Questions tagged [3d-model]

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

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2 votes
0 answers
610 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 ...
1 vote
0 answers
356 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 ...
1 vote
1 answer
525 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 ...
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2 votes
2 answers
8k 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?
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3 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 ...
3 votes
0 answers
58 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, ...
1 vote
1 answer
229 views

Uploading finished model to WebGIS?

A thing bugging me at the moment is the lack of information on the possibility of finishing a point cloud based 3D model in a desktop software(e.g. Solidworks, Geomagic Design), exporting it in a ...
1 vote
1 answer
215 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 ...
5 votes
1 answer
225 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 ...
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3 votes
2 answers
3k 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 votes
2 answers
717 views

Rasterizing vector layer with PostGIS?

I have a vector layer with 2498 features (houses) that I want to rasterize/produce a raster image from but can't figure out how: Column MARK_Z = is Meters above see-level for the base of each house ...
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2 votes
3 answers
2k 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 ...
3 votes
2 answers
120 views

True non-projected 3D grid world modeling

I did a search on this but I did not find anything much relevant yet. I was wondering how come there is no GIS software that would take a sufficiently accurate 3D surface model of the world (such as ...
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2 votes
1 answer
583 views

Geographic coordinate systems on 2D screens

I know that a geographic coordinate systems are inherently three dimensional, while they are usually represented by two coordinates (lat and long) because the height is about the same across the ...
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1 vote
1 answer
612 views

Differences between capabilities of QGIS and ArcGIS in 3D modeling [closed]

I am learning to use QGIS and ArcGIS for Desktop. What are the differences between the capabilities of QGIS and ArcGIS in term of processing & representing 3D model?
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1 vote
0 answers
987 views

Creating 3D interactive model from lidar data using ArcGIS for Desktop? [duplicate]

I have a couple of las files for a city and I need to make a 3D model of the buildings, which should display info about the building when clicked on. I am pretty new to ArcGIS so I don't have the best ...
3 votes
1 answer
850 views

Line Layer seems to be floating and shifted after adding terrain effect in Cesium

I had made add a line layer using cesium. In which i had added a terrain effect using the standard cesium terrain provider as below var dataSource1 = new Cesium.GeoJsonDataSource(); var roads = ...
  • 2,906
3 votes
0 answers
649 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 ...
  • 191
12 votes
5 answers
4k 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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1 vote
1 answer
2k views

3D OSM buildings seems to be floating and shifted after adding terrain effect in Cesium

I had made a 3D view of the osm buildings using cesium. In which i had added a terrain effect using the standard cesium terrain provider as below var viewer = new Cesium.Viewer('cesiumContainer'); ...
  • 2,906
1 vote
1 answer
74 views

Can targets placed on the facades of a building be used to increase the accuracy of a point cloud of a building generated from Drone/UAV/UAS imagery?

Can targets (used for registering point clouds) mounted on a building be used to increase the accuracy of a point cloud generated from UAV imagery?
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8 votes
2 answers
8k views

Viewing a geojson as 3D in cesium

I have a geojson with height informations in it. I tried adding the geojson to the scene using var viewer = new Cesium.Viewer('cesiumContainer', { sceneMode : Cesium.SceneMode.SCENE3D, timeline : ...
  • 2,906
0 votes
1 answer
315 views

City engine web scene (large model)

I have a tag bit of a problem I made a 3d model of a city (about 21000 models) and using the city engine web scene viewer from Esri is slow and eats up a lot of resources unfortunately (and I'm ...
4 votes
3 answers
1k views

What is the difference between DEM data sources?

I have started experimenting creating basic 3D elevation models in QGIS recently. It turned out for me that there are several free sources of DEMs, like USGS's EarthExplorer, CGIAR-CSI's Digital ...
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1 vote
1 answer
7k 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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6 votes
2 answers
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 ...
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1 vote
1 answer
61 views

Is it possible to use ArcGIS to define a boundary around a self-constructed 3D feature?

