Questions tagged [tin]

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

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2
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1answer
410 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 ...
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1answer
366 views

cesium quantized mesh generator

We are trying to develop pur own quantized mesh generator and visualize these terrain tiles on CesiumJS. As an input we use SRTM data that belongs to north parth of TURKEY. We generate contours on DEM,...
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1answer
16 views

Raster to TIN tool missed [closed]

In the conversion tool there is not raster to tin and tin to raster tool. Also searching 'raster to tin' , I can find the name of tool, but it doenst work. https://ibb.co/hRrNHyj
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3answers
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Removing distorted edges of TIN surface?

I'm trying to remove the stretched edges of a TIN surface without having to draw a polygon around the features that I want clipped. Does anyone know how to do this without free hand drawing? I was ...
1
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0answers
36 views

Getting AttributeError: 'NoneType' object has no attribute 'sourceCrs' from TIN Interpolation in QGIS?

I am trying to use the TIN interpolation to interpolate conductivities between a vector layer in QGIS 3.4. and I always get this error: Traceback (most recent call last): File "C:/PROGRA~1/QGIS3~1.4/...
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0answers
38 views

Creating TIN using cross sections?

I need to create a TIN using available cross sections, which I already have. I can use Create TIN, but the issue is that it would interpolate across to a nearby cross section which could be from ...
0
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1answer
37 views

Open TIN DEM File format

Anyone know a TIN DEM file format commonly used? In the context of a TIN DEM generator project, I am searching for a file format to save the TIN generated.
3
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1answer
260 views

TIN interpolation problem

I made a TIN interpolation of some height points but the resulting raster appears with some weird lines (like in the pic) What can i do to avoid this result? Here are the input parameters. Sorry ...
0
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1answer
119 views

Calculating TurfJS planepoint values for a set of points / Get containing feature with TurfJS

Turf.planepoint() calculates the z value for a point that falls on the plane of a triangle. I am struggling to make this work with a tin from turf.tin() and a set of points. Is there a turf function ...
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0answers
14 views

Providing multiple inputs to Create TIN tool in ArcPy?

The documentation has a field where you can list the name of your shape, the field, and other variables, but does not give examples of multiple features. The standalone tool supports multiple features....
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0answers
48 views

ModelBuilder Create Tin gives ERROR 000800?

I'm building a model that iterates through several feature classes. Part of the process is creating a TIN from polylines. When I run the model inside the editor it executes correctly without a ...
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0answers
59 views

Why is my DEM raster (.tif) not converting to TIN (Gives “Error 999999” instead)

I am working with a DEM raster file (.tif) which I am trying to convert into a TIN. However it won't let me do this and instead I get the following "ERROR 999999: Something unexpected caused the tool ...
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0answers
33 views

Computing volume of pits with a variable surface edge in a DEM? Multiple TINS per surface? [closed]

I have a DEM of the seafloor. The grid is highly variable, with scour pits throughout the lower right quadrant. I want to compute volume for these pits. It seems all the standard tools such as Cut/...
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0answers
48 views

Generating TIN from features in ArcGIS Desktop?

I am changing surface in some parts of area I use for project. To do that I draw polygons and add elevation to vertices using "Interpolate shape". Then I create TIN for edited parts of terrain. Next, ...
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3answers
3k views

Open source tools to create quantized-mesh tiles for Cesium?

I'm looking for a tool or toolchain to generate quantized-mesh-1.0 tiles that can be used with Cesium. Possible formats for the terrain source are LAS, ASCII Grid or simple XYZ files. As a first try, ...
0
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1answer
89 views

Removing triangles that fall into the concave but exterior part of polygons in ArcGIS Desktop?

I have created a TIN for all the polygons in a block and then converted it to a feature layer in order to be able to delete the triangles that fall in the polygons. Now I want to remove triangles that ...
2
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1answer
4k views

Converting LiDAR point cloud to 3D mesh?

I have an unstructured point cloud of a street in LAS format (.las), scanned from a driving car. The point cloud also stores RGB information. Is there any software that can convert the point cloud to ...
5
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4answers
2k views

TIN interpolation crash in QGIS

I have problems using the function TIN (linear) interpolation in QGIS. The program crashes when larger areas are interpolated. Map properties: vector map, Geometry typ = Point, features in this ...
6
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2answers
10k views

Seeking tool to generate Mesh from DTM?

Are there any tools that can take a DTM, in asc or geotiff format and generate a mesh from this that can used in meshlab or similar software. I have asc DTM file that I need to convert to a ply mesh ...
0
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0answers
26 views

SurfaceVolume 3D Unit

In ArcMap 10.3 I calculated the volume of a valley below a sepcified height. Therefore I try to figure out in what unit the volume is calculated in the SurfaceVolume-Tool. I like to know, if the ...
1
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1answer
138 views

Modelling fault plane using TIN? [duplicate]

I am working on a project which runs on ArcGIS platform using VB.NET. It is to model a sub-surface fault plane (currently a plane rectangular model with some dip) and then to find required distances ...
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0answers
55 views

Specify output data type from TIN interpolation

Is it possible to specify the output data type when running a TIN interpolation in QGIS 3.0? I don't see any options I can use to specify the data type, it is defaulting to float64. I need the ...
3
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2answers
4k views

Converting from ArcGIS TIN to LandXML?

I am working on a project that involves some back and forth between ArcGIS 10.1 and Bentley Microstation and Geopak. Microstation/Geopak has the ability to import/export LandXML files for 3D ...
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0answers
60 views

Attributing height data from points to Polylines for Tin creation?

