3D is an object that has three dimensions.

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3
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3answers
389 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 ...
3
votes
2answers
272 views

GOCAD and SKUA 3D Models Online

I am looking to build a 3D Web Mapping Application using data/projects initially created within GOCAD and SKUA. We currently use ArcServer 10. Initial looking around online has suggested that I could ...
3
votes
1answer
2k views

How to draw a cross section in QGIS

Given my enthusiasm for QGIS, does anyone have a simple workflow for drawing cross sections of earth features? My thing is that QGIS is being used to present the plan view, but we have a little ...
3
votes
1answer
61 views

How can I add 3 axis orientation information to my photos?

I have a survey project where I need to record not only the location, but the direction (bearing and angle of elevation/depression) that the camera was pointing at the time the picture was taken. ...
3
votes
1answer
864 views

Can I create a 3D model in QGIS or is there some model for 3D city model?

Can I create a 3D model in QGIS or is there some model for 3D city models? I need these information for my project.
3
votes
1answer
3k views

Displaying z-values in arcscene

Probably there is a very simple solution to my problem - I just can't find one! I have a point shapefile with x, y and z data - I can display it in arcscene but it is flat - the z data isn't being ...
3
votes
1answer
301 views

Displaying 3D subsoil models in ArcScene

I was wondering if anybody had any ideas on how to display a 3D subsoil model in arcscene? The data we will have will be exported from rockworks in point form - and then we need to convert it to - ...
3
votes
0answers
360 views

Can I intersect (slice) a multipatch geometry and obtain the perimeter line of the intersection as a result?

Can I intersect (slice) a multipatch geometry with a vertical polygon (or an extruded line) to obtain the perimeter line of the intersection? (or better yet a polygon) I am creating fairly complex ...
3
votes
0answers
162 views

Three Dimensional Routing Input Location Errors and Questions, ArcGIS10

I am having a bit of a problem with my three dimensional route solving. I am creating an interior building network, and ideally would be routing from room to room. I created a line feature class, with ...
2
votes
2answers
228 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 ...
2
votes
2answers
375 views

Options for displaying 3D data using ESRI web APIs [duplicate]

I've been looking through the documentation of the various ESRI web APIs to see if there is any support for displaying 3D data, but haven't found anything useful. Is there any support for this - or do ...
2
votes
1answer
42 views

ST_ZMax() does not exist in PostGIS

I'm trying to follow this example on Mapbox blog, about using 3D shapes in PostGIS. The database-query is this: DROP TABLE tilemill_buildings; CREATE TABLE tilemill_buildings AS SELECT ogc_fid, ...
2
votes
2answers
151 views

How to increase resolution of 3D image in GRASS NVIZ

I am trying to make 3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS. I have been able to import both the DTM and the orthophoto in NVIZ window and successfully draped the ...
2
votes
1answer
260 views

NEAR_3D function without the need for 3D Analyst, Arcpy

I am looking for a python script which would do similar as the ArcGIS 3D Analyst NEAR_3D function. Basically I would like to programatically in python find nearest points of one point feature class ...
2
votes
3answers
2k views

Display 3d building using OpenLayers

Is there any way to display a 3d building model as a layer under OpenLayers ? i have the building models drawn using Google sketchup , is that useful ?
2
votes
3answers
577 views

3D map with latitude and longitude

I have a 3D map with latitude and longitude details. Is there a way I can take a 2D image (a png image) from 3D model in such a way that my 2D image also have the latitude and longitude as it is in 3d ...
2
votes
1answer
538 views

Rendering 3D timezones KML on a 2D map

I'm trying to render a KML layer (with timezones) in Google Maps API v3. The KML layer works fine in 3D (in Google Earth), but when I render it in 2D, the timezone lines that meet at the North Pole ...
2
votes
1answer
56 views

RDF representation of 3D-geodata?

When it comes to 2D-data it seems there are a couple standards out there to represent it in a semantic way (GeoSPARQL, NeoGeo, ...). However I couldn't really find one to do that for 3D-data. I have ...
2
votes
1answer
185 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 ...
2
votes
1answer
129 views

3D Barriers, ArcGIS Network Analyst

I am trying to implement 3D barriers from a feature class into a network using a model, but I can't seem to get the resulting barrier to appear on the proper three dimensional plane. The feature class ...
2
votes
1answer
175 views

Is it possible to rectify an aerial photo with known control points in 3d, in QGIS?

