Download Global Mapper - User's Manual

Global Mapper - User's Manual
• Custom Color: Specifies that all portions of the terrain with a slope between the Minimum Slope
Value and the Maximum Slope Value will be colored with a single color that can be modified with the
Select... button.
HSV Shader
• Low Color Start (Advanced): Sets where in the HSV color range the lowest elevation will be.
• Value (Advanced): Modifies the HSV value parameter.
• Saturation (Advanced): Modifies the HSV saturation parameter.
• Range: Modifies how much of the full HSV range is to be used. Increasing this value leads to color
wraparound.
Custom Shaders
The Custom Shaders section allows the user to manage any custom shaders that they may have. Custom
shaders allow the user to control exactly how elevation data is rendered so that the desired result can be
obtained.
Pressing the New... button displays the Custom Shader dialog (pictured below) which allows the user to create
a new custom shader. Pressing the Edit button display the same dialog, allowing the user to edit the currently
selected custom shader. The Delete button removes the currently selected custom shader.
The Custom Shader dialog allows the user to specify how they want elevation data to be rendered. The Name
field provides a place to enter the name to associate with the shader to allow the user to select it. The
Elevation Colors section display the elevations and their color values associated with the custom shader.
Pressing the Change Color and Change Elevation buttons allow the user to change the values associated with
the current elevation selected in the Elevation Colors list. The Delete Elevation button allows the user to
delete the currently selected elevation. New elevations can be added by entering the elevation (in the currently
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