Global Mapper SDK
The Crosses operation creates a new layer with all area features in aLayer1 that overlap with line features in aLayer2.
Note that as opposed to SpatialOverlaps this is an operation between lines and area features. Passing in two layers of area features will return nothing.
Syntax
C++
Copy
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SpatialCrosses
(
GM_LayerHandle_t32 aLayer1, // First layer in predicate
GM_LayerHandle_t32 aLayer2, // Second layer in predicate
GM_SpatialOps_Params_t* aParams
)