Questions related to GIS objects that have three dimensions.

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6
votes
2answers
350 views

Creating Anaglyphs from Nadir Images

Has anyone made an anaglyph photo from Nadir geospatial data? I have found some excellent examples of making anaglyphs in GIMP from digital photography. I would like to do a similar process with ...
5
votes
1answer
149 views

Why are z-values replaced with zero after in_memory use in Python?

My script takes separate 3D feature classes, calculates a field, appends to a target feature class, and then deletes the originals. This is a huge data processing task of over 4700 mass point feature ...
5
votes
6answers
2k views

Open source/free software for generating a 3D view of mapping?

Is there any software that will generate a 3D view given a DTM/height data and raster mapping, and output an image in a printable resolution? I am looking for something similar to what you'd find in a ...
8
votes
1answer
368 views

Is it possible to add photo-realistic clouds in ArcGlobe animations?

This question asked about the best software to produce professional fly-through animations, and included a link to a nice video of the Grand Canyon. That video includes photo-realistic clouds in the ...
5
votes
3answers
3k views

3D visualisation with open source GIS software [closed]

I'm searching for QGIS (or other open source GIS software) tools that can analyse XYZ data. Also I'm interested to hear about if anyone have migrated to non commercial software regarding geological ...
1
vote
1answer
100 views

How to: script convertion from SRTM to 3D printable file?

Given a STRM3.tiff file as input. How to convert this STRM.tiff file into a 3D printable file ? which I may load into most 3D printers' sofwares. My objective is to print some terran, lunar, or ...
2
votes
0answers
109 views

Spatial Data with Unity

I was wondering if anyone has used spatial data as an input source to build 3D environments and interactive applications with Unity? The geospatial 3D world is very young, and some what immature, ...
4
votes
2answers
590 views

What are alternatives to ArcGIS for Desktop and Google Earth for these requirements?

I currently have a python script that will take in data and output it as a KMZ file, which I then open in Google Earth on my desktop. The data has two views; a 3D polygon tower (clustered data) and ...
13
votes
6answers
3k views

Looking for free program, similar to 3D Analyst, to visualize tree stands in 3D

Heyho, I want to make a 3D stand visualization of trees in a specific area. I need something similar in functionality to ArcGIS 3D Analyst, but I don't have a license for that plugin anymore. The ...
2
votes
1answer
478 views

How to create and visualize groundwater plume models?

My water department has asked me about visualization of groundwater plume models. I have no idea where to start. All the links refer me to Cameo/Aloha but these are for Atmospheric modeling as far as ...
7
votes
1answer
6k views

Is there are QGIS plugin to allow the 3d visualisation of geological borehole data similar to the 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 ...
0
votes
1answer
75 views

Raster to Surface

I have a raster and I have been asked to modify some pixel values in it. Is there an open source way to do this? I would guess that I have to create a 3d surface, then manipulate the surface, then ...
1
vote
2answers
249 views

how to build topology with 3d linestring in pgrouting

I have some 3d linestrings in postgis database, and I want to use pgrouting for calculating shortest path with Dijkstra. when I execute "select pgr_createTopology('route2', 0.000001, 'geo3d', 'id');" ...
6
votes
1answer
756 views

How do I convert a .dxf to a .shp containing a field with height information in QGIS?

I received two .dxf for my project that represent my area of interest. One of them contains buildings, the other one terrain elevation. They both are 3D. I can convert them to shapefiles successfully ...
1
vote
2answers
151 views

Digitizing map into three dimension?

Can somebody help me in making 3-dimensional map from 2-dimensional??some software reference or some tool which can do this. I know the height of the building and other aspects....
1
vote
1answer
220 views

What are use cases of Esri's CityEngine?

