[x3d-public] Patched file, please review

[John Carlson]

I realize that changes have probably been made to the data files by Efi.
It will be useful to see the changes.

I am guessing I will return to volunteering the 29th or 30th, maybe later.
  My carpal tunnel has been improving.   Note that I will probably miss two
or more weeks in the future due to surgery recovery.

John


On Tue, Apr 20, 2021 at 9:57 PM John Carlson <yottzumm at gmail.com> wrote:

> Indeed, looking at X3Dv4 XML encoding,  X3D Canonical Form (but I'm
> confused over whether VRML also has a canonical form or not):
>
>
> file:///home/coderextreme/X3D/ISO-IEC19776/ISO-IEC19776-3/ISO-IEC19776-3v4.0/ISO-IEC19776-3v4.0-WD1/Part03/concepts.html#X3DCanonicalForm
>
> retrieved via git clone.
> Section 4.2.3:
>
> "Double-quote and single-quote characters:
>
>    1. Individual MFString array values are bounded by "double-quote"
>    characters, each separated by a single space.
>    2. The overall MFString attribute is contained within 'single-quote'
>    characters.
>
> EXAMPLE 1  <NavigationInfo type='"WALK" "EXAMINE" "ANY"'/>
>
>
>    1. Single-quote characters within an MFString value are replaced by
>    the ′ character entity.
>    2. Double-quote characters within an MFString value are replaced by
>    the " character entity (and escaped by a leading backslash
>    "\" character).
>    3. XML " character references that delimit individual strings in
>    an MFString array are converted to double-quote characters.
>
>    EXAMPLE 1  <Text string=' "\"Hello, quotation marks\"" "Line
>    2 has no quotation marks" '/> displays the following two lines:
>
>        “Hello, quotation marks”
>        Line 2 has no quotation marks"
>    4.
>
>
>    =========================================================================
>
> I'm not seeing any '  It could appear in XML Canonicalization? I do
> see 3), which appears to say ' is at least not preferred.
>
> Also, I'm seeing in 2) that my way of handling FontStyle family is correct.
>
> Read 'em and weep, or just send back a response rebutting.
>
> Enjoying the lively banter about standards.  Is this what you guys spend
> time doing?
>
> Remember, people are spending their lives on this stuff.  No need to jerk
> them around excessively.  Getting close to right was literally a struggle,
> and we're not quite there yet for JSON parsing with X3DJSONLD.java (or
> whatever it's called now).  I was aching over pretty much everything in
> XML, which is why *I* prefer JSON (despite not having comments).  It is an
> ECMA standard.  It has a large body of people who know and love or hate it.
>
> Suggestion, we at least do XML -> JSON -> XML in 2 wildly different ways.
>
> What should the new standard be?
>
> In 5)  I do not see why we have ""'s and also \"   very confusing.
> Oh, I get it, quotes within SFStrings.
>
> So maybe I am just the foil to discuss this.  I have yet to find a detail
> in V4 that wasn't in V3.3
>
> Drop a little data file in the archives, and poof, it explodes.
>
> I'm hearing a suggestion that I go through the standard using a fine tooth
> comb, because we are generating it from X3DUOM?
>
> There is room for building prototypes before specifications.   Just look
> at how X3DUOM was created. I know it's not your favorite way of dealing
> with things.
>
>
> John
> On 4/19/21 10:36 PM, John Carlson wrote:
>
> I didn't realize that ' was acceptable.  I knew " used to be
> acceptable, and may still be. This is the first time I've see ' and
> there were complaints, but I can't recall which tool. I am also getting
> complaints about the '"Times"'.
>
> So I reference:
>
>
> https://www.web3d.org/documents/specifications/19776-3/V3.3/Part03/concepts.html#X3DCanonicalForm
> which I believe is the latest XML encoding standard (reviewing, I see
> there's a 4.0 draft).
>
> "Double-quote and single-quote characters:
>
>    1. Individual MFString array values are bounded by "double-quote"
>    characters, each separated by a single space.
>    2. The overall MFString attribute is contained within 'single-quote'
>    characters.
>
> EXAMPLE 1  <NavigationInfo type='"WALK" "EXAMINE" "ANY"'/>
>
>
>    1. Single-quote characters within an MFString value are replaced by
>    the ′ character entity.
>    2. Double-quote characters within an MFString value are replaced by
>    the " character entity (and escaped by a leading backslash
>    "\" character).
>    3. XML " character references that delimit individual strings in
>    an MFString array are converted to double-quote characters.
>
>    EXAMPLE 1  <Text string=' "\"Hello, quotation marks\"" "Line
>    2 has no quotation marks" '/> displays the following two lines:
>
>        “Hello, quotation marks”
>        Line 2 has no quotation marks"
>
>
> Please read the above and tell me what I'm doing wrong.  This seems to
> indicate that newlines, tabs, etc. be are allow between SFStrings in an
> MFString in XML, but I don't know about HAnim or X3DV4.
>
> The above also indicates that ' is not a good encoding for
> single-quote characters, although it's OK XML.
>
>
> I'm not really sure where else to look for X3D Canonical Form, clicked the
> first link on Google, dang, that's 3.3. Okay, I see version="4.0" X3DV4 in
