Questions tagged [tin]

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

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66 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 ...
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147 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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1answer
2k views

Exporting ArcGIS TIN file to *.tin file?

How can I create a .tin file from a ArcGIS TIN file? I can't seem to find a export to .tin solution.
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1answer
76 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 ...
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0answers
144 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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1answer
184 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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1answer
767 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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1answer
423 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
66 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
91 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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1answer
310 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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2answers
3k 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 ...
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1answer
84 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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98 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
151 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
119 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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1answer
204 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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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,...
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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 ...
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0answers
114 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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1answer
2k 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 ...
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1answer
953 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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1answer
271 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 ...
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0answers
678 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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1answer
601 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 ...
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0answers
66 views

Equivalent method to arcpy.Raster(), but for a TIN [closed]

I am creating a Python script in a toolbox in ArcGIS 10.0. When the input dataset is a raster, I can use: myRaster = arcpy.Raster('elevation') What should I do when the input dataset is a TIN? Is ...
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2answers
3k views

Clipping TIN in ArcGIS for Desktop?

How can i clip this TIN and form like the polygon.
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1answer
149 views

by 3d dxf to shp with field height [closed]

I have a question from a DXF file " topographic precision 3 cm " with 3d polylines to get one shp line with information 3d is possible?
2
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1answer
561 views

Creating TIN and contours in ArcGIS for Desktop?

I am upgrading from ArcView 3.1 to ArcMap 10.1. I have multiple LIDAR (bare earth) .txt files (x,y,z) that I would like to use to create a "TIN" (or is it Terrain Dataset in 10.1) and then contours? ...
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1answer
541 views

Intersecting polygon of certain elevation with TIN surface?

I want to generate a flood plain for a river in ArcMap. Basically, this means that I want to create polygons with certain elevations above the drainage point elevation (870 m). For instance, I ...
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0answers
176 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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2answers
11k 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 ...
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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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1answer
530 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 ...
4
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1answer
300 views

Edges of Surface Difference tool output are invalid

See this image, an example output of the ArcGIS Surface Difference tool (gives cut/fill volumes): I have occasionally come across the illustrated problem where the output does not cover the full ...
2
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1answer
602 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 ...
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2answers
258 views

TIN to Raster - specify raster's origin [closed]

How could I specify raster's origin, while using arcpy.TinRaster_3d?
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2answers
5k 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 ...
2
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1answer
394 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
936 views

Convert coordinate system of Lidar or TIN?

I have Lidar data and I want to create a TIN from it, and then run the TIN Triangle tool to create a polygon shapefile of the triangles. The only thing is that the Lidar data is in a UTM CS with ...
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1answer
1k 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 ├── [1.1M]...
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1answer
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
1k views

Extracting DEM from imagery using ArcGIS for Desktop?

I'm using ArcGIS for Desktop and I'd like to know how can I extract the elevation model from a imagery of photos. I have the have each image (jpg) geo referenced. After, I don't know what tool may use ...
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3answers
2k views

ArcMap - Making DEM using GPS vector data [closed]

I am new to GIS and GPS. I am going to make a digital elevation model of my school's campus using a trimble gps unit. I know the accuracy is not the best but it is just for a school project. My ...
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1answer
139 views

Creating TIN in ArcGIS from 5 points using VB.NET?

I am asking this question as I do not have any experience in VB.NET coding. I tried to follow ESRI help but I did not quite understand it. I have 5 points with X,Y and Z dimensions. How to add these ...
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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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3answers
753 views

Creating TIN from UAV images or Google Earth images? [closed]

I'm starting using ArcGis and I would like to create a TIN from UAV images. What are the steps that I have to follow? I think: Mosaic the images, merge o join. (I have 40 aereal pictures in .JPG) ...
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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 ...
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1answer
2k 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 ...