[Plugin] Blackout

[Plugin] Blackout

Postby thomthom » Fri Jan 16, 2009 12:04 pm

This plugin was made on request from Free Agent which wanted a script that turned all materials black so he could then make one material white and render out a material mask for post processing. Hence the name.

I later added another function that picked the material of a selected and turned that white and the rest black, just to make it a little bit more quicker to set it up.



NOTE! Run this script on a backup file!!!
This script removes all textures, and opacity and modifies the colour. While the operation is undoable it's all to easy to accidentally save the file. (I press Ctrl+S regularly as a habit.)

Plugin is operated from the Plugin menu. "Blackout" and "Mask Material"

Tested against SU6 & 7

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Update 1.2.0:
Free Agent had a got idea: use the current material instead of the selected object's material. Added this new function.

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Last edited by thomthom on Fri Nov 29, 2013 12:30 am, edited 4 times in total.
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Re: [Plugin] Blackout (1.1.1)

Postby Stinkie » Fri Jan 16, 2009 12:17 pm

Thanks alot!
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Re: [Plugin] Blackout (1.1.1)

Postby CadFather » Fri Jan 16, 2009 12:48 pm

ThomThom you're rolling now!

Thanks! :D
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Re: [Plugin] Blackout (1.1.1)

Postby free agent » Fri Jan 16, 2009 1:19 pm

:thumb: :geek:
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Re: [Plugin] Blackout (1.1.1)

Postby plot-paris » Fri Jan 16, 2009 1:36 pm

sounds cool and useful :thumb:

immediately the 'Greyscale' by Jim Foltz springs to my mind.
the script turns all colours to greyscale. then you can one or several textures to be changed back to colour to make them stand out more clearly. somehow Jim managed to preserve all the colour information, the script lets you toggle between 'Greyscale-' and 'Colour-mode'.
that would be the perfect thing to take your script to the next step - make the changes undoable...
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Re: [Plugin] Blackout (1.2.0)

Postby thomthom » Fri Jan 16, 2009 1:45 pm

The original colour could be stored in an attribute dictionary. But I'm not sure about textures. I didn't find a way to turn them off. Only remove them. Will have a look at Jim's script and see if he handles textures. I've not spent much time on this. Just quickly whipped it together while working on some other stuff.
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Re: [Plugin] Blackout (1.2.0)

Postby kwistenbiebel » Fri Jan 16, 2009 1:55 pm

Cool script thomthom! :thumb:
Very useful. Thank you.
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Re: [Plugin] Blackout (1.2.0)

Postby bianhai » Fri Jan 16, 2009 6:12 pm

:thumb:
Thank you thomthom.
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Re: [Plugin] Blackout (1.2.0)

Postby Gaieus » Fri Jan 16, 2009 7:44 pm

Tom,

In SU you can undo an operation after saving, too. Does it not work in this case?
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Re: [Plugin] Blackout (1.2.0)

Postby thomthom » Fri Jan 16, 2009 7:48 pm

I suppose so. But I make the warning just in case as there isn't any built in restore in the function. Also, with V-Ray for SketchUp I've experienced that it can some times interfere with the undo operations of scripts. Especially if it manipulates materials.
It's a better safe than sorry warning. ;)
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Re: [Plugin] Blackout (1.2.0)

Postby sepo » Sat Jan 17, 2009 2:05 pm

This is useful. Thanks.
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Re: [Plugin] Blackout (1.2.0)

Postby JClements » Sun Jan 18, 2009 11:13 pm

ThomThom:

I think this might have been discussed a year or two ago.

I make masks for postprocessing by turning all my layer colors to black and turn on Color By Layer in the Layer Manager. This eliminates messing with the material colors directly. I hardly ever organize my layers via a color scheme so this method is relatively fast to do and doesn't screw up the model. Also, SU shadows are exported with their greyscale value which can be interpreted in post processing as semi-transparent.


I often create a style for Color by Layer in my model and assign it Scene named "MASK" which only remembers style parameters. I can then use this scene to on toggle Color by Layer for any of the other scenes.

My workflow would be to click on any Camera view or Scene and select the "MASK" Scene, and export the current view as your mask for post processing.

Now IF Ruby can remember and store a model's existing Layer Colors and later restore them, then a script to temporarily change the model's layer colors to black, turn on Color by Layer, queue the File > Export > 2D Graphic dialog and then restore the layer colors after printing, might be pretty quick and handy.
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Re: [Plugin] Blackout (1.2.0)

Postby thomthom » Mon Jan 19, 2009 12:22 pm

Interesting.
I made this script very very quickly. I might revise it and implement some more stuff suggested. Appears that there was more use for this than I thought. And there's some good ideas here.
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Re: [Plugin] Blackout (1.2.0)

Postby MALAISE » Sat Jan 24, 2009 8:58 am

THanks Thomthom

Back to the forum after a while and discovering new rubies :D :D

MALAISE
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Re: [Plugin] Blackout (1.2.0)

Postby me3mar » Sun Feb 01, 2009 1:58 pm

can you please show some pics on how to use, and what for ?
that would be great
thanks in advance
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Re: [Plugin] Blackout (1.2.0)

Postby sepo » Fri Jun 26, 2009 4:57 pm

Would it be possible to include transparency of .png . Give you an example. If you for instance have a .png tree in front of the material than tree should go black instead of rectangle. It would make life much easieer if possible.
Thanks
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Re: [Plugin] Blackout (1.2.0)

Postby thomthom » Fri Jun 26, 2009 5:34 pm

Nope. Can't read transparency info. If I had access to the V-Ray maps I could have replaced the texture with the alpha texture - but I don't have access to that either.
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Re: [Plugin] Blackout (1.2.0)

Postby sepo » Fri Jun 26, 2009 11:02 pm

Thanks for the reply.
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Re: [Plugin] Blackout

Postby xiombarg » Wed Mar 19, 2014 5:36 am

This is actually another really good plugin for character and product design and a standard feature of high end modelling programs. Animation modelling programs implement this feature to help the designer get a better idea of a characters posture and demeanor which subtly reflects their personality. Product designers also use it for similar purposes.

Probably is a good idea to do a quick save before using it though, just in case.
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