Re: [Plplot-devel] Slow symbol rendering on some devices

2010-06-06 Thread Steve Schwartz
Hi Alan, I'll add a few comments here, and apologise to those who don't like top-posting but the comments are along various random directions. Many thanks for your remarks and explanations, which all make sense to me (at least to the extent that I need). Firstly, I did set plsc->dev_hrshsym withi

Re: [Plplot-devel] Slow symbol rendering on some devices

2010-06-05 Thread Alan W. Irwin
Hi Steve: On 2010-06-05 20:01+0100 Steve Schwartz wrote: > Hi Werner, > > On Thu, 2010-06-03 at 20:12 +0100, Werner Smekal wrote: >> For so much symbols I would suggest to use the hershey fonts for >> symbols >> with >> >> pls->dev_hrshsym = 1; >> >> text will be drawn still nicely. But I'm sure

Re: [Plplot-devel] Slow symbol rendering on some devices

2010-06-05 Thread Steve Schwartz
Hi Werner, On Thu, 2010-06-03 at 20:12 +0100, Werner Smekal wrote: > For so much symbols I would suggest to use the hershey fonts for > symbols > with > > pls->dev_hrshsym = 1; > > text will be drawn still nicely. But I'm sure qtwidget should be as > fast > as xcairo or close to, so if the 7.5 s

Re: [Plplot-devel] Slow symbol rendering on some devices

2010-06-03 Thread Werner Smekal
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi Steve, On 6/3/10 5:45 PM, Steve Schwartz wrote: > We've hit some timing problems, so I ran some experiments using a > trimmed and modified version of x01c that just plots the first graph, > full size window, with plpoin but with variable numbers of

[Plplot-devel] Slow symbol rendering on some devices

2010-06-03 Thread Steve Schwartz
We've hit some timing problems, so I ran some experiments using a trimmed and modified version of x01c that just plots the first graph, full size window, with plpoin but with variable numbers of points; I used code=25, circles, but I think it doesn't make much difference apart from plotting simple