Re: [openvrml-develop] Rotation values do not correspond to the actual values in the VRML file

[blue r. <bl...@gm...>]

Hello
  Pardon me for my ignorance, but how do
I see the console output. I am using the library and not any
application. Does it appear when I run an application?

  Also, if I have a transform node pointer, what is the recommended
way to extract the rotation values? Right now I am just checking the
value by using the watch method of the debugger in Visual Studio.

Thanks a lot for your help.


On 11/10/06, Braden McDaniel <br...@en...> wrote:
>
> On Fri, 2006-11-10 at 10:52 +0000, blue rpk wrote:
> > Thanks for your reply.
> >
> > Some examples of the values that are read in and expected values are as
> > follows.
> >
> > In VRML file -  0.979336  Rotation field value  0.96029615
> > In VRML file - -0.143005  Rotation field value -0.19626954
> > In VRML file - -0.143005  Rotation field value -0.19826628
> >
> >   As you can see, the same value is read in as a different value in
> > openVRML. It is most probably something that I am doing or haven't
> > understood properly. I am attaching the VRML file that I am reading.
> >   Any help and comments appreciated.
>
> If I add this Script node to the end of your file:
>
>         Script {
>           field SFNode t USE VCube01
>           url [
>             "javascript: function initialize() { print(t.rotation); }"
>           ]
>         }
>
> I get this console output using 0.16.1:
>
>         0.979336 -0.143005 -0.143005 -1.592
>
> That tells me that the values have made it into the runtime okay. If you
> see the same output with 0.15.10, I'd guess the problem is introduced by
> however you're retrieving the values.
>
> (Note that the rotation axis value for VCube02 is not normalized;
> OpenVRML *will* change the axis values here because it will normalize
> the vector. Note that rotation axis values that are not normalized are
> technically nonconforming; that's why OpenVRML emits a warning about
> them.)
>
> --
> Braden McDaniel                           e-mail: <br...@en...>
> <http://endoframe.com>                    Jabber: <br...@ja...>
>
>
>
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