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black lines??????

Posted: Fri, 16th Sep 2005, 3:02pm

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ashman

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hi there,
will i get black lines around my models when i super impose them with chromanator??? green screening, will it be sutible to film against trees and hedges and green of similar nature?
Posted: Fri, 16th Sep 2005, 3:08pm

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Simon K Jones

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FXhome Team Member

Please post a photo/screenshot of the setup you are using with your models. We can't really offer advice without seeing the shot itself. How are you trying to composite the models?

Using trees and hedges for a greenscreen is a very bad idea, as they will generally be of the wrong type of green, have hundreds of varying shades of green, tons of little shadows, movement, holes etc etc.
Posted: Fri, 16th Sep 2005, 3:22pm

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ashman

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ah sorry, i have not started yet just gathering info, im making a short war movie in normandy, i have british troops in the light green, i need to super impose a 1:16th model tiger tank. i heard chromanator was a great program, im worried about black outlines that make it look horrible. and wether using green screen is right? do you use green screens in forestry areas? also i wondered what was the best way to light the greenscreen as ithought the aim was to minimise shadows? surely putting light will cast shadows off the subject?
Posted: Fri, 16th Sep 2005, 4:21pm

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Andreas

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If you have done compositing before, surely to get rid of the outlines will not be a problem. What you should consider though is making sure angles and lightning match with the actual footage, also make sure the camera isn't moving which will make it way harder. You could also do it oldstyle, putting the model closer to the camera making it look way bigger.

If you're all dressed in green military cloths maybe you should consider trying out bluescreen even though its harder to get a good key out of.
My sugestion for lighting it is to set it up outside on a cloudy day, you'll get an even color and no shadows.
Posted: Fri, 16th Sep 2005, 4:28pm

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Simon K Jones

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FXhome Team Member

I'm not sure what this black line fear is. smile The quality of the key depends on your greenscreen and lighting (although Chromanator can cope with sub-standard footage very well), but I'm not sure what this black line is all about.

Black matte lines went out when digital compositing came in!