Raster / Vector File Associations in AutoCAD and GTXImage CAD
History: The GTXRaster CAD and Image CAD Series display and edit
scanned raster images in an AutoCAD based vector design environment. It is
often used for hybrid design work using scanned archival paper
drawings. Typically, a vector file is overlayed on top of a scanned
raster file with full editing ability for both raster and vector. This
includes scaling and positioning of any of the file elements. Some
tricks are required to save changes to the hybrid (raster/vector) file
set while preserving the scale and position of the raster file for
reuse when the files are needed in the future.
AutoCAD has taken control of the image files in AutoCAD 14 and later versions. AutoCAD has an image management
function which you may reach by typing the word image at the command line.
An example of the Image Manager is shown below. To keep hybrids under control, map all users network connections the same drive letters. This is important because if users are mapping a drawing file area to different drive letters, then a drawing file saved by one user will contain images that point to a path that is invalid for the other user. The raster file is not found in the path that was defined in the drawing and AutoCAD displays an empty proxy frame instead of the image. The Image Manager will display the original image path.
You can correct an empty proxy object using the 'Image found at' area of the Image Manager. In general, changing the storage path of an image will require a resave of the dwg after the image dialog box features have been made correct. For more information do a search for the word image on the Autodesk web site.
The AutoCAD Image Manager may be accessed by using the "image" command from the command line:
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