Questions related to GIS objects that have three dimensions.

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0
votes
0answers
142 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 ...
1
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0answers
16 views

Intersection of 4D Trajectory with 4D Polyeder (3D + time)

I have worldwide small polygons (lat/lon WGS84) for different heights (z-coordinate) for several timestamps (m). I want to store them in a PostgreSQL/PostGIS database as 4D objects (2D polygons + ...
2
votes
1answer
42 views

Calculating 3d polygons' surface area using ArcGIS for Desktop?

I've got a polygon feature class with Z values enabled. The polygon entities represent billboards. I'm looking for a way to measure the front surface area of this entities - i.e the area of the ...
1
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0answers
16 views

Converting 3d polygon feature class into MultiPatch feature class using ArcGIS for Desktop?

I've got a polygon feature class with z values enabled. The polygon entities represent billboards. I'm looking for a way to convert those polygons into MultiPatch feature class entities. I'm using ...
2
votes
1answer
198 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 anyone has experience to convert raster image to autocad 3d format, stl, vrml or any other ...
1
vote
1answer
74 views

Is it possible to extrude a vector layer with QGIS 2.16 Globe plugin?

With the new version of Qgis ( 2.16) it is stated that the extension was rewritten globe . Is it possible to extrude a vector layer with a height parameter and if it is possible to have the procedure?...
2
votes
1answer
402 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 ...
3
votes
3answers
379 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 ...
2
votes
1answer
255 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 X,...
4
votes
0answers
75 views

Why different transformation behaviour ArcGIS Pro 2D/3D layers?

I am working with ArcGIS Pro and have noticed a strange difference between the co-ordinate transformation of 2D and 3D layers. Here are my transformation settings: I have the same layer ...
3
votes
2answers
153 views

Adding LAS files into AutoCAD map 3D with Point Cloud Manager tool

It's my first time to use AutoCAD map 3D for LiDAR. Based on my googling, it is said that I can bring .las file by creating new index and using the Point Cloud Manager tool (the image on the top - ...
1
vote
2answers
47 views

How to extrude a polygon in a slope in CityEngine

I am going to extrude polygons in slope using CityEngine and would like to have horizontal roofs. As you know, when you extrude a polygon in slope, a sloped roof is generated. But in reality buildings ...
0
votes
0answers
23 views

Globe not displaying in my cesium application

Below code doesn't display the default cesium globe.When i run my file, its just a black background. Why is it so? <style> @import url(../templates/bucket.css); </style> <div id="...
0
votes
0answers
29 views

Large 3d features layer in cesium

I'm trying to show a huge feature layer 3d from arcgis on Cesium. I tried to generate a KML with Layer To KML option - which generated me a 3gb KML (Which of course will make Cesium to crash). I read ...
1
vote
1answer
186 views

Use Microstation wireframe model for OpenStreepMap

I've got an entire city in Microstation DGN format. I'm able to convert it into Google Earth (KML), DXF, SVG and other formats, and then in .osm with ogr2osm. However, the 3D model is build entirely ...
1
vote
1answer
226 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 ...
2
votes
1answer
212 views

ESRI Drone2Map - how to use “texture” image.

ESRI's Drone2Map beta produces various outputs; LAS, dem, hillshade, orthomosiac, etc. One of these is "Texture.jpg" file. This image is not projected but it looks like as if I should be able to ...
0
votes
1answer
229 views

plot 3D graph based on raster pixel values

I am new to raster data. I have a raster tif file with population density value in each grid cell. I am interested in plotting a 3D graph based on raster values in ArcGIS or R. The similar graph is ...
2
votes
3answers
765 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
0answers
9 views

3d Network for Closest facility

I learn 3d network. I want create analyst with closest facilty. I create ModelBuilder. But i get mistake 0 location(s) in "Incidents" are valid. Need at least 1 valid location(s). ERROR 030024: ...
2
votes
1answer
132 views

Can Google Earth be used to display underground 3D structures?

Trying to make it easy for a non GIS savy person to view the 3D data I produced in ArcScene. I cant seem to get Google Earth to view underground/below the standard imagery.
3
votes
0answers
81 views

Serving 3D Via WFS [closed]

I have been trying to understand 3D data serving through WFS, but the number of competing standards and their spotty support has me baffled. Hence, I was hoping for some clarification from those who ...
1
vote
0answers
23 views

3D time dimension (x,y,t)

I'm working with data points (x,y) and timestamp t as a separate attribute in my table. (x, y) are in WGS 84 latitude,longitude format while timestamp is in Unix Time. For instance (71.8, -13.5) and ...
1
vote
0answers
35 views

Going to the zoomed view of a particular 3Dbuilding using an URL in cesium API

I have a cesium application which shows 3d buildings for an area. What I want is if I give some URL it should go to the zoomed view of a particular building. Say for ex: if I give http://localhost:...
1
vote
0answers
54 views

Thinning LiDAR points to remove redundant neighbors?

I'm trying to develop a workflow in ArcGIS with 3D Analyst or Spatial Analyst to intelligently thin a grid of spot elevation points created from a LiDAR DEM. The current point spacing is 1 meter. Some ...
2
votes
5answers
3k 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? ...
1
vote
0answers
32 views

Adding 3D animation on site?

I'm trying to find how i could animate a map online with no result. I've an application that users can use to query place. The result include a map. All data are store locally on a server. Now i want ...
0
votes
0answers
36 views

n-dimensional visualization software

I am using Grass 7.04 standalone. I have made a 3d view of dem raster. How can I have a high resolution image file of it to work with photoshop? It seems that the only tool to have it is Nviz but it ...
0
votes
0answers
51 views

Measuring correct line length from a 2D polyline using 3D raster QGIS

I am trying to measure the correct line length of a 2D polyline when draped over a 3D surface. In theory I would expect the line length to change when moved from the 2D to 3D. The polyline is spaced ...
2
votes
0answers
65 views

How to show a 2.5D surface of raster above terrain layer in Cesium?

I'm developing an web application that will show surfaces of rasters and terrain. These rasters are on GeoTiff format. I learned from example cesium can show image overlays earth surface. The ...
5
votes
1answer
868 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 ...
2
votes
1answer
34 views

Web Mercator to 3d globe projection problems

I've been trying to use map tile images from services like OpenStreetMap to create a globe, and I've mostly succeeded. The problem is that when I compare my globe to one using the same image source ...
1
vote
1answer
76 views

How to digitize 3D geospatial data using FOSS applications

I need to digitize soil horizon data from photos to be later used in a 3-dimensional GIS workflow. For each photo I have DGPS coordinates of the top left and right corner and the depth of the profile....
0
votes
1answer
207 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 ...
0
votes
1answer
25 views

3d city database set up problem

I am trying to set up 3d city database and I have some problems. I hope you can help me. I receive an error as you can see attaching file. What is wrong? The error message is: '"\psql"' is not ...
11
votes
8answers
6k views

Viewing LiDAR data from web browser?

I am looking to host lidar data on my own server and give clients the ability to view that data through a web browser as a 3D point cloud (file would be in .las format or equivalent), possibly with ...
6
votes
3answers
5k views

Features to 3D from 2D in QGIS

Is there a way to convert 2D features to "3D" features in QGIS? I know there is a way to do this in ArcMap by using an attribute value in the attribute table, but I am looking to do this with ...
1
vote
1answer
35 views

QGIS - selecting 3D Polygons

I have downloaded a 3D polygon shapefile of buildings. I would like to be able to select some of the objects to create a new shapefile for doing 3D rendering but I cannot seem to be able to select any ...
2
votes
2answers
184 views

Where is the nviz tool in qgis 2.14 with GRASS 7.0.3?

I hope Im not blind but I looked in the grass tools (modules) and qgis plugins but couldnt find it. When i try to run nviz from GRASS the whole programme chrashes just before concluding. Its a ...
1
vote
1answer
85 views

Utility Profiles — ArcGIS

I am currently working to convert our cities storm and sanitary sewers from 2D to 3D. Currently, we create profile views in CAD which means a lot of manual work anytime anything changes. We have a ...
16
votes
4answers
3k views

Are there any alternatives to ArcScene?

I think I've had it. I've been struggling to create polished scenes and flyover animations using the ESRI tools. SketchUp is great but it does not handle large datasets and most 3rd party models (3D ...
0
votes
1answer
80 views

How to export a 3D map into a image file?

With qgis, it seems to be possible to visualize 3D with two tools : nviz and Qgis2threejs. But i would like export the result into an image file. Is it possible to do that with qgis?
1
vote
1answer
48 views

How to do diagram block with open source software?

I would like to do a block diagram (topographic and geological representation). Is it possible to do this with QGIS (or other open source software), in Windows 7?
1
vote
1answer
327 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
1answer
51 views

Create a 3D map with extruded polygons for use in ArcGIS Javascript API

I am working on a project which contains several choropleth maps (State and County level mostly). In very simple terms, I would like to create 3D extrusions of the polygons based on an attribute. So ...
1
vote
0answers
28 views

Draping surface on custom data rather than built in elevation data for 3d web scene in CityEngine webviewer app?

When I publish a web scene from ArcGIS Pro to ArcGIS Online for use in a cityengine 3d web scene, all of my surfaces that I have custom elevations assigned to come out flat. As far as I can tell the ...
0
votes
1answer
64 views

Working with 2D building footprints and ArcGIS Pro / CityEngine

I've been trying for a few days now to create 3D buildings from my 2D building footprints. All the tutorials I've been through let me down right where it counts so I've decided to ask the pro's here. ...
3
votes
1answer
221 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 ...
1
vote
1answer
38 views

Setting final orientation of polygons in CityGML model

I am converting shapefile model of buildings in LoD2 to CityGML. In CityGML really matter about poylgon orientation(Countercloskwise can be seen from outside, Clockwise from inside). I have problem ...
2
votes
0answers
73 views

ArcGIS Pro 3D rasters?

I am trying to use ArcGIS Pro to create a 3D scene using an elevation surface (.tif) generated from drone imagery. The tif is projected and contains the elevation information, but I cannot get ArcGIS ...