Re: [Plplot-devel] cmap1 colourscale direction

2012-08-12 Thread Alan W. Irwin
On 2012-08-12 00:22-0500 Maurice LeBrun wrote: Here is the behavior I see on a plplot build (a bit old but none of this stuff has changed recently AFAIK). BTW H=120 is green, blue is H=240. Cf. http://en.wikipedia.org/wiki/HLS_color_space Using a Hue range of {0,120} gives a Red - Yellow

Re: [Plplot-devel] cmap1 colourscale direction

2012-08-12 Thread Maurice LeBrun
On Sunday, August 12, 2012 at 08:02:20 (-0700) Alan W. Irwin writes: On 2012-08-12 00:22-0500 Maurice LeBrun wrote: Here is the behavior I see on a plplot build (a bit old but none of this stuff has changed recently AFAIK). BTW H=120 is green, blue is H=240. Cf.

Re: [Plplot-devel] cmap1 colourscale direction

2012-08-12 Thread Alan W. Irwin
On 2012-08-12 12:32-0500 Maurice LeBrun wrote: On Sunday, August 12, 2012 at 08:02:20 (-0700) Alan W. Irwin writes: The name of that argument can be changed without causing an API disruption so if we can come up with a name that is a lot better, I would encourage a patch making the change

Re: [Plplot-devel] cmap1 colourscale direction

2012-08-12 Thread Maurice LeBrun
On Sunday, August 12, 2012 at 12:59:53 (-0700) Alan W. Irwin writes: path_includes_zero usually does describe the mathematical meaning, but that term is ambiguous for the special case when the hue range ends with zero or 360 since both path alternatives in that case include zero (or 360).