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Anyone get as frustrated as me when trying to create sub criteria for material calcs? I've watched Jeff Bartels video but still am having difficulty Calculating Complex Material Volumes using Subcriteria in Civil 3D (youtube.com). My issue is the same as what happens at around 4:40 and afterwards in the video and I just can't get the areas to work properly
What should have taken half and hour has taken all morning so far with no sign of a resolution - I'll have to fall back on to standard surface volumes
neilyj (No connection with Autodesk other than using the products in the real world)
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AEC Collection 2025 UKIE (mainly Civil 3D UKIE and IW)
Win 11 Pro x64, 1Tb Primary SSD, 1Tb Secondary SSD
64Gb RAM Intel(R) Xeon(R) W-11855M CPU @ 3.2GHz
NVIDIA RTX A5000 16Gb, Dual 27" Monitor, Dell Inspiron 7760
Hi @neilyj666, when I have problems with subcriteria, I always go back to this explanation in the Autodesk Help Documentation. I think it is pretty clear. It lets us know what is or is not possible. Here, I post the link:
About Calculating Volumes for Overlapping Materials or Overhangs
I hope this helps, best regards!
Camilo Fernández
Civil engineer | Specialist in design, construction, and maintenance of roadways
I think it may have been drawing related with the xref I was using for the sampling - started from scratch again and it seems to be behaving now.
neilyj (No connection with Autodesk other than using the products in the real world)
Did you find this post helpful? Feel free to Like this post.
Did your question get successfully answered? Then click on the ACCEPT SOLUTION button.
AEC Collection 2025 UKIE (mainly Civil 3D UKIE and IW)
Win 11 Pro x64, 1Tb Primary SSD, 1Tb Secondary SSD
64Gb RAM Intel(R) Xeon(R) W-11855M CPU @ 3.2GHz
NVIDIA RTX A5000 16Gb, Dual 27" Monitor, Dell Inspiron 7760
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