triangulation Questions

3

I understand how to use delaunay triangulation in 2d points? But how to use delaunay triangulation in 3d points? I mean I want to generate surface triangle mesh not tetrahedron mesh, so how can I u...

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I have a triangular tessellation like the one shown in the figure. Given N number of triangles in the tessellation, I have a N X 3 X 3 array which stores (x, y, z) coordinates of all three vertice...
Intrepid asked 25/5, 2018 at 23:27

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I'm working on triangulating an object (ultimately, I want to implement a Delaunay triangulation but the triangulation doesn't work even before legalizing edges, so I would like to focus on a simpl...
Giovanna asked 1/5, 2018 at 2:12

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I currently have a stereo camera setup. I have calibrated both cameras and have the intrinsic matrix for both cameras K1 and K2. K1 = [2297.311, 0, 319.498; 0, 2297.313, 239.499; 0, 0, 1]; K2 ...
Pagano asked 2/2, 2016 at 18:19

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I've two netcdf files containing both unstructured grids. The first grid has 3 vertices per face and the second has 4 vertices per face. For the grid containing 3 vertices per face I can use matpl...
Electrocardiogram asked 3/4, 2018 at 23:3

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In my Android application I'm willing to use GPS locations. What are the main permissions that I should included in android manifest file in order to use GPS locations. In case of lost the GPS si...
Bacitracin asked 26/1, 2014 at 1:10

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I am a trying to use matplotlib.tri.Triangulation to generate the triangles for a matplotlibs plot_trisurf. I want to specify the triangles rather than letting the Delaunay triangulation which matp...
Wattmeter asked 21/7, 2017 at 17:34

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I have a point cloud in cartesian coordinates. Using python I would like to wrap those points in a mesh and then take a volume of the cloud. The points are distributed throughout the cloud an...
Bourgeois asked 9/7, 2017 at 13:42

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Ok, so I have a polygon (simple but concave) that I'm trying to cut into triangles to make it collide with an other polygon. I knew my polygone was concave, so i decided to use LibGDX EarClippingT...
Arc asked 20/1, 2015 at 20:7

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I have two cameras attached rigidly side by side looking in parallel directions. Projection matrix for left camera Projection matrix for right camera When I perform triangulatePoints on the ...
Kinson asked 1/10, 2015 at 14:2

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What is the best way to triangulate a polygon with Boost? I use Boost.polygon. My current algorithm: Compute a voronoï diagram from my polygon vertices. Create one directed polygon-edge for eac...
Niobous asked 17/12, 2015 at 18:46

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In Computer Vision the "mid-point" method solves the triangulation problem of determining a 3D point from two 2D points (see here). Is there a generalisation of this to more than two points, say n ...
Breakup asked 28/2, 2015 at 8:39

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I'm trying to get 3D coordinates of several points in space, but I'm getting odd results from both undistortPoints() and triangulatePoints(). Since both cameras have different resolution, I've ca...
Angeles asked 26/8, 2015 at 13:10

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Trying to triangulate a set of simple 2d polygons, I've come up with this algorithm: 1) For each vertex in the polygon, compute the angle between the two linked edges 2) Sort vertices by decreasi...
Crural asked 9/3, 2011 at 15:26

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I am looking for an algorithm or library (better) to break down a polygon into triangles. I will be using these triangles in a Direct3D application. What are the best available options? Here is wh...
Boyd asked 2/1, 2009 at 8:31

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I am using a stereo system and so I am trying to get world coordinates of some points by triangulation. My cameras present an angle, the Z axis direction (direction of the depth) is not normal to ...
Bittner asked 16/3, 2016 at 11:49

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My skill level: Beginner Code: C# (wpf) Hardware: Dell Venue 11 Pro tablet (windows 8.1) I would like to get the current location of my computer via cellular triangulation in coordinates(latitud...
Feedback asked 21/8, 2015 at 18:28

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I am trying to use CGAL to do some Delaunay triangulation. I used one of the CGAL samples to compute a triangulation which includes a height field attribute. The problem I have having is that I ha...
Heuser asked 14/1, 2010 at 21:45

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My task is to render quadratic Bezier curve (path) via Stage3d (Adobe Flash) technology, which have no any extensions for that drawing out-of-the box (while OpenGl have it, as I know). Yea, there i...
Durkheim asked 10/7, 2015 at 8:54

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Well for triangulation you need to have the direction from which your device is receiving the signal.We can calculate Angle of Arrival for that but calculating that angle requires an array of recei...

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Consider this map: I need to understand how Wi-Fi triangulation basically works. The scene is portrayed in the above diagram. In order to implement Wi-Fi triangulation, I need a minimum of three W...
Alcoholize asked 10/5, 2013 at 15:7

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I am researching how to create an app for my work that allows clients to download the app (preferably via the app store) and using some sort of wifi triangulation/fingerprints be able to determine ...
Aglet asked 4/8, 2011 at 17:20

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I am looking for a fast polygon triangulation algorithm that can triangulate not very complex 2D concave polygons (without holes) into triangle strips ready to be sent to OpenGL ES for drawing usin...

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I would like to triangulate between two sets of polygons. One set is always inside the other, in fact, the outer polygons are created as offsets from the original set. Triangulation would be easy i...
Sergiosergipe asked 8/12, 2014 at 23:6

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I'd like to know if it's possible to somehow triangulate (or otherwise) get a location of a moving object inside a defined area, let's say, 200m x 200m, by using radio waves. I've been lookin...
Shushan asked 5/6, 2014 at 10:13

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