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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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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 ...
Toby Child's user avatar
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 ...
dpw4050's user avatar
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3 votes
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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 ...
Sifat Muhammad Abdullah's user avatar
3 votes
0 answers
691 views

Load 3D models on globe or 2D map

I'm using ol3, ol3-cesium for creating 2D map & 3D globe. These things are getting used at backend 1) tinyows 2) map server 3) postgis Now I want load 3D models on my map and globe. Lots of ...
vinni's user avatar
  • 191
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 &...
davehughes87's user avatar
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({ ...
ywologist's user avatar
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::...
Ivan Triumphov's user avatar
2 votes
0 answers
993 views

In QGIS 3.6, where is the "Enable 3D renderer" vector layer property?

In QGIS 3.4 I could enable the 3D renderer for a vector layer (properties/3D view/enable 3D renderer). I can't find this option in QGIS 3.6 anymore. How can I activate this again for a vector layer?
David Meganck's user avatar
2 votes
0 answers
1k views

3D building data is stored in Google Earth

I was wondering in what way (data format, infrastructure) 3D building data is stored in Google Earth. I am very impressed by the quality and performance. Are the vertices of the mesh stored in spatial ...
RutgerH's user avatar
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2 votes
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645 views

Generate 3D terrain Model at Runtime dynamically

I need to subset terrain in Cesium and make the output exportable in any of the common formats like WRL, OBJ etc. I have found one such example here. I have been searching the web for days but ...
Badar Munir's user avatar
2 votes
0 answers
482 views

Creating equirectangular projection from 3d spatial model?

Apologies if this is not the right group for this question, but I think there may be people here who can help. (I'm open to suggestions for better places to ask.) I have a program that contains a ...
user1476044's user avatar
2 votes
0 answers
1k views

Using multipatch and surface in ArcGIS 3D Analyst?

I want to get 3D building. I have DEM surface and 3D feature of building roof. I created multipatch class by extruded building roof with '-' value. Is it possible to create building from this ...
Mateusz's user avatar
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2 votes
0 answers
398 views

What are the top 5 file types for 3D model?

I don't know much about GIS but I'm investigating a project that requires a 3D model of a hilly large town (town centre, suburbs, golfcourse, etc.). I'm not certain which file-type of these ...
Edmund's user avatar
  • 137
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 ...
Wolfgang Haak's user avatar
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 ...
Darin's user avatar
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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 ...
hamed's user avatar
  • 101
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 ...
moreno's user avatar
  • 11
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 ...
ddomizia's user avatar
  • 648
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 ...
Connected Worker's user avatar
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 ...
Louis Tate's user avatar
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.
ywologist's user avatar
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 ...
hashir ilyas's user avatar
1 vote
0 answers
681 views

Extract Layers form .slpk File

I have been given an .slpk file generated by Drone2Map. I can import the .slpk file into ArcGIS Pro but I'm unable to edit the 3D layers in the package. I have not been able to find a way to extract ...
Chris's user avatar
  • 431
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 ...
Karl Tian's user avatar
1 vote
0 answers
165 views

Automatically Recognised Targets for Combined Laser Scanning and Photogrammetry

I'm currently performing an engineering honours thesis on terrestrial photogrammetry and laser scanning in Archaeology. Both methods will be used to document a single location first and analysis will ...
William Andrews's user avatar
1 vote
0 answers
67 views

Planarity Checking for Building walls

While viewing 3D buildings in ArcScene, a flickering error(refer screenshot below) can be seen visually due to the Non planar surface. The options I have checked are Topology in ArcGIS & QGIS, ...
Sarath SRK's user avatar
1 vote
0 answers
1k views

Using 3D imagery in ArcGIS Pro?

I have a Lidar Scan from the inside of a building, in the program Leica Cyclon (.ptg .ptz .xyz) and/or Autodesk ReCap (.rcp .pts .rcs .e57). I need to import this data into ArcGIS Scene for 3D viewing....
Zach's user avatar
  • 11
1 vote
0 answers
262 views

Error whilst exporting 3D pdf from Global Mapper

I’m try to export a 3D PDF from Global Mapper and I’m get this error message: Error exporting to 3D PDF file. Could not create U3D file. PDF3DOverlay.cpp - 645 Version: v18.2.0 (64-bit) Build Time: ...
Bradley_Burrell's user avatar
1 vote
0 answers
381 views

Make 3d model from picture and calculate volume

I have a picture (fictional) of a mountain. What I want and am not able to do without help, is to make the coordinates and height to the right scale. I have a line that represents 10 km on the ...
E. de V.'s user avatar
1 vote
0 answers
228 views

Creating Dynamic 3D Buffers in ArcGIS Pro

I am currently using ArcGIS Pro to model WiFi router signal distribution and I would like to use buffers to display them in a 3D format. I have used the Buffers 3D tool to create spherical buffers, ...
Cameron Sloan's user avatar
1 vote
0 answers
106 views

3D tool for a visual analysis

Given a 3D mesh I need to visualize and analyze properties and elements generated from the object such as: tensors coplanar/similar elements ( coplanar faces, aligned vertices, etc etc, 3D geometry ...
user2244984's user avatar
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 ...
and2103's user avatar
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 ...
MapDeath's user avatar
  • 343
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 ...
Lion Lai's user avatar
  • 258
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-...
user2031's user avatar
  • 221
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 ...
Kyle's user avatar
  • 1
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 ...
Matyas M. Svejdik's user avatar
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 ...
JCV's user avatar
  • 139
0 votes
0 answers
592 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-...
James the Flooded Roads Guy's user avatar
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, ...
swiss_knight's user avatar
  • 10.4k
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 ...
Jason Hutten's user avatar
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 ...
Marcel Mehr's user avatar
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?
ywologist's user avatar
-1 votes
0 answers
22 views

Real terrain 3D rendering tool

Is there a simple tool, online or a program for PC, where you put exact coordinates on Earth and it will render in 3-D the real model terrain (using textures from aerial imagery) from exactly that ...
Tomas's user avatar
  • 1,256
-1 votes
1 answer
54 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....
Daniel Matias's user avatar
-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 ...
user40176's user avatar