Autotek autocad raster design 2010 用户手册
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To define a polygonal region object
1 Click Image menu ➤ Raster Entity Manipulation ➤ Create Region ➤
Polygonal.
2 Select points to define the polygon and then press Enter to close it.
Quick Reference
Menu
Image ➤ Raster Entity Manipulation ➤ Create Region ➤ Polygonal
REM Toolbar
Command Line
ispolyreg
Defining a REM Diagonal Region
A diagonal region object includes all of the pixels within the diagonal area
you define.
you define.
The diagonal region is a parallelogram that you define with three points. You
can move the third point to control the final shape of the region.
can move the third point to control the final shape of the region.
Click here to see an illustration of raster data selected within a diagonal region.
Defining a REM Diagonal Region | 171