Global Mapper SDK
C# Reference
GlobalMapper
GM_Utility Class
GM_Utility Methods
AddAreaToVectorLayer Method
AddCustomAreaClass Method
AddCustomShader Method
AreColorsEqual Method
CalcAreaElevStats Method
CalcBearing Method
CalcDistance Method
CalcEnclosedArea Method
CalcProjectedLocation Method
CalcScaleRectangle Method
CalcViewShed Method
CalcVolumeAlongLine Method
CalcVolumeOfArea Method
CalcWorldRectSize Method
ConvertCoordGroundToPixel Method
ConvertCoordGroundToPixelDouble Method
ConvertCoordGroundToPixelWithOrientation Method
ConvertCoordGroundToPixelWithOrientationDouble Method
ConvertCoordLayerGroundToPixel Method
ConvertCoordLayerPixelToGround Method
ConvertCoordPixelToGround Method
ConvertCoordPixelToGroundDouble Method
ConvertCoordPixelToGroundWithOrientation Method
ConvertCoordPixelToGroundWithOrientationDouble Method
CreateBufferArea Method
CreateS63UserPermitFile Method
DrawGridLines Method
DrawGridLinesEx Method
GenerateContours Method
GenerateContoursEx Method
GenerateDensityGrid Method
GenerateElevationGrid Method
GenerateRoughnessGrid Method
GenerateWatershed Method
GetBackgroundColor Method
GetElevationOverrides Method
GetElevationShaders Method
GetFilterString Method
GetLastDrawnScale Method
GetLocationColor Method
GetLocationElevation Method
GetMACAddress Method
GetMiscOption Method
GetOnlineLayerZoomScale Method
GetPathProfile Method
GetPathProfileLOS Method
GetPathProfileLOSEx Method
GetRasterDisplayOptions Method
GetSDKBuildDate Method
GetSDKVersion Method
GetShaderDisplayOptions Method
GetVerticalDisplayOptions Method
IsRegistered Method
LoadMapLayoutFile Method
MapCatalogAddFile Method
MapCatalogAddLayer Method
MapCatalogChangeMapOrder Method
MapCatalogCreate Method
MapCatalogDisableMap Method
MapCatalogGetInfo Method
MapCatalogGetMapInfo Method
MapCatalogRemoveMap Method
MapCatalogSave Method
MapCatalogSetDisplayInfo Method
MapCatalogSetMapOption Method
ProjectPoint Method
ProjectPointAtElev Method
ProjectPointFromECEF Method
ProjectPointList Method
ProjectPointToECEF Method
ProjectRectangle Method
RemoveCustomShader Method
RunScript Method
SaveWorkspace Method
SaveWorkspaceEx Method
SelectFile Method
SelectFont Method
SetBackgroundColor Method
SetChildLayerOpCallback Method
SetElevationOverrides Method
SetLicenseKey Method
SetMemoryLimit Method
SetMessageCallback Method
SetMessageCallbackEx Method
SetMiscOption Method
SetMiscOptionEx Method
SetOrientation Method
SetProgressCallback Method
SetQuickPDFUnlockCode Method
SetRasterDisplayOptions Method
SetRegistryKey Method
SetSettingsFilePath Method
SetShaderDisplayOptions Method
SetVectorDrawScale Method
SetVerticalDisplayOptions Method
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GM_UtilityCalcViewShed Method

Performs a view-shed analysis on loaded elevation data (not implemented on WinCE)

Namespace:  GlobalMapper
Assembly:  GlobalMapperWrapperNET (in GlobalMapperWrapperNET.dll) Version: 19.1.0.0 (19.1.0.0)
Syntax
C#
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public static GM_Error_t32 CalcViewShed(
	GM_Layer_t aLayer,
	GM_ViewShedParams_t aViewShedParams,
	out GM_Layer_t aViewShedLayer
)

Parameters

aLayer
Type: GlobalMapperGM_Layer_t
IN: Layer to get elevations from or NULL for topmost layer at each point
aViewShedParams
Type: GlobalMapperGM_ViewShedParams_t
IN: Parameters for creating view shed
aViewShedLayer
Type: GlobalMapperGM_Layer_t
OUT: Created view shed layer

Return Value

Type: GM_Error_t32
A GM Error Code
See Also