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Re: T-Junctions re-visited
March 14, 2013 03:41PM
This may be a result of an oversight I made. For small triangles the algorithm might find a false hit. Try replacing
# O (N_Edges N_Points)
for I,J in Edges
  for K in Points
    DIJ=Dist(P(I),P(J))
    DIK=Dist(P(I),P(K))
    DJK=Dist(P(I),P(K))
    if (abs(DIJ-(DIK+DJK))<TOL)
      # K is on the line between I & J
      PushLineTrio(I,J;K)
    endif
  endfor
endfor
by (here RTOL should be something like 1e-4, adjust to taste)
# O (N_Edges N_Points)
for I,J in Edges
  for K in Points
    DIJ=Dist(P(I),P(J))
    DIK=Dist(P(I),P(K))
    DJK=Dist(P(I),P(K))
    if ((abs(DIJ/(DIK+DJK)-1.0)<RTOL) && (abs(DIJ-(DIK+DJK))<TOL))# CHANGED TO INCLUDE A RELATIVE CHECK TOO
      # K is on the line between I & J
      PushLineTrio(I,J;K)
    endif
  endfor
endfor


Edited 4 time(s). Last edit at 2013-03-14 03:44PM by Tim Gould.
SubjectAuthorViewsPosted
T-Junctions re-visited Travis Cobbs732March 11, 2013 10:38PM
Re: T-Junctions re-visited Tim Gould356March 11, 2013 11:31PM
Re: T-Junctions re-visited Roland Melkert336March 12, 2013 11:17AM
Re: T-Junctions re-visited Ben Supnik352March 12, 2013 11:17AM
Re: T-Junctions re-visited Roland Melkert331March 12, 2013 11:22AM
Re: T-Junctions re-visited Ben Supnik321March 12, 2013 11:32AM
Re: T-Junctions re-visited Roland Melkert310March 12, 2013 11:41AM
Re: T-Junctions re-visited Ben Supnik322March 12, 2013 11:55AM
Re: T-Junctions re-visited Roland Melkert324March 13, 2013 10:08AM
Re: T-Junctions re-visited Travis Cobbs345March 13, 2013 11:27AM
Re: T-Junctions re-visited Allen Smith346March 12, 2013 02:01PM
Re: T-Junctions re-visited Michael Heidemann332March 13, 2013 09:27AM
Re: T-Junctions re-visited Ben Supnik313March 13, 2013 10:37AM
Re: T-Junctions re-visited Tim Gould318March 13, 2013 02:31PM
Re: T-Junctions re-visited Michael Heidemann309March 13, 2013 03:42PM
Re: T-Junctions re-visited Michael Heidemann333March 17, 2013 04:35AM
Re: T-Junctions re-visited Ben Supnik280March 17, 2013 08:43AM
Re: T-Junctions re-visited Michael Heidemann277March 17, 2013 08:59AM
Re: T-Junctions re-visited Ben Supnik280March 17, 2013 09:02AM
Re: T-Junctions re-visited Magnus Forsberg304March 17, 2013 09:15AM
Re: T-Junctions re-visited Travis Cobbs354March 17, 2013 10:09PM
Re: T-Junctions re-visited Ben Supnik319March 18, 2013 07:30AM
Re: T-Junctions re-visited Travis Cobbs315March 18, 2013 10:57AM
Re: T-Junctions re-visited Ben Supnik321March 18, 2013 11:27AM
Re: T-Junctions re-visited Travis Cobbs313March 18, 2013 12:23PM
Re: T-Junctions re-visited Ben Supnik335March 18, 2013 01:41PM
Re: T-Junctions re-visited Roland Melkert351March 18, 2013 02:51PM
Re: T-Junctions re-visited Travis Cobbs323March 18, 2013 02:59PM
Re: T-Junctions re-visited Roland Melkert398March 18, 2013 03:41PM
Re: T-Junctions re-visited Ben Supnik361March 18, 2013 06:09PM
Re: T-Junctions re-visited Roland Melkert327March 19, 2013 11:38AM
Re: T-Junctions re-visited Ben Supnik343March 19, 2013 11:43AM
Re: T-Junctions re-visited Roland Melkert363March 19, 2013 07:07PM
Re: T-Junctions re-visited Travis Cobbs337March 19, 2013 10:13PM
Re: T-Junctions re-visited Tim Gould327March 20, 2013 03:56AM
