3D is an object that has three dimensions.

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3
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1answer
490 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
1answer
34 views

Landform design/3D in ArcMap 10.2

Im a self taught ArcMap user working in a small business, so no one to bounce problems off. My aim is this: I would like to be overlay different surfaces, manipulate them, and display them. The ...
2
votes
1answer
44 views

QGIS 25D shapefiles

I do know QGIS doesnt so far make use of 25/3D files, but If I do make use of 3D points from a say GPX file and thereafter, using snap, generate a new polygone shapefile. Will the z-coords be kept ...
2
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1answer
149 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 ...
1
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1answer
31 views

3D rubber sheeting using ground control points

I have 3d lines that I would like to rubber sheet or rectify in 3D (including z rectification). I used ogr2ogr with -gcp, however all the vertex of a polyline were set to a single elevation, and since ...
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1answer
83 views

Can I define a transformation between 2D and 3D in Geotools?

I'm using Geotools, and I need to convert coordinates between 2D and 3D coordinate reference systems. I recognize that there's no universally-correct way to do this: 2D -> 3D means "making up" a Z ...
4
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0answers
295 views

How to convert a set of points to a solid object?

I have a data generated as the output of some numerical processes. I need them to be converted into 3D solid objects (as CAD solid format) to make them importable for some particular numerical ...
3
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0answers
47 views

How to set Vertical Coordinate system when creating a 3D shapefile?

I'm working with GDAL v1.11 and am seeing the vertical CS stripped when exporting a 3D shapefile (from oracle spatial). This is the command I'm running: ogr2ogr -f "ESRI Shapefile" B_POINT.shp ...
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37 views

How to set up a base station without known coordinates

I am new to surveying, but need to set up a Topcon controller with Pocket 3-D to run 2 receivers and a grader running off the base receiver for my new job. It sounds stupid, because I can't seem to ...
3
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0answers
21 views

How can ASTER elevation data be converted to a CAD model

I am trying to convert ASTER elevation data to a 3D CAD model using only opensource software. I have tried using different file formats but I have been unsuccessful. I use QGIS for my GIS work and ...
3
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0answers
45 views

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

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 ...
3
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0answers
388 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
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0answers
163 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
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0answers
98 views

3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS

How can I make 3D visualization of terrain data and orthophoto using GRASS NVIZ via QGIS? I am quite new with GRASS. I have only managed to get a 3D view of the terrain so far.
2
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0answers
61 views

Buildings missing texture in 3d web scene exported from ArcScene

A random sampling of buildings are missing textures. The models were made in Sketchup 8 and exported to COLLADA, then dropped in ArcScene. All of the textures are .jpg files. The models look fine in ...
2
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0answers
155 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
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0answers
107 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
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0answers
85 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
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0answers
86 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
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0answers
88 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
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0answers
245 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 ...
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0answers
1k 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 ...
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0answers
139 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
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0answers
84 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
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0answers
215 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 ...
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0answers
15 views

Convert exported ArcGIS .dwg to 3D rendering on AutoCAD 2013?

We're working on a bathymetry mapping project of our reservoir, digitized as it was built in 1977. I have a polyline .shp for contours and polygon .shp for area between contours with fields including ...
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0answers
43 views

LiDAR point cloud to 3D model of street

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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0answers
40 views

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

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 ...
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0answers
55 views

Error with qgis2threejs plug-in

I am currently endeavouring to use qgis2threejs to create a 3D visual using DSM and orthomosaic data captured using my unmanned aircraft system (UAS). Originally the plug-in seemed to work perfectly, ...
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0answers
60 views

Calculating surface and lines in 3D projection in R

For my internship research I am trying to compare the surfacearea and length of geometric shapes and lines in one coordinate system to another. I have a SpatialPolygonDataFrame in the European equal ...
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0answers
66 views

How can I extrude a polygon “below” a base height?

I am creating some animations and short movies in ArcScene showing how a number of disparate datasets relate to one another. In one of these movies my "big finish" is to extrude a number of polygons ...
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0answers
53 views

PostGIS 3D Extrude function

I selected buildings from OSM (which represents my city). I insterted a new column 'height' and I filled with a random number exactly number 2, so every building have 2metres altitude. Buildings are ...
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0answers
58 views

How to define Z dimension on table with PostGIS for import in TileMill?

I'm trying to reproduce the idea behind this blogpost from Mapbox, but with other data, for example the ne_10m_populated_places_simple dataset from Natural Earth. By adding a z-dimension to the data ...
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0answers
64 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 ...
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0answers
146 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. ...
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0answers
82 views

ArcMap vertex problem for Z-value

I have an Oracle Spatial dataset with z-coords. I can edit the dataset in ArcMap however the z-values are always rounded to the nearest integer. Why does ArcMap round the z-values? Regards, Pieter ...
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0answers
62 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 ...
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0answers
127 views

create a map from scratch

I am a newbie in GIS, so be indulgent if my question sounds stupid! I am working on a mapping project for scuba diving sites, and I need to create 3d maps viewable by users on android tablets, iOS, ...
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0answers
149 views

Data source for 3D buildings (germany)

I'm searching for a data base or webservice, that provides buildings at a level of detail (LOD) of cuboid (length,width,height) or roof, corners, etc or better. The area should cover germany. ...
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0answers
211 views

Layer 3D to Feature Class Empty Output

I'm trying to build 3D buildings from 2D footprints. I extrude by the building heights, and input the surface by editing the properties. From here I use the Layer 3D to Feature Class tool to convert ...
0
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0answers
25 views

computing the volume of a cave

I did a cave survey and now I have a dxf file 3d. It's composed by 8 layers: polygonal points width contour width height contour height stations depth I would like to make a volume and change its ...
0
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0answers
57 views

Creating a 3d terrain model using a DEM raster file

i have a DEM Raster file and i would like to create a 3D Terrain Model using ArcScene. Is this possible, if yes, how? Thanks.
0
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0answers
10 views

how to use the overview control of openlayers in other platform like skyline or others?

As the title said,is there a possible way to use the overview control of openlayers in other platform like skyline or citymaker or other 3Dplatform? What i need now is that i want to make an overview ...
0
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0answers
64 views

Displaying 3D city model from PostGIS 3D backend

I know that openlayers doesnt support 3D yet. I heard about Kartograph has 3D features but Does Kartograph support reading data from backend database especially PostGIS? I would like to create a 3D ...
0
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0answers
175 views

How to draw 3d objects from .kml file on gwt-openlayers map?

I tried to run gwt-openlayers KML example on my PC but failed to see KML layer. I set protocolOptions.setUrl("http://dev.openlayers.org/releases/OpenLayers-2.13.1/examples/kml/lines.kml"); instead ...
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0answers
49 views

Topology rules for a 3d network

I am currently writing a spec to which people may end up using to guide the digitization of a large 3d network (exterior pedestrian network + building interiors). In 2d network drawing, it seems to ...
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0answers
73 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 ...
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0answers
182 views

Generate 3D grid in ArcGIS

I have DEM layer which I am vieving in ArcScene and project the z index to view actual 3D view of the DEM surface.Now i want the grid surrounding this DEM something like Fish net but a 3D having grid ...
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0answers
204 views

What is the easiest way to calculate borehole deviation?

Does anyone know if there was a program or specific method (calculations) in order to create a deviation value based on querying specific geological and drilling variables?
0
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0answers
110 views

Does the Calculation of Spatial Weights Matrix in ArcGIS take into account 3D?

This question is about Spatial Weights Matrix in ArcGIS. Does it take into account 3D or not? I want to calculate Spatial Weights Matrix with SPACE_TIME_WINDOW. Anton