3D is an object that has three dimensions.

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10 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 ...
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2answers
53 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 ...
1
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0answers
45 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 ...
1
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1answer
245 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 ...
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 ...
0
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1answer
121 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 ...
6
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2answers
189 views

How to sample a 3D raster along a 3D path (or 4D raster along 4D path)?

I have a 3d raster dataset of atmospheric variables (lat x lon x altitude). I would like to sample this raster dataset along a 3d path. Any idea how I can achieve this, preferable with qgis or ...
0
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1answer
46 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 ...
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2answers
446 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 ...
3
votes
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 ...
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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 ...
8
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5answers
20k views

How can I create profile cross-sections in ArcGIS 10?

Because the default 'Profile Graph' tool was not sufficient, I wrote a custom VBA script that creates scaled and exaggerated profile cross-sections in ArcGIS but I need more features: Visualize more ...
1
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1answer
145 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 ...
0
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2answers
105 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 ...
1
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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 ...
0
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1answer
220 views

Z value (height,altitude) from 3D multipoint shapefile in QGIS

Is there a way to get Z value/height/altitude from 3D multipoint shapefile in QGIS? All I found is way through SpatiaLite or PostGIS as explained here: ...
2
votes
1answer
76 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 ...
3
votes
1answer
67 views

Is it possible to draw a 3D Choropleth Map in ArcGIS?

What I have in mind is something like these two examples below: Also, if it is not possible to create a 3D choropleth map in ArcGIS, is there some other GIS software package that can draw 3D ...
2
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1answer
35 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
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1answer
71 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 ...
21
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7answers
5k 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 ...
6
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5answers
2k views

3D subsurface modelling

I am a student and initiating a thesis project for MS specialize degree in geophysics. I am working on tectono - stratigraphy of some area and want to do the 3D subsurface modelling of the same area ...
2
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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 ...
4
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2answers
78 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 ...
0
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1answer
64 views

Creating 3D Buildings for Google Earth?

I want to learn creating real 3D buildings to use them for google earth. What is the best software for that? And What are the best books/tutorials to start with. Thanks
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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 ...
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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.
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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, ...
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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0answers
14 views

TIFF, TFW and 3D Integration [duplicate]

I have a bunch of tiffs and their corresponding tfw. 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 ...
6
votes
1answer
2k 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 ...
3
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0answers
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 ...
4
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2answers
673 views

Using Calculate Field (Data Management) tool to calculate 3D Length in ArcGIS 10.1

I'm relatively new to the world of model builder and scripting, so it's likely there is a very simple solution to the question I've been trying to figure out. I'm trying to create a tool that takes ...
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 ...
0
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1answer
28 views

What is the difference between `Area_2D`, `Area_3D`, and `Volume` in surface volume calculation? [duplicate]

I want to know the meaning of output text files of surface volume dialog box. For example, the file contains headers and numbers as below: Dataset, Plane_Height, Reference, Z_Factor, Area_2D, ...
6
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4answers
2k views

Is it possible to create 3D dxf with OGR?

Does anyone know if it's possible to create a 3D dxf with OGR. I would like to assign our contour lines a z value and export them to dxf for some cad work. PS I know FME can do this, however I would ...
2
votes
1answer
223 views

Creating 3D terrain from point data in PostgreSQL?

I am quite new to arcgis and I would like to create a 3d terrain. Now I have a postgresSQL table containing a list of points with their geometry data and the Z value for each point. What I would ...
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 ...
0
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0answers
11 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 ...
1
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1answer
25 views

Unsplitting Zpolylines without flattening vertical line segments?

Trying to figure out how to fully keep vertical line segments when using Dissolve/unspit lines... The first image shows the original Zlines in Arcscene The second image is the result of a Dissolve ...
1
vote
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 ...
3
votes
1answer
2k 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 ...
3
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0answers
29 views

How do I map points on a 2D map to a 3D illustration of the same area? [duplicate]

I'm looking for advice on how to build an algorithm that maps any point on a map to a point on another map, interpolating where needed. Let me better clarify with an example of what I concretely ...
1
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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 ...
2
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1answer
27 views

3D Bulk Modelling tools in GIS

I work in an Architectural practice concentrating on large scale urban planning and Urban Design Schemes. Our current software is not really geared for this sort of work. We need to be able to ...
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1answer
193 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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3answers
880 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?
2
votes
1answer
44 views

SDO_Inside equivalent in PostGIS for 3D objects

I am looking for a solution for querying a point whether it is located inside a 3D object or not. If the point is located on the surface of 3D, I could use ST_3DIntersects or ST_3DIntersection. But, ...
2
votes
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.
1
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1answer
75 views

How to increase the resolution of a 3D image in QGIS GRASS NVIZ

I'm trying to display 3D data in NVIZ within QGIS, but the result appears very low resolution in comparison to the same data in ArcScene. Any ideas as to how to improve the quality would be greatly ...