Hi Janek, I submitted a Pull Request. I fixed the display for the free fall examples using Marching Cubes. However, the orientation of the particles are not completely correct yet in QT. See for example the Wedge Example. I think that was the reason why I moved to ParaView.
Boon On Sat, Jan 26, 2019 at 11:19 PM Janek Kozicki <[email protected]> wrote: > Hi Boon, > > thanks for you reply. Yes, I think that this marching cubes method > can work really good. The only missing thing is to make the caching > of calculated triangles correctly. Once the triangles for the shape > are calculated you can use them all the time, unless the body deforms or > is cut in half (I'm not sure if this can happen). > > A thing to discuss: you could store cached triangles not inside > Gl1_PotentialParticle but inside PotentialParticle with Attr::hidden > or (Attr::hidden|Attr::noSave). For example see into > pkg/common/Cylinder.hpp as an example. In this way you will not need > this loop in pkg/common/Gl1_PotentialParticle.cpp line 112, and > automatically you have solved the problem what to draw when a body > was deleted or added to scene. Because you only recalculate marching > cubes for particular single body when you need to draw it and it > wasn't generated yet. > > I hope that the post which I have just sent to mailing list about > object oriented design deficiencies of your code wasn't too harsh. > My apologies. > > best regards > Janek > > Chia Weng Boon said: (by the date of Sat, 26 Jan 2019 11:12:40 +0800) > > > Dear Janek, > > I will look into it. Thanks. In the python script, the vtk files at > > specific time intervals are output into the vtk folder. I have been > using > > ParaView mainly for visualisation for both Potential Particles and > > Potential Blocks. The colour of the particles can also be changed in > > ParaView. I suspect that the Marching Cube display is not showing the > > position and size of the particles correctly (I abandoned the marching > > cubes quite long ago, but agree that real time display with simulation is > > more user friendly) > > > > Let me check the example files again. > > > > Boon > > _______________________________________________ > Mailing list: https://launchpad.net/~yade-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~yade-dev > More help : https://help.launchpad.net/ListHelp >
_______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp
