Glad to hear, good luck finding an apartment, my wife love that country. Javier
2012/6/10 Ahmidou.xsi <ahmidou....@gmail.com> > Hi Javier > As I moved to Australia, I didn't had any time to finish it. As it's quite > rainy here, I sould find some time, but first, I have to find an apartment! > > Regard > A. > > Le 8 juin 2012 à 03:44, javier gonzalez <javi09warr...@gmail.com> a > écrit : > > Hey, Ahmidou, any news about this fantastic tool. Thanks > > 2012/5/10 Brent McPherson <brent.mcpher...@autodesk.com> > >> We use a combination of OpenGL and custom (raycast) picking depending on >> the picking mode. >> -- >> Brent >> >> From: softimage-boun...@listproc.autodesk.com [mailto: >> softimage-boun...@listproc.autodesk.com] On Behalf Of Ahmidou Lyazidi >> Sent: 10 May 2012 00:40 >> To: softimage@listproc.autodesk.com >> Subject: Re: Convert Position Fcurves key's tangents in 3d space >> >> Thanks Simon! >> I have a working version with tangents, but it crash softimage in some >> cases, the std::vector is kind of touchy... >> I also have problems with the opengl's GL_SELECT for picking that >> sometimes return funky value (Thanks ATI...). It seems to be deprecated in >> favor of custom raycast picking, so I'll refactor it that way. >> >> I have a question to Softimage Devs, As I have selection problems for >> components, am I right if I say that SI is also using GL_SELECT ?? >> I have seen some people saying they got 1000% speed gain using raycast >> instead. >> >> Regards >> Ahmidou. >> >> 2012/5/4 Simon Pickard <m...@simonpickard.com<mailto: >> m...@simonpickard.com>> >> Very cool! So amazing to see this in Softimage! :) >> >> Regards, >> Simon >> >> On 3 May 2012 09:55, Ahmidou Lyazidi <ahmidou....@gmail.com<mailto: >> ahmidou....@gmail.com>> wrote: >> Hi Jo, and thanks for the snipet! >> I already have a structure not that far, but my problem is elsewhere. The >> fcurves's tangents interpretation in 3d is not a simple mapping of the X,Y >> values. >> I also had to deal with fcurves that don't have necessary three keys a >> the same time but only one or two, so I don't have all the information to >> draw the tangents as they should be. >> But I think I'm near the solution, I just have to restructure some part >> of my code to make it more efficient and test :) >> >> Best regards >> A. >> >> 2012/4/30 jo benayoun <jobenay...@gmail.com<mailto:jobenay...@gmail.com>> >> Hi Ahmidou, >> looks quite nice ! :) >> >> For your problem, I would go in c by reproducing a kinda structure that >> mimic FCurves ones like the following. >> >> """ >> struct bezfragments { >> double cps[4][3]; >> uint_t interp; >> }; >> >> struct motionpath { >> constchar_t *source; >> ushort_t color[3]; >> uint_t flags; >> uint_t nbezfragments; >> struct bezfragments *[1]; >> }; >> """ >> >> A MotionPath as a FCurve is a fixed length array of bezier curves with >> some extra informations like the object which is the source, the color of >> the path and some other flags for ui convenience (selection mode, ...). >> You have the choice to represent your bezier segments by pairing control >> points by 3 or by 4, I dont think it makes a huge difference. >> This system coupled with a "MotionPathManager" will avoid you to have to >> query the softimage API each time you need to redraw your viewport as your >> datas are cached in memory. >> Also, by subscripting to any event like "siOnValueChange", you will be >> able to rebuild a motion path targeting just what you need. Also a good >> point for perfs. >> Anyways .... Here is a little pysnippet (I dont have the possibility to >> write it in C right now) ! It should I hope answer to your first question ! >> :) >> >> jo >> >> >> """ >> # Im quite sure gmail will eat my indent efforts so take care about that ! >> # Each key for each params must have a buddy on the others axes. >> # Create a cube, animate its pos's being sure a key is set at the same >> frame for the three axes. >> # >> >> import random >> >> >> class BezFragment(object): >> cpoints = tuple() >> interp = int() >> >> class MotionPath(object): >> source = str() >> color = tuple() >> bezfragments = tuple() >> >> >> def build_axis_data(param): >> keys = tuple(param.Source.Keys) >> res = list() >> bfrag = None >> i = 0 >> >> while i < (len(keys)-1): >> cp = list() >> >> key = keys[i] >> nextkey = keys[i+1] >> cp.append(round(key.Value, 1)) >> cp.append(round(key.Time, 1)) >> cp.append(round(key.Value + key.LeftTanX, 1)) >> cp.append(round(key.Time + key.LeftTanY, 1)) >> cp.append(round(nextkey.Value - key.RightTanY, 1)) >> cp.append(round(nextkey.Time - key.RightTanX, 1)) >> cp.append(round(nextkey.Value, 1)) >> cp.append(round(nextkey.Time, 1)) >> >> bfrag = BezFragment() >> res.append(bfrag) >> bfrag.interp = key.Interpolation >> bfrag.cpoints = tuple(cp) >> >> i += 1 >> >> return tuple(res) >> >> >> def build_motion_path(siobj): >> x = build_axis_data(siobj.Kinematics.Local.posx) >> y = build_axis_data(siobj.Kinematics.Local.posy) >> z = build_axis_data(siobj.Kinematics.Local.posz) >> >> mp = MotionPath() >> mp.source = siobj.FullName >> mp.color = (random.randint(120, 255), random.randint(120, 255), >> random.randint(120, 255), >> ) >> mp.bezfragments = tuple(zip(x, y, z)) >> return mp >> >> >> def log_bezfragment(bfrag): >> msg = "{0}:({1}, {2})---o ({3}, {4}) ({5}, {6})o---({7}, {8})\n" \ >> " \______________________________________/" >> print msg.format("", *bfrag.cpoints) >> return None >> >> >> def log_obj_motionpath(): >> for obj in Application.Selection: >> mp = build_motion_path(obj) >> >> print "source: {0}".format(mp.source) >> print "mp-color: {0}".format(mp.color) >> for bezf in mp.bezfragments: >> print "\ncp" >> for xyz in bezf: >> log_bezfragment(xyz) >> return None >> >> >> log_obj_motionpath() >> >> """ >> >> >> >> >> >> >> >> >> >> >> >> 2012/4/30 Ahmidou Lyazidi <ahmidou....@gmail.com<mailto: >> ahmidou....@gmail.com>> >> I think I got it :) >> >> 2012/4/30 Halim Negadi <hneg...@gmail.com<mailto:hneg...@gmail.com>> >> Looks awesome Ahmidou, can't wait to play with it. >> Cheers, >> H. >> >> On Mon, Apr 30, 2012 at 4:44 PM, Ahmidou Lyazidi <ahmidou....@gmail.com >> <mailto:ahmidou....@gmail.com>> wrote: >> Well, as soon as I have resolved the tangent handle stuff :) I'm sure >> it's simple, but I can't get it... >> >> 2012/4/30 Philip Melancon <philip.melan...@modusfx.com<mailto: >> philip.melan...@modusfx.com>> >> This is looking amazing, do you have an idea of when/how you plan to >> release this nice little piece of animation goodness? I know that the >> animators I work with would kill for something like this! >> >> >> Philip Melancon >> >> Lead Crowd TD >> >> Modus FX >> >> On 4/30/2012 10:30 AM, Xavier Lapointe wrote: >> Whoa, this is awesome. >> >> I feel some animators out there are probably jubilating right now :) >> >> No virus found in this message. >> Checked by AVG - www.avg.com<http://www.avg.com> >> Version: 2012.0.1913 / Virus Database: 2411/4969 - Release Date: 04/30/12 >> >> >> >> -- >> Ahmidou Lyazidi >> Director | TD | CG artist >> http://vimeo.com/ahmidou/videos >> >> >> >> >> -- >> Ahmidou Lyazidi >> Director | TD | CG artist >> http://vimeo.com/ahmidou/videos >> >> >> >> >> -- >> Ahmidou Lyazidi >> Director | TD | CG artist >> http://vimeo.com/ahmidou/videos >> >> >> >> >> -- >> Ahmidou Lyazidi >> Director | TD | CG artist >> http://vimeo.com/ahmidou/videos >> > >
