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GetAreaFeature

Updated
globalmapper.GetAreaFeature(GM_LayerHandle_t32 aLayer, uint32 aAreaIndex) → GM_AreaFeature_t

Returns the area feature at the given index in the layer. Returns 0 if the layer does not contain an area at the given index or if a registration key was not found and aAreaIndex was greater than GM_MAX_NON_REGISTERED_VECTOR_IDX.

Any features returned from this function must be freed using a call to FreeAreaFeature when you are done accessing the feature.

Parameters:

  • aLayer (GM_LayerHandle_t32) – Layer to get area from

  • aAreaIndex (uint32) – Index of area feature to retrieve

Returns:

The area feature at index aAreaIndex within aLayer

Return type:

GM_AreaFeature_t

For more context refer to the vector query sample scripts.