Display Options/Drawing Functions

GM_AddCustomShader - Add New Custom Elevation or Slope Shader

GM_CropLayerCollar - (DEPRECATED) Crop the Collar off of a DRG or DOQQ Layer

GM_DrawGridLines - Draw Grid Lines to a Device Context

GM_DrawGridLinesEx - Draw Grid Lines to a Device Context Clamped to a Given Rectangle

GM_DrawLayer - Draw One or All Layers to a Device Context

GM_DrawLayerList - Draw One or More Layers to a Device Context

GM_DrawLayerListEx - Draw One or More Layers to a Device Context

GM_DrawLayerListToMemory - Draw One or More Layers to a Memory Buffer

GM_DrawPackageList - Draw One or More Packages to a Device Context

GM_GetBackgroundColor - Gets the Draw Background Color

GM_GetElevationOverrides - Retrieve Elevation Adjustments for Layer

GM_GetElevationShaders - Returns a list of the available elevation shaders

GM_GetLastDrawnScale - Returns the Scale Data was Last Drawn At

GM_GetLastDrawnMapBounds - Gets the most recently drawn map bounds (only supported in Global Mapper Extension SDK)

GM_GetLastDrawnMapBoundsEx - Gets the most recently drawn map bounds, including rotation (only supported in Global Mapper Extension SDK)

GM_GetOnlineLayerZoomScale - Determines the Zoom Scale That a Tiled Online Layer Will Be Accessed at for Draw/Export

GM_GetOrientation - Gets the Rotation Angle for the Map Display

GM_GetRasterDisplayOptions - Retrieves the Display Options for a Given Raster or Elevation Layer

GM_GetShaderDisplayOptions - Retrieves the Options to use for the Elevation Shaders

GM_GetVerticalDisplayOptions - Retrieve the Current Vertical Display Options

GM_RecenterMapDisplay - Centers the map display at the specified point

GM_RedrawMapDisplay - Draws the map display using the specified data bounds

GM_RefreshMapDisplay - Redraws the map display

GM_RemoveCustomShader - Remove a Custom Shader

GM_SetBackgroundColor - Sets the Draw Background Color

GM_SetElevationOverrides - Set Elevation Adjustments for Layer

GM_SetLayerEnabled - Controls Whether or Not a Layer is Displayable

GM_SetLayerPalette - Updates the Palette for a Palette-Based Image Layer

GM_SetOrientation - Sets the Rotation Angle for the Map Display

GM_SetRasterDisplayOptions - Sets the Display Options for a Given Raster or Elevation Layer

GM_SetShaderDisplayOptions - Sets the Options to use for the Elevation Shaders

GM_SetVectorDrawScale - Specify Extra Scaling Factor for Line Widths and Point Symbols

GM_SetVerticalDisplayOptions - Sets the Vertical Display Options

GM_ShowLayerOptionsDialog - Show Display Options Dialog for Layer