Re: [Visualpython-users] PovExport and arrows

[Bruce S. <Bru...@nc...>]

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Thanks for the info. That FAQ link is now fixed.<br>
<br>
I believe that if you use the latest povexport you'll find that the
arrow opacity issue has been fixed (thanks to Scott David Daniels).<br>
<br>
The arrow shaftwidth bug isn't a povexport bug but rather a bug in
Visual 5.1, corrected in Visual 5.11. However, if you don't wish to
upgrade to 5.11 right away, there's a workaround: In your VPython
program, explicitly set headwidth=2*shaftwidth and
headlength=3*shaftwidth. You'll find that in your existing program
(pre-5.11) if  after changing shaftwidth you print headwidth and
headlength you see the wrong values, though the correct values are used
in the display of the arrow. What Visual 5.11 does is report the values
of headwidth and headlength that are actually used in displays.<br>
<br>
Bruce Sherwood<br>
<br>
Guy K. Kloss wrote:
<blockquote cite="mid:200...@ma..."
 type="cite">
  <pre wrap="">On Sun, 21 Jun 2009 17:51:55 Bruce Sherwood wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Are you using povexport-2009-06-14? I think the bugs you describe have
been fixed in that recently posted version.
    </pre>
  </blockquote>
  <pre wrap=""><!---->
I'm using the one which is linked in the FAQ, and that is 
povexport-2008-11-25.zip

  </pre>
  <blockquote type="cite">
    <pre wrap="">Also, there was a bug in Visual 5.1 with respect to shaftwidth which
affected povexport, and that bug has been fixed with the new Visual 5.11.
    </pre>
  </blockquote>
  <pre wrap=""><!---->
No, still on 5.0. Don't want to bother going towards &gt; 5.0, unless I see some 
necessity in it for me right now, as I'm quite busy with my thesis ... But 
will, if I see a reasonable benefit for me.

Guy

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