Acronym for triangulated irregular network. A vector data structure that partitions geographic space into contiguous, nonoverlapping triangles.

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30 views

How to project 2D (poly)lines and polygons on a point cloud or a (tri)mesh (TIN)?

I'm searching a way to project 2D (break)lines and polygons (they are in an ESRI shapefile but I can translate them to something different if needed, like geojson for example) on a point cloud (seems ...
2
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1answer
180 views

ST_Within for TIN or 3D objct in PostGIS

I would like to query if a point is located in the TIN object. My TIN object is closed (convex hull) object (i.e. surface of a round object). I tried to use ST_Within, but the error message returns as:...
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1answer
501 views
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1answer
20 views

How can I add features to a GRID raster dataset?

I am using a high resolution GRID, but unfortunatelly have realized I have portions of no data within it. As a solution I have decided to create and add the elevations myself for some of the areas. In ...
1
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0answers
27 views

Understand ramp color interpolation using QGIS 2.12

I try to understand the color ramp in TIN and IDW interpolation. I work with height points layer. The low value in 8 and the highest value is 584. With the interpolation plugin i create TIN raster ...
0
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1answer
33 views

Raster to TIN error

I have a big raster file (6,5gb) that I am trying to convert it to TIN format. What happens is that after 15-25 min of processing I get this error message Can someone tell me how can I fix this?
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0answers
11 views

Loading TIN files in Javascript and converting to OBJ file

I am absolutely new to GIS/TIN files. I have to load a "Triangulated Irregular Network (TIN) file and render it. I am looking for javascript libraries that can load the file and convert it to .OBJ ...
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0answers
22 views

Adding Z value(point layer) base on Tin (or DEM) height?

I have DTM (DWG). I use ArcScene tool called Create Tin to get this base layer. This base layer is polyline Tin layer(I think this calles DEM) Then I make point layer to 3d layer(original just 2D, ...
3
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1answer
43 views

Exporting ArcGIS TIN file to *.tin file?

How can I create a .tin file from a ArcGIS TIN file? I cant seem to find a export to .tin solution.
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1answer
21 views

3D Analyst tools (TIN)

I have created an elevation contour (topography) with TIN using a spreadsheet of coordinates and elevations of some points. now I want to find the elevation of a new point with these contours. how can ...
2
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0answers
34 views

Optimum Path finding (for Cross Country Movement) using TIN (Triangulated Irregular Network)

I am working on path finding algorithm (using A*) for cross country movement (not for road movement) on map using grid based approach. Algorithm supports path calculation considering slope of terrain. ...
7
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2answers
750 views

(Smooth) Isoline Extraction from TIN - Algorithms

Can anyone point me to a clear document or algorithm for extracting smooth isolines from a Triangular Irregular Network? I've seen some examples using the jagged linear methods, but can't seem to ...
1
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1answer
43 views

Tin created from raster have different profile graphs?

I have created a TIN file from a Raster one, but the profile graph from TIN is different from the Raster. Here I attach a image where in the left is a profile graph from the raster, and on the right ...
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0answers
11 views

Adding elevation features to existing TIN

I have generated a flood plain surface TIN using stream thalweg, banks and spot elevation data. I want to add additional elevation layers of bridges, roads and railway lines to existing TIN to ...
2
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0answers
36 views

QGIS estimate height of feature vertices from TIN

I have a TIN representing a digital terrain model, and another polygon layer representing features (e.g. building outlines) which is assumed to 'sit' on top of the DTM. How do I calculate the ...
1
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0answers
21 views

ARCscene Extruding between constant TIN's to calculate bed volume within oil window?

I don't seem to be able to extrude between two tins created from constant rasters. Will the extrusion tool not wort between Tins which are copied and pasted and altered in position by me after their ...
2
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1answer
177 views

TIN Interpolation in QGIS creates weird lines?

I am using TIN Interpolation to interpolate point features based on their cost attribute (value is between 0 and 5000). Graduated symbology creates something like this: However when I am using TIN ...
1
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1answer
56 views

Extracting coordinates of a triangulation from DEM data

I'm working on the succinct representation of planar graphs and now I'm trying to obtain some datasets to test my results. I saw that Delaunay triangulations of elevation data can be a good source of ...
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0answers
31 views

How to remove white stripes in TIN generated in Arcgis?

