Red and Blue

by Gordon

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visits member for 2 years, 8 months
seen Apr 22 '14 at 11:35

Website        GitHub        Animations and videos        3D Stills

I believe in the old-school way of learning, that is, learning by example; in life and elsewhere. This is why I also tend to provide an example in my answers (and I usually don't mind doing so as I love to code and help others at the same time).

I also believe in keeping things as simple as possible. Over the three past decades+ that I have been doing this, I have seen this as a key which leads to fewer bugs, simpler and reduced need for maintenance, more performance and more stable software.

I started with BASIC (and some Cobol), then used 68k assembler for a decade on the Amiga platform, now .Net (less than before) and for the most part JavaScript and browser/graphic oriented stuff. I have a wide spectrum of areas I have coded in, from low-level stuff to multi-user business platforms.

I am originally from Scandinavia, live in America, married, father and an explorer always eager to learn something new.

As I'm not native English speaker my apologies in advance if my cultural aspect of expression and idioms of what I write is lost in translation. I do however intend my "tone" to be nice, but "serious" (as in helping).

I do take side-projects if they are interesting and if you are willing to pay for an experienced, quality-focused developer/engineer. Send mail to github at epistemex dt com (emails with questions for SO-posts are ignored, sorry!).

awarded  Autobiographer
awarded  Teacher
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.
awarded  Editor
revised Is there a compact camera that offers secure deletion of pictures?
added 55 characters in body
answered Is there a compact camera that offers secure deletion of pictures?
awarded  Supporter
answered Do I need a model release to post a photo on an online portfolio?
answered What is the best way to photograph oil paintings with a film camera?
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)..
answered White balance adjustment using gray card