Questions tagged [3d-model]

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

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21 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 ...
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1answer
125 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 it look ...
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0answers
30 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 ...
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1answer
189 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 ...
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1answer
1k 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 ...
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1answer
24 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 ...
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0answers
13 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({ ...
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0answers
37 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.
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22 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?
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0answers
17 views

Extruding asset along Base Polygon in CityEngine having difficulties using function insertAlongUV

I have been experimenting with CityEngine to automate modeling of repetitive structures that follows a similar design. In this case, I'm trying to model a bridge that curves along with its length. ...
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0answers
120 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 ...
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0answers
103 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 ...
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1answer
64 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 ...
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0answers
59 views

Converting Cesium3DTileset into LAS or LAZ files

I got the json file and five .b3dm model files from this SandCastle example: https://cesiumjs.org/Cesium/Build/Apps/Sandcastle/?src=3D%20Tiles%20Adjust%20Height.html I want to convert them into .LAS ...
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1answer
35 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 ...
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0answers
20 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::...
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1answer
80 views

Grass gis - 3D data set interpolate to 3D raster

I have a dataset of 70,000 points and I would like to interpolate the properties as a 3D raster. I have created 'slices' of properties each meter of elevation in the model domain; approx: 200 slices. ...
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0answers
299 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?
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0answers
231 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 ...
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1answer
172 views

QGIS 3.4 and DEMto3D 2.3 Scaling Error

I'm having a scaling problem when using DEMto3D and extracting STL's for later manipulation. I have a merged TIFF file for Australia and am attempting to extract models of each state so I can print ...
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0answers
160 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 ...
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0answers
95 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 ...
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1answer
692 views

Mapbox GL JS - 3D Buildings - display only some buildings in 3D

I am using this example provided by mapbox gl js: Display buildings in 3D Now the problem is I only want to show some buildings in 3D. How can achieve this? I don't know where to find the source-...
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1answer
724 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 ...
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0answers
81 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 ...
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1answer
128 views

Seeking open source or free tool to open 3D Mesh GIS files?

I'm looking a way to open 3d Terrain Mesh files. I have four different folders with same 3d content , I'd like to open one of them : Cesium folder (with internal Tile folder, web.config, tileset....
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0answers
42 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, ...
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0answers
244 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....
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1answer
656 views

Creating 3D polygon roof from LiDAR data using FME?

I have LiDAR data of a building and would like to construct a 3D Model using FME 2016. The LiDAR data shows that the structure has sloped roofs with various other elements on the roof surface (e.g. ...
2
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0answers
465 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 ...
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2answers
592 views

Uploading 3D Buildings with Textures to ArcGIS Online

I'm doing a small project where I want to create 3D buildings from building footprints. I have acquired the heights of each building and have extruded them in ArcScene. Then I use Layer 3D to feature ...
3
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1answer
708 views

Convert gml to raster in QGIS

I have a dataset of type citygml (*.gml). It includes information about buildings and their rooftypes. you can find a sample file here: https://www.opengeodata.nrw.de/produkte/geobasis/3d-gm/3d-...
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0answers
848 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 ...
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5answers
2k views

Creating photogrametric point cloud of an object from distributed photographs, here: Making accurate 3D model of building using UAV imagery?

Is there a way of creating a photogrametric point cloud from a set of densly distributed photographs of an object? Application: I am trying to investigate if creating a 3D model (point cloud) of the ...
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0answers
178 views

How to apply texture on a 3D model using drone images with python? [closed]

I have generated a 3D model in .OBJ format using UAV (drone) images. But this model doesnt have texture so i want to have it textured using the original UAV images. And this should be done in python ...
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0answers
124 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) ...
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4answers
4k views

Assigning RGB values from Geotiff image to LiDAR data, using R

I have given a Geotiff image and its corresponding Lidar data (x,y,z) in UTM coordinates. I need to merge the Lidar data with the RGB values from the image. That means, at the end, I need to plot (...
6
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2answers
1k views

Looking for more realistic 3D terrain renderer than ESRI Arcscene

I am looking for simple suggestions of software packages that go beyond what ESRI ArcScene can offer. I want to create 3D terrain visualisations, particularly of orthophotos draped over high quality ...
2
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1answer
596 views

3d triangle roof house model in QGIS?

Hi, I know that the is a possibility to "build" 3d structures - or rather to visualize shapefiles in 3d - in QGIS. ie. a "reconstruction" of a redoubt I have created earlier Alhtough I have not found ...
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0answers
1k views

Is it possible to show 3d models using QGIS? [duplicate]

I can show vector layers from PostGIS using QGsMapCanvas and QGsVectorLayer in my standalone application. But now I need to show 3d models, for example 3dmax or sketchup, of some buildings over vector ...
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3answers
824 views

Is it possible to create floating/“flying” 3D objects in QGIS?

Is it possible with QGIS 2.14 and/or the Qgis2threejs-plugin to create 3d objects that don't "start" on the ground level (z=0), but are 3d objects "flying/floating" in the air? For example wind ...
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0answers
184 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 ...
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0answers
156 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, ...
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1answer
3k views

Free Digital Elevation (Terrain) Model of Europe or Germany

Is there any free (or not expensive) source of Digital elevation model of Europe or Germany with the resolution of 10 meters or better and vertical accuracy of +-5m or better?
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0answers
853 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 ...
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0answers
571 views

Importing 3D models/wireframes into QGIS [closed]

I was wondering if Qgis2threejs is able to import 3D models (wireframes in 3D dxf) from GoCad, Datamine or any other 3D modelling software? If not, is there any other plugins for QGIS that would be ...
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2answers
3k views

How geotiff converted to 3d model? [closed]

I have image .tiff (format geotiff). How I can convert the image to 3d model (terrain)? Blender or world machine can do it?
1
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1answer
396 views

How are Google 3D objects made in Google Earth now?

Since a few years, Google has stopped using SketchUp community Models to populate its 3D environment and switched to another technology. I'm wondering what GIS, LIDAR Image or 3D automatic method (it ...
3
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2answers
2k views

OpenLayers3 + Cesium add 3D Models

I created an Openlayers3 Bing map and then I converted to 3D view with Cesium. Is there a way to add a 3D Model on my 3D map?
3
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0answers
50 views

Creating measure tool that can be used on 3D model on ArcGIS Online? [closed]

I have a 3D-Point cloud model of a rock formation that I want to upload onto ArcGIS Online. Is there a way to create a tool for the web user to determine distance across the surface of the model, ...