Autotek autocad raster design 2010 用户手册
If the image is of single-band integer or multiband multispectral format, you
see a submenu with two or three color band types to choose from. As shown
in the following table, some of these choices invoke another dialog box where
you configure the color map to your needs.
see a submenu with two or three color band types to choose from. As shown
in the following table, some of these choices invoke another dialog box where
you configure the color map to your needs.
Dialog Box
Color Map Type
Image Data Type
345)
Palette color
Single-band integer
(page 301)
Grayscale
Multiband Multispectral
(page 344)
Palette color
301)
False color
The new insertion is added to the drawing.
Displaying Point Data
Interactively display the cursor location and data about the image pixel at
that location.
that location.
(page 350)dialog box always tracks the cursor location
and displays the color values of the image pixel at that location. Other data
values associated with the pixel are displayed, subject to image type.
values associated with the pixel are displayed, subject to image type.
For example, if the image is displayed from a digital elevation model (DEM)
with a color map that interprets elevation values, the elevation of the pixel
at the cursor location is displayed. If Raster Design is running on Autodesk
Map, the working coordinate system is also displayed.
with a color map that interprets elevation values, the elevation of the pixel
at the cursor location is displayed. If Raster Design is running on Autodesk
Map, the working coordinate system is also displayed.
To query pixel data in an image
1 Click Image menu ➤ Raster Data Query. The Raster Data Query dialog
box is displayed.
2 Optionally, resize the dialog box or dock it in the left pane.
Displaying Point Data | 71