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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi Mark,<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 know it can be adjusted via different opacity settings,
but I doubt you will find a general rule, since it is dependent on the number
of planes (volumesize &amp; sampledistance) that are being used.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>You will only find settings that fit to certain cases. I
expect the internal calculation needs to be changed.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Regards<br>
Michael<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'>PS: @jesús, since I&#8217;m answering the postings from
website, I don&#8217;t have the &#8220;reply to all&#8221; option, it opens up
only with &#8220;reply to&#8221; (vtk.org)<o:p></o:p></span></font></p>

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