Questions tagged [3d-map]
A 3D-map is a 2D map shown in 3D, it is not the same as true 3D.
97 questions
4
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Why is graduated color symbology not transferring from 2D to 3D map?
I am working with a polygon layer in QGIS that I am using to visualize building heights. In the 2D Map View, I have applied a Graduated renderer (a color palette/color ramp) based on a numeric ...
- 1,284
3
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1
answer
131
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Creating 3D terrain from 30m DEM using Python
I'm trying to create a 3D terrain surface from a DEM (GeoTIFF) file using Python, in order to visualize clustering results of observation points on top of it.
I successfully extracted the elevation ...
- 51
0
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0
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36
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rayshader::plot_gg() rendering different extents for ggobj and ggobj_height even when using aligned rasters
I'm creating a 3D land cover map using rayshader::plot_gg() with both inputs (ggobj and ggobj_height) derived from spatial rasters (land cover and DEM). Both rasters are in EPSG:25831 and have been ...
- 91
0
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1
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3D Bridges for a Local Scene
Is there a way to create or upload 3D objects such as bridges to a Local Scene?
I want to show a bridge spanning across a river but the 3D layers show the bridge flat against the water. The image ...
- 43
1
vote
0
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45
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Creating 3D objects from polygons
Been working on an project about displaying airspace configurations and sectors. I'm using PostgreSQL and PostGIS for storing, querying data and OpenLayers and cesium for displaying it.
So i have ...
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0
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0
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87
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DEM layer disappeared after I changed the render type to hillshade
So I'm new to QGIS and I want to make a elevation map from DEM following several tutorials from internet. I'm using QGIS 3.32 (Lima).
I've successfully pre-processed the data (I'll explain all the ...
1
vote
0
answers
32
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Rendering no data elevation values for 3D map in QGIS
I am trying to render a map in 3D using QGIS' 3D map view.
The view I am rendering contains a great amount of water, and the data source represents it as no data. This is a problem because it means ...
- 153
0
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103
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Analysis of conflict between directional Radio an Wind turbines in QGIS 3.34
I have a directional radio track from point A (x,y,z) to point b (x,y,z). The directional radio shall be 3D-buffered (restriction area) to create an oval around the directional radio, similar to a ...
- 129
1
vote
1
answer
148
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Exported image have blue background when rendered within rayshader
I am trying to export the plot_3D output for rayshader using render_highquality as following:
veg_mat |>
height_shade(texture = "white") |>
add_overlay(x, alphalayer = 1) |>
...
0
votes
1
answer
344
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Problem with the 3D view in QGIS when plotting polygons
I have a polygon shapefile (projected in meters) which I want to to view it in 3D using the 3D Map Views. I attached an image of what the shp looks like in 2D (you can see I added a basemap as well ...
- 1,284
0
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0
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384
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3D modelling with DEMs and ThreeJS
I am trying and right now in the search of methods to visualize 3D terrain with the use of the JS framework "ThreeJS" and so far I have only got through to visualizing with the QGIS2threeJS ...
1
vote
1
answer
67
views
3D symbol transparency for polygonZ layer in 3D map view
I have a MultiPolygonZ layer and I would like to add some transparency to its surfaces but in the 3D symbol for polygon layer there is no opacity parameter (contrary to point and line layer). The ...
- 1,343
0
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0
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122
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Displaying lake contours as depth rather than elevation
I have a set of contour lines for Lake Erie with negative Z-values. I am happy with how they display in 3d but need them subsurface to show depth rather than elevation. The tallest portion in cyan ...
- 21
0
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73
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How to Export Vector line to 3d print in CURA
I downloaded a .shp file from NOAAs website for the shoreline . [https://nsde.ngs.noaa.gov].
I am trying to 3d print from Cura the shoreline file to add to my dem file 3d print of topography so I can ...
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1
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0
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193
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Tools needed to display 2D layers as a 3D stack in ArcGIS Pro
What tools do I need to use to display 2D layers as a 3D stack in ArcGIS Pro?
Do I need to create a global scene first, or add an elevation attribute to the 2D layers, or is there a specific tool to ...
- 21