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Mar
6
comment How to create a smallest quadrilateral concave polygon around GPS points?
convex hull is something you are looking for?
Feb
25
comment What do I need to create 3D model of real terrain?
For Netherlands, there is AHN-2 data.
Feb
13
revised TIN interpolation crash in Qgis
added 4 characters in body
Feb
13
answered TIN interpolation crash in Qgis
Feb
8
comment Classifying small structure in water using IR band
well. The idea is good but all the beacons are unknown. May be I can visually test and make a test set. Not sure though.
Feb
5
comment Classifying small structure in water using IR band
mainly metallic.. may be small boats, beacons, oilrigs, platforms, stuff like this
Feb
3
comment Classifying small structure in water using IR band
no. No spectral information I can attach. For now, I am going for 5m Rapideye and structures are 20x20 to 30x30 m.
Feb
1
comment Classifying small structure in water using IR band
oops.. Aster 15m.. But now thinking rapideye 5 m
Feb
1
awarded  Promoter
Feb
1
comment Classifying small structure in water using IR band
Aster 5m resolution
Jan
28
asked Classifying small structure in water using IR band
Sep
17
awarded  Citizen Patrol
Sep
17
awarded  Critic
Sep
17
comment Is there a purge function to remove layers from a qgs file which are not present in the Layers pane?
Did you check by storing relative paths in .qgs file? Its at Setting--> Project Properties-->save paths-->relative Cheers N
Sep
17
comment Floor height creation from Aerial Lidar/Imagery only
So what I understand from your question is that you want the height of ground floor above the surface using LiDAR data? I don't think you can do this using aerial data. You only have values at points which are visible from above and your ground floor is not visible. I am curious if someone can give some more valuable input. Cheers N
Sep
16
awarded  Editor
Sep
16
revised vector layer, no more editing is allowed
spelling mistake in title
Sep
16
suggested approved edit on vector layer, no more editing is allowed
Sep
10
answered How to create accurate indoor maps?
Sep
10
answered Do any open-source .Net libraries (commercially usable) exist for reading/writing LiDAR data?