Global Mapper SDK
GM_ApplyConvolutionFilter
Extracts some or all of a loaded raster/grid layer to a new layer by applying a resampler or convolution filter.
Syntax
C++
Copy
GM_DLL_EXPORTED GM_Error_t32 __stdcall GM_ApplyConvolutionFilter
(
GM_LayerHandle_t32 aLayer, // IN: Layer to extract and filter from
const GM_ConvolutionLayerSetup_t* aSetup, // IN: Options for operation
GM_LayerHandle_t32* aOutLayer, // OUT: Filled with handle of newly created layer
void* aReserved // IN: Reserved for future use, must be NULL
);