Questions related to GIS objects that have three dimensions.

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2
votes
1answer
364 views

Cesium JS Line Length

Is there a method to return the length of a Cesium JS polyline, in real-world units? For example, if I create a polyline: var orangeOutlined = viewer.entities.add({ name : 'Orange line with ...
-3
votes
2answers
221 views

Creating 3D polyline in ArcGIS for Desktop?

I have a csv file containing a breakline points' coordinates and their elevation. How can I create a 3d polyline from these points? The CSV file looks like this: X Y z ...
1
vote
1answer
64 views

what is result from cut fill operation?

A calculate volume of lake from rasters with cut fill tools. I got a result and i dont know what is right result. In the table are two collums COUNT and VOLUME maybe i have to count multiply volume ...
7
votes
1answer
161 views

Georeference raster in non horizontal plane

We have raster data which is generated from (vertical) walls. We would like to keep this data in a postgis database and have the spatial reference encoded "the most accurate way". Currently, they are ...
0
votes
1answer
78 views

3D map with OSM2World

I want to create a 3d map and have found the osm2world converter. But i do not understand whether I can use it to convert the whole world map from 2d to 3d, for example on 17th and 18th zoom levels, ...
0
votes
0answers
28 views

Meaning of zero in fromxy/toxy of ArcGIS Near 3D tool?

I am using ArcGIS 10.2 for Desktop. I am running the near tool for points with different attributes. Many are in the same location, so I would expect the Near_DIST3 to be zero and the location of the ...
0
votes
0answers
142 views

Details about Google Maps 3D / Google Earth 3D Switzerland

Are there any information/publication about Google Maps 3D / Google Earth 3D Switzerland? Like which databases resolution and source of DEM (laser-scan or photogrammetry) resolution and source ...
0
votes
3answers
1k views

Why is my DEM in ArcScene flat, not 3D?

I am working with Digital Elevation Models in format TIFF 2km * 2km. As far as I know DEMs should have a 3d function but in my case the DEMs are flat. They only look 3d because of the hill shading. ...
1
vote
1answer
101 views

Converting DTM data to STL?

I'm new here and was wondering if anyone could help? I'm looking to make some 3D maps using DTM data but need to convert it into .STL format for my MasterCAM to read so that I can generate the CAD ...
1
vote
0answers
55 views

Conversion from .shp to .dxf in one unified layer

I am trying to make a 3D .dxf out of a 2D shapefile for several hundred buildings. Doing this in one fell swoop is proving to be a roadblock. In ArcScene, I extruded building heights for maybe two ...
1
vote
1answer
38 views

Setting final orientation of polygons in CityGML model

I am converting shapefile model of buildings in LoD2 to CityGML. In CityGML really matter about poylgon orientation(Countercloskwise can be seen from outside, Clockwise from inside). I have problem ...
0
votes
1answer
152 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.
1
vote
0answers
39 views

Is it possible to render several DEMs simulatneously with QGIS2threejs?

I'd like to know if anyone knows a way of including several DEMs in one representation using QGIS2threejs. If I have two separate DEMs, each representing one modeled surface, both from the same ...
2
votes
1answer
224 views

GeoJSON: PolyhedralSurface geometry type not supported

I am trying to make a 3D web application which should be able to render 3D buildings (I will be using Cesium, but that is not that important for now). I basically have a database consisting of the 2D ...
1
vote
0answers
60 views

How to get azimuth and altitude from a 3D surface in PostGIS?

