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Interpolate missing z values in polyline

Question asked by havard.moe_JBV on Aug 25, 2016
Latest reply on Aug 26, 2016 by xander_bakker

I have a polylinezm imported from data put together from various sources. One issue I have is that some parts of the line are missing the Z value for the vertices:

 

 

To the left, a profile graph showing the Z values along the line, to the right sketch properties showing some vertices with a dummy -9999 Z value.

 

I've been looking for a way to interpolate the values for the missing vertices, but have not managed to find a way. Anyone got a tip on how to do this?

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