I've generated TIN from DEM data using toolbox (3Danalyst/conversion/from raster/raster to tin) in arc-desktop 10.2. I'm getting these stripes, I tried altering toolbox parameter values but couldn't ...
4
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1answer
914 views

How to give elevation information to a polygon feature class using existing TIN file ? (geological mapping)

I'm an ArcGIS 10.1 user. My issue: I have a printed form of a map which depicts geological bodies being surface rock occurence. Additionaly, there are elevation contour lines. I digitized the map by ...
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0answers
4 views

Is there any publication about TIN MDE file formats like ESRI TIN or ITF?

I would like to cite in my thesis how GIS software deal with TINs both via files and in the memory during execution. Any scientific or technical publication about GIS file formats would be helpfull. ...
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0answers
35 views

Is it possible to create TIN layer and add to Data frame?

I have list of TIN. I basically want to add TIN using arcpy.mapping so that when I open .mxd, TIN is added. tin_list = arcpy.ListDatasets('', 'Tin') for tin in tin_list: arcpy....
2
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2answers
306 views

Generate TIN from elevation data in Python (no Arc)

I would like to generate a 3d terrain model of an area, and I am stuck on creating the TIN (which I will convert to an STL). I know there are plenty of ways to use ArcGIS, QGIS, 3DEM, and various ...
6
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2answers
1k views

Has (ESRI) TIN been superseded by Terrain Dataset?

I've had version 10 for a few months but it wasn't until today that I really tested the 3D Analyst extension. (Other then visualizing data) I already noticed a lot of changes; a number of tools have ...
1
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1answer
2k views

How to make polygon volume in TIN surface?

I want to measure surface volume of an area in different elevation layer. For measuring the surface volume I have to make a Polygon Volume as well. I have problem with making this polygon over the ...
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0answers
45 views

Changes in TIN and Lattice between ARC/INFO Version 4.0 and ArcGIS 10.1 for Desktop?

Our team surveys a sedimentation pond every year to assess change in storage volume (or dredged volume), and we've been doing the same survey for decades. We survey x,y,z points, create a TIN from ...
1
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1answer
39 views

How to identify Sliver triangles in a TIN surface and count them? [closed]

Is it possible to count slivers in a TIN? I generated a Delaunay triangulation surface model and i want to know how many slivers the TIN has.
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0answers
48 views

Modelling open water flow in TIN-model using ArcGIS for Desktop?

I have a TIN-model created from 1800 xyz-coordinates (that I also have). There is an pipe leading all the water in and on for all the water out. I would very much like to simulate movement of the ...
4
votes
3answers
1k views

What are limits on ArcScene and TINs from LiDAR?

I am trying to load anywhere from 5 to 10 LiDAR TINS into ArcScene. I am using ArcGIS Desktop Evaluation (student) 9.3.1. I just built a new computer with a AMD Phenom II X6 1090T six core processor, ...
3
votes
1answer
789 views

Interpolating contour lines from TIN-model vs Grid in ArcGIS for Desktop?

I am a complete beginner in GIS and taking a class right now, and we are doing some assignments in ArcGIS - ArcMap. In one of them we were given a shapefile with heightpoints. These had been manually ...
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0answers
160 views

Difference in contour lines derived from IDW and TIN in ArcGIS for Desktop?

I would like to know the difference between contour lines derived from IDW and contour lines derived from TIN. I have collected GPS points, and I know the elevations are not accurate but it is within ...
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0answers
32 views

Contours from delaunay triangles

I have generated a delaunay polygon file that represents terrain data. Is there a way I can produce contours from the polygon file? I know I can convert the polygon to an Esri TIN, and then produce ...
2
votes
1answer
2k views

Converting mosaic dataset to TIN gives error? [closed]

I merged several DEMs together in on single DEM with mosaic dataset. Now I wanted to convert this mosaic dataset in Vector with TIN. But when I use the tool (3D Analyst Tool) Raster to TIN comes an ...
1
vote
1answer
409 views

How to read .adf (TIN) map files?

