Re: GPGET('terminal')

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

>> I have implemented it as you've proposed, see SF patch
>>  	1488448  User-available GPVAL_ variables
>
> It looks basically reasonable to me.
> There are some rough edges though:
>
> %%%%%%% How to handle time data on axes? %%%%%%%%%%%%%%%%%%
>
>  set xdata time
>  set xrange [ "01/06/93\t0000" : "01/11/93\t0000" ] noreverse nowriteback
>
> gnuplot> print GPVAL_X_MIN
> -207792000.0
> gnuplot> print GPVAL_X_MAX
> -194572800.0

Sorry, I have no idea about time values, I have never dealt with them.


> %%%%%%% Something wrong in save/load code %%%%%%%%%%%%%%%%%
>
> Terminal type set to 'wxt'
> gnuplot> save 'yyy'
> gnuplot> load 'yyy'
> Segmentation fault
>
> I think these special variables should not be user-writable.
> That is, I think we want to return an error message like
>
> But this means it makes no sense to save these variables in
> the `save` command, because it will not be possible to read
> them back in on `load`.

Yes, it is reasonable not to 'save' them, I will add this.

> gnuplot>  GPVAL_TERM_OPTIONS = "something or other"
>  Cannot set internal variable GPVAL_*

Do you know where is code with the variable assignment?

---
PM