I have created a mms file using C3D 2015. What do I do with it? How do I get my dwg file to recognize it? If I type mms, pick the file and open it, nothing happens. The surface that I created shows no data and if I draw a polyline across the area where the surface should be and create a temp profile, the profile shows no finished ground elevations. How do I get the surface back into the dwg that created it?
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I'll try and explain it again. I imported contour shp files to make a surface. Surface and dwg file got very large. The dwg was about 198 gig. Saved the dwg. During this process a mms file was created in the same directory as the dwg. I exited the dwg, rebooted my computer and opened the dwg again. The mms file, which is about 500 meg, was still in the same directory as the dwg but there is no surface. It is gone. I am not going to start over again as Civil 3D doesn't seem to handle large files very well. Will probably create it again in GIS software.
Thanks for your input. I appreciate it.
A,
198GB! Day-um! I'd not heard of mms files before, so I went to the Help Section(Jay's link). Help is kinda vague on the subject and offers no information on what to do with the mms file other than keeping it in the same directory, which you're already doing.
When you say the surface is gone, do you mean that the surface is not showing up in the drawing, or that the surface isn't even listed in the Prospector Tab anymore. With a file size that large, even if you're using a beast of a SuperComputer, you might have to wait a long time until it shows up.
Dave
Dave Stoll
Las Vegas, Nevada
neilyj (No connection with Autodesk other than using the products in the real world)
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The surface in the dwg is gone but it does show up in the prospector. I tried to update the surface thinking that maybe it would get the data from the mms file but no luck. I've given up on the project and done it in GIS software. Thanks for your input.
When you say "I exited the dwg," do you mean you Quit the drawing without saving. I could see that causing the situation you're describing. If the drawing was not saved after the .mms file was created. The drawing would not "remember" it should look for the file. I've had .mms files created when using Lidar and never had that problem.
I've read that certain method of importing surfaces from GIS software can lead to very large surfaces. I only work with raw data so I don't have direct experience with that.
Allen
Allen Jessup
CAD Manager - Designer
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John Mayo
John,
Good thought on the Level of Detail.
I have .mms files almost as large as that. Created from LAS files. It does make things run very slowly. I have multiple surfaces with varying dencities so that I don't have to deal with the large ones that often. I use DRefs also.
Allen
Allen Jessup
CAD Manager - Designer
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neilyj (No connection with Autodesk other than using the products in the real world)
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Neil,
"...the contours produced by MAP are a lot more pleasing."
Interesting. I wonder why. The Help Section hints that there are differences between standalone Map and the Map part of C3D, but I've never seen an in-depth listing of the differences. I tried to download Map, just to see what differences there might be, but after several hours of failure after failure, I gave up.
Dave
Dave Stoll
Las Vegas, Nevada
neilyj (No connection with Autodesk other than using the products in the real world)
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I faced the same issue today. a File that could not find the MMS file and there was no way to re-path the mms file back to the surface and the DWG file opened with no error of missing MMS file when you open the file.
My trick to stimulate the DWG file to look for the MMS file:
1- Keep a backup of your MMS files (you will need it)
2- Rename the MMS files related to your DWG file. look for all the MMS files with the same name as your DWG file for my case it was two files.
3- Open your CAD file and now you should see your error(s) message(s)
4- Save the DWG file with MMS files missing.
5-now you probably may miss your re-named MMS files. that's what happened to me. Go to your back up and copy the MMS files to the same folder as your DWG file is saved.
6- Open you DWG File and it should be working this time.
I hope it helps.
Large surface files tend to crash and miss MMS files when several people try to access the XREF specially around deadline times which is super annoying and stressful.