Questions tagged [3d]

Questions related to GIS objects that have three dimensions.

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Importing Lod2 Data into Threebox/ThreeJs as georeferenced

I have a project and I want to import my LoD2 data into threebox. I tried this in several way. Original data in CityGML format that contains multiple buildings but since ThreeJS/Threebox does not ...
sevvaldurmazbilek's user avatar
1 vote
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73 views

Converting GeoTIFF Elevation Data to 3D ZXY Tiles

I have a GeoTIFF file which includes elevation data. I visualized the TIFF by pyplot: from osgeo import gdal import matplotlib.pyplot as plt import numpy as np from mpl_toolkits.mplot3d import Axes3D #...
Homayoun's user avatar
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31 views

How to get the 3D intersection between a Line and a raster in PostGIS?

I successfully loaded a Geotiff .tif file into PostGIS using raster2pgsql, split into 20x20 tiles with the following command: raster2pgsql -s {srid} -I -C -M -t 20x20 {tif_file_path} {table_name} > ...
alexsaleh's user avatar
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16 views

Creating 3D surface / terrain in ArcGIS Pro WITHOUT 3D extensions?

I understand GIS principles, but I am a new user to ArcGIS Pro. I am currently looking to create a terrain type model / surface in 3D, using a georeferenced .ASC file containing ground heights. Is ...
Anna's user avatar
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36 views

3D object won't show up on AGOL scene viewer

I'm trying to add a 3D object that has a multipatch texture on to ArcGIS Online Scene Viewer. It's only one object as I'm just testing it out, what I did was made a 3D feature layer and drew out a ...
user217940's user avatar
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43 views

3D web map to QGIS

There is this 3D scan of Curitiba and I would like to know if there is a way to import the elevation data to QGIS. I’m looking to extract some elevation data of a specific area to make a physical ...
Leonardo Moreno's user avatar
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29 views

3-D view of .ovr bathymetry raster in ArcGIS Pro

I am working with .ovr format a bathymetry data in ArcGIS Pro. The dataset has the following 4 files (name.asc, name.asc.aux.xml, name.asc.ovr, and name.prj) When I add click "add data" to ...
ana.lmb's user avatar
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25 views

Blank output on 3D Map view on height data with projected CRS - QGIS 3.30.3

I have some CSV height data which has been imported as Lat,Lon,Height with a CRS of EPSG 4326.I want to produce a 3D view which shows each height element as a column and ideally join the points with ...
Bob Crawley's user avatar
0 votes
1 answer
49 views

Map style identification

We are looking for a visualization solution to track a device to locate its floor and room in 3D(especially the skeleton and the room of the building. Now we do have the OSGB data for the whole ...
giser's user avatar
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5 votes
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Styling Polygons in 3D View as in 2D View in QGIS

I have a sample set of polygons as shown in the picture below: How can I keep the same symbology in 3D view instead of the grey metallic color ? I am not sure how to achieve that.
GforGIS's user avatar
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Is there a way to link 2D view and 3D view in a layout - QGIS

Is there a way to link 2D view and 3D views in a layout using QGIS? In the 3D view I selected the option of having the view move with the 2D view. However, when I get to the layout and run the atlas (...
Alex's user avatar
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1 vote
1 answer
100 views

Making map book (Atlas) with filter in QGIS

In QGIS, I want to make a map book (Atlas) with only buildings but only one building showing up per page. So essentially a filter. I am not sure how to go about this. Also, is it possible to have two ...
Alex's user avatar
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0 answers
33 views

Extract complex roofshapes from LiDAR

I've been using the 3D Basemaps Solution on the ESRI Solutions page (I no longer see it listed) for a little over a year now with ArcGIS Pro with mixed but improving results to create scenery for use ...
tarnis's user avatar
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1 answer
144 views

3D surface area with Google Earth Engine

I have my region of interest as a polygon. When I calculate the surface area I get a '2D value' (ie as if it was a flat surface). The problem is, the region is quite full of hills, so the real surface ...
terauser's user avatar
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114 views

Exporting animation video or gif with qgisthree2js plug-in in QGIS

I created a 3D scene with the qgisthree2js plug-in in QGIS and prepared an animation with 18 frames. I'd like to export it as a gif or video, but there are only png and glTF options. I tried screen-...
user2031's user avatar
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0 answers
104 views

Python code LiDAR to 3D building footprint

I'm trying to extrapolate a 3D building footprint from a LAS file in ArcGIS Pro . As I understand it the process is filtering the LAS points, classifying the ground and non-ground points, creating a ...
TheOmoSlide's user avatar
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0 answers
15 views

Input feature is needed to get skyline analysis in ArcGIS Pro to work

I'm trying to recreate a skyline analysis as outlined here: Skyline analysis: an urban environmental physical-design but I'm having several difficulties. I'm using ArcGIS Pro 3.1.0. I work in a local ...
gruenbet's user avatar
0 votes
1 answer
34 views

