Autotek autocad raster design 2010 用户手册

1 Click and drag the cursor slowly in the desired direction.

2 Hold down the Shift key.

The line continues horizontal, vertical, or at a 45-degree angle, whichever
is closest to the direction of cursor movement. If the direction is not what

you intended, click 

 (Undo) and start again.

1 Draw a short first segment freehand, then release the mouse button.

This establishes a known endpoint from which to start the series.

2 Hold down the Shift key, move the cursor to the next desired vertex,

then click.

A straight line is drawn between the two points.

3 If you want to add more lines to the series, repeat step 2 for each one.

Menu

Image  ➤  Cleanup  ➤  Touchup

Raster Design Toolbar

Command Line

itouchup

Use Image Processing tools to adjust the appearance of an image.

These tools filter the image, resulting in permanent changes to the image
pixels.

■

Histogram. Adjust the tone of an image in many ways, including conversion
of color images to grayscale and color or grayscale images to bitonal.

Image Processing | 91