I have to make a TIN of water surface height from about 170 points which have been collected from RTK along a river. The points however are few and far between and rarely on the opposite banks to ...
0
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1answer
327 views

How to add TIN surface Z values into Z field of line vertices in ArcGIS Desktop?

I want to transfer Z values of TIN surface into Z field of line vertices. This line feature class is covered by this TIN surface. I used interpolation shape tool but this tool is disrupting line ...
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1answer
149 views

Blocky Raster from TIN. How to increase resolution?

So i am trying to create a seamless DEM using a DTM created in pix4d with a 5cm resolution (Raster). I have then collected RTK bathymetric data which i have turned into a TIN below To create a ...
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0answers
72 views

Seeking inexpensive GIS software that can export TIN files to AutoCAD? [closed]

I'm an architect who would like to be able to download 3D terrain info and then bring it into AutoCAD 3D for use in renderings and animations using a couple of rendering/animation softwares called ...
2
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0answers
41 views

Polygons hull QGIS [duplicate]

I'm currently working with old french cadastre on QGIS, I've vectorised it and now I want to tile it. I've georeferenced it, but it's not sufficient for a great result. To improve the result, I would ...
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0answers
33 views

my search engine is not responding in arcgis [closed]

I am unable to use the search engine in ArcMap. I am trying to create a TIN but when I type TIN (Triangulated irregular networking) into the search space ArcMap doesn't respond.
2
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1answer
794 views

Script for Editing TIN in Arcgis: modelbuilder works, when exported as script gives an error

Arcgis can give such a headache! I want to automate loads of small tasks, and so I need to edit empty TIN with python in order to create a full TIN. My srcript is giving errors, so I tried by hand to ...
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1answer
106 views

ST_Overlaps for 2 TIN geometries

ST_Overlaps, ST_Contains, ST_Touches, ST_Within works for TIN with point data. But, when I try with 2 TIN it gives error. Could you please help me understand the reason for failure and how to fix it. ...
0
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1answer
156 views

Choosing geometry to store tin format data to support spatial queries?

What is the best way to store 3D TIN data in postgis, to support queries like st_intersects, st_within, st_overlaps, etc. I can't use TIN since it only supports st_intersects.
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0answers
378 views

ADF Raster File to TIN Points?

I received a folder containing different .adf files ranging in size. My task is to turn this into a TIN file which then I can bring into Microstation. I have searched the web for days and it all ...
5
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2answers
13k views

Creating 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,...
0
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1answer
64 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 ...
2
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1answer
595 views

Using TIN - interpolation plugin - to calculate volume

I am having trouble calculating the volume of my TIN. I have attempted to create a TIN using the interpolation plugin in QGIS. Here are the steps that I followed. I added a Zvariable row in the ...
0
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1answer
742 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
97 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 ...
3
votes
1answer
410 views

Interpolate (TIN) within a polygon extent QGIS/GRASS

I am trying to interpolate (TIN) in QGIS to produce surface models. I need to interpolate within a polygon area extent. The options available in QGIS do not allow this as far as I am aware. Is there ...
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1answer
521 views

TIN gets distorted using hard clip to edit it?

I have two cross sections from which I have created a TIN as can be seen in the following image. For removing the extra outer portion of the TIN, I created a polygon from the cross-sections and edited ...
3
votes
0answers
102 views

Generating TIN from elevation data in Java [closed]

I would like to generate TIN from standard elevation data in Java. Are there any libraries I can use? I could not find any just by googling. In addition library should be suitable for commercial use ...
0
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2answers
317 views

Extrapolating surface in ArcGIS Desktop?

I'm trying to calculate the volume of a landform under water in ArcGIS and here's what I decided to do: Convert the raster of the bathymetry that I had to a gridded point dataset using Raster to ...
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0answers
99 views

Tiling triangulated irregular network (TIN)

I want to generate vector tiles for TIN which I created from elevation data. I want to use Tile Map Server (TMS) specification for vector tiles. But I did not understand how tile bounds can be ...
2
votes
1answer
305 views

PyQGIS interpolation classes and triangulation file without interpolation raster

I am trying to interpolate lines using Interpolation plugin in QGIS. There is an option for exporting triangulation file. I don't want to create raster interpolation. In this case, I want only ...
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1answer
87 views

Creating a TIN from beach profiling data

I'm a university student and have some experience with GIS but not loads. For my dissertation I am measuring beach profiles, using a dumpy level surveying technique, of some nesting habitats for the ...
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1answer
242 views

TIN interpolation errors and weird lines [Qgis 2.18]

I want to create an elevation model in EPSG 4326 from 2 shapefiles [img0] : elevation lines [Altimetria linee Antrodoco] and elevation points [Altimetria punti Antrodoco], both obtained by the ...
3
votes
1answer
400 views

Converting 3D shapefile to TIN

I have a 3D building model (Polygon ZM) that I would like to turn to DEM, following the accepted answer to Elevation data from 3D shapefile of buildings to raster DEM According to the description, ...
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vote
2answers
547 views

Creating TIN says Maximum number of data points has been reached?

I am trying to create a TIN layer based off of a DEM. I watched a video about going to the "Base Height" section of the layer properties and selecting "Floating on a custom surface" to create a ...
1
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1answer
2k views

Converting raster to TIN and large section did not convert properly?

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 ...
6
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2answers
2k views

Has TIN been superseded by Terrain Dataset in ArcGIS?

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 ...