Autotek autocad raster design 2010 用户手册

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OS/Network Locking
Choose this option if you are on a network that supports DOS File Sharing.
This option creates a lock file that is marked as locked by your operating
system or network software. This file denies write access to the image file
until the file is closed. With this method, if a lock file is present and your
system fails, then the lock file is released by the network when you restart
your computer.
Lock File Directory
Specifies a directory to store lock files in.
Removal Method
Rub
Rubs the raster objects beneath the vector when you use Remove tools.
REM
Deletes the raster objects beneath the vector when you use Remove tools.
Display Option On Shortcut Menu
Makes the Remove Under Existing feature available from the shortcut menu.
Rub/Crop Line Width
Specifies a line width, in AutoCAD units, to be used for rub lines and crop
lines. Or, you can click Pick and then pick two points on your raster image
to define the line width.
NOTE You can also use the Autorub command to specify the Rub/Crop line
width. For more information, see 
 (page 266).
Thumbnail Options
Instructs Raster Design to create thumbnails of your images when you save
the image. Thumbnails are displayed much more quickly in image previews
than if Raster Design has to read in the entire image file. This option only
works for image formats that support thumbnails, such as TIFF, TARGA,
and FLIC files. For more information, see 
 (page 255).
Image Mask Tab (Raster Design Options Dialog Box)
Use this tab to control the properties for a future mask. This includes enabling
and disabling the mask, determining how the mask affects the images in the
drawing, and defining the mask boundary.
Image Mask Tab (Raster Design Options Dialog Box) | 353