> the audio X3D files.   But X3DV4 doesn't cover XML encoding that I know
> of?  I will look through the drafts.  Okay, I see:
>
>
> https://raw.githubusercontent.com/Web3DConsortium/X3D/master/ISO-IEC19776/ISO-IEC19776-3/ISO-IEC19776-3v4.0/ISO-IEC19776-3v4.0-WD1/Part03/concepts.html
> (I did try to read this).
>
> Or:
>
>
> https://raw.githubusercontent.com/Web3DConsortium/X3D/master/ISO-IEC19776/ISO-IEC19776-3/ISO-IEC19776-3v4.0/ISO-IEC19776-3v4.0-WD1/Part03/concepts.html#X3DCanonicalForm
> (not found).
>
> I don't see any way to show this except by downloading from the github
> site. I have already seen the HTML--looks like gobbledegook, as that's
> what's shown on github.  Is there another way to view github that will show
> the rendered file?
>
> Looking here:
>
> https://www.web3d.org/specifications/
>
> I do see the 3.3 XML encoding standard referenced as first link above.
>
>
> I don't really want to spend time downloading the standard yet.  Is there
> someplace you can privately share the rendered X3DV4 Canonical Form on the
> web for me as a member of web3d consortium?  Seems like creating a member
> accessible version would be very handy for collaboration, and then there
> would be no disagreements (which version do you have, etc.).
>
> This might be a good place on the web3d.org website to put member
> documents?  It's under "Documents" on the main web3d.org site.
> https://www.web3d.org/about/documents
>
>
> I'm not sure I can share the X3D 4.0 XML encoding standard on the mailing
> list?   Should I contact you directly once I've viewed the 4.0 version?  So
> far, I've just viewed it on github.  Yes, I realize I am not up on all the
> encoding standards at this time, mostly I am focused on getting
> JSON/JavaScript working.  My second priority is HAnim.  XML is way down the
> list of my priorities.
>
> I'm a bit nervous having proprietary info on my computer right now.  A
> virus scan did not go perfectly (100 false positives), so I'm a bit
> nervous. What I'll do is download the snapshot, render and send a picture
> to Don directly, then delete my version.
>
> Thanks!
>
> John
> On 4/19/21 8:43 AM, Don Brutzman wrote:
>
> I don't think two-sided material was intended, recommend merging Material
> nodes (watch out for duplicate diffuseColor) or else simply remove one of
> them.
>
> Or better yet, refresh your version control later.  I just started
> adjusting these copies, found a lot of differences with Efi's latest.  Am
> using those differences to add & test some new diagnostics.
>
> p.s. John you likely want to adjust your text output to match X3D
> Canonical Form in order to avoid diffs when comparing equivalent node
> definitions.
>
> On 4/17/2021 11:54 PM, John Carlson wrote:
>
> NPS WARNING: *external sender* verify before acting.
>
>
> SplitChannels.x3d attached. (no guarantees on which material was chosen
> as backMaterial).
>
>
> x3d/content/examples/X3dForAdvancedModeling/AudioSpatialSound$ diff
> SplitChannels.x3d ~/X3DJSONLD/src/main/data/SplitChannels.x3d
> 20c20
> <     <NavigationInfo DEF='NAV' headlight='true' type='NONE'/>
> ---
>  >     <NavigationInfo DEF='NAV' headlight='true' type='"NONE"'/>
> 44,45c44,45
> <             <Material diffuseColor='0.345 0.345 0.882'
> transparency='0'/>
> <             <Material ambientIntensity='0.0933' diffuseColor='1 1 1'
> emissiveColor='0 0 0' shininess='0.51' specularColor='0.46 0.46 0.46'/>
> ---
>  >             <Material diffuseColor='0.345 0.345 0.882'
> transparency='0' containerField="material"/>
>  >             <Material ambientIntensity='0.0933' diffuseColor='1 1 1'
> emissiveColor='0 0 0' shininess='0.51' specularColor='0.46 0.46 0.46'
> containerField="backMaterial"/>
> 47,48c47,48
> <           <Text solid='false' string='Right Channel Volume'>
> <             <FontStyle family=''Times'' horizontal='true'
> justify='BEGIN' leftToRight='true' size='1' spacing='1' style='BOLD'
> topToBottom='true'/>
> ---
>  >           <Text solid='false' string='"Right Channel Volume"'>
>  >             <FontStyle family='"Times"' horizontal='true'
> justify='"BEGIN"' leftToRight='true' size='1' spacing='1' style='BOLD'
> topToBottom='true'/>
> 74,75c74,75
> <             <Material diffuseColor='0.345 0.345 0.882'
> transparency='0'/>
> <             <Material ambientIntensity='0.0933' diffuseColor='1 1 1'
> emissiveColor='0 0 0' shininess='0.51' specularColor='0.46 0.46 0.46'/>
> ---
>  >             <Material diffuseColor='0.345 0.345 0.882'
> transparency='0' containerField="material"/>
>  >             <Material ambientIntensity='0.0933' diffuseColor='1 1 1'
> emissiveColor='0 0 0' shininess='0.51' specularColor='0.46 0.46 0.46'
> containerField="backMaterial"/>
> 77,78c77,78
> <           <Text solid='false' string='Left Channel Volume'>
> <             <FontStyle family=''Times'' horizontal='true'
> justify='BEGIN' leftToRight='true' size='1' spacing='1' style='BOLD'
> topToBottom='true'/>
> ---
>  >           <Text solid='false' string='"Left Channel Volume"'>
>  >             <FontStyle family='"Times"' horizontal='true'
> justify='"BEGIN"' leftToRight='true' size='1' spacing='1' style='BOLD'
> topToBottom='true'/>
> 107c107
> < </X3D>
> \ No newline at end of file
> ---
>  > </X3D>
>
>
> all the best, Don
>
>
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