or extending on that idea...
since a single black pixel could be noticable in the middle of
bright colored pixels, you could duplicate the pixel color next
to it (or even average the pixels around it), and add an offset
with the hostname value. this would probably be invisible even
by the most critical eyes :)
example if the pixel on the bottom left [0,0] is to hold the
machine ID data:
- average pixels [0,1], [1,1] and [1,0] to calculate the [0,0]
color value
- add tiny offset color value representing the machine ID to
that pixel [0,0]
obviously you'd want a second script which automatically
calculates the machine ID from the 4 pixels on the bottom left.
there's probably an easier way that i'm not aware of though ;)
++ chris
On 1/29/13 at 7:27 PM, [email protected] (chris) wrote:
hmm, or if you can spare a single pixel somewhere, you could
just burn in the hostname as color (or alpha) value...
like in the bottom right corner, each render machine gets a
slightly different shade of black (ie render1 is 0.00001,
render2 is 0.00002 etc)
then if you have corrupt renders you could check the pixel
value and see where it came from.
++ chris
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