_isochrone\_cubehelix</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a51304143d51c801aad399c2b51f3d148">visualize\_isochrone\_dark2</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a90f563854f7619f4208227c0de8ab16c">visualize\_isochrone\_flag</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5b68ce98315d306c7e10c8d1d32ee1f7">visualize\_isochrone\_gist\_earth</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a53ca6af17e479f0ed3f809f88ad358ca">visualize\_isochrone\_gist\_gray</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1d2352415c00c99b51b4b33c74dd6482">visualize\_isochrone\_gist\_heat</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a95618e1f50e078e0a1f2b33bfdf0bdd9">visualize\_isochrone\_gist\_ncar</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1f12588665bf696bd13997d197daaabf">visualize\_isochrone\_gist\_rainbow</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a3886364f91d3f47416959ac7dac6b10f">visualize\_isochrone\_gist\_stern</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2210090347a492bc575b4e130d5afeb9">visualize\_isochrone\_gist\_yarg</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aab9e1d08cf585fd4925955ec01654824">visualize\_isochrone\_gnbu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a214f24bbd99cee8f1e96d4f11ec30d2d">visualize\_isochrone\_gnuplot2</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9f0c58fb21b526597cd0ea59fe70c32c">visualize\_isochrone\_gnuplot</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a66d3659d233c817b9f3d25a52b17a97b">visualize\_isochrone\_gray</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a71ff947e932fb62351b82b49f286660a">visualize\_isochrone\_greens</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a898a92b52338668859c8fff5acedbeec">visualize\_isochrone\_greys</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a808427b57ae3eb05ae99d95ec09ad78f">visualize\_isochrone\_hot</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4454d6455eb3661f1ff136f2b260ecf5">visualize\_isochrone\_hsv</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aac7ad6ae51438533e09823c5dc15181e">visualize\_isochrone\_inferno</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a35658ca974a14109c0b6d3aa12e5d070">visualize\_isochrone\_magma</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a36a9b3d763bac0f0bac6e59ffcedc190">visualize\_isochrone\_nipy\_spectral</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa83517de13641533a92d22c2312a7540">visualize\_isochrone\_ocean</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a64bd356e937a3727080c1833ce2d0147">visualize\_isochrone\_oranges</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6f7f4d05c464b7313069055705766170">visualize\_isochrone\_orrd</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a9ed6b15c10668d65a60119199c8ad50c">visualize\_isochrone\_paired</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a6a04a95b1913d754efb1da9abf977e09">visualize\_isochrone\_pastel1</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a2d69995d60aae35a6b3aeefe628b4e59">visualize\_isochrone\_pastel2</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a92c8e683641cfa9edb2871af88a1915c">visualize\_isochrone\_pink</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a5f041ef70452316bdd14ec7cc1cb631e">visualize\_isochrone\_piyg</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a450f314335de50e1f5d62e7e56d351de">visualize\_isochrone\_plasma</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac3b93d7d122559918f0263e0520c3d33">visualize\_isochrone\_prgn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#afaf940acc2f967a60a07cc0d7a171fda">visualize\_isochrone\_prism</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#af80e969b7dbfb2b8067d91a5fce7f693">visualize\_isochrone\_pubu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94b1903be04e04b173df4d8c6b57735f">visualize\_isochrone\_pubugn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab9760130bbd7458b5194ad7af2cb4ed9">visualize\_isochrone\_puor</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac91c64dd0cb58aa121680d88a647d66a">visualize\_isochrone\_purd</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aef3a2cf6da1de27c1a8a589a818fedc0">visualize\_isochrone\_purples</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a04effe6bdfa8136ca474659ae5d023e0">visualize\_isochrone\_rainbow</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a98efa0fc0f0f485205388ea6bdf61e5e">visualize\_isochrone\_rdbu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a734b3e30ce17b06252bb88b5fd225c04">visualize\_isochrone\_rdgy</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a40bb979922dbce13438862de1c20ea6f">visualize\_isochrone\_rdpu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a0fd88b59fa60690529b8fb71cb4b46f8">visualize\_isochrone\_rdylbu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ab228af3a08797803fae534c862bebf1f">visualize\_isochrone\_rdylgn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ad9e50d3187e16ab49f7f21eec64fa3a8">visualize\_isochrone\_reds</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a93886894e86282a3cf7c75e8c53c39ae">visualize\_isochrone\_seismic</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aca8e6ad12ed9920ac31c535d778a934f">visualize\_isochrone\_set1</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a94d1a397d69c60ef9f025f74e32e788d">visualize\_isochrone\_set2</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a141f8cc236e2d71da4d50c7c0568a466">visualize\_isochrone\_set3</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ae2f82a5f727664a81821e2c9daaa2e00">visualize\_isochrone\_spectral</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa275df8af449954767204c293922fca0">visualize\_isochrone\_spring</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a46ef253b3a6cb1aec8c599cc583be9e5">visualize\_isochrone\_summer</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a77ca451bc67ea20f28b4e4489f1e008d">visualize\_isochrone\_terrain</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#af619e26140518cbf50ad3a20dea200b7">visualize\_isochrone\_viridis</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#afd2eb18c9fab60db99bab8fe1f7cab43">visualize\_isochrone\_winter</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a4d9fd202f936b9601aaac5c313e9258f">visualize\_isochrone\_wistia</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a1cd296889da7b5a34b81f8a723cec611">visualize\_isochrone\_ylgn</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#a517e8f3064cdc1ca71e0e38de8bd4ea4">visualize\_isochrone\_ylgnbu</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#ac461d6a9eb1a40c0f739e7aad43f2bc2">visualize\_isochrone\_ylorbr</a> </li>
              <li> <a className="el" href="/content/api/cpp/namespacegpudb#aa7a2140c4798cc9b8f244868417f85e7">visualize\_isochrone\_ylorrd</a> </li>
            </ul>

            The default value is <a className="el" href="/content/api/cpp/namespacegpudb#af450f9ad252f5818f3faab770ec106fc">visualize\_isochrone\_jet</a>.
          </li>
        </ul>

        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l01071">1071</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    <h2 className="memtitle"><span className="permalink"><a href="#ab5c0de935229ea6fdd237c997cb51872">◆ </a></span>weightsOnEdges</h2>

    <div className="memitem">
      <div className="memproto">
        <table className="memname">
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            <td className="memname">std::vector\<std::string> gpudb::VisualizeIsochroneRequest::weightsOnEdges</td>
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      <div className="memdoc">
        <p>Additional weights to apply to the edges of an existing graph. </p>
        <p>Weights must be specified using <a href="/content/graph_solver/network_graph_solver/#identifiers" target="_top">identifiers</a>; identifiers are grouped as <a href="/content/graph_solver/network_graph_solver/#id-combos" target="_top">combinations</a>. Identifiers can be used with existing column names, e.g., 'table.column AS WEIGHTS\_EDGE\_ID', or expressions, e.g., 'ST\_LENGTH(wkt) AS WEIGHTS\_VALUESPECIFIED'. Any provided weights will be added (in the case of 'WEIGHTS\_VALUESPECIFIED') to or multiplied with (in the case of 'WEIGHTS\_FACTORSPECIFIED') the existing weight(s). The default value is an empty vector. </p>
        <p className="definition">Definition at line <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source#l00830">830</a> of file <a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a>.</p>
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    </div>

    <hr />

    The documentation for this struct was generated from the following file:

    <ul>
      <li>gpudb/protocol/<a className="el" href="/content/api/cpp/visualize__isochrone_8h_source">visualize\_isochrone.h</a></li>
    </ul>
  </div>
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