From the Ground Up

A European perspective on design and out of the box thinking with Civil 3D.

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posted 02/01/08 by Ove Cervin User Contours
Hello again,
Now back again from the Gunslinger Jack mentioned. That WAS an exiting week. I'm REALLY looking forward to all new things coming up... ;-)
I'm also looking forward to the Easter Holiday as I am a big fan of skiing downhill. I will go to my brothers place in Zermatt in Switzerland.
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Anyway - here's a tip on something I didn't find myself. There's always tools and settings in C3D which is a little more hidden than others... A colleague mentioned where to find this. Thanks Peter Funk ;-)
If you have a Volume Surface (or general Surface as well) where you want to present custom/user defined contours to use for area calculations etc, here's a way to do that.

In this case the customer wanted to calculate the area for some volumes within a range.
Sample below shows a Volume TIN Surface.
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As you can see this is presented with a Surface Style for Color analysis with a range.
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To show also the contours for the very same range/interval you can do like this.
Go to the Surface Style for this Surface and turn on "User Contours" under the Tab "Display".
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Then go to the Surface Properties and the Tab "Analysis".
Choose Analysis type "Elevations" - set color range.
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Then select the Analysis type "User-defined contours" and set the interval where you want the contours to display.
Set range/interval
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This will present your Volume Surface with also a Contour between the color ranges in the analysis.
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Then you can use (Surface menu - Utilities), Extract Objects from Surface.
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All Contours are now available for area calculation.
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Have a nice weekend!

Cheers / Ove Cervin

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