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HEC-GeoRAS: Convert XS 2D to 3D

HEC-GeoRAS: Convert XS 2D to 3D

HEC-GeoRAS: Convert XS 2D to 3D


I have the following problem. I created in HEC-GeoRas (V4) the required layers:
1. Stream Centerline
2. XS Cut Lines

I use a TIN as a DTM. It is no problem to create the required attributes (topology, lenghts/stations, elevation) for the stream centerline. Likewise no erros appear when I create the attributes (river/reach names, stations) for the XS Cut Lines layer.

But when I want to convert the XS Cut Line Layer from 2D to 3D, then the attribute table still remains empty. A message box appears with no text. This makes it difficult to find the error.

I know for sure that the cross section do not intersect and do not overshoot the baunds ot the TIN.

Does anybody has an idea?

Thank you very much in advance.

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