Re: Argh: Why are arrows clipped to the graph?

[Daniel J S. <dan...@ie...>]

Ethan Merritt wrote:
> On Wednesday 09 November 2005 04:14 pm, Harald Harders wrote:
> 
>>On Wed, 9 Nov 2005, Ethan Merritt wrote:
>>
>>
>>>What you are now finding is that this generic clipping doesn't always
>>>work the way you would like, because the individual terminal drivers
>>>are not consistent.
>>
>>But that's not caused by generic or specific clipping. It is caused by the
>>fact that the clipping boundary is in the middle of the canvas in many
>>cases.
> 
> 
> 
> Well, in this particular case it is caused by the fact that when
> post.trm expands its drawing limits, it does not change the values
> of term->xmax and term->ymax.   Therefore if you clip against them,
> it doesn't work.  So far as I know, other terminal drivers
> correctly report what their actual limiting coordinates are.

PostScript, I'm almost certain, will have better clipping than any
other utility.

> 
>>I hope so. The most important thing for me is to combine both correct
>>clipping with saving compatibility with my old postscript/epslatex plots.
> 
> 
> Good luck on that.  As I keep pointing out, you cannot both have
> compability across terminals and compatibility with old versions,
> because in the old (and current) version the terminals themselves
> are not compatible.

Add a better do_arrow() to the PostScript terminal, that's all.  Effort
in that is more worthwhile.

Dan