Bonjour, Peut-on avec Quantum GIS redresser une photo aérienne avec des points caractéristiques connus en 3D (XYZ) ? -- Translation: Hello, Is it possible to rectify an aerial photo with known ...
2
votes
1answer
392 views

PostGIS - table with 3d points with fast ordering by distance

I am pretty new to PostGIS and I am trying to solve the following problem. I need a table with 3D points (x,y,z) that will contain around 1-10million points. I want to be able to efficiently ask the ...
2
votes
1answer
279 views

Conversion of ASTER GDEM data for CFD Analysis

I need to do a computational fluid dynamics (CFD) analysis of wind over a large area of land. I have obtained the necessary tiles from the ASTER GDEM data set (in .tif format) and was wondering how I ...
2
votes
1answer
647 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 ...
2
votes
3answers
447 views

writing a 3D polygon (arcpy)

I currently working on some scripts with 3D polygons using arcpy (arcgis10). Reading and data manupulation works fine, however writing the output back into a shapefile doesn't seem to work, it only ...
2
votes
1answer
400 views

How to show labels in arcglobe for extruded features

I am trying to visualize lithology data in ArcGlobe, i.e, the representation of different types of soil data under the earth. This I have done properly by creating Z aware featureclass and extrusion ...
2
votes
1answer
141 views

What is a “CFG” application in GIS terminology probably?

I come across a 2008 tech presentation PDF on "GIS-Enabled Modeling and Simulation (GEMS) presented by ESRI (i think for the US Army). On one of the page titled "Challenges to be overcomed", there is ...
2
votes
1answer
845 views

What is the best way to visualize subsurface drillhole and borehole geology data within ArcGIS?

I've heard some folks in mining are using Target for ArcGIS extension by Geosoft to visualize and analyze subsurface drillhole and borehole geology data within ArcGIS. Does anyone have experience ...
2
votes
1answer
150 views

Making a subsurface TIN model

I had been very glad if any of you have time to help me. I am a student and currently writing a thesis. In this paper I will create a 3D model of a glacier, where I will show the internal structures ...
2
votes
1answer
192 views

3d terrain from data in postgres

I am quite new to arcgis and I would like to create a 3d terrain. Now I have a postgresSQL table containing a list of points with their geometry data and the Z value for each point. What I would ...
2
votes
1answer
410 views

How to find the closest Edge from a Line

Currently I'm working on a basic 3D model viewer in MATLAB, which can import .OBJ files (modeled in e.g. Blender). The purpose of this viewer is to test different subdivision schemes (like ...
2
votes
1answer
324 views

Possible to use Google Earth to generate “skyline” planes?

I was really interested to notice that my city appears to have gotten the 3D Buildings treatment on Google Earth. I am trying to figure out how I might these 3D buildings to generate 'skylines' for a ...
2
votes
1answer
1k views

How to export a shapefile from ArcGIS 10 into Autodesk Ecotect?

I am trying to export a shapefile from ArcGIS 10 into Autodesk Ecotect Analysis 2011 for solar analysis. I have a shapefile with polygons, and the heights of buildings is stored in the attribute ...
2
votes
1answer
430 views

How to Georeference 2.5D or Birds Eye View models or Buildings?

I am working on 2.5D mapping.So I don't know how to georeference Birds Eye Viewor 2.5D view buildings.If you did not understand then open http://www.youcity.com there you will find 2.5D buildings.If ...
2
votes
1answer
558 views

ArcGlobe .3dd file doesn't display

Has anyone seen the following problem? I've created a sample ArcGlobe application with Visual Studio - this obviously gives me the template where I should be able to launch the app. Said application ...
2
votes
0answers
54 views

Three-dimensional interpolation of temperature profiles using gstat in R?

I'm working on a problem in which I'd like to interpolate a set of oceanographic temperature profiles over a three-dimensional matrix of unsampled x, y, & z locations. The data to interpolate is ...
2
votes
0answers
87 views

How to display images as cross sections in 3d

I want to display a base map and several vertical cross sections in 3D. The base map image is easy to rectify as a geotiff. How can I also display the cross sections? The cross sections are at ...
2
votes
0answers
64 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, ...
2
votes
0answers
74 views

Making a simple 3D map for browsers with my current geodata

I want to try to make a 3D map for a small area (10 square miles) with some housing, some roads and some vegetation on it. My geodata is as follows: Shapes with houses/roads/vegetation. LIDAR ...
2
votes
0answers
77 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 ...
2
votes
1answer
64 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 ...
2
votes
0answers
203 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 ...
2
votes
1answer
122 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 ...
2
votes
1answer
155 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 ...
2
votes
0answers
867 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 ...
2
votes
0answers
126 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 ...
2
votes
0answers
422 views

Visualization libraries for rendering 3D GIS world on iOS/Android

Are there any good 3D libraries/frameworks for rendering 3D worlds in geospatial coordinates on mobile platforms? Use case: I have some known 3D geospatial features (eg. buildings) with their ...
2
votes
0answers
79 views

Determine which points fall within a 3D polygon and export this subset to a flat file

I am working in ArcMap 10 and will have a 3D representation of a zone of transmission. I would like to determine which GPS points fall within this polygon and then export this subset out to a flat ...
2
votes
0answers
205 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 ...
1
vote
2answers
131 views

Develop 3D buildings with roof structure from raw data

I recently received a task to develop 3D buildings with roof structure. All I have now is satellite images and aerial photographs covering the entire urban area. After reading some previous methods, ...