I would like to know the use cases of Esri's CityEngine, and what distinguish this tool from the other standard GIS like ArcMap and QGIS? and in which fields could be used ?
2
votes
1answer
71 views

Geoprocessing in 3D [closed]

I am looking for some advice regarding suitable software for geoprocessing in three dimensions. Specifically, I need to regularly undertake the following tasks: Intersect a line with a surface and ...
1
vote
1answer
415 views

3D Polygon Layer Stack with QGIS

I was curious if there is a way, or plugin to visualize a 3D polygon layer stack in QGIS (or another open source package). I have looked at NViz, but it only seems to work for rasters. I have a ...
8
votes
1answer
1k views

PostGIS 3D in Action

I was wondering if there is a website that showcases Openlayers and PostGIS 3D in Action
1
vote
1answer
141 views

ArcScene does not update z value after edit

I measured a feature with x, y, z coordinates. It's the green point cloud below When I vied the points in Arscene, there was a known measurement error that I had fixed by adding 1.6 m to the Z ...
1
vote
0answers
77 views

Split 3D line feature at vertices based on slope change

I've already asked a question about this subject, but now I think I'm almost getting to the point. I have to split roads in ramps to calculate LS factor (RUSLE - soil erosion) These are the steps ...
2
votes
2answers
374 views

How to accurately place geographic object into photo?

My task is to create before/after photo visualization of a wind turbine which is planned to build. A photo is taken from a point of known coordinates, and coordinates of a turbine are also known. How ...
3
votes
2answers
806 views

Is it possible to give 2d contours a Z-height from their attribute table in QGIS? (Or ArcGIS?)

I have a contour data file downloaded from UK Ordnance Survey, which gives 2d contours of an area in gml format (also supplied in .shp format) with the heights of each contour attached to the ...
1
vote
2answers
684 views

Creating a 3D line feature based on 3D point features

In ArcGIS for Desktop 10.0, is it possible to create a 3D line feature by drawing a line that connects 3D point features?
2
votes
0answers
100 views

How can I create planar slices of a 3D object to quantify voids?

We are trying to quantify the void space in a 3D object, very similar to measuring the holes in cube of swiss cheese. I need to measure cross sectional areas and study the shape of the voids and we ...
0
votes
2answers
137 views

Using 3D Raster Domain to get polygon of raster - but stripping Z and M values

I'm trying to convert a number of large, floating point rasters into polygons so I can view overlaps etc. I've been using 3D Raster Domain sucessfully to do this. The only problem is that the polygons ...
2
votes
1answer
246 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 ...
-1
votes
1answer
620 views

How to convert 2D Map to Flat map like in google? [duplicate]

My requirement is shown below by maps. Map 1--My Map Map 2--I required I am using GeoServer v2.2(for publishing the map) and OpenLayers v2.11(to display the map). According to my client ...
3
votes
2answers
387 views

Is there a world projection that looks like a 3D globe?

I would like to try and show data such that it appears as if it was on google earth. For example, in this case, the view of the earth is circular-like and the data shown curves around. Are there any ...
7
votes
2answers
333 views

Practical Building Extraction Algorithm Implementation

I've been reading many papers over 3D building extraction using LiDAR data and Aerial images. I see that there are many different algorithms for doing such things, such as this and this. Those ...
1
vote
1answer
153 views

create POV-Ray image from DEM-file in grass

I am working on r.out.pov Tool of grass 6.4 creating a POV-ray(beautiful 3D) image from an elevation raster. You can see this link for more information about 3D analysis of GRASS. r.out.pov manual ...
1
vote
1answer
52 views

3D WebPortal for a large amount of data

I am looking to create a 3D WebPortal for my client. My organisation has ArcGIS for Server so we would be looking for the easiest way to deploy using this (although open to other suggestions). There ...
4
votes
3answers
4k views

How to create 3D globe view with OpenLayers?

I want to create 3D view. and I am using OpenLayers. Is it Possible?
6
votes
4answers
942 views

Does anyone know of a good unaffiliated review of Rockworks?

