<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><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
{mso-style-priority:34;
margin-top:0in;
margin-right:0in;
margin-bottom:0in;
margin-left:.5in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri",sans-serif;}
.MsoChpDefault
{mso-style-type:export-only;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
/* List Definitions */
@list l0
{mso-list-id:402605436;
mso-list-type:hybrid;
mso-list-template-ids:-930175702 -1 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}
@list l0:level1
{mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level2
{mso-level-number-format:alpha-lower;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level3
{mso-level-number-format:roman-lower;
mso-level-tab-stop:none;
mso-level-number-position:right;
text-indent:-9.0pt;}
@list l0:level4
{mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level5
{mso-level-number-format:alpha-lower;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level6
{mso-level-number-format:roman-lower;
mso-level-tab-stop:none;
mso-level-number-position:right;
text-indent:-9.0pt;}
@list l0:level7
{mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level8
{mso-level-number-format:alpha-lower;
mso-level-tab-stop:none;
mso-level-number-position:left;
text-indent:-.25in;}
@list l0:level9
{mso-level-number-format:roman-lower;
mso-level-tab-stop:none;
mso-level-number-position:right;
text-indent:-9.0pt;}
ol
{margin-bottom:0in;}
ul
{margin-bottom:0in;}
--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'> We conquered most of the attribute errors. There might be one or a few left in the X3dForWebAuthors folder.</li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo1'>Outstanding error 1:</li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>$ python foo.py<o:p></o:p></p><p class=MsoNormal>Traceback (most recent call last):<o:p></o:p></p><p class=MsoNormal> File "foo.py", line 8, in <module><o:p></o:p></p><p class=MsoNormal> .setIS(IS() \<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_export_class.pxi", line 760, in jnius.JavaMethod.__call__<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_conversion.pxi", line 78, in jnius.populate_args<o:p></o:p></p><p class=MsoNormal> File "jnius\jnius_utils.pxi", line 205, in jnius.check_assignable_from<o:p></o:p></p><p class=MsoNormal>jnius.JavaException: Invalid instance of 'org/web3d/x3d/jsail/X3DConcreteNode' passed for a 'org/web3d/x3d/sai/Core/X3DNode'<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Code:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>$ cat foo.py<o:p></o:p></p><p class=MsoNormal>import classpath<o:p></o:p></p><p class=MsoNormal>from org.web3d.x3d.jsail.Core.ProtoBodyObject import ProtoBodyObject as ProtoBody<o:p></o:p></p><p class=MsoNormal>from org.web3d.x3d.jsail.Core.ISObject import ISObject as IS<o:p></o:p></p><p class=MsoNormal>from org.web3d.x3d.jsail.Grouping.TransformObject import TransformObject as Transform<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>ProtoBody() \<o:p></o:p></p><p class=MsoNormal> .addChild(Transform() \<o:p></o:p></p><p class=MsoNormal> .setIS(IS() \<o:p></o:p></p><p class=MsoNormal> ) \<o:p></o:p></p><p class=MsoNormal> )<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This is because setIS returns an X3DConcreteNode (in X3DConcreteNode) and the X3DConcreteNode is not a X3DNode, despite the fact that TransformObject derives from X3DNode. Suggest cast to X3DNode or adding additional addChild methods with additional types as parameters to ProtoBodyObject.java. Casts are seen throughout the X3DJSAIL code for addChild. Perhaps it would be preferable to add methods which avoid casts in application code (ok in library).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>What do you think?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Will start python execution process to report on additional errors (mostly stack overflows, I think).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John<o:p></o:p></p></div></body></html>