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Plotting performance with cywin running under Win7


From: Matthew Reich
Subject: Plotting performance with cywin running under Win7
Date: Sun, 09 Jun 2013 15:21:03 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7

Hello,

Running Octave through cygwin under Win 7 or under XP, graphics performance for plotting suffers from slow GUI response speed. Following the suggestions in Octave documentation, I am using fltk rather than gnuplot, but the plotting speed and GUI response speed does not differ much between the two. In particular, using fltk, the initial rendering is slow, especially for vectors over several hundred thousand elements. For plots of all data sizes, the window becomes gray when moved, after plotting another window, or intermittently after fltk GUI operations. Convincing the window to redraw can take some time. GUI response for zooming is slow and sporadic.

Any suggestions for improving performance?
Also, any suggestions for which formats best export graphics for pasting into MSWord documents?

Thank you,

--
Matthew Reich
home tel. 781-391-4913
cell tel. 617-710-3372



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