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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'>[Summary: X3D to Python MFBool conversion problem fixed.]<o:p></o:p></p><p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'><o:p> </o:p></p><ol style='margin-top:0in' start=1 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l4 level1 lfo4'>Thanks for diagnosis and focus on correct code block. The actual conversion problem was failure to normalize whitespace (including original commas) before changing blank characters to comma separators in final output. Thus multiple blank and comma characters (which together are allowed whitespace in the XML output) were previously getting converted to multiple commas, ouch.<o:p></o:p></li></ol><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Revised XSLT:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo1'><xsl:variable name="commaSeparatedMFBool" select="translate(normalize-space(translate(translate(translate(string($x3dValue),'f','F'),'t','T'),',',' ')),' ',',')"/><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I modified a test scene and checked the converted output:<o:p></o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo1'>https://www.web3d.org/x3d/content/examples/Basic/development/BooleanSequencerExample.x3d<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l2 level1 lfo1'>https://www.web3d.org/x3d/content/examples/Basic/development/BooleanSequencerExample.py<br><br><o:p></o:p></li></ul><p class=MsoNormal>Revised model excerpts and correct output with diagnostic turned on:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo2'><BooleanSequencer DEF='LeftViewBinder' key='0 0.1 0.25' keyValue='false true false'/><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo2'><BooleanSequencer DEF='BackViewBinder' key='0 0.375 0.475' keyValue='false, true, false'/><o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l3 level1 lfo2'><BooleanSequencer DEF='RightViewBinder' key='0 0.5 0.6' keyValue='false , true , false'/><o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>create python:<o:p></o:p></p><p class=MsoNormal>C:\x3d-code\www.web3d.org\x3d\content\examples\Basic/development//BooleanSequencerExample.x3d processing with X3dToPython stylesheet...<o:p></o:p></p><p class=MsoNormal>*** MFBool handling, $x3dValue='false true false, $commaSeparatedMFBool='False,True,False<o:p></o:p></p><p class=MsoNormal>*** MFBool handling, $x3dValue='false, true, false, $commaSeparatedMFBool='False,True,False<o:p></o:p></p><p class=MsoNormal>*** MFBool handling, $x3dValue='false , true , false, $commaSeparatedMFBool='False,True,False<o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>BooleanSequencer(DEF='LeftViewBinder',key=[0,0.1,0.25],keyValue=[False,True,False]),<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>BooleanSequencer(DEF='BackViewBinder',key=[0,0.375,0.475],keyValue=[False,True,False]),<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>BooleanSequencer(DEF='RightViewBinder',key=[0,0.5,0.6],keyValue=[False,True,False]),<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Original test scene goes back to original state, since X3D Canonicalization (C14N) changes those pesky commas back into single blank characters.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>ISO/IEC 19776-3, Extensible 3D (X3D) encodings, Part 3: Compressed binary encoding<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>Annex 4 Concepts, Clause 4.2.3 X3D canonical form<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>https://www.web3d.org/documents/specifications/19776-3/V3.3/Part03/concepts.html#X3DCanonicalForm<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>X3D Canonicalizer<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>https://svn.code.sf.net/p/x3d/code/www.web3d.org/x3d/tools/canonical/doc/x3dTools.htm<o:p></o:p></li></ul><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>X3dToPython.xslt stylesheet committed, changes should be good for you now.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><ol style='margin-top:0in' start=2 type=1><li class=MsoListParagraph style='margin-left:-.25in;mso-list:l4 level1 lfo4'>Regarding rephrased tooltip for MFBool: please note<o:p></o:p></li></ol><ol style='margin-top:0in' start=1 type=a><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>All such hints are similarly / identically phrased for maintainability,<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l1 level1 lfo5'>All tooltip hints are for XML encoding, too easily confused otherwise.<o:p></o:p></li></ol><p class=MsoListParagraph><o:p> </o:p></p><ul style='margin-top:0in' type=disc><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>X3D4 Tooltips, FieldTypesTable<o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>https://www.web3d.org/x3d/tooltips/X3dTooltips.html#FieldTypesTable <o:p></o:p></li><li class=MsoListParagraph style='margin-left:0in;mso-list:l0 level1 lfo3'>For MFBool:<o:p></o:p></li></ul><p class=MsoListParagraph><b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:#447777;background:#99CCCC'>Hint:</span></b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:black;background:#99CCCC'> comma characters are allowed as whitespace between individual SFBool values in the list.</span><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:black'><br></span><b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:#447777;background:#99CCCC'>Hint:</span></b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:black;background:#99CCCC'> comma characters are not included in canonical form.</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So I think we are good. Again thanks for a helpful catch.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>all the best, Don<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>-- <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Don Brutzman Naval Postgraduate School, Code USW/Br brutzman@nps.edu<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>X3D graphics, virtual worlds, Navy robotics https://</span> <span style='font-size:10.0pt;font-family:"Courier New"'>faculty.nps.edu/brutzman<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> John Carlson <yottzumm@gmail.com> <br><b>Sent:</b> Monday, July 4, 2022 7:25 PM<br><b>To:</b> Brutzman, Donald (Don) (CIV) <brutzman@nps.edu>; X3D Graphics public mailing list <x3d-public@web3d.org>; holger.seelig@gmail.com<br><b>Subject:</b> Re: [Remaining Work] X3dToPython.xslt, BooleanSequencer keyValue<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Code in question in X3dToPython.xslt, I think, for MFBool's. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> <xsl:when test="($x3dType = 'MFBool')"><br> <!