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When I export from my Civil3D drawing to a HEC-RAS .geo file, the export is sampling spot elevations along the sample line to the nearest thousandths place. The survey information used is aerial Lidar accurate to approximately two feet. I would like the elevation data to reflect the true accuracy of the survey and limit it to only showing elevations in the cross sections where it is an even elevation (341.00, 342.00, etc.). Anyone run across this and know how or if I can do it? Thanks.
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