Oh, I meant to ask: If you know of an interactive plotting library, written in any language, please let me know so I can compare them to PDL::Graphics::Prima. Now that I've compared it to one of them, I'm quite curious.
David On Fri, Aug 3, 2012 at 10:05 AM, David Mertens <[email protected]> wrote: > Hey folks - > > I've been using Python at my day job lately and needed to create a > scatter plot to examine some data. I had roughly 11,000 points. Since > I'm trying to use Python, I wrote a little script to visualize that > data using matplotlib. Although matplotlib has pan and zoom > capabilities, I was frustrated at how sluggish the response was. I > agree that 11,000 is a lot of points, but it was frustrating > nonetheless. > > "Well," I thought, "I wonder how my PDL::Graphics::Prima would handle > this many data points." I had visualized a ton of data when I started > work on the library (100,000 points, maybe?), but I had made a few > low-level changes that I figured would make things slower. So I wrote > a small Perl script, and the en result is that PDL::Graphics::Prima is > noticeably more responsive than matplotlib. Furthermore, last night I > finally overhauled PDL::Drawing::Prima's internals with the aim of > improving the speed and making the operations more robust (the latter > being the real goal, the former being a nice benefit), and using the > new code leads to plots that are even more responsive. > > I'm sure that an OpenGL-based visualization tool with a half-decent > video card could out-perform PDL::Graphics::Prima, but for now, I'm > quite pleased. Expect a new PDL::Drawing::Prima to come out in the > next week, along with a revised PDL::Graphics::Prima. :-) > > David > > -- > "Debugging is twice as hard as writing the code in the first place. > Therefore, if you write the code as cleverly as possible, you are, > by definition, not smart enough to debug it." -- Brian Kernighan -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." -- Brian Kernighan _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