-- Python boolean values are True and False, comma-separated list --><br> <xsl:value-of select="translate(translate(translate(string($x3dValue),'f','F'),'t','T'),' ',',')"/><br> </xsl:when><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Spaces are translated to ',', i think, to "true, false" in XML gets translated to "True,,False" in Python.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I don't know how to fix this yet (I'm an XSLT plebe), except fix the XML so Python will work okay. Maybe we should put a feature request into Saxon or ask for help?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>At this point, my suggestion would be to fall back to some kind of regular expression replacement?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Or what I would do in sed, like:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>s/,+/,/g<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>and<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>s/ +/ /g<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>between SFBools<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>One may wish to put \s or \S , from more advanced regular expressions, and only allow one comma between SFBools in the MFBool.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I don't know if XSLT supports any of this. Check out this table for XSLT 2.0? Is this accurate?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fflylib.com%2Fbooks%2Fen%2F2.424.1.122%2F1%2F&data=05%7C01%7Cbrutzman%40nps.edu%7Cfebd8a7a066b4c06d29108da5e2d9806%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637925847160880998%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=AfjPGqSrV4%2BwpPzxROzihR3yWwKSRezo89pEJWCXU3g%3D&reserved=0">16.4 Using Regular Expressions | Learning XSLT (flylib.com)</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Did a little googling, found this:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F35840063%2Fxslt-regular-expression-replace&data=05%7C01%7Cbrutzman%40nps.edu%7Cfebd8a7a066b4c06d29108da5e2d9806%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637925847160880998%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=YogJt1t6CIIgoer9GrMVA7rfWfN7RGU7wieOdYT714Y%3D&reserved=0">regex - XSLT + regular expression replace - Stack Overflow</a> (analyze-string)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Perhaps a few of us could attend an advanced XSLT course?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Maybe we could have a learning session? I only see one analyze-string in our XSLT code base.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Could be a big win, would be my guess.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Or we could use SNOBOL or its derivative, Icon. <a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FIcon_%2528programming_language%2529&data=05%7C01%7Cbrutzman%40nps.edu%7Cfebd8a7a066b4c06d29108da5e2d9806%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637925847160880998%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=QzM1Glrkto0CBwqHC6wZ6zx6ecYDM7vzLFvavlL7u%2BA%3D&reserved=0">Icon (programming language) - Wikipedia</a> (see "Dialects" and "Influenced" for additional features, some 3D).<o:p></o:p></p></div><div><p class=MsoNormal><br>I studied Icon in school, and it was a good language, I didn't run into any snafu's with our problem set solutions.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I would recommend Icon over XML, XSLT, Python and JavaScript, if anyone cares, at least for text processing. I didn't do 3D with Icon.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>John<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jul 4, 2022 at 8:18 PM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Trying to help...For MFBool in X3d tooltips, perhaps rephrase whitespace as below, for both XML, JSON and Python (and perhaps others). <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:#447777;background:#99CCCC'>Hint:</span></b><span style='font-size:13.5pt;font-family:"Times New Roman",serif;color:black;background:#99CCCC'> a single comma character is allowed as whitespace between individual SFBool values in the list.</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:black;background:white'>Sorry, I apologize for bringing up MFStrings. I was in the wrong.</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jul 4, 2022 at 7:53 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>If commas are not allowed in XML for MFBool, then Holger needs to change her particle system code. <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jul 4, 2022 at 7:49 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal>Note: Please clarify MFBool. I will look again at recent emails.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>My understanding is that SFBool values can be separated by /, / comma followed by space in an MFBool in XML (comma as whitespace). What I'm not understanding is the Python output from X3dToPython.xslt, which puts out commas next to each other (comma not as whitespace). See below.<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jul 4, 2022 at 4:56 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=MsoNormal>Note extra commas in MFBool outputs from X3dToPython.xslt and X3dToJson.xslt.<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Jul 4, 2022 at 4:23 PM John Carlson <<a href="mailto:yottzumm@gmail.com" target="_blank">yottzumm@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Note, the following examples are unvalidated. Beware! <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For example, from: <a href="https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fraw.githubusercontent.com%2Fcreate3000%2FLibrary%2Fmain%2FTests%2FComponents%2FParticleSystems%2FBoundedPhysicsModel.x3d&data=05%7C01%7Cbrutzman%40nps.edu%7Cfebd8a7a066b4c06d29108da5e2d9806%7C6d936231a51740ea9199f7578963378e%7C0%7C0%7C637925847160880998%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=YNS4TaXeAD7d0Cznh6VzX5gD81gEsGo6g7rGkaFV90g%3D&reserved=0" target="_blank">https://raw.githubusercontent.com/create3000/Library/main/Tests/Components/ParticleSystems/BoundedPhysicsModel.x3d</a> <o:p></o:p></p><div><p class=MsoNormal> <BooleanSequencer DEF='_4'<br> key='0, 0.3, 1'<br> keyValue='true, false'/><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal>And python:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>BooleanSequencer(DEF='_4',key=[0,0.3,1],keyValue=[True,,False]),<o:p></o:p></p></div></div></blockquote></div></div></blockquote></div></div></blockquote></div></blockquote></div></blockquote></div></div></div></body></html>