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Questions tagged [tin]

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

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7 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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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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13 views

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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15 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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1answer
23 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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16 views

Creating TIN from ASCII files containing coordinate definitions in QGIS

In Arc GIS you can create a TIN from ASCII files with coordinates. Is there an equivalent in QGIS 3?
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18 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 ...
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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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70 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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42 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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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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1answer
47 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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50 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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68 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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34 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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52 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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64 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 ...
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1answer
436 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
171 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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77 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 ...
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1answer
285 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
42 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
34 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.
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1answer
104 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 ...
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1answer
112 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. ...
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1answer
172 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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414 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 ...
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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 ...
3
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1answer
447 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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0answers
107 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 ...
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2answers
332 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
100 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
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1answer
321 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
376 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
254 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 ...
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1answer
434 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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2answers
602 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 ...
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1answer
295 views

Slow rendering of tin of large area in ArcMap?

i am using ArcGIS 10.3.1 and working on TIN generation for entire H.P(India). I have downloaded DEM & generated TIN but it is very slow and when I am doing anything the entire TIN starts forming ...
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1answer
129 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
135 views

how do I fix this QGIS TIN error?

I'm trying to interpolate a point file that comes from a surface water model output. Each subgrid point has an elevation, and that was used with the cell water levels to generate values for percent of ...
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0answers
113 views

Display points with lowest elevation within a 1m2 grid - QGIS 2.18.2

I have a few thousand points measured with totalstation from an archaeological site. The points are measured quite unevenly which makes TIN triangulation and subsequent DEM generation a mess. Some ...
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0answers
509 views

Interpolation of point data gives no data values in QGIS 2.18 [closed]

I am for the moment, quite stumped. I have a layer of points to which i have retrieved values from an underlying raster. From these values, I am trying to create a TIN, using the Interpolation tool in ...
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1answer
184 views

Creating TIN raster from point layer from Google Earth in QGIS?

I created height layer from google earth from https://www.youtube.com/watch?v=bLbY3iMBW-A. The attribute table of the layer is: The "ALT" field is the height from. My problem is when i try to ...
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2answers
188 views

Making a TIN from an orthophoto

In ArcGIS for desktop I'm trying to create a TIN from an Orthophoto that has control points, the photo is high quality and has a huge amount of control points. I'm just having issues creating the TIN ...
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2answers
1k views

How can I create a fill beneath my 3D surface in ArcScene?

I came across this image on http://desktop.arcgis.com/en/arcmap/latest/extensions/3d-analyst/choosing-the-3d-display-environment.htm I would like to create something similar that shows the below ...
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1answer
660 views

How to compare a TIN and IDW-derived raster DEM quantitatively?

I'm a student and got the assignment to compare a TIN with a height raster 'quantitatively' and I'm not quite sure how to proceed. I tried subtracting the one from the other but it doesn't seem to be ...
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3answers
4k 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, ...
2
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1answer
666 views

Converting TIN to Multipolygon in PostGIS?

ST_Tesselate returns TIN geometry. But then I need to use other software to process geometry data and it only accept (multi-)linestrings and (multi-)polygons. Is there way to convert TIN triangles ...
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1answer
1k views

Creating Tin from Features? [closed]

I'd like to find in QGIS the same tool as in ArcGIS "Create Tin from Features" from the 3D Analyst Toolbar. How can I do that ?