Questions related to GIS objects that have three dimensions.

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3
votes
3answers
720 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 ...
0
votes
1answer
51 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 ...
2
votes
1answer
79 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 ...
1
vote
1answer
122 views

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

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 ...
2
votes
2answers
1k views

How to import a 3D DXF file into QGIS with z information as attribute value?

I have a dxf file of 3d contours. after import it does have only layer,x,y attribute and doesn't have Z attribute. how can I provide Z attribute to create a TIN file.
0
votes
0answers
58 views

How to convert points shapefile with a designed attribute containing Z values to a 3D shapefile

I need to write a C# program which would convert points shapefile with a designed attribute containing Z values to a 3D shapefile. Any suggestions how to do it? I use ArcGIS 10.2.
0
votes
0answers
150 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
76 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
1k 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 ...
22
votes
7answers
10k views

What are my options for 3D web Maps?

I wish to have a Online 3D Map, which would show my Data, i.e both Raster and Vector, draped on a DEM that I have. Due to the requirements of using my own DEM & Raster data, Google Earth API is ...
1
vote
0answers
54 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 ...
6
votes
1answer
181 views

Making a 3D map with shapefiles, lidar and aerial image data

I want to try to make a simple 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. ...
4
votes
2answers
2k views

How to “calculate” distance-to-ground of all 18 OSM zoom levels?

Assuming I'm building a 3D solution with the "world" being mapped to global geo-data supplied by OSM / Cloudmade... think http://www.webglearth.com but with completely different goals and use-cases. ...
0
votes
0answers
138 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 ...
2
votes
1answer
5k views

Convert 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 ...
1
vote
1answer
144 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 ...
1
vote
0answers
74 views

3D interpolation of pollutants across water depth [closed]

I have point data representing tissue sampling performed by NOAA NCCOS for Gulf of Maine waters. I am assuming a temporal resolution of one sampling point per location for one year. I have searched ...
1
vote
0answers
15 views

TIFF, TFW and 3D Integration [duplicate]

I have a bunch of tiffs and their corresponding tfws. I want to compose all those images into one and use it as background on my 3d app. (3ds) for 3d model integration. There are almost 200 aerial ...
1
vote
0answers
183 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
147 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 ...
17
votes
4answers
896 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?
2
votes
1answer
154 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
2
votes
2answers
643 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
0answers
155 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" ...
2
votes
0answers
204 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 ...
0
votes
0answers
66 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
40 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 ...
7
votes
2answers
375 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 ...
4
votes
0answers
70 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
987 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 ...
6
votes
3answers
1k views

Is there a way to render 3D map tiles?

I am looking for a way to create map tiles from OSM data but I would like the resulting map tile images rendered at a 45 degree angle. Is there any way this can be done? I have never see such an ...
4
votes
3answers
322 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. ...
0
votes
2answers
1k 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. ...
4
votes
1answer
276 views

Correct georeferenced LiDAR data

Often I obtain LIDAR data for concept studies and conventional survey (in dxf format) over a small portion of this. The LIDAR typically covers the broader area and is used for broader studies, ...
1
vote
1answer
330 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?
3
votes
0answers
61 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, ...
10
votes
1answer
21k views

creating a dem from contours

I have a large set of contours that I received broken down into several different subsets. I have merged most of the subsets together creating a larger set of contours in three different files. I have ...
1
vote
0answers
144 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?
1
vote
1answer
71 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?
3
votes
1answer
612 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 ...
4
votes
2answers
681 views

How to build cylinder or cube multipatch objects in ArcGIS?

I'm trying to visualise a series of boreholes, which consist of points on the ground surface, and soil sample values taken at 0.01m depth intervals (in a related table). eg in this screenshot, I've ...
1
vote
0answers
308 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
2answers
70 views

ShapeFile with Z Co-ordinates

I have 3 shapefiles, two of them wihtout the Z Co-ordinates elevation but 1 of them has a Z co-ordinate elevation. I can load two ShapeFiles into my SQL Server Database which does not have Z ...
2
votes
0answers
401 views

LiDAR point cloud to 3D model of street [duplicate]

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 ...
0
votes
1answer
175 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
votes
1answer
147 views

GRASS GIS v.in.ply

I'm trying to import a .ply file from MeshLab 1.33 into GRASS GIS 7.0 using v.in.ply addon, but I get the error message: ERROR: List index must be integer, is uchar This appears to be referring to ...
1
vote
0answers
106 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 ...
0
votes
2answers
178 views

How to bring 3D object into 3D application?

I'm doing some GIS as part of my college course and have just started to do some 3D modelling, I'm really a GIS novice, The module is short (only 5 lectures) My lecturer has said that it is possible ...
2
votes
1answer
1k views

Detailed topographical map of Istanbul

I need to acquire a very detailed topographic map of Istanbul, Turkey without any markers. Do you know such sources who provides these kind of maps? I tried to Google it, but the results were far ...
2
votes
1answer
335 views

Use arcpy to check whether feature class geometry has ZM

I am looking for a programmatic way using arcpy to determine whether or not a feature class (FC) has Z and/or M geometry. It's easy enough to get the geometry type using the code below, but this just ...