I have a set of maps in few formats : TIN ├── [4.0K] info │   └── [2.6K] arc.dir ├── [ 708] log ├── [374K] M-33-45-D-d-4.asc └── [4.0K] m-33-45-d-d-4tin ├── [ 96] tdenv.adf ├── [1....
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0answers
121 views

Converting raster to TIN in ArcMap 10.1 is causing crashes?

I have several tiles (~200) of Lidar 1m resolution data from Geomatics group and need to convert it to TIN format (currently in .asc) to develop a flood model. Is there a quicker way of doing this ...
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0answers
171 views

Out of Memory and TIN internal processing error ArcGIS

So i have been developing a python script to streamline the process from converting a raw XYZ file to a full blown terrain file. However, in the intermediate process, I am performing a surface ...
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0answers
17 views

Create TIN failing to execute using Python script (ArcGIS) [duplicate]

out_tin = output_folder + os.sep + file out_tin = out_tin.replace(file,river_mile) arcpy.CreateTin_3d(out_tin,sr,"pointfc_filenames Shape.Z masspoints <None>","DELAUNAY") ...
6
votes
1answer
444 views

Problems creating TIN from British Columbia DEM data

Is anyone familiar with creating a TIN using ArcGIS9.3 and British Columbia DEM data (.GEN files)? I can't figure out how to get the breaklines to work during the creation of the TIN. Using ...
2
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0answers
68 views

Generating TIN, manually modified level curves?

Having trouble while generating a TIN on a manually modified topography file. I'm a newborn of ArcGis, but I intensively tried to fix this bug, with no result. As you can see, the bug deals about ...
4
votes
1answer
2k views

TIN Creation from 3D Contour File

I'm currently trying to import a 3D contour file into a QGIS project. How can I export the DXF file from Microstation with height information? I already have imported it to the QGIS project but ...
0
votes
1answer
83 views

ArcGIS Raster To Multipoint Mac/OSX alternative

Is there an alternative to the ArcGIS Raster To Multipoint tool for Macs? The VIP thinning method is particularly of use. A comparative point cloud thinning/simplification tool to this would just as ...
0
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1answer
44 views

Clipping TIN layers to pit shells

I have two TIN surfaces, one being a pit shell and a second being a horizontal layer which intersects the shell on all sides. I need to find out the volume between the intersection horizontal layer ...
1
vote
1answer
665 views

How Can I Create a Tin from Elevation Points in QGIS

I have a shapefile of points with values that represent elevation at the given point. I know that I can create a TIN from these points, but the fields in the TIN do not represent the elevation. Rather,...
1
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0answers
55 views

How to create “undulating terrain” for playground in ArcGIS?

How could I create undulating terrain in ArcGIS? I know I could create it by creating a TIN model but first I need to have "input data" - shapefile with Z (height in attribute). Is there any way I can ...
4
votes
1answer
378 views

Difference between “hard edge” and “soft edge” in Arc's Add TIN Line?

Is there a technical difference between "hard edge" and "soft edge" in Arc's Add TIN Line on the TIN Editing toolbar? In both you can specify the height of this constraint and they seem to be doing ...
0
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1answer
260 views

How to convert ASCII file to TIN where XY is YX in ArcGIS?

I have some ASCII files (you can download it from: http://analizasan.kvprojekty.pl/underwork/gisse/M3451Ca1.zip) that I would like to create TIN. First I used "ASCII3DToFeatureClass" tool to create ...
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0answers
87 views

Calculating minimum elevation surface between two (or many) surfaces

My input files are a series of layers with data points of values (numbers/doubles), either in a 25x25 meter grid, or with data points randomly strewn. Resolution and extents do not match up between ...
1
vote
1answer
850 views

I'm converting a raster to TIN and a large section of it didn't convert properly (ArcGIS 10)

I've got a DEM for a pretty large area and I need to create a TIN. I'm using 3D Analyst Tools > Conversion > Raster to TIN. The process runs without any error messages, but a large section of the TIN ...
0
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0answers
89 views

Generating a TIN Model

I am having a problem creating a tin from a polyline shape file . The shape file was created by exporting from a .dwg polyline layer. The shape file has a field of elevation data . However, when i ...
0
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1answer
91 views

Surface Difference TIN Output in ArcGIS | Python Code

Why does the output TIN option does not work when executing it through a python script or a model builder simulation run? As you will see in the messages below, the surface difference successfully ...