Global Mapper SDK
Create a convex hull around each feature or collection of features
Syntax
C++
Copy
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SpatialConvexHull
(
GM_LayerHandle_t32 aLayer, // IN: Input layer
GM_SpatialOps_Params_t* aParams, // IN: Parameters
GM_FeatureGrouping_t8 aGrouping, // IN: Grouping type
const char* aStr // IN: the attribute list string; may be NULL
)