GM_SpatialBuffer

Marius Lazar

September 02, 2026 13:43 Updated

Global Mapper SDK

Create a buffer polygon around each feature or collection of features

Syntax

C++

GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_SpatialBuffer
(
    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
    bool                    aDissolveResults // IN: apply Dissolve operation to results if true
)