Look up table for 3D to 2D EPSG CRS

I would like to write a function (in Python) that receives a 3D EPSG CRS and returns the horizontal EPSG CRS equivalent. Eg. Receiving 7415 (Amersfoort / RD New + NAP height) -> Returning 28992 (...
GStav's user avatar
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1 vote
0 answers
75 views

Get QGIS to understand dimensions in 3D raster

I want to open 3D raster data in a NetCDF file in QGIS 3.10.4 in Linux. I have a 3D matrix of dims (10000,5000,10) in a NetCDF-formated file. The first two dimensions correspond to longitude and ...
Ferny's user avatar
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1 vote
1 answer
204 views

How create voxel 3d (x,y,z,attribute) in GRASS GIS from CSV file

I have a csv file with (x,y,z,attribute) x,y,z,attribute are float value, and I want to do a voxel 3D in Grass Gis, the documentation and examples are poor, so please I need some help. I am using ...
etorresm's user avatar
1 vote
1 answer
106 views

Create 3D polygon of airspace above terrain

I have a LAS dataset of mainly vegetation and ground. I am looking to create 3D polygons in ArcGIS Pro that essentially fill in the space above the ground and flanked by the data (trees and bushes) to ...
Anonymous's user avatar
3 votes
3 answers
124 views

Set print extent in demto3D of QGIS diferent than x min, x max, y min, y max

I have an area that I want to print in 3D. The area has 4 sets of coordinates. I first used a polygon of the area of interest, then cut the DEM of the same area. I used demto3D from QGIS to generate ...
Claudia's user avatar
  • 31
-1 votes
0 answers
24 views

All the entities of the layer are not displayed in the 3D scene of my web application using the ArcGIS API for JavaScript

I have an application that I have developed with the ArcGIS API for JavaScript. I am loading some layers that have 1217 entities and when I go to visualize them I do not see the total of the entities. ...
Daniel León's user avatar
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0 answers
68 views

Possibilites to save/export a loaded CityJSON layer (loaded with the Plugin: CityJSON Loader)

I am wondering if it is possible to export/save a loaded CityJSON file? I want to to edit it and save it again. What I am wondering in which format I have to save/export it. I tried multi-polygon, ...
obrob's user avatar
  • 857
0 votes
0 answers
95 views

Cesium; No Geoid Terrain service provided - no geoid conversion will be performed

I have this Cesium JS (v1.103) in which I tried to plug an existing I3S service, but it's not working: const viewer = new Cesium.Viewer("cesiumContainer"); let i3SData = new Cesium....
swiss_knight's user avatar
  • 9,794
1 vote
0 answers
34 views

ArcGIS Pro - Maintaining Resolution in 3D Vertical Exaggeration - Animated Flyover

I'm using ArcGIS Pro 3.1.0 (Local Scene) to make 30 second animated 3D flyovers of various subsea regions along the NA continental shelf. I am encountering an issue with resolution/topography ...
Joe O's user avatar
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2 votes
0 answers
79 views

Keypoint generation in 3D point clouds with Deep Learning

I have a huge dataset of 3D point clouds (each point consists of X,Y,Z coordinates) and another dataset with keypoints (also X,Y,Z) which lie on quite recognizable structures in the point cloud. As a ...
nmb's user avatar
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0 answers
15 views

How to correctly set the depth in 3D EBK in ArcGIS Pro

I'm trying to run the 3D EBK in some geological data, with latitude, longitude, and elevation: but the semivariograms are quite bad: But, if instead of the elevation I use the depth, the model is ...
JCV's user avatar
  • 139
0 votes
0 answers
20 views

Symbolising 3d points with custom directional symbology from direction stored in attributes

I have a folder of images taken by a drone, I have extracted the location and camera direction of each of these images using exiftool. I would like to plot these in 3d space to obtain a result ...
staf's user avatar
  • 306
0 votes
1 answer
56 views

Closing 3D map views via Python

I have some 3D map views open in my QGIS session and would like to close them all via Python. How can I do this?
bugmenot123's user avatar
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0 votes
0 answers
41 views

Spatial neighbors to voxels for R-INLA

I am working on an fMRI dataset that I want to analyse using a Bayesian spatial model in R-INLA. I extracted the coordinates for all these voxels. (See the image to get an impression one such a ...
BasMts's user avatar
  • 1
1 vote
1 answer
166 views

3D centroid in PostGIS

How could I find the 3D centroid of this feature in PostGIS: SELECT ST_AsText( ST_GeomFromText('POLYGON Z ((0 0 0, 1 0 0, 1 0 1, 1 1 1, 0 1 1, 0 0 1, 0 0 0 ))') ) geom; ...
swiss_knight's user avatar
  • 9,794
0 votes
0 answers
185 views

Visualizing Vector Tiles map in 3D

As I am using QGIS not for a long time I am asking myself whether there is a possibility to visualize a Vector Tiles map resource in 3D in QGIS. In comparison to common shape files there isn't an ...
T. S.'s user avatar
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1 vote
0 answers
25 views

