Download Global Mapper - User`s Manual

Global Mapper - User's Manual
The Shader selection box allows for the selection of the algorithm used to color and shade any loaded elevation data. T
shading algorithms are available:
• The Atlas Shader is the default shader. It generally provides good results for any loaded elevation data.
• The Color Ramp Shader displays ramps color from blue for low elevations to red for the highest elevations by
• The Daylight Shader colors all elevations the same and is only useful when hill shading is turned on.
• The Global Shader is designed for shading elevation data sets covering large areas of the earth such as Terrain
GTOPO30. The results are quite stunning for data sets such as these.
• The Gradient Shader moderates the color with elevation between the low elevation and the high elevation. Th
ramped between can be selected on the Shader Options panel.
• The HSV Shader maps the elevations onto the HSV (hue saturation value) color space. The mapping can be co
the Shader Options panel.
• The Slope Shader colors loaded terrain data by the slope of the terrain rather than the absolute elevation. This
you to identify the portions of the terrain that are relatively flat vs those that are relatively steep. The definition
"steep" are user configuration on the Shader Options panel.
• If any custom shaders have been created, they will be available as well.
Use the Enable Hill Shading option to view elevation data as shaded relief. With this option off, the map appears flat, w
distinguished by color only. With it on, shadows are generated using the loaded elevation data along with the remaining
this panel.
The Elevation Display Units option allows you to modify the units that elevations will be displayed in on the status bar
the cursor over loaded elevation data.
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