I've been struggling to find a good software package for drillhole data management, subsurface geology modelling, and visualization (both 2D and 3D): something that can also be used to produce ...
1
vote
1answer
406 views

ArcScene3D layer rendering problem [duplicate]

I'm having problem with ArcScene. I'm doing a project on the visual impact of felling areas of forest in locations regularly visited/used by people. I have viewpoints and have created a TIN model ...
4
votes
1answer
265 views

Exporting 3D geometry from PostGIS 2.0

I have a table containing 3D geometry in a PostGIS 2.0 database (the geometry is of type LINESTRING Z). I need to get the geometry out and into a DXF, DGN or 3D Shapefile. What is the easiest way to ...
1
vote
0answers
169 views

cut/fill calculation tool to investigate if there is enough material to achieve a 30 degree slope

This is a cut/fill problem. We have pits that have been dug in the ground, usually rectangular. They have a bund wall around them. They are being rehabilitated by pushing the bund back into the pit. ...
1
vote
2answers
485 views

Convert 3D WKT to 2D Shapely Geometry

I have the WKT of many linestrings which contains three dimensions, however my script only requires a two dimensional linestring and I therefore want to discard the third dimension. My current code, ...
2
votes
0answers
285 views

3D features (Polyline, Polygon) intersection library

For my research I am looking for a (python) library to get the intersection of some 3D features. The features can be Polygons or Polylines. Mostly I need to intersect a plane with my features and get ...
0
votes
1answer
108 views

Problem with interpolation of 3D points in GRASS

I have a sample of 3D points (x,y,z) with tepmerature attribute. I can import my data as a 3D vector map. I want to create a volume of voxels by using v.vol.rst. When I use this module, this error ...
3
votes
2answers
3k views

“Hardclip” a TIN

How do you go about hardclipping a TIN in Arc10? Previously there was a modify TIN tool, but I cannot seem to find it. So my question remains, how do I go about clipping a TIN with a polygon layer?
0
votes
0answers
84 views

unable to insert newline and spaces in textelement in java

i am working in arcgis desktop with eclipse in java. i have created a textsymbol and added it to a textelement which i need to add on another layer(the model is a 3Dglobe and not a map). i am able to ...
2
votes
0answers
219 views

Incorporating known GPS/INS data to automatically produce geo-registered 3D models

I am trying to reconstruct a 3D building model from 2D video frames using an open-source Structure-From-Motion(SFM) software (Bundler). The final reconstructed 3D model will be in Cartesian ...
4
votes
0answers
496 views

How to digitize directional drilholes from scanned vertical sections? [duplicate]

I need an advice how to do this. Normally, I either receive a file containing drill holes or at least data with xy position, direction, depths and attributes. I then use this data for further ...
2
votes
0answers
154 views

3d arcgis raster .tiff image to CFD software

i am trying to export 3d raster image prepared in arcgis to cfd package such as Fluent. I was wondering if any one has experience to convert raster image to autocad 3d format, stl, vrml or any other ...
0
votes
1answer
436 views

Creating 3D lines from 3D points

Can you tell me the procedure in ArcGIS 9.3 to create 3D lines which connect the 3D points using the elevation of the points. For example, if pointA has 20 elevation and pointB has 30, then the line ...
1
vote
1answer
671 views

Shapefile to X3D

Does anyone know of an effective workflow to convert 3d-enabled shapefiles to X3D format? I have several projects containing anywhere from 10 to 5000 features (building sections) that I would like to ...
3
votes
2answers
1k views

Georeferenced 3D Model Import

How can we open a 3D MAX File(3D Building model with exterior and interior elements)in Autodesk Infrastructure/LandXplorer or ESRI CityEngine? How can we georeference a 3D vector building model?
3
votes
3answers
534 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 ...
2
votes
0answers
2k views

Simulate flood to assess Asset inundation footprints

I am trying to evaluate a number of flood gauges to assess at what levels of river height different flood risks would need to be issued. The gauges are currently set to warn of flood a couple of ...