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 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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108 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
139 views

Optimum Path finding (for Cross Country Movement) using TIN

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. ...
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0answers
363 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 ...
2
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1answer
399 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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0answers
118 views

Generating TIN, manually modified level curves?

I'm having trouble while generating a TIN on a manually modified topography file. I'm new to ArcGIS, but I have intensively tried to fix this bug, with no result. As you can see, the bug deals about ...
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0answers
1k views

Creating Triangulated Irregular Network (TIN) in QGIS?

I want to create a TIN and view it in 3D in qgis. The tin am creating using interpolation plugin is a raster TIN but i want the normal TIN(vector TIN).
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762 views

TIN to Raster Tool, output elevations are 3.40282e+038 and -3.40282e+038, tried calculate statistics didn't work

I have an input TIN file that I created using Create TIN. The elevations are all correct. When I convert the TIN to Raster using the tool, my output elevations are 3.40282e+038 and -3.40282e+038 I've ...
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0answers
299 views

Is the TIN created out of several cross sections different from merging the TINs created out of each set of two cross sections?

I have a river with cross sections that have the water surface elevation values. I am trying to create TIN from the water surface values and then compare it with the topo (to see the flooded areas). I ...
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0answers
26 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/...
1
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1answer
331 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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0answers
124 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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137 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 ...
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64 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 work between TINs which are copied and pasted and altered in position by me after their ...
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0answers
84 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 ...
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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 ...
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0answers
148 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 ...
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0answers
261 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
111 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 ...
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668 views

Creating TIN, Surface Difference python script with ArcPy?

I have been trying to develop a master script to go through a series of geoprocessing tools and executing them. I am trying to generate a TIN and contours from a raw xyz file. Below is a very simple ...
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141 views

How to define disturbed/clipped contours elevation for Volume Polygon?

I want to calculate surface volume for different layer on TIN surface. I am working on an area in Norway which is 1 km * 1 km. The aim is to calculate surface volume of different imaginary elevation. ...
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85 views

How to get the nodes on the absolute boundary of a TIN with ArcObjects

I am trying to get only the nodes on the absolute boundary of a Tin. But GetNeighbor or LeftTriangle methods return edges whose nodes have NaN Z and very weird X-Y coordinates, so the row is inserted ...
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34 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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0answers
13 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
36 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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45 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
55 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
43 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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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 ...
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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 ...
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0answers
57 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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96 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 ...
0
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1answer
106 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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475 views

Projecting 2D (poly)lines and polygons on point cloud or (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 ...