Global Mapper SDK
Create a circle around each feature or collection of features. The aDistance parameter is the radius in the given units. If aDistance is 0, then the radius will be determined by the furthest point on the geometry collection
Syntax
C++
Copy
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SpatialCircle
(
GM_LayerHandle_t32 aLayer, // IN: Input layer
GM_SpatialOps_Params_t* aParams, // IN: Parameters
GM_Distance_t aDistance, // IN: Buffer width
GM_FeatureGrouping_t8 aGrouping, // IN: Grouping type
const char* aStr // IN: the attribute list string; may be NULL
)