Questions tagged [nviz]

n-dimensional visualization software

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Overlapping lines or polygon in GRASS GIS 3D

I have a shapefile GIS layer with several overlapping paths. They consist of geodetics/shortest path calculations from several origins to one destination. I want to visualise these paths as either as ...
SPet's user avatar
  • 141
1 vote
1 answer
44 views

Calculation of "model coordinates" for GRASS m.nviz.image

I'd like to be able to derive the x,y model coordinate for the position parameter of m.nviz.image (manual) from a projected (e.g., UTM) coordinate on the map representing the position of the viewer. I'...
Rob Skelly's user avatar
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2 votes
1 answer
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GRASS m.nviz.image render artifacts

I'm trying to render images of a dome lit from multiple angles in GRASS using the m.nviz.image render plugin. Whilst the DEM displays nicely in the map display, I'm getting weird fractal patterns ...
Beeman's user avatar
  • 81
2 votes
0 answers
202 views

NVIZ not working with QGIS 2.16 and GRASS 7 (mac)

I am trying to display 3d data in NVIZ (ideally i would like both raster and vector files in 3d) but when I run the NVIZ tool, nothing is returned. Im running QGIS 2.16.3 with the GRASS 7 plugin ...
BenjiDa's user avatar
  • 73
0 votes
1 answer
2k views

How to export a 3D map into a image file?

With qgis, it seems to be possible to visualize 3D with two tools : nviz and Qgis2threejs. But i would like export the result into an image file. Is it possible to do that with qgis?
user35117's user avatar
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4 votes
2 answers
938 views

QGIS 2.14.1 Processing Toolbox GRASS 7 .NVIZ Not working

I have a problem with the command GRASS 7 .nviz in QGIS 2.14.1 installed through QGIS-OSGeo4W-2.14.1-1-Setup-x86_64.exe.md5sum all GRASS commands work exept .nviz / nviz7 images: I test with both ....
Eduardo's user avatar
  • 363
4 votes
2 answers
1k views

Where is the nviz tool in qgis 2.14 with GRASS 7.0.3?

I hope Im not blind but I looked in the grass tools (modules) and qgis plugins but couldnt find it. When i try to run nviz from GRASS the whole programme chrashes just before concluding. Its a ...
Konstantin_o's user avatar
2 votes
0 answers
209 views

Module nziv not found in QGIS 2.10.1-Pisa

I want to use nviz in QGIS2.10.1-Pisa on windows 7 and I always get the same warning message : "Module nviz not found", whenever I click on it in the GRASS tools Modules list. I have tried to ...
JSlauzon's user avatar
2 votes
2 answers
204 views

Exporting from NVIZ? [closed]

I need to export a 3d model made from a DEM with a satellite photo draped over it. I'm using qGIS 2.8.2 and NVIZ, and am having a few problems. 1) How do I get a full colour image draped over a DEM ...
Yuval B's user avatar
  • 21
5 votes
1 answer
453 views

Grass NVIZ has no output in QGIS 2.8.1 ubuntu 14.04

I am trying to use the Grass7 NVIZ algorithm from the QGIS 2.8.1 toolbox, on ubuntu 14.04. I have enabled Grass7 in the QGIS processing preferences. I have compiled Grass7 from source, and Grass ...
Hvitnov's user avatar
  • 51
3 votes
0 answers
492 views

QGIS 2.4 NVIZ Solution

I am going to ask this question better: What happened with NVIZ? I do not know the exact version that nviz stopped working but it seems around version 2 of QGIS. There are two ways to get to nviz in ...
BobbyEK's user avatar
  • 113
0 votes
0 answers
271 views

What happened with NVIZ?

I'm unable to find and run NVIZ and now I've read several places that it's not functioning in the latest versions of QGIS? Is this a temporarily bug or definite?
CARTOS's user avatar
  • 727
2 votes
0 answers
362 views

3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS

How can I make 3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS? I am quite new with GRASS. I have only managed to get a 3D view of the terrain so far.
Peggy Zinke's user avatar
1 vote
1 answer
949 views

Increasing resolution of 3D image in QGIS GRASS NVIZ?

I'm trying to display 3D data in NVIZ within QGIS, but the result appears very low resolution in comparison to the same data in ArcScene. How do I improve the quality? I've read the question on '...
AMK's user avatar
  • 435
3 votes
1 answer
991 views

NVIS module not found in QGis

When I try to use the nvis module in Grass, QGis, pops-up a warning window saying "Module nviz not found". how can I solve this issue and use the nviz?
Rui Prata's user avatar
  • 119
2 votes
2 answers
555 views

How to increase resolution of 3D image in GRASS NVIZ

I am trying to make 3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS. I have been able to import both the DTM and the orthophoto in NVIZ window and successfully draped the ...
Zaman's user avatar
  • 211
2 votes
2 answers
2k views

Unable to load 'nviz' through GRASS

I am using QGIS 2.0.1-Dufouron on Windows 7. When I try to load nviz via GRASS, I get the message "Module nviz not found". Weirdly enough, I can load it via the toolbox and be able to 'run' it (it ...
Joseph's user avatar
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2 votes
1 answer
2k views

Running nvis tool in QGIS GRASS

I am trying to follow this workflow: [Generating DEM from contour Shapefile using QGIS?] and it's running fine, and when I hit view output or view results I end up with a flat raster with shading ...
lisagravy's user avatar
  • 529
3 votes
1 answer
1k views

Getting custom colormap onto 3D NVIZ in QGIS GRASS

I am trying to create a 3D version of my 2D raster using QGIS GRASS NVIZ. I have been following these steps: http://linfiniti.com/2010/12/3d-visualisation-and-dem-creation-in-qgis-with-the-grass-...
mikeLdub's user avatar
  • 1,193
2 votes
1 answer
452 views

Changing raster color range in GRASS NVIZ

I'm trying to create a 3d map in GRASS NVIZ from a GDEM (raster) and the range of colors that show the height of the terrain are very ugly. How I can change them? For example, I would like the low ...
Bany's user avatar
  • 21
1 vote
0 answers
105 views

Problem with nviz and QGIS 1.8

I am using QGIS 1.8.0 on Windows 7. In nviz (via SEXTANTE), after selecting an altitude layer and the GRASS region extent, I hit OK; the progress bar quickly reaches 100% and then absolutely nothing ...
Cezar B's user avatar
  • 1,466
0 votes
1 answer
128 views

Why can't I load more than 12 elevation files into NVIZ?

I have a large set of rasters in a GRASS mapset, which I would like to use as frames in an animation, visualizing the raster data as elevation. NVIZ is an obvious tool for this, but I'm having trouble ...
Gregory's user avatar
  • 1,661