Re: T-Junctions re-visited Travis Cobbs312March 20, 2013 10:13AM
Re: T-Junctions re-visited Ben Supnik304March 20, 2013 10:23AM
Re: T-Junctions re-visited Travis Cobbs329March 20, 2013 10:29AM
Re: T-Junctions re-visited Travis Cobbs315March 20, 2013 10:26AM
Re: T-Junctions re-visited Ben Supnik294March 20, 2013 11:18AM
Re: T-Junctions re-visited Ben Supnik323March 20, 2013 06:42AM
Re: T-Junctions re-visited Roland Melkert297March 20, 2013 11:36AM
Re: T-Junctions re-visited Philippe Hurbain322March 20, 2013 06:36AM
Re: T-Junctions re-visited Ben Supnik371March 20, 2013 06:58AM
Re: T-Junctions re-visited Allen Smith347March 20, 2013 09:08AM
Re: T-Junctions re-visited Roland Melkert357March 20, 2013 11:35AM
Re: T-Junctions re-visited Ben Supnik767March 20, 2013 11:50AM
Re: T-Junctions re-visited Michael Heidemann356March 18, 2013 03:54PM
Re: T-Junctions re-visited Roland Melkert321March 13, 2013 10:03AM
Re: T-Junctions re-visited Tim Gould287March 13, 2013 03:56PM
Re: T-Junctions re-visited Sergio Reano284March 13, 2013 03:51PM
Re: T-Junctions re-visited Roland Melkert357March 13, 2013 04:36PM
Re: T-Junctions re-visited Tim Gould312March 13, 2013 05:10PM
Re: T-Junctions re-visited Ben Supnik324March 14, 2013 08:17PM
Re: T-Junctions re-visited Tim Gould365March 14, 2013 08:41PM
Re: T-Junctions re-visited Ben Supnik368March 15, 2013 10:56AM
Re: T-Junctions re-visited Roland Melkert311March 15, 2013 11:36AM
Re: T-Junctions re-visited Ben Supnik279March 13, 2013 06:58PM
Re: T-Junctions re-visited Roland Melkert290March 13, 2013 07:27PM
Re: T-Junctions re-visited Ben Supnik280March 13, 2013 07:37PM
Re: T-Junctions re-visited Roland Melkert298March 13, 2013 07:59PM
Re: T-Junctions re-visited Ben Supnik314March 13, 2013 08:18PM
Re: T-Junctions re-visited Travis Cobbs352March 14, 2013 03:23PM
Re: T-Junctions re-visited Roland Melkert365March 14, 2013 03:34PM
Re: T-Junctions re-visited Tim Gould364March 14, 2013 03:41PM
Re: T-Junctions re-visited Roland Melkert354March 15, 2013 11:33AM
Re: T-Junctions re-visited Tim Gould319March 13, 2013 07:43PM
Re: T-Junctions re-visited Roland Melkert288March 13, 2013 08:08PM
Re: T-Junctions re-visited Tim Gould303March 13, 2013 08:18PM
Re: T-Junctions re-visited Ben Supnik371March 14, 2013 08:15PM
Re: T-Junctions re-visited Roland Melkert366March 15, 2013 11:29AM
Re: T-Junctions re-visited Travis Cobbs348March 15, 2013 12:27PM
Re: T-Junctions re-visited Ben Supnik338March 15, 2013 05:08PM
Re: T-Junctions re-visited Travis Cobbs350March 16, 2013 11:29PM
Re: T-Junctions re-visited Ben Supnik270March 17, 2013 08:58AM
Re: T-Junctions re-visited Roland Melkert275March 17, 2013 12:35PM
Re: T-Junctions re-visited Travis Cobbs313March 18, 2013 12:28PM
Re: T-Junctions re-visited Travis Cobbs368March 18, 2013 12:32PM
Re: T-Junctions re-visited Roland Melkert322March 18, 2013 05:00PM
Re: T-Junctions re-visited Travis Cobbs355March 18, 2013 11:05PM
Re: T-Junctions re-visited Roland Melkert399March 19, 2013 11:38AM
Re: T-Junctions re-visited Sergio Reano355March 26, 2013 02:46PM
Re: T-Junctions re-visited Roland Melkert303March 27, 2013 11:19AM
Re: T-Junctions re-visited Sergio Reano377March 27, 2013 01:48PM



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