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Questions tagged [3d-model]

Virtual representation of a real-world object that is vizualized in a 3-dimensional artificial space.

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1 vote
0 answers
28 views

How to augment LiDAR/DSM data from 3d models

For a viewshed analysis in QGIS 3.34, the I have LiDAR/DSM geotif files available. I want to modify/augment the DMS layer by adding the height information from 3d models of specific buildings. This ...
5 votes
1 answer
258 views

ArcGIS Online Image Offset

I have three geo-referenced images of a museum layout that I have been able to offset by "x" number of meters in ArcScene and ArcGIS Pro. I want to publish the three images online and have ...
-1 votes
1 answer
55 views

Exporting 3D models through QGIS

I created a 3D model that contains the DEM, some wind turbine features (.shp) and a boundary area (.shp). I added an XYZ tile. I would like to know if there is any way to export the product as a whole....
0 votes
0 answers
67 views

3D georectifying and visualizing wall section of rectangular prism hole dug in ground using ArcGIS Pro

As part of an archaeological excavation, rectangular holes were dug in the ground at a site and then the sides of the holes were photographed with georeferenced paper target chits. I have created ...
0 votes
0 answers
21 views

3D interpolation visualization with ArcGIS Pro

I would like to use the result of a global polynomial interpolation as a base for visualizing a 3D model in the local scene view in ArcGIS Pro, but I always get back a flat layer in the local scene ...
1 vote
1 answer
157 views

3D map view in QGIS doesn't load with many 3D models

I'm trying created 3d map view in QGIS 3.28 with 5000 points from shape-file. I want to visualize this file with 3d model from ScetchUP (obj-file size 511 Kb), but it doesn't work. Tile loading ...
2 votes
1 answer
1k views

Converting River Channel Cross-Section Data to Bathymetry

I have multiple surveyed cross-sections of river channels and need to convert this data into 3D polylines (shapefile) for use in a hydraulic model. The cross-section data is typically supplied in &...
1 vote
1 answer
54 views

Problems recovering 3d mesh from GeoTIFFs created from PDS IMG/LBL files using gdal_translate

Update: I've discovered that the problem lies in the pixel scale. For example, when I use `gdalinfo LDEM_512_90S_45S_000_090.tif` it shows the following for the pixel scale values: Pixel Size = (59....
0 votes
1 answer
121 views

FME data conversion from CityGML to GeoJSON results in multiline not multipolygon

I am using FME to convert my CityGML data into GeoJSON format to import it my 3D mapbox application. Mapbox uses extrusions to visualize 2D GeoJSON objects in 3D with their height values. (https://...
-1 votes
1 answer
50 views

Advice for making 3D model (globe) of Earth using naturalearthdata

New to GIS. I'd like to make a 3D globe using naturalearthdata that includes country borders. Unfortunately, most tutorials I can find are for making "flat" maps. And when I include more ...
5 votes
0 answers
2k views

Using GRASS GIS/QGIS to georeference TIFFs in 3D space, vertically?

I am a geophysicist working for a small shallow surface geophysics firm. We create 2D slices of the ground showing data collected from various surveys. These are generally cross sections (TIFFs) of ...
0 votes
0 answers
170 views

Merging Multiple 3D Point Clouds, Reducing Misalignment and Correcting Unusual Height

I've been trying to merge two point clouds into a single uniform point cloud using the Python package pyvista. However, I have encountered an issue that the misalignment between these two point clouds ...
0 votes
0 answers
323 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-...
0 votes
0 answers
39 views

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 ...
8 votes
1 answer
6k views

What kind of 3D models can QGIS's 3D View handle?

I'm trying to get QGIS to load a 3D model made in sketchup, as seen here: However, the model is not loading in the QGIS 3D Viewer. Any suggestions? QGIS does not give any input on what type of file ...
0 votes
0 answers
75 views

"Heightmap" of the PolygonZ features in QGIS

Let's say I have 3D model of city made from multiPolygonZ features and I need to create black and white image, where each pixel brightness represents height of the building at that coordinate. I need ...
2 votes
1 answer
318 views

Create 3D buildings model of large urban area in QGIS with a reasonable size for output file

I'm creating a 3D model of a large area encompassing 611 square kilometers (236 square miles). In QGIS 3.28, coordinates are -0.88,-0.63,37.6,37.85 [EPSG:4326]. I want the model to also include the ...
2 votes
1 answer
315 views

Moon surface 3D print model (DEMto3D plugin) - STL not generated [closed]

I am trying to create a 3D .stl model of the Moon's surface for printing. I am using the DEM .tif file from USGS: https://astropedia.astrogeology.usgs.gov/download/Moon/LRO/LOLA/ancillary/...
0 votes
0 answers
33 views

Generating vertical sections in 3D models in ArcGIS Pro

I have a model in NetCDF from EBK 3D in ArcGIS Pro and I need to take a vertical section, but ArcGIS only provides horizontal sections, has anyone faced this issue and know how to get vertical ...
2 votes
2 answers
243 views

How can I get 16 bit global elevation maps?

I'm a 3D artist working on a procedural planet generator, based on colour and height textures from real-life areas. I've been using the GeoTIFF files from NASA Visible Earth, but they all seem to be ...
3 votes
5 answers
9k views

How to create a point cloud from DEM?

Please forgive my ignorance if I am asking a totally irrelevant question, I am still a GIS newbie. I looked in Google and found a lot of links as of how to convert point clouds to DEMs. I am trying ...
1 vote
0 answers
910 views

Conversion of Fbx or Obj to Cesium Tiling [closed]

I have a an OBJ File and a FBX File of very large size (OBJ = 25GB & FBX = 6GB) I'm looking for a way to convert either of them into Cesium Tile Format. I have tried using Pix4D software which is ...
0 votes
0 answers
593 views

Adding z dimensions to a Polygon

I have a polygon (vector file) which has a base z location from a raster file, however it is still a flat shape. Is there a way I could add a z dimension to this vector file so it covers a 3-...
0 votes
0 answers
222 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, ...
0 votes
0 answers
2k views

Importing LandXML data to QGIS 3.22.3

I am fairly new to QGIS and working in the Environmental Impact field as a noise specialist. We use a noise modelling software called CadnaA which is powerful, but not very user-friendly. To get ...
3 votes
1 answer
2k views

QGIS does not show 3D models with textures in 3D map view

The problem When I load 3D models (Wavefront .obj files) to QGIS 3.22 on Win10, they show up correctly in 3D view, but only when Shading is set to Realistic (Phong) or CAD (Gooch). When I select ...
1 vote
0 answers
185 views

How to set wall texture in osmbuilding-leaflet?

I'm working with osmbuilding-leaflet to render 3D features on map but there is a problem. After rendering features wall of buildings doesn't have texture. But in the basic osmbuilding library wall ...
2 votes
1 answer
2k views

Converting 3D model to heightmap in form of image

I have got about 20000 small 3D models in form of .glb files. Is there some way to project them onto heightmaps with GDAL or other software?
0 votes
0 answers
265 views

Exporting 3D data including color in QGIS

I am a beginner in using Qgis, and my goal is to print elevation models with color layers (e.g. rock or forest) with my 3D printer. How do I get the 3D data exported from QGIS without losing the color ...
3 votes
1 answer
644 views

When publishing 3D Image from ArcGIS Pro to Online the textures are solid white instead of Original

I have a 3D image in .obj format. When I upload it via the Import 3D Files tool in ArcGIS Pro it appears with the original texture colors as it should be (for example, the red roofs of the buildings ...
2 votes
1 answer
957 views

LiDAR 3D modeling using package rayshader and LAS file in R

The rayshader package in R allows beautiful 3D modeling in R. Now I was trying to first try and overlay a LAS file on top of a base-map which is a Rayshader array object. I was trying %>% to link ...
1 vote
0 answers
165 views

Generating tree structure for 3D models?

I want to create a tool for converting different type of 3D models into Esri's i3s form: This repository hosts the specification for Scene Layers which are containers for arbitrarily large ...
-1 votes
1 answer
2k views

Importing a .max or .nwd files into ArcGIS Pro

A client provided me with a .max and .nwd formate 3D model for a site. I'm trying to get it into ArcGIS Pro but these formats appears to be unsupported. Has anyone had any success converting .max ...
1 vote
0 answers
89 views

Obtaining city model for modification in CityEngine from LiDAR point cloud

In ArcMap I transformed the point cloud into Multipoints and then into Singlepoints and I obtained this model in ArcScene. Is it possible to transform these points into 3D objects? Finally, I would ...
0 votes
2 answers
383 views

