<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>We need the right style to cast abstract returned objects to concrete objects in python. See attached example.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>processScene.python:</p><p class=MsoNormal> [exec] Traceback (most recent call last):</p><p class=MsoNormal> [exec] File "C:\x3d-code\www.web3d.org\x3d\content\examples\Basic\RigidBodyPhysics\UniversalJointfuture.py", line 73, in <module></p><p class=MsoNormal> [exec] .setDEF("BOX-GEOM-1") \</p><p class=MsoNormal> [exec] AttributeError: 'org.web3d.x3d.sai.RigidBodyPhysics.X3DNBodyCollida' object has no attribute 'setShape'</p><p class=MsoNormal> [exec] Result: 1</p><p class=MsoNormal> [echo] C:\x3d-code\www.web3d.org\x3d\content\examples\Basic\RigidBodyPhysics\UniversalJointfuture.py</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We should probably grant a prize to whoever gets the right casting that works in all instances.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My best bet for short term is to fold the setDEF into the object constructor.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What do people think?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>