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Discussion forum for the poly2tr triangulation library.
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Ning Xue
4/11/22
Whether the polygons of different planes can be divided directly using poly2tri
Vec3[] polygon1 = new Vec3[4]; polygon1[0] = new Vec3(1, 1, -2); polygon1[1] = new Vec3(-1, 1, -2);
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Whether the polygons of different planes can be divided directly using poly2tri
Vec3[] polygon1 = new Vec3[4]; polygon1[0] = new Vec3(1, 1, -2); polygon1[1] = new Vec3(-1, 1, -2);
4/11/22
Mário Silva
11/20/15
function edgeEventByPoints implement changes from C++ to better support Collinear points
Hi there, I would like to say i love this lib and i would like to contribute this improvement. I have
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function edgeEventByPoints implement changes from C++ to better support Collinear points
Hi there, I would like to say i love this lib and i would like to contribute this improvement. I have
11/20/15
Nik Skavinskiy
,
nico....@gmail.com
2
11/9/15
Voronoi cells support?
Hi, A tessellation is not a valid Delaunay triangulation. Then, you will have overlaps error in the
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Voronoi cells support?
Hi, A tessellation is not a valid Delaunay triangulation. Then, you will have overlaps error in the
11/9/15
Nick Hunter
,
obi
8
11/4/15
Java Maven Guice Install Issues Netbeans
On Wednesday, October 28, 2015 at 9:08:40 PM UTC-6, nht wrote: I guess I'm having issues with the
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Java Maven Guice Install Issues Netbeans
On Wednesday, October 28, 2015 at 9:08:40 PM UTC-6, nht wrote: I guess I'm having issues with the
11/4/15
easy
,
A Lynch
2
9/22/15
clockwise triangles order
For each triangle output by poly2tri, change the order of the vertices by simply swapping two
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clockwise triangles order
For each triangle output by poly2tri, change the order of the vertices by simply swapping two
9/22/15
Arthur Masson
2
9/14/15
Can poly2tri create new points in the polygon?
Does this answer correctly apply to poly2tri: When using a Contrained Delaunay Triangulation in 2D,
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Can poly2tri create new points in the polygon?
Does this answer correctly apply to poly2tri: When using a Contrained Delaunay Triangulation in 2D,
9/14/15
abbas...@gmail.com
, …
Richard Wells
4
3/11/15
p2t fails to triangulate a polygon in one order while succeeds in other
I suspect this is one of those cases where undefined behavior includes the possibility that it may
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p2t fails to triangulate a polygon in one order while succeeds in other
I suspect this is one of those cases where undefined behavior includes the possibility that it may
3/11/15
Richard Wells
3/11/15
Thanks, and a quick question
First of all, thanks for providing such an easy-to-use triangulation library. The API is wonderfully
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Thanks, and a quick question
First of all, thanks for providing such an easy-to-use triangulation library. The API is wonderfully
3/11/15
Sébastien Paris
,
Mason Austin Green
2
1/14/15
Paper availability
Did you try contacting the authors? On Wed, Jan 14, 2015 at 8:31 AM, Sébastien Paris <sebastien.
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Paper availability
Did you try contacting the authors? On Wed, Jan 14, 2015 at 8:31 AM, Sébastien Paris <sebastien.
1/14/15
Elemar Junior
, …
r3mi
4
1/7/15
Port to Typescript
As suggested, I contributed with a .d.ts for the JS version. There is an PR waiting for approval.
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Port to Typescript
As suggested, I contributed with a .d.ts for the JS version. There is an PR waiting for approval.
1/7/15
Dylan Meville
,
obi
2
7/17/14
Point on constrained edge not supported yet. Any workaround or fix?
Poly2tri might no be the optimal triangulation library for using with complex polygons. It was
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Point on constrained edge not supported yet. Any workaround or fix?
Poly2tri might no be the optimal triangulation library for using with complex polygons. It was
7/17/14
Dylan Meville
,
obi
3
7/13/14
Triangulation has extra points/triangles. Not being removed in cleanup?
I thought I copied the contents of the P2T.Triangulate function properly, but maybe the problem came
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Triangulation has extra points/triangles. Not being removed in cleanup?
I thought I copied the contents of the P2T.Triangulate function properly, but maybe the problem came
7/13/14
Rushi Shukla
,
obi
5
6/3/14
Points from Delaunay Triangles
after triangulating a polygon you can just call triangles = polygon.getTriangles(); for(
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Points from Delaunay Triangles
after triangulating a polygon you can just call triangles = polygon.getTriangles(); for(
6/3/14
Civil
,
obi
2
5/4/14
Can I do these with poly2tri ?
I'm sorry poly2tri isn't that powerful it just a simple polygon triangulator. All it works
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Can I do these with poly2tri ?
