Questions tagged [tin]

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

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TIN creation process generating error

I'm having trouble generating a TIN. Repeatedly, I obtain: ERROR 050035: no features were added to the TIN. I can't figure out what I'm doing incorrectly. There is only one feature, namely "...
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3answers
4k views

Generating TIN from elevation data in Python [closed]

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 ...
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1answer
39 views

Interpolating z Values (height) from TIN (Raster) to line (vector) using QGIS

I have a raster (TIN) and I want to interpolate the heights (z-Values) to a line Shape. Everything that I find is interpolation between some points and making a raster. For example, Raster creation ...
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1answer
36 views

TIN interpolation to construct DEM shows strange triangulation

I'm working with QGIS and I am trying to create a DEM starting from a DXF containing the grid of points located at 5m from each other. The following picture shows the points imported: I used a TIN ...
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108 views

Understandiung difference between TIN interpolation methods Linear and Clough-Toucher of QGIS

I started to study TIN in QGIS and created my first TIN from a point layer with elevation. There are two interpolation methods called Linear and Clough-Tocher that give very different results. Linear ...
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17 views

Using ArcMap to build a Terrain DEM that looks exactly the same as a TIN built from the same point shapefile

I am attempting to replicate DEMs previously constructed as TINs in the Terrain format. Building a Terrain and a TIN out of the same point shapefile produces two maps that look extremely similar, but ...
7
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2answers
16k 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,...
2
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1answer
90 views

TIN Output empty raster and corrupted Triangulation network

In Qgis: I've got a point shape (EPSG:3398) with some height info and want to create a TIN interpolated raster with the Qgis TIN-Interpolation tool. But after running there was a raster created, which ...
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27 views

Creating a TIN model from a .txt file

I am having an issue with creating a TIN model. My task is to create a map of Plymouth Sound for my UNI work. I have a .txt file with eastings, northings and elevation (Ill attach it). Due to covid ...
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1answer
59 views

Convert GOCAD .ts file to a raster for ArcMap Analysis

I have a multi-layered (10 layers) GOCAD .ts file of data that I would like to convert into a series of rasters. The documentation says it requires a program capable of reading GOCAD * .ts (...
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1answer
146 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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59 views

QGIS TIN Interpolation won't run (reports “Wrong or missing parameter value: Input layer(s)”

I'm trying to run the QGIS Tin Interpolation command, but get the following error message when I try to run the command: "Wrong or missing parameter value: Input layer(s)." The vector input to the ...
2
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1answer
136 views

How to digitize a feature to include elevation data and interpolate slope in QGIS

I would like to take this archaeological drawing and use QGIS to create a something similar to a DEM or TIN, so that depth/elevation values can be quickly and clearly understood. I do not know what ...
2
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1answer
651 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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Why do layers disappear in ArcScene when I try to drape them to the TIN?

I'm new. I did see this was asked a couple years ago, but I didn't understand the answer. It said It's the projection. You're in ArcScene so be sure all of your layers are in Conic! I have no idea ...
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1answer
78 views

DEM interpolation, QGIS 3.10

A friend of mine gave me DEM resolutions of cells 5x5m, but there is something wrong with interpolation. When I try to make a cross-section of the terrain I get a pretty inaccurate cross-section, with ...
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1answer
65 views

How do I view and export table with slope data for raster and TIN?

Using an original point file, I created a DEM raster with IDW interpolation as well as a TIN. I used surface analysis to create 3D slope layers, one with degrees for the raster (IDW) and one with ...
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15 views

Calculating Raster field with a TIN (raster + TIN)

I am working with raster and a TIN surface in ArcGIS Pro. For every cell in the raster, I want to add the overlapping TIN value onto the raster value (raster + TIN). Is this possible with field ...
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0answers
23 views

Non-square raster pixels created during TIN Interpolation?

