- globalmapper.CalcViewShed(GM_LayerHandle_t32 aLayer, GM_ViewShedParams_t aViewShedParms) GM_Error_t32, GM_LayerHandle_t32
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Performs a view-shed analysis on loaded elevation data and creates a new Viewshed layer with the results. The returned layer handle must be closed with CloseLayer when you are done with it.
- Parameters:
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aLayer (GM_LayerHandle_t32) – Layer to get elevations from or gm.NULL for topmost layer at each point
aViewshedParms (GM_ViewShedParams_t) – Parameters for creating Viewshed
- Returns:
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Error Code
- Return type:
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GM_Error_t32
- Returns:
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Created Viewshed layer
- Return type:
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GM_LayerHandle_t32
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Example
The following is an example of CalcViewShed.:
gm.CalcViewShed(layers_list[0], viewshed_opts)
For more context refer to the surface analysis sample scripts.