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From: Andrew Cocker
Subject: Re: Overexposed? Post Processing of POV images.
Date: 22 Apr 2002 17:58:36
Message: <3cc4878c@news.povray.org>
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"Jan Walzer" <jan### [at] lzer net> wrote in message
news:3cc426af$1@news.povray.org...
> what he probably meant is, that there is
> also a glow-postprocess option in Megapov
>
> please check the docs ...
Ah yes, so there is.. my mistake. It's been a long time since I used
MegaPOV, and I had forgotten about it.
Andy
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From: Alan Holding
Subject: Re: Overexposed? Post Processing of POV images.
Date: 23 Apr 2002 04:10:29
Message: <3cc516f5@news.povray.org>
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"Andrew Cocker" <big### [at] mariner9fsnetcouk> wrote in message
news:3cc1bf43@news.povray.org...
> Does anybody know how I can achieve the 'overexposed' glow that occurs on
> bright white areas of an image? Any tutorials you know of? I don't have
> Photoshop, but I do have Paint Shop Pro 7. A batch processing solution
would
> be even better.
A super simple solution:
Duplicate the original layer. Set the duplicated layer's mode to Dodge and
adjust it's opacity to fit.
Bit more involved:
Duplicate the original layer. In PSP 7, go to Effects > Edge > Dilate.
Then Effects > Blur > Gaussian Blur of about 7. Then set the duplicated
layer's mode to Screen or Dodge and adjust the opacity to fit.
As far as I know, you need Image Robot to do batch image processing work in
PSP. You might want to try and use IrfanView (www.irfanview.com). It has
batch processing, but only rudimentary image processing functions, such as
Brightness, Gamma, Contrast, etc.
Alan.
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From: Andrew Cocker
Subject: Re: Overexposed? Post Processing of POV images.
Date: 23 Apr 2002 13:08:25
Message: <3cc59509$1@news.povray.org>
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Ok, thanks all for suggestions. I used Alan's recent suggestion as I read
his post shortly before attempting the image manipulation, and I got
beautiful results by modifying the curve of the duplicated layer to clip
away all dark areas (thanks Kari), and then performing the layer adjustments
as per Alan's suggestion.
Unfortunately I cannot automate this process, as Image Robot (which I have)
cannot work with layers :-(.
I shall be posting an animation very shortly which will demonstrate this
glow effect perfectly... watch this space.
All the best,
Andy Cocker
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