Autotek autocad raster design 2010 ユーザーズマニュアル

Raster Design maintains the current base point location for the image unless
you specify a new base point. You can enter a new base point with numeric
values or by clicking the point in the image.

NOTE The ibias command can only operate on a single image at a time.

1 Click Image menu  ➤  Cleanup  ➤  Bias.

2 If you have not already selected an image, select the image you want to

correct, and then press Enter.

NOTE You can select your image or images before you select the Bias
command.

3 Click a point in the drawing to use as a base point, or press Enter to use

the origin as the base point.

4 Enter a calibration distance for the X direction by selecting two points

to represent the distance, or enter the distance in AutoCAD units on the
command line. Then enter a desired distance for the X direction using
one of the two methods, or Press Enter to leave the X direction
unchanged.

5 Enter a calibration distance for the Y direction by selecting two points

to represent the distance, or enter the distance in AutoCAD units on the
command line. Then enter a desired distance for the Y direction using
one of the two methods, or press Enter to leave the Y direction unchanged.

Menu

Image  ➤  Cleanup  ➤  Bias

Raster Design Toolbar

Command Line

ibias

Adjusting the Image Bias | 87