I would like to know the azimuth and tilt of a polygon / surface in a PostGIS database. The azimuth should be given e.g. from 0° to 360° degrees. The altitude should be between 0° to 90°. An example ...
0
votes
1answer
118 views

Remove 3D geometry in shapefile using OGR

I have a series of shapefiles, that have 3D geometries (ie: points ZM). I would like to remove the 3D geometry so that the files are 2D. Is there a way to remove 3D geometry from a shapefile using OGR?...
1
vote
1answer
205 views

Cesium: Failed to obtain image tile X : 0 Y : 0 Level : 0

I'm trying to make a Cesium-based 3D web-viewer. At the moment I'm stuck with an error. Let me describe the situation: I have a PostGIS database, containing the 3D geometry of a building (which I ...
0
votes
0answers
32 views

Pulling the building from ground to roof

I use Microstation v8. I have to make a building (solid) from existing property register (on the base level) cut on the top by the roof (which I have already). To sum up - I own the property register (...
1
vote
0answers
37 views

Converting 3d images in meters to feet when exported to dxf

In QGIS 2.10, I am using the raster calculator to convert a metric elevated raster to feet and then create 2 foot contours (no problem). But when I dxf it out and put it in CAD, I can get the contours ...
2
votes
0answers
54 views

3D model to DEM, maintain volume?

Bit of a challenge here which I've been grappling with for some time. I'll explain my full work flow so you can reproduce if needed. I'm creating virtual landscapes in Google SketchUp which I ...
1
vote
2answers
186 views

Can QGIS import Multipatch geometry type?

can QGIS import multipatch 3d geometry type? What is the data structure of multipatch how computer record and draws it ? Is it solid or not??
5
votes
1answer
389 views

Contour lines with imported shape file using Blender GIS - wrong Z values

I've been making experiments with Blender GIS and QGIS. I'm having problems when importing Shapefiles with contour lines, with a field for elevation (ELEVATION FROM FIELD selected when importing). I'...
0
votes
0answers
44 views

How to get a mercator projection from a “disk photo”

I'd like to build a real 3d globe of Pluto using latest images made available from New Horizons. I know how to convert a mercator projection into a "12-gores" projection, suitable to be glued over a ...
0
votes
0answers
17 views

Arrangement of vectors and matrix in text file?

My ASCII file has a vector of latitudes, and the indices of those latitude values tie latitude values to the data sharing the same index. That is, if given: latitude[x=0,1,2,3] = 10, 20, 30, 40 ...
1
vote
0answers
146 views

How mix 3D Data from Google Map and one's 3D object?

Is it possible to add some 3D object in the 3D maps from Google ? Which tools should I use (never used 3D modelling tools but I'm motivated :) Here is the picture that triggered my question :
1
vote
0answers
57 views

How do I extract building elevation values from Multipatch GDB

I have a GDB Multipatch Buildings layer that I open with ArcScene or ArcGlobe. I want to extract building elevation values, but this is not stored in the attribute table. I can run a "Add Z ...
2
votes
0answers
94 views

How to create isometric 3D map with postgis

I am looking for a way to create isometric 3D maps based on data stored in a PostGIS database. My idea is to create a PostGIS function that will return a SVG image like the one below. It is easy to ...
0
votes
1answer
49 views

What Story Maps support replacing the map with a 3D scene?

I am currently creating story maps to be able to display a 3D scene to users and I am trying to decide which layout works best. Right now I have run into an issue where only certain story maps will ...
1
vote
1answer
65 views

Donut polygons getting filled when exporting to 3d Web Scene

I have built a model using ArcScene by draping 2D polygon data over an elevation raster and am having issues when using the Export to 3D Web Scene tool. The tool builds the model successfully, but ...
2
votes
2answers
124 views

Exporting from NVIZ

I need to export a 3d model made from a DEM with a satellite photo draped over it. I'm using qGIS 2.8.2 and NVIZ, and am having a few problems. 1) How do I get a full colour image draped over a DEM ...
2
votes
0answers
83 views

Creating a 3D model of airspace that I can interrogate to see if some other feature (like a tree) will intrude into the airspace

The goal is to create a 3D model of imaginary planes in space that I can interrogate to see where other objects in the vicinity of the model cut through any part of that plane. For example, an ...
1
vote
1answer
305 views

Elevation data from 3D shapefile of buildings to raster DEM

I have acquired LoD2 building models in the 3DShape format (Polygon ZM). This LoD2 data needs to be prepared for a R-script of solar irradiation calculations on roof surfaces, but which can only ...
2
votes
0answers
323 views

ArcGIS - multipatch and surface

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 ...
0
votes
2answers
144 views

3D equivalent to ArcGIS API?

