Autotek autocad raster design 2010 用户手册

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If you want to manually set the range spreads, click Custom. You can also
start by clicking Parametric to generate an initial set of ranges, then edit
individual range values in the Range Table. When you start editing, the
Value Distribution is reset to Custom.
Palette
The name of the current palette is displayed. An asterisk (*) before the name
indicates that you have edited the palette in the Range Table.
Click Import to import an existing palette.
Click Export to export a palette; this option is available only after you have
finished defining a color map.
Display Enhancements
You can use these effects to change the appearance of the displayed surface.
Select Hillshade if you want to cast light across the surface from the
northwest direction, creating shadows around the hills and valleys.
Set a Vertical Exaggeration level (1 to 99) if you want to make the elevation
changes more extreme and intensify the hillshading.
Select Blend if you want to create a smooth transition between colors in
the display.
Range Table
This table shows the details of color ranges and accepts a wide range of edits
to the number of ranges, range values, colors and visibility.
Index
This column provides a reference number for each color, with 0 for the
lowest value range. An asterisk (*) indicates the highest assigned range and
the place where a new range is added.
Use the Index column to highlight entire rows of the table for editing. By
adding or deleting rows, you can set the number of ranges for the color
map. When one or more rows are selected, you can right-click to insert
rows, combine rows, or change their visibility.
Range Upper Value
This column shows the upper limit of data values for each range. You can
edit the numbers, but they must remain in the correct sequence in relation
to adjacent ranges. You can right-click in this column to delete, cut, copy,
and paste one or more upper range values without affecting the other
columns.
Range Spread
This column shows the size of the range, or the difference between the
range upper value in the current row and the one above. You can right-click
Palette Color Map Definition Dialog Box | 347