Ah related to GPU being on - surely a bug?
Howard
>________________________________
> From: Howard Jones <[email protected]>
>To: Nuke user discussion <[email protected]>
>Sent: Wednesday, 1 August 2012, 17:17
>Subject: [Nuke-users] -1.000 alpha values showing as white in viewer
>
>
>Hi
>
>
>Can anyone explain this to me? I am seeing -1 values in the alpha as white in
>the viewer (screen shot attached)
>Script below (tested back to 6.3v5 - Mac OSX Lion).
>
>
>I cant see any settings wrong and zebra is off. Surely should be (sub)black.
>
>Howard
>
>
>set cut_paste_input [stack 0]
>version 6.3 v5
>push $cut_paste_input
>Roto {
> curves {AnimTree: "" {
> Version: 1.2
> Flag: 0
> RootNode: 1
> Node: {
> NodeName: "Root" {
> Flag: 512
> NodeType: 1
> Transform: 0 0 S 0 0 S 0 0 S 0 0 S 0 1 S 0 1 S 0 0
S 0 960 S 0 540
> NumOfAttributes: 11
> "vis" S 0 1 "opc" S 0 1 "mbo" S 0 1 "mb" S 0 1 "mbs" S 0 0.5 "fo" S 0 1
>"fx" S 0 0 "fy" S 0 0 "ff" S 0 1 "ft" S 0 0 "pt" S 0 0
> }
> NumOfChildren: 1
> Node: {
> NodeName: "Bezier1" {
> Flag: 512
> NodeType: 3
> CurveGroup: "" {
> Transform: 0 0 S 1 1 0 S 1 1 0 S 1 1 0 S 1 1 1 S 1 1 1 S 1 1 0 S 1 1
>1489.12 S 1 1 504.375
> Flag: 0
> NumOfCubicCurves: 2
> CubicCurve: "" {
> Type: 0 Flag: 8192 Dim: 2
> NumOfPoints: 12
> 0 S 1 1 75.5 S 1 1 14 0 0 S 1 1 1624.5 S 1 1 627 0 0 S 1 1 -75.5 S 1 1
>-14 0 0 S 1 1 77 S 1 1 41 0 0 S 1 1 1396.5 S 1 1 578 0 0 S 1 1 -77 S 1 1 -41 0
>0 S 1 1 -50.5 S 1 1 31 0 0
S 1 1 1357.5 S 1 1 425.5 0 0 S 1 1 50.5 S 1 1 -31 0 0 S 1 1 -10 S 1 1 -2.5 0 0
S 1 1 1578 S 1 1 387 0 0 S 1 1 10 S 1 1 2.5 0
> }
> CubicCurve: "" {
> Type: 0 Flag: 8192 Dim: 2
> NumOfPoints: 12
> 0 S 1 1 75.5 S 1 1 14 0 0 S 1 1 0 S 1 1 0 0 0 S 1 1 -75.5 S 1 1 -14 0 0
>S 1 1 77 S 1 1 41 0 0 S 1 1 0 S 1 1 0 0 0 S 1 1 -77 S 1 1 -41 0 0 S 1 1 -50.5
>S 1 1 31 0 0 S 1 1 0 S 1 1 0 0 0 S 1 1 50.5 S 1 1 -31 0 0 S 1 1 -10 S 1 1 -2.5
>0 0 S 1 1 0 S 1 1 0 0 0 S 1 1 10 S 1 1 2.5 0
> }
> NumOfAttributes: 44
> "vis" S 0 1 "r" S 0 1 "g" S 0 1 "b" S 0 1 "a" S 0 1 "ro" S 0 0 "go" S 0 0
>"bo" S 0 0 "ao" S 0 0 "opc" S 0 1 "bm" S 0 0 "inv" S 0 0 "mbo" S 0 0 "mb" S 0
>1 "mbs" S 0 0.5 "mbsot" S 0 0 "mbso" S 0 0 "fo" S 0 1 "fx" S 0 0 "fy" S 0 0
>"ff" S 0 1
"ft" S 0 0 "src" S 0 0 "stx" S 0 0 "sty" S 0 0 "str" S 0 0 "sr" S 0 0 "ssx" S
0 1 "ssy" S 0 1 "ss" S 0 0 "spx" S 0 960 "spy" S 0 540 "stot" S 0 0 "sto" S 0 0
"sv" S 0 0 "sf" S 0 1 "sb" S 0 1 "nv" S 0 1 "view1" S 0 1 "ltn" S 0 1 "ltm" S 0
1 "ltt" S 0 0 "tt" S 0 4 "pt" S 0 0
> }
> }
> NumOfChildren: 0
> }
> }
>}
>}
> toolbox {selectAll {
> { selectAll ssx 1 ssy 1 sf 1 }
> { createBezier ssx 1 ssy 1 sf 1 sb 1 tt 4 }
> { createBSpline ssx 1 ssy 1 sf 1 sb 1 }
> { createEllipse ssx 1 ssy 1 sf 1 sb 1 }
> { createRectangle ssx 1 ssy 1 sf 1 sb 1 }
> { brush ssx 1 ssy 1 sf 1 sb 1 }
> { eraser src 2 ssx 1 ssy 1 sf 1 sb 1 }
> { clone src 1 ssx 1 ssy 1 sf 1 sb 1 }
> { reveal src 3 ssx 1 ssy 1 sf 1 sb 1 }
> { dodge src 1 ssx 1 ssy 1 sf 1 sb 1 }
> { burn src 1 ssx 1 ssy 1 sf 1 sb 1 }
> { blur src 1
ssx 1 ssy 1 sf 1 sb 1 }
> { sharpen src 1 ssx 1 ssy 1 sf 1 sb 1 }
> { smear src 1 ssx 1 ssy 1 sf 1 sb 1 }
>} }
> toolbar_brush_hardness 0.200000003
> toolbar_lifetime_type all
> toolbar_source_transform_scale {1 1}
> toolbar_source_transform_center {320 240}
> colorOverlay 0
> lifetime_type "all frames"
> view {}
> motionblur_on true
> motionblur_shutter_offset_type centred
> source_black_outside true
> createNewTrack {{-1} "-1\t(none)\t-1" "1000\tNew Track Layer\t1000"}
> name Roto1
> selected true
> xpos -163
> ypos 118
>}
>Text {
> message "VALUE -1"
> font /Library/Fonts/Arial.ttf
> yjustify center
> box {488 404 780 686}
> translate {1056 -372}
> center {960 540}
> name Text1
> selected true
> xpos -163
> ypos 206
>}
>ColorWheel {
> inputs
0
> gamma 0.45
> name ColorWheel1
> selected true
> xpos 68
> ypos -74
>}
>Merge2 {
> inputs 2
> operation from
> also_merge all
> name Merge1
> selected true
> xpos 68
> ypos 221
>}
>
>
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