[Qgis-user] Working with DEMs

[Dave Gardiner]

I see them all and every one I use fails. Take the TIN Interpolation for
example for which my input was:

Vector Layer = Vertices (this is the layer with the extracted vector
endpoint nodes on)
Interpolation Attribute = Elevation
Use Z point for Interpolation - ticked
Input Layer = (Vector Layer = Vertices, Attribute=ZCOORD, type=POINT)
Interpolation Method=Linear
Extent=Canvas Extend

This is my error.

Traceback (most recent call last):
File
"C:/PROGRA~2/QGIS3~1.4/apps/qgis-ltr/./python/plugins\processing\algs\qgis\TinInterpolation.py",
line 187, in processAlgorithm
writer.writeFile(feedback)
Exception: unknown

Execution failed after 16.94 seconds

Any thoughts please?

Dave




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