I am trying to create a raster by using the TIN Interpolation tool in QGIS. I'm using a 3D polygon shapefile as input. I'm looking to create a raster of square pixels, although despite specifying a ...
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0answers
38 views

Error Message: The coordinates or measures are out of bounds

When extruding between 2 TINs using a polygon feature class, above error is received. The coordinate system for each layer is consistent, the shapefile has no Z or M values, and I have recalculated ...
2
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1answer
209 views

Opening TINs in QGIS

I have created several TINs in ArcGIS and want to do further calculations on them in QGIS. For every TIN I have a folder with some .adf-files and one metadata.xml file. If I drag and drop the folder ...
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1answer
71 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.
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1answer
133 views

Interpolation (TIN) from Python Console in QGIS

I am referring to the most voted answer by root676 in Calling interpolation plugin from Python console of QGIS. root676 ends his/her answer with: Keep in mind that the QGIS-API is currently ...
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34 views

Calculating sink volume in R via rgrass7

I want to calculate the volume of sinks in a DEM raster in R, since I have to automatize the workflow later. Following the results of my previous question (Creating depressionless DEMs with rgrass7) I ...
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1answer
189 views

Creating TIN using R

I have some rasters (.tif) and need to identify sinks and calculate TINs for sink volume calculations in R. I have done this before using ArcGIS but for various reasons I want to use R now. I'm not so ...
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2answers
2k views

TIN file to a POINT file

I have some bathymetry data in TIN format; I am able to open this in arcmap and view the terrain. However I need to use this data within a simulation framework called Delft3D, which needs the ...
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1answer
72 views

Changing lakebed symbology to relative depth in ArcGIS 10.5 (TIN or raster file)

I have several TIN files representing empty lakebeds at altitudes ranging from 5000m to 3000m. I have calculated the TINs using ArcGIS hydrology tools and an ASTER v3 DEM projected to ...
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0answers
161 views

Way to speed up TIN interpolation (Delaunay triangulation) QGIS 3

Are there ways to improve processing time for TIN interpolation? I'm using TIN interpolation as a step in a larger process. The interpolation step is taking a very long time (10+ hours to a few ...
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1answer
62 views

Calculating volume of several TINs in ArcGIS Desktop

I am trying to calculate the volume of several TINs using the 3D Analyst of ArcGIS 10.5. My data can be found here: https://drive.google.com/open?id=1ERFdsqDGLH1a_FbxwawE_gPm0Au0Q9vT For a start, I ...
3
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1answer
1k views

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

I am a complete beginner in GIS and taking a class right now, and we are doing some assignments in ArcGIS Desktop (ArcMap). In one of them we were given a shapefile with heightpoints. These had been ...
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2answers
3k views

Reading Esri TIN file directly using QGIS

Can QGIS open directly a TIN file generated with ArcGIS Desktop?
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2answers
1k views

Reading .adf (TIN) map files using GDAL

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 ├── [1.1M]...
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26 views

Converting 3d shapefile of triangulated surface to TIN or raster using ArcGIS Pro

I have a 3D shapefile containing a triangulated terrain surface. I am trying to convert this surface to a TIN or raster to work with the elevation values, using ArcGIS Pro 2.4.2. I am using the ...
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20 views

TIN file not creating

I want to create the DEM by using the contour lines but I am unable to do so. Following the 3D analyst tool > Data Management Tool> Create TIN. Then I added contour line (shape file) as an input file ...
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Getting TIN Statistics in ArcGIS Pro with 3D Analyst

I'm trying to get basic descriptive statistics from a TIN layer (MIN, MAX, MEAN, STD) to compare it to IDW interpolation data of the same study area, but can't seem to figure out how to retrieve ...
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23 views

Using TIN Editor of ArcMap

I am creating TINs from raw survey data, hard bank lines, and a polygon extent I drew around the survey points of a stream reach. The TINs were created, and I attempted to use the 3D Analyst extension ...
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0answers
201 views

Finding slope of polyline in QGIS? [duplicate]

I am using QGIS 2.2 Valmiera to try to find the average slope of a water course. I've drawn in the water course as a polyline over a large number of contour lines (the water course is long with a very ...
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1answer
215 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 ...
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1answer
444 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 ...
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0answers
22 views

Disorted Raster Using TIN

I'm trying to create DEM based on TIN from points layer that I have. this is how the layer looks like- when I try to use the TIN interpolation tool I fill it like that and I use the layer extent- as ...
2
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1answer
477 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
19 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
2k views

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 ...
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0answers
161 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~...
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71 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 ...
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146 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
35 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
107 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, ...
2
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3answers
5k 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, ...
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1answer
143 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 ...