According to my test (image below) overlapping toposurfaces are shown in the order they were created, from last to first (red, then green, then blue). Is there a way to change this order so that I can more easily represent geological strata? In this case would be bringing green in front of blue. Or I would always have to create them in the correct order?
Topography order in section
Accepted solution
No direct solution. However, instead of recreating them, You can select then cut the blue and paste in same place then the red and paste in same place.
The older one will always be in front.
Mostafa Elashmawy
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The only reason would be the final representation because each newer toposurface conceals the previous ones. For example, for what I understand, in order to achieve the example in the image below one would have to create four toposurfaces, each with the correct elevations, and then override the graphical representation of each layer. But each lower toposurface must be created after the upper ones, otherwise it will be concealed by them.
@MostafaElashmawy's solution is a workaround for changing the order, loosing only the graphical overrides.
Graded regions would be needed only for excavation. You said that volumes determined by Revit aren't really accurate, but according to the link bellow, and for my modest experience, the accuracy is +/- 1% to 2%, which generally is an acceptable error.
Here's an example where I successfully got volumes for two separate phases of excavation (one for platforming and one for foundations) and a third for infill:
About Dynamo, I still haven't used it. Those tools for generating the 3D elements and for calculating excavation volumes are publically available or were custom made by you?
