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3D Analyst Tools >>Features to 3D densification issue

Question asked by peterzhou on Aug 1, 2014
Latest reply on Aug 1, 2014 by peterzhou

when i use 3D Analyst Tools >>Features to 3D to convert a Polyline (ZM) to a 3D polyline with Z values droped on Raster DEM, i find ArcMap automatic densify the polyline. i go to 3D Analyst option and choose No densification, but it still densify the polyline which has been added more vertices on the line. does anyone know how to no densification on the polylines?