I obtained some elevation data from the USGS website and tried importing it into BlenderGIS and SVDesigner (SoilVision). However, I get a weird render [closed]

The first image is rendered on SVDesigner, the second image is rendered on Blender GIS and the third image is the raster file I obtained from the USGS website.
0 votes
3 answers
290 views

Seeking QGIS version, or plug-in, for distributing QGZ project with simple user-interface and read-only user privileges

I would like to distribute read-only 3D mapping products to the non-GIS general public but am not sure of an easy way to do that with QGIS. I see how to use Settings to create a customized user ...
1 vote
0 answers
223 views

Setting the 3d view function for a polygon layer

I am trying to create a 3d model of an archaeological site on QGIS. I had some contourlines, I made them polygons using the "polygonize" plugin and I categorized the polygons with a colour ...
1 vote
1 answer
225 views

Create 3D buildings for sloped rooftops

How can I create 3D buildings for sloped rooftops? I have good experience for creating 3D buildings with flat rooftops (I get z from nDSM from stereo pair). Is there a way for convert flat roofs to ...
1 vote
0 answers
188 views

How is georeferencing information stored in geo-refrenced 3d models?

I have a .obj file downloaded from Open Drone Map, labelled as geo-referenced model. How can I figure out the geo-referencing information stored in it? I need to use it in unity or any other such ...
1 vote
0 answers
564 views

How to create a 3D Map with multiple layers?

This is a Generic question, if it is not applicable please delete. I was wondering if it was possible to make a 3D map (such as seen below) on QGIS version 3.10.0 The image is basically showing ...
1 vote
1 answer
2k views

Arcscene 3D.wrl file to interactive 3D pdf

I want to create an interactive 3D PDF for my customer from my 3D data in ArcScene, which seems easy in principle but is becoming an odyssey. I would like to know if someone have any easy solution ...
0 votes
1 answer
647 views

Getting Surface Area on 3D Objects (ArcGIS Pro)

TLDR: I have a 3D multipatch feature class and need the surface area of the facade of the building. I brought in some data from Revit into ArcGIS Pro, processed it (project it, georef), converted the ...
2 votes
0 answers
77 views

Why geometryInstances not showing on Cesium 3D model?

I have the following code, but geometryInstances is not showing up on my 3D model. propertyPlacemark.push(viewer.entities.add({ geometryInstances : new Cesium.GeometryInstance({ ...
1 vote
0 answers
193 views

How to colour code the building floors?

I would like to color code floors (like the one in the picture). How do I go about doing it? My 3d model is in glTF format. I am using cesium as webclient platform.
0 votes
0 answers
88 views

How do I show floors to on a polygon using CesiumJs

I have a gltf 3D building model on cesium. I would like to color code the range of floors. i.e. 2-5 floor, red 5-10 blue etc. How do I go about doing this?
3 votes
0 answers
1k views

How to convert .OBJ 3D Mesh Georeferenced file generated from OpenDroneMap to .kmz format for Cesium?

I have Open Drone Map Output of a 3D Mesh Object file in .obj extension. I want to convert it into .kmz format to put it into Cesium Ion. How can I convert the files in the picture to a .kmz format ...
1 vote
0 answers
440 views

Adding Models dynamically to fit the polygons size Cesium JS

I am trying to add 3D glb models to fit the parcel/geom size of the polygon. What i wish to do is that the model should sit within the boundary of the polygon and fit to the polygon size. I have a ...
1 vote
1 answer
445 views

Where has the QGIS2threejs Icon gone?

I am trying to create 3D maps. I am using QGis2threejs. I know I can also create a 3D map using 'New 3D Map View', but I want to try QGis2threejs. However I have two questions. When I install the ...
2 votes
1 answer
96 views

How to warp 3D model to take into account horizon curvature?

I am using USGS Astrogeology data for the Moon's south pole. Here's the same dataset at half resolution: "LRO_LOLA_DEM_SPolar875_10m.tif (tif) 278 MB" on this page. I already have a process for ...
2 votes
0 answers
46 views

Support materials and shaders in ArcGIS when importing model from 3D Max?

Does ArcGIS support materials and shaders when importing a model from 3D Max? Can I change the texture of the model when it is already added to the scene? How to do it? Esri::ArcGISRuntime::...