Autotek autocad raster design 2010 用户手册

Quick Reference

Image ➤ Crop ➤ Circular Region

Raster Design Toolbar

Command Line

icropcirc

Dialog Box

Rectangular Cropping

Remove all the raster data outside a defined rectangular region, which can be
rotated at any angle.

To remove raster data outside a rectangle

1 Click Image menu ➤ Crop ➤ Rectangular Region.

2 Select a point that represents one corner of the rectangular crop region.

A rubber-band line is displayed to help you establish the angle.

3 Pick a point at one corner of the raster data you want to preserve.

4 Pick a third point to define the final size of the rectangular region to

preserve. The image is cropped to this region, and the image frame follows
the edge of the cropped region.

Quick Reference

Image ➤ Crop ➤ Rectangular Region

Raster Design Toolbar

146 | Chapter 6 Modifying Images