GM_SpatialConvexHull

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
)