Re: pm3d and parametric function surface plots

[Hans-Bernhard B. <br...@ph...>]

On Thu, 2 Dec 2004, Ethan Merritt wrote:

> On Thursday 02 December 2004 09:27 am, Johannes Zellner wrote:
> > 
> > I just thought that coloring parametric surface plots according to the
> > computed z-Value is not reasonable or obvious at all.
> 
> I agree. 
> Then again, I have never needed to plot such a surface at all,
> so maybe I am failing to imagine a reasonable use.

Oh, Johannes is just setting out on a mission to beat Mathematica in the
game of "making glorious pictures of maths".  No big deal, piece of cake
actually ;->

> > But this time, the specification is ambigous.
> 
> I don't like the use of commas at all.
> Any syntax that uses commas to mean more than one thing
> is intrinsically ambiguous.
> By analogy to the existing syntax for data files,
> I think the above should instead be
> 
>       gnuplot> splot using (x):(y):f(x,y):color(x,y) 

Good thinging, in principle.  Except

> Since the syntax "splot using ..." is not currently valid, it will not
> break existing scripts.

may not be 100% correct.  Some daring young fella *might* have gone ahead
and defined himself a function named 'using' ;-)

-- 
Hans-Bernhard Broeker (br...@ph...)
Even if all the snow were burnt, ashes would remain.