Forums >> Revit Building >> Technical Support >> RENDERING CRASH...NOT ENOUGH SPACE???...HELP PLEASE!!!

BECKS

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Joined: Mon, Jun 30, 2008
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While doing a rendering for a current job; in revit 2009 the rendering gets to about 25% and this messege pops up--

"not enough space on drive C: to create the temporary files that revit needs, it is recommended that you exit revit, either free up space on this drive, or redefine windows user variable tmp to be a folder on another drive with more space, and restart revit again to help provide optimum performance"

the file is 65.1mb and the drive capacity is 74.4gb with 35.9gb free...this error messege is odd to me. i have done much larger renderings with double the m.b on this machine...anybody also had this issue???

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Typhoon

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Joined: Tue, May 22, 2007
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How much RAM do you have? the Specs. of your Machine??? Operating System????

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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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revitgeek89

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Joined: Fri, Mar 4, 2005
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I've had this happen to me before. Your user temp folder might have gotten full over time, so when you did your latest render, it needs more space. I think the temp folder holds other programs temporary files also. 65mb is pretty big for a revit file. When it does a render RAC 2009 temporary stores files in the temp folder that can become quite big. After the render is done, those big files go away. I basically followed what the revit error message said to do.

 Go to control panel/system/advanced/environment variables/ and change the top sections TEMP AND TMP values to go to a separate harddrive that has even more free space. On my computer, I had an extra hard drive that had 300gb of free space. Here's an example of the value change TEMP  F:\TEMP  (TMP   F:\TMP) 300gb of free space is probably overkill, if you have another harddrive connected to your computer with maybe 100gb of free space, that should be good enough. For you, substitute the F: for whatever letter your extra hard drive letter is. After I changed the path of the user temp folder, I had no error message about the disk space.

 What I don't like about RAC 2009, if you try to render at best, it takes so much longer to render even though the quality is better than revit 2008. Having an increased quality setting also increases the temp files of your renders in 2009, so maybe that's why you error out also. Even though I have a good computer with 4gb of ram, I have yet to complete a high quality evening render of an exterior building I designed without it crashing the computer. It has alot of lights, but come on, if you come out with a new version, it should have less problems with rendering, not more.

 Sorry for my rant. hope my suggestion helps. If you don't have an extra hard drive with more free space, try to decrease the quality of your render or image size, and try to delete any files or remove unused programs, to free up space on your computer.

 revitgeek89

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revitgeek89

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Need to correct my post.

 the file value of TMP should be F:\TEMP and not F:\TMP Sorry about that

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WWHub

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Joined: Tue, May 16, 2006
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Just moving your temp file to another drive is not a good solution.  You need to run cc-cleaner or a similar program to clean up your files and release space.  This should be a regular maintenance item.  Frequency is dependent on you but whenever you start having problems, this is a good beginning to find a solution.

In addition, always start a large rendering from the beginning of a session.  When you use Revit and work in various views, not all of your available memory is freed up when you close a view.  This loss accumulates as you work.  Even for none rendering work in Revit, most people will close the program at least once a day to free up this space.

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