GM_SpatialConcaveHull

Create a concave hull around each feature or collection of features

Syntax

C++
Copy 
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SpatialConcaveHull
(
    GM_LayerHandle_t32      aLayer,     // IN: Input layer
    GM_SpatialOps_Params_t* aParams,    // IN: Parameters
    double                  aSmoothing, // IN: smoothing value (1 - 10000)
    GM_FeatureGrouping_t8   aGrouping,  // IN: Grouping type
    const char*             aStr        // IN: the attribute list string; may be NULL
)