I am creating a 3D rendering of a future building and would like to know the distance from which this building would be visible from. Is it possible to use ArcGIS to define a boundary that delineates ...
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2 votes
0 answers
424 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 ...
1 vote
1 answer
1k views

How to add 3D features in Online ArcGIS (Story Map)

How to add 3D features in Online ArcGIS (Story Map) - I created the 3D layers / features using ArcMap Desktop and ArcScene I'm a student and a newbie looking for detailed information.
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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 ...
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1 vote
0 answers
200 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, ...
2 votes
2 answers
229 views

3D queryable GIS

I've used GIS for many years, and now I'm moving into 3D GIS, but I have some questions. Say I have a 3D model of a viliage, I can get this into Blender, but I want to be able to run GIS type queries....
2 votes
1 answer
137 views

Is it possible to export 3D model data from SimUrban?

Today I came across a 3D modelling package I haven't seen before - SimUrban. The client wants to migrate their SimUrban project to a more modern system, and the provider who built it is no longer in ...
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1 vote
0 answers
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 ...
2 votes
0 answers
395 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 ...
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1 vote
1 answer
397 views

3D Symbology for a Model Farm in ArcScene

I am working on visualization of a model farm I have developed consisting of various types of grazing land, cropping areas and other. As I have constructed it myself, I don't have an image with it for ...
1 vote
0 answers
788 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 ...
10 votes
4 answers
5k 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 (...
4 votes
2 answers
9k views

3d print an area from Google Earth

Is it possible to extract all 3d data (terrain + objects: buildings, vegetation, landmarks, etc.) from Google Earth in an easy way and 3d print it? I found tutorials about extracting the terrain ...
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7 votes
2 answers
2k views

Help with Draping an Image over a TIN in FME for viewing in MeshLab or Similar

I'm using FME to generate a TIN from a LiDAR point cloud, and everything is working except for draping an image over the resulting TIN. I've read all the FME help pages, and checked out the examples ...
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2 votes
0 answers
488 views

LiDAR point cloud to 3D model of street [duplicate]

I am looking for a way to convert point cloud collected through a Riegl LiDAR scanner to a perfect 3D model of a town. The sample data is from vehicle mounted scanner, but final data is going to be ...
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3 votes
0 answers
199 views

Questions about SRTM , .hgt format and the sea level/coastline [closed]

What a nice place here ! The questions/answers system is very elegant. I have read and get some useful informations allowing me to write a little .hgt reader... I am working on C.G.I and create 3d ...
2 votes
1 answer
391 views

How to make a 3d visualisation of different peat layer to show the height of each layer?

I have bore hole point data that has about 5 to 7 types of peat layer and also has several depths. I also have digital elevation data of the area. I need to interpolate these layers separately, then ...
2 votes
1 answer
333 views

3D model of rooftops based on LiDAR and cadastral data?

I´m trying to model building rooftops based on a LiDAR dataset. I've already interpolated using Delaunay's triangulation a DEM with 1 meter resolution. Due to LiDAR data is not accurate in building ...
3 votes
5 answers
7k 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 ...
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1 vote
1 answer
3k views

Import SketchUp created KML contour lines model to QGIS

There's a neat trick to create contour lines based on the GE 3D terrain using Sketch-Up. The resulting KML however is a model I have looked at ways of importing KML layers to QGIS, like it was ...
  • 8,456
1 vote
0 answers
104 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 ...
2 votes
1 answer
5k views

How can I import AutoCAD 3D solids into ArcGIS?

I have an AutoCAD drawing that contains contours and 3D solids. I am able to import the contours (which i don't need) but not the 3D solids (which I do need). I understand ArcGIS does not support ...
3 votes
1 answer
1k views

Create an animation that rotates around an central axis

I am looking to create an animation of a 3D model. I want the model to be the central object in the animation, so rotating around the model, always looking at the model. I am wondering what is the ...
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