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by VonSchnauzer

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131 reputation
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bio website github.com/…
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visits member for 1 year, 10 months
seen Apr 22 at 11:35

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Contact: ken.fyrstenberg@startmail.com

(sorry, help for SO threads will be ignored - I am no longer active on this site as of June/2014).


Feb
23
awarded  Teacher
Dec
14
comment How do I go about editing the metadata of a PNG file?
Just a note: meta-data do not necessarily follow the file if manipulated in other programs. The reason for this is that programs are free to support or ignore any additional chunks in the file besides the image descriptor and data itself. This means the program can "forget" the unsupported (by the program) chunks when re-saving the file back to disk. Properly written programs will "remember" those chunks and save them along. I just mention this as someone said that data doesn't always stick - this is the main reason in addition to software that removes these on purpose to reduce file-size.
Dec
14
awarded  Editor
Dec
14
revised Is there a compact camera that offers secure deletion of pictures?
added 55 characters in body
Dec
14
answered Is there a compact camera that offers secure deletion of pictures?
Dec
14
awarded  Supporter
Oct
22
answered Do I need a model release to post a photo on an online portfolio?
Oct
14
answered What is the best way to photograph oil paintings with a film camera?
Oct
2
comment White balance adjustment using gray card
Then he is doing somehting wrong as WB care not about luminance, only the relation between R, G and B at any luminance. My guess is that he holds the card differently each time, sometime reflects the sky, sometimes indirect, reflected light etc. which would have different "color". Hold the card so it reflect the main light source. That will get you closer to a correct result (or use a Gretach calibration card)..
Oct
2
answered White balance adjustment using gray card