The dtm tag has no wiki summary.
6
votes
2answers
1k views
How to change DEM's gradient colour?
I'm a newbie about GIS.
I'm from Italy and I've got a *.tif file of my region.
I've loaded it has raster but I have a question:
The dem has a gradient colour magenta.
How change this colour to ...
27
votes
7answers
16k views
What is the difference between DEM, DSM and DTM?
I am listing some of the acronyms used in our work and had to stop to think about whether to list these together or separately. In some circles they are synonymous, in others they have distinct ...
8
votes
2answers
440 views
Elevation profile sample point algorithm
In generating an elevation profile, samples from the underlying raster must be taken. If the objective is to create a profile of maximum quality, how should the locations of sample points be ...
1
vote
1answer
48 views
Polyline ZM: automatic vertex height errors correction
Paolo
I've got many rivers (polylines ZM) with a lot of height errors in Polylines 'vertices.
Vertices' Z errors are not all equal in height (i.e. they are not all at zero height).
I must create a TIN ...
