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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi All,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have a pb to understand the lambda condition being
negative in the IsInside( point ) of TubeSpatialObject. <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>To me if lambda is negative, the current 2 consecutive
points used for the test are not relevant, we should skip them and look for the
next pair. Lambda negative means that the point is not inside the space within
the two &laquo;&nbsp;normal disc&nbsp;&raquo; of the two points, so why do some
test&nbsp;? <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I really cannot understand the test done on negative lambda.
A bug on the bug tracker dealing with negative lambda was corrected suggesting
that this lambda &lt;0 test was genuine&#8230;.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can somebody provide me a very simple figure where this test
is relevant? An mhd file with a point to test would be okay.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks&nbsp;!<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoAutoSig><i><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-style:italic'>Best Regards,<o:p></o:p></span></font></i></p>

<p class=MsoAutoSig><i><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-style:italic'><o:p>&nbsp;</o:p></span></font></i></p>

<p class=MsoAutoSig><i><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-style:italic'>Jerome Schmid<o:p></o:p></span></font></i></p>

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