<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:16px"><div id="yui_3_16_0_ym18_1_1459239767518_74959"><span id="yui_3_16_0_ym18_1_1459239767518_75451">Hi,</span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959"><span><br></span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959" dir="ltr"><span id="yui_3_16_0_ym18_1_1459239767518_75113">Thank you, I tried volume(inputs[0]), I got no error and no result in the renderview. But, I got a data called result in the information panel, the data range is [-1, 1.544e-06]. Is this what I normally need to get ? Does the data range mean that the cells are of negative volume.</span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959" dir="ltr"><span id="yui_3_16_0_ym18_1_1459239767518_75416">I attached picture that show information panel before and after applying the pythonCalculator.</span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959" dir="ltr"><span><br></span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959" dir="ltr"><span id="yui_3_16_0_ym18_1_1459239767518_75444">Regards,</span></div><div id="yui_3_16_0_ym18_1_1459239767518_74959" dir="ltr"><span id="yui_3_16_0_ym18_1_1459239767518_75417">Islem</span></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: verdana, helvetica, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> Le Mardi 29 mars 2016 14h06, Utkarsh Ayachit <utkarsh.ayachit@kitware.com> a écrit :<br></font></div> <br><br> <div class="y_msg_container"><div class="yqt3467635165" id="yqtfd25910">> Thank you for your email. I used volume(input) expression for my case and<br clear="none">> for the sphere from the the sources but again I got an error in both of<br clear="none">> cases which is AttributeError: 'builtin_function_or_method' object has no<br clear="none">> attribute 'NewInstance'. See picture attached.</div><br clear="none"><br clear="none">Use "inputs[0]" instead of "input" e.g. volume(inputs[0]).<div class="yqt3467635165" id="yqtfd49710"><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>