At http://sourceforge.net/projects/visualpython there is a new release
4.beta3 that fixes some (but not all) known bugs in the new beta version
of VPython. See the "Recent developments" section of vpython.org for
information about this new version.
Notes: Significant restructuring: simplified scaling and viewing;
various bugs fixed. Known remaining bugs: Rings have fixed radius, and
setting axis other than in x direction has side effect of making mouse
coordinates wrong. Arrows get picked by mousing far from the arrow.
Labels not working at all well on Windows. Graphing not finished, though
it works if x and y axes are comparable in scale. Mouse handling buggy
(e.g. in stonehenge example rotation is way too fast; right drag and
rotate are commingled). Some view stuff still not quite right (move in
toward stonehenge and the front disappears too soon).
Bruce Sherwood
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