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Video: Using Contours for your Topo Surface: DXF & Shapefile Workflow Explained
Updated November 13, 2025
This article applies to:
- RoadEng Civil
Learn how to build topo surfaces in RoadEng using contour data from DXF and shapefiles. We cover importing, assigning elevation, simplifying features, and common pitfalls like flat spots and long interpolations. Learn how to build topo surfaces in RoadEng using contour data from DXF and shapefiles. We cover importing, assigning elevation, simplifying features, and common pitfalls like flat spots and long interpolations.