[Plugin] Blackout
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Thanks alot!
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ThomThom you're rolling now!
Thanks!
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sounds cool and useful
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... -
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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Cool script thomthom!
Very useful. Thank you. -
Thank you thomthom. -
Tom,
In SU you can undo an operation after saving, too. Does it not work in this case?
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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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This is useful. Thanks.
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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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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. -
THanks Thomthom
Back to the forum after a while and discovering new rubies
MALAISE
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can you please show some pics on how to use, and what for ?
that would be great
thanks in advance -
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 -
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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Thanks for the reply.
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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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Hi I know it's an old thread. Is there a way to customize the color, instead of black maybe something else, like red or any RBG code? Thanks!
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Hi onzki,
Go to your 'Plugins' folder and open 'blackout.rb' in a pure text editor (Notepad++ for instance).
Search for lines like this one:
material.color = 'Black'Replace 'Black' with the color you want, like 'red', 'green', 'blue' and so on.
Lines to be modified are: 42, 69,91, if i'm not mistaken.
The names of available colors can be found on this page:
https://ruby.sketchup.com/Sketchup/Color.htmlTo customize the color with RGB values will be a little longer to explain
Save the file blackout.rb, quit SketchUp and restart.Regards,
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