SpatialIntersection

globalmapper.SpatialIntersection(GM_LayerHandle_t32 aLayer1, GM_LayerHandle_t32 aLayer2, GM_SpatialOps_Params_t aParams) → GM_Error_t32[source]

The Intersection operation creates a new layer consisting of just the overlapping regions (parts of the original features) in the two input layers, layer 1 and layer 2. New features receive attributes from both layers.

Parameters:

  • aLayer1 (GM_LayerHandle_t32) – First layer in operation

  • aLayer2 (GM_LayerHandle_t32) – Second layer in operation

  • aParams (GM_SpatialOps_Params_t) – Parameters

Returns:

Error Code

Return type:

GM_Error_t32


BEFORE

AFTER
../_images/Red_Blue_Circles.png ../_images/IntersectionAfter.png

Example

The following is an example of SpatialIntersection.

spatial_params = gm.GM_SpatialOps_Params_t()
spatial_params.mResultLayerName = "Intersection_Result"
err_SpatialIntersection = gm.SpatialIntersection(
    layers_list[0], layers_list[1], spatial_params
)