Autotek autocad raster design 2010 Benutzerhandbuch

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Command Line
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Removing (Rubbing) Images
You can rub raster data within an image or across multiple images.
Only the images that are within or partly within the selected entity or area
affected.
Rubs use the current transparency color. For example, if the color for
transparency is blue, then the rub is drawn in blue. If you later change the
transparency color, the color of the rubbed area remains blue, but subsequent
rubs are drawn in the new color. For more information, see, 
 (page 62).
You can also remove raster entities (lines, arcs, and circles) by using REM delete
commands or by using existing vector geometry. For more information, see
 (page 156).
NOTE Rubs permanently change the raster data in the image; they do not
temporarily remove raster data from the display. To reverse a rub, use the AutoCAD
UNDO command.
Rubbing a Raster Line
You can remove a raster line by picking a point on each end of the raster line.
You must set an appropriate line width. For more information, see 
 (page 266).
NOTE Unlike previous versions of Raster Design, rubs permanently change the
raster data after you have saved the image. They do not temporarily remove raster
data from the display. To reverse a rub, use the AutoCAD UNDO command.
To rub a raster line
Set an appropriate line width for the rub.
Click Image menu  ➤  Remove  ➤  Line.
Select the first point on the raster line you want to remove.
Select the second point on the raster line to remove the line.
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