Is there a way to create a line string of the different cut and fill areas using the Cut fill map surface without having to trace it?
We have a TML that finds the Cut Fill line between two surfaces - it is called Surface Intersection Linestring - it takes the Cut Fill Map, finds / creates the 0 contour and then drapes it on the two surfaces to create a 3D line that is where the two surfaces intersect.
In an ideal world your Existing Surface would be larger everywhere than the Design Surface and in an ideal world the Design Surface would tie perfectly everywhere with the existing (around its perimeter, and in an ideal world the Cuts and Fills would all be large discrete areas of Cut or Fill.
In the real world however most of those are not true, so you get many pockets of Cut or Fill - some are tiny amounts of Cut or Fill that can be basically ignored (from the mass earthworks perspective), but the current implementation will find the absolute 0 contour even t if surrounds 1 FT3 Cut or Fill area, and if the two surfaces do not tie or if the OG is smaller than the Design surface then you will get a zero contour that hits the edge of the Cut Fill Map that does not loop around to create a closed area
But the command certainly helps and does it in many fewer steps. I do want to add a tolerance into it so you could ignore contours that are surrounding areas of Cut or Fill smaller than a certain Area or Volume, so that you do get closer to the Bulk Cut or Fill Areas of a Project. Would be interested to hear which would be more important - small areas or small volumes or both and also what area or volume would be significant vs insignificant on a project (This is the volume that would get resolved with an "in zone" earth movement rather than a mass haul movement etc.)
Let me know what you think
You can use the Contour at Elevation Command to create a 0 Elevation Contour on the Cut Fill Map Isopach Surface, Explode it using the Explode command and then drape it on the Original or Design Surface using Change Elevation Command to get it in 3D.
That also works to delineate the Cut / Fill Areas
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