Questions related to GIS objects that have three dimensions.

learn more… | top users | synonyms

0
votes
2answers
28 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 ...
3
votes
1answer
257 views

How to compute average slope and area-weighted average slope?

I am learning GIS for use in hydrologic analysis. Related to computation of overland flow there are two types of slope that I would like to be able to obtain from GIS. The first is average slope for ...
1
vote
1answer
17 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 ...
1
vote
1answer
173 views

What KML features are suitable to display 3D atmospheric density data using Google Earth?

I wish to use Google Earth to visualise and explore 3D atmospheric density data. In my case it is ionospheric electron density, which is a niche area, but I can imagine this might have been done by ...
1
vote
4answers
2k views

export 3D data dxf file

I'm trying to export a DXF file from Qgis1.8.0 Lisboa and can not have a 3Dfile in Autocad! Or micristation. It results always in 2D file. How can I export height data from a shape file in Qgis? ...
2
votes
2answers
31 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 ...
0
votes
0answers
32 views

3D without elevation

I'm using ArcGis 10.1 So here is the problem.. I generated an DTM image as a 3D model and I added up ditigized road network data to it which doesn't have any height information to it. My question ...
2
votes
0answers
24 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 ...
4
votes
3answers
177 views

3d vector and geometry operations in open-source GIS

There is some really good open-source software available to work with 2D vectors. For example QGIS has operations like buffer / clip / dissolve / select by location / join attributes by location... ...
2
votes
0answers
35 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 ...
1
vote
0answers
29 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 ...
3
votes
3answers
2k views

Displaying latest satellite images and adding shapefiles on globes other than Google Earth?

Are there alternatives to Google Earth that will display the latest satellite images and can add pinpoints and are relatively intuitive? It would be nice if I could possibly add shapefiles on top of ...
2
votes
1answer
296 views

Polyline ZM: automatic vertex height errors correction

Paolo I've got many rivers (polylines ZM) with a lot of height errors in Polylines 'vertices. Vertices' Z errors are not all equal in height (i.e. they are not all at zero height). I must create a TIN ...
1
vote
0answers
14 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, ...
3
votes
1answer
13 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 ...
2
votes
2answers
28 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 ...
2
votes
0answers
56 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 ...
7
votes
1answer
7k views

Is there QGIS plugin to allow 3d visualisation of geological borehole data similar to functionality of Target for ArcGIS?

I'm very new to QGIS, I have started using it as my new company is not willing to pay for ArcGIS and Target at this stage so I'm hoping QGIS can substitute not just in the interim but for good. What ...
5
votes
1answer
87 views

Can I identify if a point is inside a volume in PostGIS?

We are currently investigating PostGIS as an option to look up three-dimensional blocks which contain a point (and later also lines). At this point in time I cannot see any functionality that operates ...
1
vote
3answers
578 views

Importing MaxSea 3D Database to PostGIS

I am currently working on a project, where I combine several MaxSea 3D databases, which contain depth measurements made by the echosounder onboard on a ship. The idea is to combine these databases to ...
0
votes
1answer
35 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 ...
4
votes
1answer
1k views

TIN Creation from 3D Contour File

I'm currently trying to import a 3D contour file into a QGIS project. How can I export the DXF file from Microstation with height information? I already have imported it to the QGIS project but ...
0
votes
1answer
39 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 ...
2
votes
1answer
893 views

What are nodes in ArcGIS and how do you create them?

I want to create a elevation profile of a cross section so a polyline on ArcGIS. I wanted to regularly space around 1000 points per 1700m long xsection and extract elevation data for each node/point ...
6
votes
3answers
1k views

Render the PostGIS OSM data in 3d?

I wonder is there any open-source application that can query a PostGIS-enabled database and render the resulting OSM map in 3d. The only thing I have found so far is Navit, but it renders only from ...
0
votes
1answer
22 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 ...
19
votes
3answers
7k views

Which software to use to create professional fly-over/ fly-through animations?

