Questions related to GIS objects that have three dimensions.

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0
votes
1answer
24 views

pgRouting with multiple floors

Hoping I might get some help with indoor multi-floor routing using pgRouting. At the moment, I have a dummy network system created to analyze shortest routes between locations with the results served ...
0
votes
1answer
17 views

ArcMap 3D profile graph gives a level line

ArcMap's Profile Graph in 3D analyst works great for drawing a line on the map and seeing the profile. I am doing this part easily; single segments, multiple segments it works fine. However, it is ...
0
votes
0answers
19 views

Issue with Cesium Terrain Provider

Even after adding blank terrain files at the specific directories : 0/1/ and 0/0/, I still get the error message and a blank globe. This is not an issue with CORS. I am using http-server (node) to ...
0
votes
1answer
33 views

Unable to serve Cesium Terrain files

I am trying to generate 3d Terrain. I am serving the terrain files at localhost:8081 Here is the Cesium Code var viewer = new Cesium.Viewer('cesiumContainer', { baseLayerPicker : false, ...
1
vote
0answers
14 views

How to load VRML data into CityEngine

I can't see whether Esri CityEngine supports VRML files directly, or how to load them if they're not supported (the online materials are more marketing-focussed than technical). Is there a ...
2
votes
1answer
21 views

Is it possible to export 3D model data from SimUrban?

Today I came across a 3D modelling package I haven't seen before - SimUrban. The client wants to migrate their SimUrban project to a more modern system, and the provider who built it is no longer ...
0
votes
0answers
19 views

Visualizing Space-Time-Cube netCDF file in ArcMap 10.3

I just created a netCDF file containing a Space-Time-Cube with 353 time steps using the new "Space-Time" Toolbox in ArcMap 10.3 However it seems, that only ArcGIS Pro can visualize this netCDF file ...
0
votes
1answer
54 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 ...
2
votes
1answer
43 views

Visualizing Tunnel mapping with ArcGIS

I have a cluod point of a tunnel from indoor laser scanner. Are ther any features to create nice 3d simulation / visualisation / animation of it that will includ grid at surface like in the attached ...
0
votes
1answer
30 views

Cross-platform 3D mapping solutions

I am a new software developer who created an application at my work that continually displays content on the Google Earth desktop application using KML. My work now would like a mobile solution to my ...
1
vote
1answer
37 views

PostGIS 3D bounding box query that envolves all 3 axes (xyz)

I have some experience with PostgreSQL, but not with PostGIS, and for the life of me I can't make my bounding box take the Z axis into account. I have a points table with XYZ columns. I add another ...
3
votes
1answer
42 views

Postgis query on 3D cube does not use index

I am testing Postgis on the follow query: SELECT * FROM particles WHERE position &&& 'LINESTRING(0.08537 0.0738 0.0145,0.0953 0.0837 0.0345)'; that returns about 100k rows from a ...
4
votes
2answers
143 views

3d vector and geometry operations in open-source GIS

There is some really good open-source software available to work with 2D vectors. For example QGIS has operations like buffer / clip / dissolve / select by location / join attributes by location... ...
0
votes
0answers
39 views

GIS Wireframe into SketchUp

There used to be a plugin that allowed GIS data (.shp file) to be exported and then opened in SketchUp. This plugin no longer exists. I have wireframe data of buildings that is 3D in ArcGIS that I ...
0
votes
1answer
36 views

Extruding a 3D stack of polygons on top of a map, e.g. with KML

I have data for the composition of rock layers in several polygons on earth. I would like to plot a stacked chart of the rock layers, colored based on layer metadata. Here's a mockup, where rock ...
0
votes
1answer
31 views

Rasterizing a simple sloped line

I am aware how to rasterize a 2D line, but if I have two coordinate triplicates (x1,y1,z1) and (x2,y2,z2), how can I efficiently rasterize the resulting connecting line such that the raster cell ...
0
votes
1answer
68 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 ...
5
votes
1answer
76 views

Can I identify if a point is inside a volume in PostGIS?

We are currently investigating PostGIS as an option to look up three-dimensional blocks which contain a point (and later also lines). At this point in time I cannot see any functionality that operates ...
0
votes
2answers
24 views

Can scene have mode switched between Global and Local in ArcGIS Pro?

From its online help: ArcGIS Pro includes two viewing modes for scenes: Global mode—This is used for large extent, real-world content where the curvature of the earth is an important ...
2
votes
1answer
32 views

How to set feature vertex Z from an intersecting feature's Z?

In ArcGIS how can I set the Z values of the portion of a line that intersects another line to the Z values from the other line? A batch process is preferred. I tried FeatureToLine, but the null ...
0
votes
0answers
36 views

Explanation for ArcGIS Cut/Fill tool error

I am curious if anyone has experienced a similar error (and found a solution) when trying to run the Spatial Analyst/3D Analyst CutFill tool? The problem is as follows: When executing the tool on ...
0
votes
0answers
43 views

Raising height of a certain part of choropleth

I have a working choropleth map which shows number of patients in a certain coloured area. I want to raise the height of the specific area according to the patient count. The variable height is equal ...
2
votes
1answer
172 views

Creating 3D terrain/model from contour lines, preferably using Open Source GIS?

I am looking to create 3D terrain from a contour map that I have (originally inside a PDF). The contour lines are able to be viewed as paths in Adobe Illustrator. There are two types of lines: 7m and ...
0
votes
0answers
38 views

3D building data for London

Any tips on where I can find 3D building data for UK/London, preferably LOD2 (Including roof structures)? I am aware of the Virtual London dataset but I would like a more recent one.
2
votes
0answers
58 views

How to find the concave hull for a cloud of points in 3D space?

The existing algorithm for convex hull is not able to capture the feature for a set of 3D points. Moreover, I found few mathematic tools have this function to obtain the concave hull and their ...
1
vote
0answers
44 views

Trajectory / ballistics

I'm trying to calculate if a canon will be able to shoot over a height in the terrain. lets saytThe canon have to be 15'000-18'000m from the target, and the impact degrees have to be over 30 ...
0
votes
0answers
18 views

Drawing a portion of a hemisphere airspace

I am trying to use WorldWind's SphereAirspace to construct a particular 3D airspace. The 3D shape I am trying to construct is a hemisphere cut parallel to the ground at two places, suppose at height ...
0
votes
0answers
81 views

What are the top 5 file types for 3D model?

I don't know much about GIS but I'm investigating a project that requires a 3D model of a hilly large town (town centre, suburbs, golfcourse, etc.). I'm not certain which file-type of these ...
0
votes
1answer
74 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 ...
1
vote
0answers
67 views

How to create 3D globe images highlighting a specific country or 2D country map with capital?

I am building an Anki flashcard set that should contain country flags, names and (ideally) a 3D globe with the country outlined, as can be seen on Wikipedia. I've already completed the part that ...
0
votes
0answers
64 views

develop rooftop solar radiation potential from 3d buildings model (3dm)

Need to create solar cadastre without having LIDAR data. Have 3d buildings model in .3dm (150 000+ roof surfaces, 500 000+ facade surfaces unmapped, dtm 15x15m) with a lot of multipatch geometry ...
0
votes
0answers
65 views

How to add 3D buildings in tourism map with ArcGIS?

I'm working with ArcMap making a tourism map in which I would add 3D monuments like this map for example. I have my monuments in KMZ format, that I can already add in the map, but currently view from ...
2
votes
1answer
93 views

How to calculate point(or XY) for Start point of Slope and Endpoint of Slope along the Section line on DTM

How to calculate point(or XY) for Start point of Slope and Endpoint of Slope along the Section line on DTM. for instance
17
votes
4answers
376 views

Finding the Center Line from a set of 3D Points

I have a set of 3D points. They follow a curved pattern with a rather constant diameter as shown below. What would be the algorithm to trace the approximate center line of these points?
3
votes
3answers
268 views

Assigning RGB values from Geotiff image to LiDAR data, using R

I have given a Geotiff image and its corresponding Lidar data (x,y,z) in UTM coordinates. I need to merge the Lidar data with the RGB values from the image. That means, at the end, I need to plot ...
4
votes
2answers
2k views

Google Earth alternatives?

Are there alternatives to Google Earth that will display the latest satellite images and can add pinpoints and are relatively intuitive? It would be nice if I could possibly add shapefiles on top of ...
0
votes
0answers
52 views

Covert XYZ data to 2D raster

I have a data from terrestrial scanning (3D) projected to 2D plane but still in XYZ format available here: http://ulozto.cz/xYkfywxY/xyz-to-2drst-txt. Finally, my data are all on same plane, but ...
2
votes
0answers
26 views

3D topographic progress compensation by the least squares method

I'm looking for an explanation of the least squares method used in the case of a correction of 3D point network. We have reference points with known coordinates XYZ. We calculate intermediate points ...
3
votes
0answers
52 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
1answer
229 views

How to compute average slope and area-weighted average slope?

I am learning GIS for use in hydrologic analysis. Related to computation of overland flow there are two types of slope that I would like to be able to obtain from GIS. The first is average slope for ...
0
votes
0answers
43 views

Library to render 3D DEM?

I am implementing a C++ application to generate DEMs from LAS files, and I want to show a 3D visualization of the DEM (show the terrain model, height differences using colors, contour curves...) Is ...
3
votes
1answer
76 views

Joining lines by X,Y AND Z coordinates

My task is to generate 3D polygons from line data, which will then be imported into TerraExplorer 3D presentation software. Problems arise when there are overlapping lines in 2D space, but which have ...
1
vote
1answer
138 views

How to convert total station data (coordinates) to 3D model? [closed]

i have my coordinates in .csv format and i want to convert it to a usable 3D model. How do i go about this or what software can i use to achieve this?
2
votes
0answers
50 views

3D interpolating

Our final year project domain is soil contamination modeling. We collected soil samples at the depths of 0.3 cm ,0.5cm , 1cm , 1.5 cm in about 25 locations. We considered 8 contaminants- p h, sodium, ...
3
votes
1answer
125 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
0answers
66 views

3D marker symbol export problem (ArcGIS 10.2)

I am trying to create a webscene. I have a TIN and a point layer that is 3d enabled (point z). I added a 3d symbol marker to the point layer in ArcScene . When I use the "export to 3d web scene" ...
5
votes
2answers
130 views

Retrieving heights of buildings using remotely sensed data (except lidar)

How can I get the height values of buildings from a certain sector a city without going into the field to collect data? Is there anyway to do via satellite imagery, SRTM, ASTER GDEM or any DEM for ...
1
vote
1answer
49 views

by 3d dxf to shp with field height

I have a question from a DXF file " topographic precision 3 cm " with 3d polylines to get one shp line with information 3d is possible?
1
vote
0answers
79 views

Displaying Trees in Arc Scene

I'm new to ArcScene. I'm using a historic map, in arcmap, to draw old roads, garden plots and tree locations. My trees are in a point shapefile in ArcMap, I brought them into ArcScene and I'm trying ...
0
votes
0answers
32 views

linking of 2d shapefile with 3d model-ArcGIS

i have 3d model -.GDB (.DGN also ) without any unique iD (3d model is not solid but it has diffrent surfaces e.g. so one individual model can have 4 surface as wall and one as roof) and of same model ...