Re: cvs(today): splot "with image" y-size; missing data color

[Petr M. <mi...@ph...>]

> #]> 2) is there any way to set the "missing data" color for "with image" (and
> #]> perhaps "with pm3d") ?
> (...)
> #]
> #]For pm3d, either miss them in the data file, or set a z-range, or use
> #]different z-range and cb-range;
> #]	set zrange [10:1e8]
> #]will invalidate all data out of the above range.
>
> Do I understand this correctly that in pm3d map mode the zrange controls
> whether points are "drawn", i.e. whether for example in a postscript image
> the background is visible or not?

Yes, invalid quadrangles are not drawn.


> #]That cannot be done for "with image" for principal reasons -- that's to draw
> #]a matrix, so all pts must be valid. Thus, you have to make a palette with
> #]one color white and use the corresponding value for coloring your special
> #]pixels.
>
> Sure... what I was asking is: is there any way to set this special color
> value?

No; I overcome it by the above method. It may be really useful to add such a
"masking" color, chooseable like the current "textcolor". You could try to
make a proposal for syntax with comments on functionality.

---
PM