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Experimental Color gradients generated using cosine waves for Red, Green and Blue color components.
Parameters for cosine wave Offset, Amplitude, Frequency and Phase have been animated for every RGB component.
Waverley Route gradient post between Melrose and Tweedbank stations with part of one of the wooden arms still in situ, 12th November, 2016.
The gradient post that stood beneath the Southcourt footbridge at the north end of Aylesbury station. The post and the bridge have now gone. I'm not sure of its provenance - it may be of GCR, LNER, GWR or Metropolitan origin. The gradient of 1:2200 seems insignificant but it is actually quite noticeable; approaching Aylesbury from the north you have to apply a couple of notches of power in order to maintain the 30mph line speed. 21st April 2003.
*Copyright © 2010 Lélia Valduga, all rights reserved.
*Reprodução proibida. © Todos os direitos reservados.
*Imagem protegida pela Lei do Direito Autoral Nº 9.610 de 19/02/1998.
Based on some of the manipulated photos I posted as abstracts, this is a completely made up image I created using Paintbrush, a free color-paint program on my Mac. I can see too many artifacts from the tool that my skill isn't up to dealing with. HOWEVER, the basic thought seems to have worked out ok. What I noticed in the manipulated images of the inside of a crab's shell is that having a gradient or progression in a limited palate going along one dimension, and then applying a second palate and shape in another direction was "interesting" to look at. So here's a spray-paint gradient in blue tones, upper left to lower right, with a poured color splater going right to left, fading from orange to bright yellow.