I am currently working on a 3D mapping project. And I have created some KML files from ArcGIS Online, and I have edited them in Google Earth to adjust the 3D attributes. I am also designing a webpage ...
1
vote
0answers
66 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
2answers
75 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....
3
votes
1answer
69 views

How to create 3D boxes within a KML file without ground contact?

I'm actually trying to visualize the output of an atmospheric model within Google Earth using a KML file. The model is divided into several 2.5 x 2.5 x 2.5 km boxes and each box should get a color ...
5
votes
1answer
853 views

3D geological model from cross sections, preferably using Open Source software

I work with engineering geology, and my workflow includes making many cross sections of a given site, with data from maps, fieldwork (outcrops) and boreholes. What I'm looking for is a way of taking ...
0
votes
1answer
202 views

pgRouting with multiple floors [duplicate]

Hoping I might get some help with indoor multi-floor routing using pgRouting. At the moment, I have a dummy network system created to analyze shortest routes between locations with the results served ...
0
votes
1answer
122 views

ArcMap 3D profile graph gives a level line

ArcMap's Profile Graph in 3D analyst works great for drawing a line on the map and seeing the profile. I am doing this part easily; single segments, multiple segments it works fine. However, it is ...
1
vote
1answer
425 views

Issue with Cesium Terrain Provider

Even after adding blank terrain files at the specific directories : 0/1/ and 0/0/, I still get the error message and a blank globe. This is not an issue with CORS. I am using http-server (node) to ...
1
vote
1answer
65 views

How to store binary data referenced by 3D coordinates (xyz)?

I would like to store huge amounts of voxels (3D cubes with color and some other values) in a gis database. Does someone can recommend a database (indexing) system, where I can store binary data (a ...
1
vote
2answers
329 views

Unable to serve Cesium Terrain files

I am trying to generate 3d Terrain. I am serving the terrain files at localhost:8081 Here is the Cesium Code var viewer = new Cesium.Viewer('cesiumContainer', { baseLayerPicker : false, ...
1
vote
0answers
35 views

How to load VRML data into CityEngine

I can't see whether Esri CityEngine supports VRML files directly, or how to load them if they're not supported (the online materials are more marketing-focussed than technical). Is there a ...
2
votes
1answer
46 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 ...
1
vote
1answer
325 views

Does ol3-cesium accept DEM files?

I'm using OpenLayers 3.6.0. I want to use ol3-cesium. Ol3-cesium use cesium for glob visualization. I have a question: In ol3-cesium, Can I see Ups and downs of land? In other words Does it accept ...
2
votes
1answer
206 views

Visualizing Tunnel mapping with ArcGIS

I have a cluod point of a tunnel from indoor laser scanner. Are ther any features to create nice 3d simulation / visualisation / animation of it that will includ grid at surface like in the attached ...
1
vote
2answers
289 views

Cross-platform 3D mapping solutions

I am a new software developer who created an application at my work that continually displays content on the Google Earth desktop application using KML. My work now would like a mobile solution to my ...
1
vote
1answer
87 views

PostGIS 3D bounding box query that envolves all 3 axes (xyz)

I have some experience with PostgreSQL, but not with PostGIS, and for the life of me I can't make my bounding box take the Z axis into account. I have a points table with XYZ columns. I add another ...
3
votes
1answer
138 views

Postgis query on 3D cube does not use index

I am testing Postgis on the follow query: SELECT * FROM particles WHERE position &&& 'LINESTRING(0.08537 0.0738 0.0145,0.0953 0.0837 0.0345)'; that returns about 100k rows from a ...