Plotting to Raster Files Performance Improvement Hotfix

This hotfix speeds up the plotting to raster file formats, especially bitonal CALS or TIFF files.

Description of Problem

Plotting drawings to most raster file formats is slower in AutoCAD® 2007-based products when compared to previous versions of the same applications. This is most evident when plotting to bitonal CALS or TIFF files.

Affected Products


(1) Apply this patch only if the installation includes AutoCAD Mechanical 2007 or Autodesk Mechanical Desktop 2007.
(2) Apply this patch only if the installation includes AutoCAD 2007.

Installation Instructions

To install the Plotting to Raster Files Performance Improvement Hotfix

You must have administrative privileges on your Microsoft® Windows® operating system to complete the installation process.


Note: This hotfix should only be applied after installing AutoCAD® 2007 Service Pack 1 or corresponding service packs for other affected products.
  1. Close all software applications.
  2. Find the product installation folder; for example c:\Program Files\AutoCAD 2007.
  3. In this folder, right-click the AdImaging.dll file and select Properties.
  4. Click the Version tab and confirm the file version.
  5. Rename the affected files.
  6. Download and copy the affected files.
  7. Verify the versions of the affected files.

Note: To remove this hotfix, delete the new AdImaging.dll and raster9.hdi files that you downloaded to the product install and DRV folders and restore the files you renamed in Step 5 to the original names.