Shake had a random generator with a density slider that made this kind of thing easy. I used it lots. Any idea what kind of thing was used to create that?
Ron Ganbar email: [email protected] tel: +44 (0)7968 007 309 [UK] +972 (0)54 255 9765 [Israel] url: http://ronganbar.wordpress.com/ On 23 August 2012 11:45, Howard Jones <[email protected]> wrote: > From memory, I use a constant into a dither, desaturated a bit, then use > several noise nodes to matte out the dots. > > Also I've taken actual star field photos blurred and keyed, to gamma up > sections of the above, which can get around the lack of resolution in the > star plate. > > > > Howard > > On 23 Aug 2012, at 04:31, Frank Rueter <[email protected]> wrote: > > one of many ways of doing this: > play with a Noise node set to size of 1. Follow up with a Grade node and > use it's black and white point as well as gamma to adjust how many dots you > get, follow with a Glint node for star shapes. > > You can then use a larger, animated noise pattern to slightly multiply the > original one by to get some atmospheric pulsing. > > quick and dirty: > > Noise { > inputs 0 > zoffset {{frame/300 i}} > center {1024 778} > name Noise2 > selected true > xpos -272 > ypos -222 > } > push $cut_paste_input > Noise { > size 1 > gain 1 > gamma 0.1 > center {1024 778} > name Noise1 > selected true > xpos -162 > ypos -246 > } > Merge2 { > inputs 2 > operation multiply > mix 0.79 > name Merge1 > selected true > xpos -162 > ypos -222 > } > Grade { > blackpoint 0.1 > whitepoint 0.2 > name Grade1 > selected true > xpos -162 > ypos -173 > } > Glint { > repeat 5 > length 7 > tolerance 0.1 > name Glint1 > selected true > xpos -162 > ypos -119 > } > > > > On 23/08/12 3:15 PM, gridwarped wrote: > > I'm not sure where to start on creating a gizmo that generates random dots > that can be used as a star field. Being able to generate the dots and the > density (how many) is beyond my knowledge and creative understanding at the > moment. > > is this a python scripting only scenario? or is there a way that I may be > overlooking using a few nodes? Any help is appreciated. > > > _______________________________________________ > Nuke-users mailing [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 > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
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