moved from https://bugs.launchpad.net/yade/+bug/1604125 to https://gitlab.com/yade-dev/trunk/issues/28
-- You received this bug notification because you are a member of Yade developers, which is subscribed to Yade. https://bugs.launchpad.net/bugs/1604125 Title: gtsSurfaceBestFitOBB() broken Status in Yade: New Bug description: Hello, It seems the pack.gtsSurfaceBestFitOBB() function is broken in recent YADE versions. Just type the following (using a gts file present in the sources) in your YADE terminal: ****************************** import gts surface=gts.read(open('parallellepiped.gts')) # the one from examples/jointedCohesiveFrictionalPM pred=pack.inGtsSurface(surface) print 'Dim from pred.dim = ',pred.dim() center,dim,orientation=gtsSurfaceBestFitOBB(surface) print 'Dim from gtsSurfaceBestFitOBB =',dim ******************************* I get the correct output with a not up to date YADE version as follows: ******************************* Dim from pred.dim = Vector3(0.9999999404,2.0000000002092895,1) Dim from gtsSurfaceBestFitOBB = Vector3(0.4999999702,1.0000000001046447,0.5) # two are "equal" with a normal factor 2 ******************************* Whereas an up to date YADE version returns: ******************************* Dim from pred.dim = Vector3(0.9999999404,2.0000000002092895,1) Dim from gtsSurfaceBestFitOBB = Vector3(6.91989746778284e-310,3.47644378095352e-310,5e-324) ******************************* These two versions differ for instance in the related function bestFitOBB() in py/pack/_packObb.cpp, in relation with this commit: (the difference is exactly the one introduced by this commit) https://github.com/yade/trunk/commit/4f66360db75afb82029bbe37ae4a4dac36899a33 The bug affects for instance the use of randomDensePack() function with GTS predicates: https://answers.launchpad.net/yade/+question/297125 Any ideas ? (Anton, we need you once again ?) Jerome To manage notifications about this bug go to: https://bugs.launchpad.net/yade/+bug/1604125/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : yade-dev@lists.launchpad.net Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp
