[Octave-bug-tracker] [bug #48387] Wrong line joins make noisy data much noisier

[Pantxo Diribarne]

Follow-up Comment #15, bug #48387 (project octave):

I think having a control on linecap/join would be very useful, but setting it
directly in the postscript prolog looks like a hack:
* 1- it is not safe to assume that gl2ps won't change the value of linejoin we
have set
* 2- as per comment #12 and comment #14, it would be useful to change the
value of linejoin/cap on a per object type basis.
* 3- terminal svg and pdflatexstandalone will not be affected and will thus be
different from other formats (which are all based on postscript)

We thus need something like the pseudo-code below:

gl2ps_print::draw_line (go)
{
  gl2psSpecial (gl2ps_term, "/oldlinejoin currentlinejoin def\n1
setlinejoin");
  gl_render::draw_line (go)
  gl2psSpecial (gl2ps_term, "oldlinejoin setlinejoin");
}


We should also be able to do the same for pdf (psdlatexstandalone uses pdf
terminal) and svg terminals.

In the end, this looks like a feature request for gl2ps, no? 


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