I will need to create a high quality fly-over animation which penetrates the surfaces and reveals subsurface geology. The intended use is for demonstrations, presentations and a company website so it ...
2
votes
1answer
195 views

iPhone app to record 3D location information

Does anyone know of an app that would run on an iPhone or iTouch that would record the X,Y and Z information from an external GPS? I am using a Dual XGPS150 Bluetooth receiver. The GPS will record ...
6
votes
2answers
222 views

How to sample a 3D raster along a 3D path (or 4D raster along 4D path)?

I have a 3d raster dataset of atmospheric variables (lat x lon x altitude). I would like to sample this raster dataset along a 3d path. Any idea how I can achieve this, preferable with qgis or ...
0
votes
1answer
38 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 ...
0
votes
1answer
46 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, ...
2
votes
1answer
25 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
0answers
16 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 ...
0
votes
1answer
74 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 ...
0
votes
0answers
31 views

Visualizing Space-Time-Cube netCDF file in ArcMap 10.3

I just created a netCDF file containing a Space-Time-Cube with 353 time steps using the new "Space-Time" Toolbox in ArcMap 10.3 However it seems, that only ArcGIS Pro can visualize this netCDF file ...
1
vote
1answer
43 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 ...
2
votes
1answer
57 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 ...
0
votes
2answers
28 views

Can scene have mode switched between Global and Local in ArcGIS Pro?

From its online help: ArcGIS Pro includes two viewing modes for scenes: Global mode—This is used for large extent, real-world content where the curvature of the earth is an important ...
3
votes
1answer
47 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 ...
2
votes
2answers
271 views

3D KNN index in PostGIS

I am looking for a way to do fast KNN queries on a dataset of 10+ million 3D points (and growing). I was hoping PostGIS would do the trick with its new <-> and <#> operators, but they don't seem ...
3
votes
1answer
138 views

Qgis2Threejs returns empty page

When i try to make 3D scene from DEM with Qgis2threejs it creates a empty html page. I also try to make 3D thematic map from shapefile with the same result. I have also check my browser and it ...
0
votes
0answers
46 views

GIS Wireframe into SketchUp

There used to be a plugin that allowed GIS data (.shp file) to be exported and then opened in SketchUp. This plugin no longer exists. I have wireframe data of buildings that is 3D in ArcGIS that I ...
0
votes
1answer
55 views

Extruding a 3D stack of polygons on top of a map, e.g. with KML

I have data for the composition of rock layers in several polygons on earth. I would like to plot a stacked chart of the rock layers, colored based on layer metadata. Here's a mockup, where rock ...
3
votes
3answers
588 views

Visualization of a big graph in 3D from postgresql/postgis

We have a graph in 3D in a PostgreSQL/PostGIS database. It contains something like 50'000 edges and 50'000 vertices, with x-y coordinates and floors. We would like to visualize this graph with ...
0
votes
1answer
35 views

Rasterizing a simple sloped line

I am aware how to rasterize a 2D line, but if I have two coordinate triplicates (x1,y1,z1) and (x2,y2,z2), how can I efficiently rasterize the resulting connecting line such that the raster cell ...
1
vote
2answers
820 views

Is there a way to get Z value from 3D multipoint shapefile in QGIS?

Is there a way to get Z value/height/altitude from 3D multipoint shapefile in QGIS? All I found is way through SpatiaLite or PostGIS as explained here: ...
2
votes
1answer
37 views

How to set feature vertex Z from an intersecting feature's Z?

In ArcGIS how can I set the Z values of the portion of a line that intersects another line to the Z values from the other line? A batch process is preferred. I tried FeatureToLine, but the null ...
0
votes
1answer
80 views

Is it possible to show 3d models using QGIS?

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 ...
1
vote
1answer
90 views

Creating an irregular points grid — one with regular along-slope distances [closed]

I am currently using QGIS to try and prepare a series of equally spaced -- along the terrain slopes -- sampling points within various NVC (National Vegetation Classification) sites in the UK. I am ...
2
votes
2answers
623 views

How to import a 3D DXF file into QGIS with z information as attribute value?

I have a dxf file of 3d contours. after import it does have only layer,x,y attribute and doesn't have Z attribute. how can I provide Z attribute to create a TIN file.