etweed Posted July 24, 2002 Share Posted July 24, 2002 I have not found much information in the book about the use of the User Boundary Class under the DTM. I have contours that trace across buildings. What is the best way to get a boundary to keep contours out of areas? I have noted that connecting all 3d loci that make up a ditch/swale with a 3d polygon and moving a copy of the 3d polygon into the User Boundary Class will make the contours trace the ditch/swale more correctly. Also, are 3d loci that are in invisible classes still used in the DTM? Thanks in advance for any responses.et Quote Link to comment
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