yeah, pump to 4K & change the filter to Keys helps. but like Howard said, it always degrading.
Thanks, On Wed, Sep 12, 2012 at 12:24 PM, Howard Jones <[email protected]>wrote: > Also it always applies some degrading, changing size minimises it. ie it > doesn't concatenate > > > Howard > > ------------------------------ > *From:* Ari Rubenstein <[email protected]> > *To:* Nuke user discussion <[email protected]> > *Sent:* Wednesday, 12 September 2012, 19:20 > *Subject:* Re: [Nuke-users] scanline render uv proj and applyMaterial > degrading the orginal image > > You need to apply a Constant at a higher resolution, plug it into your > scan line that outputs the UV. > > Your problem is that the texture your using, when fit into UV space has > now lost resolution because of the smaller uv region it occupies. By > rendering the uv higher res it'll retain the source texture's full > resolution (with minimal filtering to degrade it). > > Ari > Blue Sky > > Sent from my iPhone > > On Sep 12, 2012, at 1:51 PM, Jason P Nguyen <[email protected]> > wrote: > > > Has anyone realize that after unwrapping the uv through scanline render > & use that as a material with the ApplyMaterial node & render back out with > another scanline render node would degrading the image's quality? > > I"m attaching 2 images here if anyone want to check. > > > > below is the script: > > _________________________________ > > > > > > set cut_paste_input [stack 0] > > version 6.3 v8 > > BackdropNode { > > inputs 0 > > name BackdropNode33 > > tile_color 0x7171c600 > > label "just for testing,\nI plugged the mat into the uv to check the > quality of the image.\n(obviously for realworld shot, it would just be a > roto or paint, not the entire image)" > > note_font_size 12 > > selected true > > xpos 7256 > > ypos -6502 > > bdwidth 668 > > bdheight 572 > > } > > push $cut_paste_input > > Dot { > > name Dot170 > > selected true > > xpos 7817 > > ypos -6419 > > hide_input true > > } > > NoOp { > > name mmCAMERA4 > > selected true > > xpos 7783 > > ypos -6398 > > } > > set Nfe724ef0 [stack 0] > > Dot { > > name Dot175 > > selected true > > xpos 7894 > > ypos -5987 > > hide_input true > > } > > push $Nfe724ef0 > > push 0 > > Project3D { > > inputs 2 > > name Project3D2 > > selected true > > xpos 7640 > > ypos -6398 > > } > > Card2 { > > translate {740 -15 499.9987793} > > rotate {-90 90 0} > > uniform_scale 2000 > > control_points {3 3 3 6 > > > > 1 {-0.5 -0.5 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0 0.1666666865 0} 0 {0 > 0 0} 0 {0 0 0} > > 1 {0 -0.5 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0 > 0.1666666865 0} 0 {0 0 0} 0 {0.5 0 0} > > 1 {0.5 -0.5 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0 0.1666666865 0} 0 {0 > 0 0} 0 {1 0 0} > > 1 {-0.5 0 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0 0.1666666716 0} 0 {0 > -0.1666666716 0} 0 {0 0.5 0} > > 1 {0 0 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0 0.1666666716 > 0} 0 {0 -0.1666666716 0} 0 {0.5 0.5 0} > > 1 {0.5 0 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0 0.1666666716 0} 0 {0 > -0.1666666716 0} 0 {1 0.5 0} > > 1 {-0.5 0.5 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0 0 0} 0 {0 > -0.1666666865 0} 0 {0 1 0} > > 1 {0 0.5 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0 0 0} 0 {0 > -0.1666666865 0} 0 {0.5 1 0} > > 1 {0.5 0.5 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0 0 0} 0 {0 > -0.1666666865 0} 0 {1 1 0} } > > name Card1 > > selected true > > xpos 7640 > > ypos -6350 > > } > > Dot { > > name Dot217 > > selected true > > xpos 7674 > > ypos -6323 > > } > > set Nfe6c1350 [stack 0] > > Constant { > > inputs 0 > > channels {rgba.red rgba.green rgba.blue none} > > format "2048 2048 0 0 2048 2048 1 square_2K" > > name Constant19 > > label "square 2K" > > selected true > > xpos 7360 > > ypos -6285 > > } > > ScanlineRender { > > inputs 2 > > projection_mode uv > > output_motion_vectors_type accurate > > MB_channel forward > > name UV_MAP2 > > selected true > > xpos 7510 > > ypos -6249 > > } > > push $Nfe6c1350 > > Dot { > > name Dot236 > > selected true > > xpos 7784 > > ypos -6235 > > } > > ApplyMaterial { > > inputs 2 > > name ApplyMaterial8 > > selected true > > xpos 7750 > > ypos -6086 > > } > > Constant { > > inputs 0 > > channels {rgba.red rgba.green rgba.blue none} > > format "2253 1188 0 0 2253 1188 1 --OBL_DCI_2k (+10%)" > > name Constant20 > > label "2K 10% OverScan" > > selected true > > xpos 7568 > > ypos -6026 > > } > > ScanlineRender { > > inputs 3 > > ztest_enabled false > > output_motion_vectors_type accurate > > MB_channel forward > > name CAM_RENDER8 > > selected true > > xpos 7750 > > ypos -5990 > > } > > > > <after_uv_unwrap.png> > > <original_plate.png> > > _______________________________________________ > > 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 > > > > _______________________________________________ > 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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