Autotek autocad raster design 2010 用户手册
Creating a New Mask
To display and plot a subset of the images in your drawing, you can create a
(page 392).
NOTE When drawing a mask, set the color of the current layer to a color you can
easily distinguish from the AutoCAD background and your images.
easily distinguish from the AutoCAD background and your images.
To create a new mask
1 Click Image menu ➤ Mask ➤ Create.
(page 343) dialog box is displayed.
2 Define the mask properties. For more information, see
(page 139).
3 Click either Rectangular or Polygonal to draw the mask boundary. You
must select at least three points to define a polygonal mask. Once you
have selected all the points, right-click and click Enter on the shortcut
menu.
have selected all the points, right-click and click Enter on the shortcut
menu.
The mask clips the images that are inside the mask boundary. Depending
on the properties you set for the mask, the images that are completely
outside the mask boundary are hidden, unloaded, or unaffected.
on the properties you set for the mask, the images that are completely
outside the mask boundary are hidden, unloaded, or unaffected.
NOTE You can have two enabled masks per drawing: one in model space and
one in paper space. If you create more than one mask in model space or paper
space, then the most recently created mask is enabled, and all other masks in that
space are disabled automatically. For more information, see
one in paper space. If you create more than one mask in model space or paper
space, then the most recently created mask is enabled, and all other masks in that
space are disabled automatically. For more information, see
(page 141).
Quick Reference
Menu
Image ➤ Mask ➤ Create
Raster Design Toolbar
Command Line
imask
Creating a New Mask | 137