I'm sorry poly2tri isn't that powerful it just a simple polygon triangulator. All it works
5/4/14
Andrey Diduh
, …
r3mi
11
4/26/14
Angle function and atan2
Well, nice to hear that. You are welcome. 2014-04-25 20:28 GMT+03:00 r3mi <remi.t...@m4x.org
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Angle function and atan2
Well, nice to hear that. You are welcome. 2014-04-25 20:28 GMT+03:00 r3mi <remi.t...@m4x.org
4/26/14
Kate Yan
, …
obi
7
4/11/14
error with continue triangulation
Thank you. I decide not to revise the Poly2Tri source code. I changed my code as follows. When I need
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error with continue triangulation
Thank you. I decide not to revise the Poly2Tri source code. I changed my code as follows. When I need
4/11/14
Andrey Diduh
,
zzzzrrr
3
4/10/14
CDT::sweep_ why in heap memory?
Just ask to be sure - no offense. There could be stack overflow issue (under some circumstances),
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CDT::sweep_ why in heap memory?
Just ask to be sure - no offense. There could be stack overflow issue (under some circumstances),
4/10/14
erg
,
obi
4
3/13/14
4 points -> 1 triangle ?? (c#)
I have confirmed this issue. This is an issue in the Java and C# version since they are the only ones
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4 points -> 1 triangle ?? (c#)
I have confirmed this issue. This is an issue in the Java and C# version since they are the only ones
3/13/14
Andrew B. Martin
,
obi
11
3/3/14
Almost as many triangles as points
Okay. This gets more complicated the more intersection points there are. With four intersections
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Almost as many triangles as points
Okay. This gets more complicated the more intersection points there are. With four intersections
3/3/14
Ardo Avancena
,
obi
5
2/26/14
Starting to use poly2tri
This might help: http://www.quantumyeti.com/blog/texture-mapping-with-poly2tri
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Starting to use poly2tri
This might help: http://www.quantumyeti.com/blog/texture-mapping-with-poly2tri
2/26/14
Ardo Avancena
2
2/25/14
isinf function changes reference on include poly2tri.h
Managed to fix this by copying the definition of "isinf" from "math.h" after I
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isinf function changes reference on include poly2tri.h
Managed to fix this by copying the definition of "isinf" from "math.h" after I
2/25/14
Nikolai Ivlev
,
obi
2
2/25/14
Map from triangle points to input data (points)
The best way is to subclass p2t::Point class and wrap your point object or just add an index field to
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Map from triangle points to input data (points)
The best way is to subclass p2t::Point class and wrap your point object or just add an index field to
2/25/14
Tim Aksu
,
obi
4
2/19/14
Commercial usage?
Looks cool! Regarding the subdivision can't you just split the polygon edges in the middle
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Commercial usage?
Looks cool! Regarding the subdivision can't you just split the polygon edges in the middle
2/19/14
Tim Aksu
,
obi
3
2/14/14
Triangulation algorithms - any alternatives?
Excellent, thanks! On Sat, Feb 15, 2014 at 9:43 AM, obi <tha...@gmail.com> wrote: Poly2tri has
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Triangulation algorithms - any alternatives?
Excellent, thanks! On Sat, Feb 15, 2014 at 9:43 AM, obi <tha...@gmail.com> wrote: Poly2tri has
2/14/14
Keith Willenson
,
obi
4
2/14/14
infinite loop in DTSweep.edgeEvent
Yeah I think there should be added a note that for best floating point robustness during
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infinite loop in DTSweep.edgeEvent
Yeah I think there should be added a note that for best floating point robustness during
2/14/14
Keith Willenson
2/12/14
missing triangle
When running the attached data set, I get the following error. I have a try/catch set up to translate
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missing triangle
When running the attached data set, I get the following error. I have a try/catch set up to translate
2/12/14
Ardo Avancena
2/6/14
Trying to build the in osx
Whenever I try to run the ./waf build I get the error : ld: library not found for -lOpenGL clang:
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Trying to build the in osx
Whenever I try to run the ./waf build I get the error : ld: library not found for -lOpenGL clang:
2/6/14
r3mi
,
zzzzrrr
2
12/26/13
Nice use of poly2tri
Very nice! An application I would never have though of when I started working on the library back in
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Nice use of poly2tri
Very nice! An application I would never have though of when I started working on the library back in
12/26/13
r3mi
,
obi
2
12/23/13
Bower package available for poly2tri.js
Great work. Now even more people might find and use poly2tri :)
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Bower package available for poly2tri.js
Great work. Now even more people might find and use poly2tri :)
12/23/13
keith.w...@gmail.com
,
obi
10
12/23/13
infinite loop on ConstrainedPointSet
Great! Yeah translating and rescaling is most likely not needed but if you need those 12 points
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infinite loop on ConstrainedPointSet
Great! Yeah translating and rescaling is most likely not needed but if you need those 12 points
12/23/13