triangulation Questions
3
Solved
I am a developer of the open-source game, Bitfighter. As per the following SO post, we have used the excellent 'Triangle' library for mesh-zone generation for use with our in-game AI (robots)...
Monometallic asked 16/4, 2013 at 17:3
4
I'm running a marching squares (relative of the marching cubes) algorithm over an iso plane, then translating the data into a triangular mesh.
This works, but creates very complex mesh data. I wou...
Calvert asked 27/7, 2013 at 9:50
2
Solved
I have an array that will be 100 * 100, I can access any point like
map[x][y]
It kinda will look like this:
for i in map:
for ii in i:
print ii,
print '\n',
output:
. . . . . . . . . . .
....
Spann asked 1/4, 2014 at 4:48
1
Solved
I have a stereo-calibrated camera system calibrated using OpenCV and Python. I am trying to use it to calculate the 3D position of image points. I have collected the intrinsic and extrinsic matrice...
Casmey asked 11/3, 2014 at 18:51
2
Solved
I'm working with a stereo pair of photos, and trying to obtain a set of 3D points from matching points on these 2 images. How exactly is the 3D point triangulated? Do you throw a ray from the camer...
Punctuation asked 23/12, 2011 at 12:45
1
Solved
I start working in an android application that determin the position with the WI-FI Signal Strength.well i read a lot of theses and every time a found a new idea and new concepts ,and that made me ...
Nudibranch asked 18/2, 2014 at 10:22
1
I'm working on path finding for an RTS game, where I am building a navigation mesh from the game's grid.
I have written an algorithm similar to Marching Squares which creates and simplifies the b...
Weingarten asked 8/12, 2013 at 20:33
1
Solved
This question is a sequel of a previous one but regarding this time the colormap and the order of the triangle. I want to interpolate experimental data over a surface so as to enable a continuous c...
Malines asked 18/11, 2013 at 17:24
1
Solved
I'm trying to get the 3D coordinate of a point from the triangulation of two view.
I'm not really sure if my results are correct or not.
For example I'm not really sure if the sign of the coordinat...
Barbra asked 1/8, 2013 at 7:15
2
Solved
(The small dots in the corners are the nodes and the red dot is the person being tracked)
Coordinates:
Node X Y Position
1 0 0 Top left
2 450 0 Top right
3 0 450 Bottom left
4 450 450 Bottom righ...
Benign asked 26/7, 2013 at 19:45
5
I'm looking for a .NET implementation which builds Delaunay triangulation from set of points.
I have already tested couple of implementations but they all worked only for small amount of points (u...
Goblin asked 5/9, 2011 at 14:37
2
Solved
Is there a package to convert a distance matrix to a set of coordinates?
I have gone throught the below question. I was hoping there would be a package for this.
Finding the coordinates of points ...
Sellma asked 24/6, 2013 at 8:53
2
Solved
Which is in your opinion the fastest available Delaunay triangulation algorithm for GPU? Or more general, in parallel
Reprobation asked 25/10, 2011 at 14:36
4
Solved
I have plotted n random points (the black points) and used delaunay triangulation, now I want to interpolate m random evaluation points (the red points) so I need to calculate which triangle the ev...
Titanite asked 12/4, 2013 at 10:26
3
Solved
I would like to create a simple C++ application that, given 100 random points (with their convex hull) it will triangulate this points' cloud. I've searched for this subject and I can see that Dela...
Clinometer asked 28/3, 2013 at 16:5
5
Is there any package/software which can do Meshing of Point Clouds in real time?
What is the data structure used to represent 3D Point Clouds ?
Landsman asked 19/1, 2010 at 18:56
5
I've recently encountered a need for a library or set of libraries to handle operations on 2D polygons. I need to be able to perform boolean/clipping operations (difference and union) and tri...
Es asked 13/6, 2010 at 20:9
2
Solved
I would like to triangulate a non-planar polygon (i.e. the vertices do not lie in the same 3D plane). The polygon consists of many points (hundreds). The triangulated surface does not have to be sm...
Celia asked 13/9, 2012 at 16:57
2
I need to calculate triangles of a polygon. Polygon can contain holes. And Req an efficient way.
So I think I need Constrained Delaunay Triangulation.
I must do that in c#, only need calculation n...
Hetti asked 8/10, 2012 at 16:24
3
Solved
I'd like to play around with some (2D) Delaunay triangulations, and am looking for a reasonably small library to work with. I'm aware of CGAL, but I was wondering if there was something fairl...
Gangway asked 18/9, 2009 at 21:51
1
Solved
I would like to create a plot of the 3D surface that spans over all points from an [X,Y,Z] point cloud. For example this is a scatter plot of my point cloud:
scatter3(X,Y,Z,5,C)
As you can see ...
Knighten asked 13/9, 2012 at 11:57
1
Solved
I'm trying to implement one of active appearance models (AMM) and on one of the steps I need to get triangulated mesh of a face, e.g.:
Delaunay triangulation seems to be a good fit for this task...
Adaurd asked 23/6, 2012 at 15:8
1
Solved
I am trying to implement the (relatively simple) linear homogeneous (DLT) 3D triangulation method from Hartley & Zisserman's "Multiple View Geometry" (sec 12.2), with the aim of implementing th...
Analysand asked 8/5, 2012 at 16:42
1
Solved
I'm using triangulation code that works pretty well (it processes polygons with holes and integrates with JTS) but apparently it doesn't respect the winding of triangles. Some output triangles are ...
Strict asked 2/2, 2012 at 21:9
5
Solved
Im trying to triangulate a polygon for use in a 3d model. When i try using the ear method on a polygon with points as dotted below, i get triangles where the red lines are. Since there are no other...
Ilowell asked 16/1, 2012 at 22:36
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