Autodesk 05726-091452-9060 User Guide - Page 39
Selection grouping, Crop rasters, Purge rasters, Save parameters to document, Raster Duplication
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WiseImage- User's Guide Selection grouping If On, then the selection operation result consisting of more than one item is united in an AutoCAD group. Crop rasters If On, then the copied raster is automatically cropped and the blank margins are removed. Purge rasters After you remove an image using the AutoCAD ERASE command, the link on the removed image remains in the Image Manager. If this checkbox is On, then the raster image with zero instances inserted is purged when saving the AutoCAD image. If Off, then the raster image is preserved regardless of the number of instances. Save parameters to document Controls saving tools and operation current settings in saved document. The new opening of document restores these settings. Raster Duplication This subsection defines the operations on raster images and their instances when running copy creation commands in AutoCAD with WiseImage. In AutoCAD, raster images are arranged by the reference principle. An image insertion does not contain any raster data, but it makes reference to the raster storage - memory or drive space, where raster data is located. If you copy a raster image with the AutoCAD tools, then a new object - raster image insertion - is created, and the raster storage remains common for all copies of the same image. Using the WiseImage tools you can modify raster images. If several images refer to the same raster storage, then the alteration of one of them causes the alteration of the rest, which is not always convenient. WiseImage can modify the copy creation mode to ensure a new raster retain is created any time a raster image copy is created. In this case all copies made are independent. This image-copying mode is called Separate for each copy. AutoCAD uses the ARRAY command which lets you create several raster image copies at once. If you use the Separate for each copy mode, then many of the same independent raster image copies (clones) are created, which can slow down the system performance. When the command is running, you should use a special copying mode, where only one additional raster storage copy is created, to which all raster image insertion copies make reference. Raster storage of the original image is also left alone. This copying mode is called One shared for all copies. A raster selection set is also a raster image (or a raster image group). You can also copy it using standard AutoCAD tools. 38