Calculating relative surface of 3band raster image in QGIS

I am trying to calculate the (relative) area of this image. It is a scan of a tree, the colors indicate the moisture in the stem. If I load it in QGIS, I see 3 bands, the combination of which define ...
Yves's user avatar
  • 61
0 votes
0 answers
51 views

Polygonize a vertical plane defined by a MultiLineString Z in PostGIS

I have to polygonize a vertical plane defined by a MultiLineString Z: SELECT ST_AsText((ST_Dump(ST_Polygonize(ST_GeomFromText( 'MULTILINESTRING Z (( 0 0 3, 1 1 3, 2 2 0, ...
swiss_knight's user avatar
  • 9,794
1 vote
2 answers
259 views

Varying the proportions of 3D Point symbols in QGIS (3D View)

I am translating a 3D visualization lab from ArcMap to QGIS 3.22. The lab is very simple; draping imagery over a DEM and showing 3D points that are earthquake epicenters underneath the terrain. The ...
aspang's user avatar
  • 13
0 votes
3 answers
534 views

DEM 3D problem in QGIS

I am facing a problem to make this DEM 3D problem in qgis2threejs plugin scene. Does anyone have solution on it?
Abdullah Maroof's user avatar
0 votes
0 answers
30 views

Stacked bar symbols for points in ArcGIS Online

Is there a way to represent single points as stacked bars using multiple elevation attributes on the points in AGOL 3d Scene or by building in ArcGIS Pro and pushing out to AGOL? I would want to color ...
J Thomas's user avatar
1 vote
1 answer
279 views

Visualizing German ALKIS LoD2/cityGML data in 3D map view QGIS 3.22

I have a dataset containing all relevant information to build a 3D building (https://ldbv.bayern.de/produkte/3dprodukte/3d.html) with one layer containing roof information (incl. orientation and slope)...
luidwig's user avatar
  • 61
0 votes
0 answers
61 views

How to create a 3D symbol in QGIS to represent a cylindrical culvert?

Does anyone know if its possible to create a 3D symbol in QGIS to represent a cylindrical culvert? If I use a rectangular polygon base, all of the settings I've looked through so far create a box from ...
Ali Jones's user avatar
1 vote
3 answers
84 views

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
3 votes
1 answer
89 views

QGIS 3.26.3 3D View rotation is choppy

When I try to rotate a view in 3D it's very choppy. Any idea why this might be? Video of Choppy 3D view This is the output from the animation, but it's exactly the same as when I try to rotate with ...
cndnflyr's user avatar
  • 3,342
4 votes
1 answer
172 views

Can we create 3D buffers around point data in QGIS?

I have multiple point data with lat, long, and elevation. I want to create a 3D buffer on one set of points and check for intersection another set of points. I am using Qgs2threejs for visualization. ...
Lalit Chavan's user avatar
1 vote
0 answers
40 views

QGIS: Draw CompoundCurveZ by elevation in 2D

I have a CompoundCurveZ layer in QGIS with Curves that overlap when seen in 2D. Mock Example without Curve: ID geometry ---- ------------------------------ 1 LineStringZ(5,0,5,5,5,5,10,5,5) ...
cymed's user avatar
  • 155
2 votes
0 answers
162 views

Convert a PostGIS 2D polygon to a 3D Polyhedralsurface using C#

I'm trying to convert a 2D polygon into a 3D polyhedralsurface because i will use the surface to do a Intersect with other 3D geometries. The problem is when im trying to create the surface from a ...
Jacob Christiansen's user avatar
0 votes
1 answer
55 views

Creating 3D representation of line shapefile using ArcGIS

I have a line shapefile of links that build a network. Now I'd like to assign each node (or every end of a line segment) a z-value depending on a certain attribute. Is it possible to then display this ...
Yves's user avatar
  • 326
1 vote
1 answer
128 views

How to tell if a layer is Z-aware or M-aware

I am trying to detect if a layer is Z-aware or M-aware. If it is, I need to flag it to be reconfigured without Z/M-awareness. In the example below, I have already pulled down the layers and am ...
Bushbaker27's user avatar
3 votes
0 answers
183 views

3D globe on QGIS 3D view

I am using QGIS 3.22. Is there a way to load a 3D globe model into the 3d view in QGIS so I can turn it around and etc. like Google Earth? If it possible where can I find or how do I create something ...
YuvalM's user avatar
  • 389
3 votes
1 answer
302 views

Area calculation for non-planar surfaces

I am looking for a way to calculate the area for a big set of 3D-surfaces. I know, that some of those surfaces are slightly non-planar, which means that the coordinates got somehow "rounded" ...
e.g's user avatar
  • 31
0 votes
0 answers
181 views

Export 3D data from PostGIS to any common open and standardized 3D file format

I am mainly curious, because I found this function: ST_AsX3D() in the list of PostGIS 3.2 "ST_As{something}" functions: st_asbinary, st_asbinary, st_asbinary, st_asbinary, ...
swiss_knight's user avatar
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