Make sure the centre of the uv map is 0.5 for each pixel not 0 Ie (x+0.5)/width, (y+0.5)/height I think I have the right expression at work.
Howard > On 6 Aug 2014, at 08:12 pm, "Patrick Heinen" <[email protected]> > wrote: > > Hey Ryan, > > the UV map I have is created in Nuke and even not filtering it doesn't get > rid of that one line :( > And blurring only makes it worse in my case. > Appreciate your help though. > cheers, > Patrick > > Ryan O'Phelan wrote on 04.08.2014 21:27: > >> When you render uv maps, don't filter or antialias them, and you will not >> have edging issues. Adding bilateral or gaussian blur to everything but the >> edges helps too. >> Hope that helps. >> >> R >> >>> On Aug 3, 2014 3:12 PM, "Patrick Heinen" <[email protected] >>> <mailto:[email protected]> > wrote: >>> >>> I'm generating the STMap with (x+0.5)/width and (y+0.5/height). It doesn't >>> seem to be off by a pixel, as everything but that one pixel line is spot >>> on. As for filtering, I have a case where it shouldn't filter at all as >>> pixels are getting mapped one to one. I attached an example script that >>> shows the issue. >>> Thanks for your help! >>> >>> >>>> On 03.08.2014, at 02:51, [email protected] >>>> <mailto:[email protected]> wrote: >>>> >>>> >>>> couldn't it be a filtering or multisample problem? >>>> >>>> I also had similar problems using STMap for tiling an image, and I ended >>>> up using UVTile >>>> >>>> >>>>> On Sun, Aug 3, 2014 at 12:26 AM, Deke Kincaid <[email protected] >>>>> <mailto:[email protected]> > wrote: >>>>> >>>>> How are you generating the STMap? It might be off by a pixel depending >>>>> how you generated it. >>>>> >>>>> >>>>> -- >>>>> >>>>> >>>>> Deke Kincaid >>>>> >>>>> Creative Specialist >>>>> >>>>> The Foundry >>>>> >>>>> Skype: dekekincaid >>>>> >>>>> Tel: (310) 399 4555 <tel:%28310%29%20399%204555> - Mobile: (310) 883 4313 >>>>> >>>>> Web: www.thefoundry.co.uk <http://www.thefoundry.co.uk/> >>>>> >>>>> Email: [email protected] <mailto:[email protected]> >>>>> >>>>> >>>>>> On Fri, Aug 1, 2014 at 7:30 PM, Patrick Heinen >>>>>> <[email protected] <mailto:[email protected]> >>>>>> > wrote: >>>>>> Hey everyone, >>>>>> >>>>>> I'm using an STMap where the original left and right edge of the image >>>>>> touch each other in the image center. When the filtering is set to cubic >>>>>> on the STMap I get a one pixel line at that edge, that I don't get if I >>>>>> ran through the transforms without an STMap. Switching the filtering to >>>>>> Impulse, the line disappears, but obviously everything else looks >>>>>> crappy. I checked the values of the STMap and the source and destination >>>>>> pixels seem to be correct. >>>>>> Has anyone had this problem before? Or has someone maybe an idea, what >>>>>> could cause this? >>>>>> Thanks and enjoy your weekend! >>>>>> >>>>>> Patrick >>>>>> _______________________________________________ >>>>>> Nuke-users mailing list >>>>>> [email protected] >>>>>> <mailto:[email protected]> , >>>>>> http://forums.thefoundry.co.uk/ <http://forums.thefoundry.co.uk/> >>>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Nuke-users mailing list >>>>> [email protected] >>>>> <mailto:[email protected]> , >>>>> http://forums.thefoundry.co.uk/ <http://forums.thefoundry.co.uk/> >>>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>>> >>>> >>>> _______________________________________________ >>>> Nuke-users mailing list >>>> [email protected] >>>> <mailto:[email protected]> , >>>> http://forums.thefoundry.co.uk/ <http://forums.thefoundry.co.uk/> >>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>> >>> >>> _______________________________________________ >>> Nuke-users mailing list >>> [email protected] >>> <mailto:[email protected]> , >>> http://forums.thefoundry.co.uk/ <http://forums.thefoundry.co.uk/> >>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >> > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users _______________________________________________ Nuke-users mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
