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Extrude Between and Volume

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02-07-2025 01:23 PM
AdamKelly1
New Contributor

Hi all.

I have produced a multipatch between 2 TIN's using the extrude between tool.

The two TIN's are first the elevation of the ground, then a second one offset by 2 meters. The polygon is the 2D digitization of a sidewalk. My goal is to produce the volume of pedestrian space. Which I have done.

My issue is that the output is not enclosed, which I need it to be for volumetric analysis. When I do use the enclose multipatch tool, it manipulates the precision of the multipatch by using the lowest z value of the shape. (Selected is the original, 2nd picture shows how the enclose between tool messes it up when "enclosing it")

To the best of my knowledge there should be no reason for there to be gaps in the shape I originally produced. Why doesn't the enclose multipatch respect the extents of the shape? Someone please help!

AdamKelly1_0-1738963211504.png

AdamKelly1_1-1738963219927.png

 

 

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