wow! thanks guys! I'll give those a try!
(This is a great community!)
On Tue, Jun 24, 2014 at 4:20 AM, Diogo Girondi <diogogiro...@gmail.com>
wrote:
> Try using a isnan() or isinf() on a colour expression node to set those
> down to zero or some other value.
>
> set cut_paste_input [stack 0]
> version 8.0 v5
> push $cut_paste_input
> Group {
> name dBadPixels
> help "Sets NAN and INF pixels to a specified value.\n\nDiogo Girondi"
> tile_color 0x31c9b2ff
> selected true
> xpos -57
> ypos -99
> addUserKnob {20 dBadPixels}
> addUserKnob {6 replace_nans l "Replace NaNs in " +STARTLINE}
> addUserKnob {6 nR l R -STARTLINE}
> nR true
> addUserKnob {6 nG l G -STARTLINE}
> nG true
> addUserKnob {6 nB l B -STARTLINE}
> nB true
> addUserKnob {6 nA l A -STARTLINE}
> nA true
> addUserKnob {19 nan_color l Color}
> nan_color {0 0 0 0}
> addUserKnob {6 nan_color_panelDropped l "panel dropped state" -STARTLINE
> +HIDDEN}
> addUserKnob {26 ""}
> addUserKnob {6 replace_infs l "Replace INFs in " -STARTLINE}
> addUserKnob {6 iR l R -STARTLINE}
> iR true
> addUserKnob {6 iG l G -STARTLINE}
> iG true
> addUserKnob {6 iB l B -STARTLINE}
> iB true
> addUserKnob {6 iA l A -STARTLINE}
> iA true
> addUserKnob {19 inf_color l Color}
> inf_color {0 0 0 0}
> addUserKnob {6 inf_color_panelDropped l "panel dropped state" -STARTLINE
> +HIDDEN}
> addUserKnob {26 ""}
> }
> Input {
> inputs 0
> name Input
> xpos -313
> ypos -272
> }
> Expression {
> temp_name0 nanR
> temp_expr0 parent.nan_color.r
> temp_name1 nanG
> temp_expr1 parent.nan_color.g
> temp_name2 nanB
> temp_expr2 parent.nan_color.b
> temp_name3 nanA
> temp_expr3 parent.nan_color.a
> expr0 parent.nR?isnan(r)?nanR:r:r
> expr1 parent.nG?isnan(g)?nanG:g:g
> expr2 parent.nB?isnan(b)?nanB:b:b
> expr3 parent.nA?isnan(a)?nanA:a:a
> name ReplaceNaNs
> xpos -313
> ypos -238
> disable {{!parent.replace_nans}}
> }
> Expression {
> temp_name0 infR
> temp_expr0 parent.inf_color.r
> temp_name1 infG
> temp_expr1 parent.inf_color.g
> temp_name2 infB
> temp_expr2 parent.inf_color.b
> temp_name3 infA
> temp_expr3 parent.inf_color.a
> expr0 parent.iR?isinf(r)?infR:r:r
> expr1 parent.iG?isinf(g)?infG:g:g
> expr2 parent.iB?isinf(b)?infB:b:b
> expr3 parent.iA?isnan(a)?infA:a:a
> name ReplaceINFs
> xpos -313
> ypos -214
> disable {{!parent.replace_infs i}}
> }
> Output {
> name Output1
> xpos -313
> ypos -185
> }
> end_group
>
>
>
> On Mon, Jun 23, 2014 at 1:57 PM, Michael Garrett <michaeld...@gmail.com>
> wrote:
>
>> I would set an expression based on anything above a very large number
>> going to zero. As long as that large number doesn't encompass any actual
>> valid scene values. Then you can run your MaxLuma curve tool.
>>
>> depth.Z>1000000?0:depth.Z
>>
>>
>>
>> On 23 June 2014 12:24, HSK <charhar...@gmail.com> wrote:
>>
>>> Hi there,
>>>
>>> On a current project I'm working on, our depth passes are spitting out a
>>> colour of
>>>
>>> 3.4e+38 on empty areas. There's nothing I can do about the way the
>>> AOV's(passes) are spit out.
>>>
>>> Does anyone here have a handy and quick way of selecting those empty
>>> areas?
>>>
>>> I want to apply a curve tool for max luma pixel in an automated way, and
>>> cant because of these empty areas...and I don't know how to tell the curve
>>> tool to ignore that colour.
>>>
>>> I tried using keylight and typing in that number, and it read as
>>> nan,nan,nan
>>>
>>> Any ideas?
>>>
>>> Thanks!
>>>
>>> Steve
>>>
>>> _______________________________________________
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>>>
>>
>>
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>
>
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