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CAD tip CAD tip # 5989:

Question CAD 
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Q - question

Limiting RAM usage when plotting raster images.

A - answer When plotting drawings with raster images, AutoCAD may consume large amounts or RAM memory.

Since version 2007 you can limit the amount of this consumed memory through the variables RASTERPERCENT and RASTERTHRESHOLD. On the other hand, too low values (settings) of these variables can inadverently block plotting of larger drawings (maps).

The RASTERTHRESHOLD variable (by default: 20MB) controls the threshold of raster memory in megabytes. If the plotted raster image exceeds the limit, the availability of system memory is checked and the plot is aborted if the image is too big for the available memory.

The RASTERPERCENT variable (by default: 20%) sets the maximum percent of the available virtual memory which can be reserved for raster image plotting.

In case of problems you can try to increase the values to 100MB and 90%.

ACAD2009ACAD2008ACAD2007ADT
100% *  CAD 
18.2.2008    8544x  
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See also:
Tip 9895:Missing or distorted parts of the ribbon or QAT panel.
Tip 9829:DrGrid - parametric grid for AutoCAD drawings.
Tip 9763:Lasso - new method for selecting objects in AutoCAD 2015.
Tip 9255:Align image, change width/height independently.
Tip 8782:Optionally select/ignore raster images.


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