All Questions
Tagged with photogrammetry qgis
7 questions
2
votes
1
answer
162
views
Problem with wrong DEM output after georeferencing
My goal is to georeference a DEM tiff file that I have with a reference orthophoto.
Steps to reproduce
Open orthophoto (EPSG2056) in QGIS
Open the DEM (EPSG2056) in the Georeferencer
Add GCP (I am ...
- 211
2
votes
1
answer
193
views
Measure an angle on an orthophoto or on a dense cloud
I'm currently working on QGIS 3..10.1, and I would to analyse my roof with UAV analysis. I have already made a dense cloud, an orthophoto and a DEM on agisoft metashape but now I would make few ...
- 39
1
vote
1
answer
141
views
Generating DEM Generation in LPS?
I have a Cartosat 2.5 m Imagery and Block files along with DSM Data. I wanted to generate DEM using Leica Photogrammetry Suite Software. Does anyone know the steps of generating same?
I have to edit ...
- 21
4
votes
0
answers
200
views
Counting treetops from the DSM [duplicate]
I want to measure tree heights in the forest using drone photogrammetry. So far it's easy to measure single trees height using fugroviewer in the pointcloud, but I would really like to measure whole ...
18
votes
9
answers
30k
views
Drone aerial imagery to QGIS
I used Phantom DJI Standard 3 drone for some aerial photos of an archaeological site. When I viewed the properties of the jpeg file, it contained Longitude (like this: 22; 14; 37.701258239) and ...
- 793
2
votes
1
answer
1k
views
Automatically adding Z-values from a DEM to an already created polygon
We have excavated a very large 5.000 year old fish fence, which was documented by photogrammetry, and is now being digitized. I started digitizing the orthophoto in QGIS and everything is cool. Now I'...
- 53
11
votes
3
answers
21k
views
QGIS, point clouds and photogrammetry
I'm trying to use photogrammetry and Structure from Motion to record buildings, and I'm looking for a way to bring these into a format usable in GIS, in particular pointclouds and models of terrain, ...
- 779