3D is an object that has three dimensions.

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56 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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2answers
222 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
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0answers
165 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
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1answer
104 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 ...
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1answer
83 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 ...
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1answer
103 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 ...
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1answer
297 views

Export 3D Shapefile Polygon to DWG as Polygon

I am looking for a way to export my 3D polygon shapefile to a .DWG polygon. I have used the Conversion Tools - Export to CAD tool in ArcToolbox, but it will only export the polygon to line features. ...
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0answers
49 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
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1answer
124 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 ...
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1answer
351 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 ...
7
votes
1answer
177 views

How can I calculate Moran's I in 3D?

This may be a question to post on a GIS forum, but I was wondering if among the spatial data experts here, someone could help me calculate the extension of Moran's I to 3D? Our data is about 3D ...
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0answers
112 views

Cesium 3D Map help

I am new to cesium and I want to display 3d shapefile using cesium.Conversion of shapefile in czml and display into cesium in main hurdle.
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2answers
288 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 ...
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0answers
99 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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1answer
135 views

Software program (or spreadsheet calculations) to find Borehole Deviation?

I was given a bunch of surveyed borehole data (azimuth, depth, dip, geology, etc) and am required to calculate a deviation variable. Besides querying the data and averaging the surveyed borehole ...
0
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1answer
94 views

How to select a subset of a DEM in ArcScene?

I'm using ArcGIS 10.0 and trying to open a digital elevation model in ArcScene. I'm working on a project and got the DEM data from official sources which is quite huge. The resolution of the DEM is 1 ...
0
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1answer
211 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 ...
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0answers
148 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?
5
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1answer
209 views

Pictometry Accuracy and/or Alternative

I'm looking for some insights into the accuracy (x,y,z) of oblique imagery from Pictometry in terms of providing accurate measurements for property evaluation. Is the high cost of this product ...
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0answers
23 views

System Requirements for 3d GIS & 3d Modelling [duplicate]

I'm looking for system (hardwares) required for view, edit & analyse 3d GIS & modelling data. And what is the decent monitor size should be ? single/Dual screens ? Modern systems comes with ...
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5answers
3k views

How can a 3D model of a building be displayed in a web-browser?

I would like to try to show a proposed building in a web-browser such that the user can interact with it in a way similar to google maps streetview. Is it possible to do this, in any platform? I can ...
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2answers
396 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?
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1answer
153 views

Any GIS program with GPX support and free hand selection tool?

I'm looking for GIS program that has good support for KML/KMZ or GPX route files and also has free hand selection tool. Right now I use 3dem and it would be perfect for my needs if only it had that ...
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1answer
165 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 ?
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1answer
981 views

DEM to STL (3D Printer Format)

I have a DEM in ArcGIS 10.1 that I would like to get into STL format for a 3D printer. Does anyone know some software that will allow me to make this conversion? I have to use the STL format because ...
6
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0answers
332 views

Indoor positioning system hardware [closed]

I'm a software developer, dont know much about the hardware specifications and dont know where to start. (Even not sure is that the right stackexchange I should ask this question.) So, I want to know ...
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0answers
56 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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1answer
174 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 ...
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2answers
422 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 ...
4
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3answers
314 views

Why aren't 3D Globes used as the basis of GIS systems?

Maps have been around for thousands of years and have been widely accepted as the means of representing spatial information. We all know about several map projections,each with their merits and ...
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1answer
506 views

How to create a 3D shapefile from a raster?

I´m trying to make a 3D shapefile from a raster feature but not working. Tried already to run the command in OSGeo4W but nothing happen. I'm using the Qgis 1.8.0 Lisboa. The purpose is to get a final ...
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3answers
372 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? ...
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2answers
1k views

How to convert Shapefiles to 3D DXF?

I'm using QGIS version 1.8.0-Lisboa and I'm trying to convert a vector line file and it's not working. I right click on the layer>Save as>Autocad file>DXF. After that I try to open the output file in ...
2
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1answer
106 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 ...
4
votes
2answers
369 views

how to retrieve average building height in urban areas?

I am looking for a way to collect data on the height profile of some cities over time. I don't need to produce a detailed 3D reconstruction of cities, nor do I need to detect and measure individual ...
5
votes
1answer
144 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 ...
2
votes
1answer
138 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
2answers
307 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
157 views

Create an animation that rotates around an central axis

I am looking to create an animation of a 3D model. I want the model to be the central object in the animation, so rotating around the model, always looking at the model. I am wondering what is the ...
4
votes
1answer
383 views

What do I need to create 3D model of real terrain?

I'd like to create 3D model of some real terrain (to be exact it's about some real roads and only as much as 80m to 100m of roadside - 40m to 50m of each side). As I don't have access to highly ...
4
votes
2answers
540 views

How to drape a simple jpeg image over dem of some area?

How can we drape a simple jpeg image which doesnot have any geo referencing information over the digital elevation model in order to visualize it in 3D in QGIS?
3
votes
3answers
320 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 ...
1
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0answers
121 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, ...
5
votes
1answer
210 views

How do I georeference a ski map?

I have a map of a mountainous landscape, http://skimap.org/data/989/60/1218033025.jpg. It contains a number of known points, the lat-longs of which can be easily found out using google maps. I wish ...
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1answer
519 views

VRML export issue ArcScene

when I try to export simple Tins (or documents which contain Tins) from my ArcScene to .wrl the export fails. Please see my example: I have the following table (xlsx): X Y hoehe 28 -2 0 -2 ...
4
votes
1answer
275 views

How can I Enable Google Earth 3D features in QGIS?

I want to ask if there is any plugin or any other way where I can use Google Earth features in QGIS. When I'm saying Google Earth features I mean to be able to see roads, towns, etc and to be able to ...
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1answer
233 views

Why ignores Google Earth the gx:altitudeOffset in KML files?

I am currently writing software that creates 3D polylines and outputs these in KML format. According to the official documentation it is possible to define an altitude offset via gx:altitudeOffset to ...
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2answers
92 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 ...
3
votes
1answer
775 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.
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0answers
90 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