doc updated. Nothing invented : usual zyz convention
2009/5/7 Daniel Russel drussel@gmail.com
> But I need a better description of what you need as there are a variety of > varients of zyz depending on which rotations are done with a body frame axis > and which are fixed. If you fill in the docs on the rotation_from function > then it will be clearer. Thanks. > > > > On May 7, 2009, at 3:32 PM, Javier Ángel Velázquez Muriel < > javi@salilab.org> wrote: > > I'm not that unreasonable, or at least I like to think that. I can accept > the quaternions. > Can somebody please add then a function to come back from a rotation3D to a > set of angles? > > After finding a good rotation I need to spit to the stupid user (i.e., me) > the proper angles, because that is what everybody uses de facto in the > field. Help! > > 2009/5/7 Ben Webb < ben@salilab.orgben@salilab.org> > >> Javier Ángel Velázquez Muriel wrote: >> > If I remember correctly, I said that I *****NEED***** and prefer the 3 >> > euler angles to be specified for project(). Therefore the new version of >> > project is not helpful, and I am going to go back to the version that >> > satisfied my needs. I can always document everything as much as needed. >> >> The best way to ensure that something you need works is to write a test >> case for it. Then anybody that changes it will break your test, and we >> can all yell at them. >> >> There are several people that can help you (myself included) to work >> with Rotation3D. But it doesn't make sense to have other classes to work >> with rotations, since nobody will know which is the "right" one and it >> is harder to test multiple code paths. And it's pretty much universally >> acknowledged these days that if you really *have* to choose one way of >> representing a rotation, three Euler angles is most definitely not the >> way to do it (gimbal lock and the order of the angles being the most >> obvious problems). >> >> Ben >> -- >> ben@salilab.orgben@salilab.org http://salilab.org/%7Eben/ >> http://salilab.org/~ben/ http://salilab.org/%7Eben/ >> "It is a capital mistake to theorize before one has data." >> - Sir Arthur Conan Doyle >> _______________________________________________ >> IMP-dev mailing list >> IMP-dev@salilab.orgIMP-dev@salilab.org >> https://salilab.org/mailman/listinfo/imp-dev >> https://salilab.org/mailman/listinfo/imp-dev >> > > _______________________________________________ > IMP-dev mailing list > IMP-dev@salilab.org > https://salilab.org/mailman/listinfo/imp-dev > > > _______________________________________________ > IMP-dev mailing list > IMP-dev@salilab.org > https://salilab.org/mailman/listinfo/imp-dev > >