Comments on: Constant Luma Palette http://www.realtimerendering.com/blog/constant-luma-palette/ Tracking the latest developments in interactive rendering techniques Mon, 17 Jun 2013 03:17:13 +0000 hourly 1 http://wordpress.org/?v=3.4.1 By: Real-Time Rendering · Do you really display PNGs? http://www.realtimerendering.com/blog/constant-luma-palette/comment-page-1/#comment-162 Real-Time Rendering · Do you really display PNGs? Fri, 30 Oct 2009 22:42:13 +0000 http://www.realtimerendering.com/blog/?p=404#comment-162 [...] up the luma palette images reminded me of a useful PNG I made back around 1999 or so, back when this file format was pretty [...] [...] up the luma palette images reminded me of a useful PNG I made back around 1999 or so, back when this file format was pretty [...]

]]> By: Eric http://www.realtimerendering.com/blog/constant-luma-palette/comment-page-1/#comment-156 Eric Mon, 12 Oct 2009 19:41:49 +0000 http://www.realtimerendering.com/blog/?p=404#comment-156 From an email by Bert Peers: Do you know about Monet's painting "Impression: Sunrise"? It shows a very bright sun against a hazy background, but at the same time it uses the luminance trick to make the sun invisible. So the part of the brain that sees color conflicts with the part that works on intensity, giving the whole an eerie quality. A better explanation and a try-it-yourself link: http://www.webexhibits.org/colorart/monet.html and a larger version: http://p.giroud.free.fr/monet/impression_soleil.jpg From an email by Bert Peers:

Do you know about Monet’s painting “Impression: Sunrise”? It shows a very bright sun against a hazy background, but at the same time it uses the luminance trick to make the sun invisible. So the part of the brain that sees color conflicts with the part that works on intensity, giving the whole an eerie quality.

A better explanation and a try-it-yourself link:
http://www.webexhibits.org/colorart/monet.html
and a larger version:
http://p.giroud.free.fr/monet/impression_soleil.jpg

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