Re: [Gnuplot-info] How to plot mesh with hole.

[<br...@ph...>]

Manish Goel wrote:
> Hans-Bernhard Br=F6ker wrote:

>> Yes.  But that doesn't mean you can put the actual string "(1/0)" =
into=20
>> a data file and expect that to work the same way.  1/0 is just a w=
ay=20
>> to generate the value infinity in a gnuplot command script.  But d=
ata=20
>> files aren't scripts.  You'll have to use 'set missing' --- and=
=20
>> possibly convince Ethan that this is the kind of example that shou=
ld=20
>> define how that's to be interpreted.

> I agree your point that (1/0) is string read from datafile not a va=
lue=20
> but after using ($3) it is converted into value and behave correctl=
y.=20

But that's by accident more than by design.

> But my problem is to get a mesh from single dataset with a hole in =
it.=20
> What I mean to say is that if you make any value of Z in grided dat=
aset=20
> as undefined and try to use splot command on it to plot the mesh th=
en=20
> you won't get the one. what you get are only Isolines and not any=
=20
> x-Isolines.=20

That's where 'set missing' and convincing Ethan would come into play.