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  • For internal use only. Generates rasterized heatmap image tiles for an area of interest using the given tables and the provided parameters.

    All color values must be in the format RRGGBB or AARRGGBB (to specify the alpha value).

    The heatmap image is contained in the image_data field.

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    Parameters

    • table_names: string[]

      Name of the table containing the data for the various layers to be rendered.

    • x_column_name: string

      Name of the column containing the x coordinates.

    • y_column_name: string

      Name of the column containing the y coordinates.

    • value_column_name: string
    • geometry_column_name: string

      Name of the column containing geometry data.

    • min_x: number

      Lower bound for the x values.

    • max_x: number

      Upper bound for the x values.

    • min_y: number

      Lower bound for the y values.

    • max_y: number

      Upper bound for the y values.

    • width: number

      Width of the generated image.

    • height: number

      Height of the generated image.

    • projection: string | undefined

      Spatial Reference System (i.e. EPSG Code).

    • style_options: Record<string, string>

      Various style related options.

    • Optionaloptions: Record<string, string>

      Optional parameters.

    • Optionalcallback: GPUdbCallback

      Optional callback function

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    Returns Promise<VisualizeImageHeatmapResponse>

    Promise<Types.VisualizeImageHeatmapResponse> - Promise resolving to the response