Forums >> Revit Structure >> Technical Support >> Definition Between Existing & New Topo Surfaces

GHAFred

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Joined: Thu, Apr 19, 2012
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Hello

I have an existing topo surface and a proposed topo surface, the proposed has building pads cut outs in it and I have redistributed the cut as fill in several areas.

I am having quite a bit of trouble defining on plan or 3D view where the redistributed fill is and it's extent.  I can see the difference in secion view but can't seem to define that line or extent of surface via a surface pattern.

I have tried defining different overides in graphics and phases.

Any help please

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teafoe5

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Did you try using a different material, fill and/or surface pattern?

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GHAFred

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Yes, I've tried using different materials, that helps a little but still doesn't give a defined line between the 2 surfaces, Revit will not let you assign a surface patern to a topo surface which is the real stumbling block.

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GHAFred

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Yes, I've tried using different materials, that helps a little but still doesn't give a defined line between the 2 surfaces, Revit will not let you assign a surface patern to a topo surface which is the real stumbling block.

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Polar

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Joined: Sat, Dec 6, 2008
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I may not have understood all of the steps you have taken and the things you have tried, but I looked at a way to show contrasting regions of topography in a single phase (no existing vs. new).

If you  use a subregion, a visible line marks the transition from the main topo surface and the subregion you have defined. The line shows up in plan and 3D views. I think the attached image shows may show some of what you were hoping to accomplish - as a manual work around.

It would be a manual work around.... defining a subregion just beyond the perimeter of your new topo surfaces and then assigning the same material to your subregion as your new topo surface....

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