Hi,

To clarify, my submission contains both Lars' and my modifications. All 
credits to Lars for this change though.

/Andreas


Lars Nilsson wrote:

>Hi Robert
>I have checked Andreas submission and I find it satisfactory.
>It also corresponds with the latest OpenFlight documentation (version 16.3).
>
>Regards,
>Lars Nilsson
>
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Robert Osfield
>Sent: den 27 februari 2008 11:21
>To: OpenSceneGraph Submissions
>Subject: Re: [osg-submissions] Fix for reading Texture Attribute File in 
>OpenFlight
>
>Hi Andreas, Lars, et. al.
>
>The two files you've sent provide different sets of changes, so I'm a
>now a bit preplexed if they both address the same thing in different
>ways or solve two different problems, but looking at the different
>padding added it seems to me that they aren't compatible.
>
>Could you guys review each others changes and come up with a
>definitive version that should be merged.
>
>Thanks,
>Robert.
>
>On Tue, Feb 26, 2008 at 7:40 PM, Andreas Ekstrand
><[EMAIL PROTECTED]> wrote:
>  
>
>>Hi,
>>
>> As Lars mentioned, this seems to have been a typo in the OpenFlight
>> specification, rather than a change in the OpenFlight format. Actually,
>> all 64 bit doubles seem to begin at even 8 bytes in the ATTR file
>> format, that's why we need the added padding of 4 bytes, and I think
>> this has always been the case. So I'm pretty convinced that it doesn't
>> break older versions. Have a look at the following conversation for this
>> and a couple of other discrepancies in the OpenFlight specification:
>>
>> http://www.multigen-paradigm.com/ubb/Forum8/HTML/000253.html
>>
>> The other changes include another 4 bytes of padding after the comments.
>> The attached file contains this change and is based on the file modified
>> by Lars. The remaining issues discussed in the link above are probably
>> of no great interest right now.
>>
>> Funny, I thought I submitted those changes long ago, but perhaps it was
>> for the old OpenFlight reader. Anyway, thanks to Lars for the spotting
>> this and submitting the correction!
>>
>> Regards,
>> Andreas Ekstrand
>>
>>
>>
>>
>> Robert Osfield wrote:
>>
>> >Hi Lars,
>> >
>> >I've just reviewed you change and it looks like to me that it changes
>> >the assumed format for all version of OpenFlight files, not just a
>> >specific version and later as I was expecting, and therefore would
>> >suspect this change might break older versions of OpenFlight.
>> >
>> >As this submissions might break backwards compatibility with
>> >OpenFlight files I am not going to merge right now.  This issue needs
>> >to be fleshed out by others more knowledge of OpenFlight than myself.
>> >Calling Brede Johansen and Paul Martz... could you guys have a review
>> >of this submissions.
>> >
>> >Cheers,
>> >Robert.
>> >
>> >On Tue, Feb 19, 2008 at 4:44 PM, Lars Nilsson
>> ><[EMAIL PROTECTED]> wrote:
>> >
>> >
>> >>
>> >>
>> >>Hi,
>> >>
>> >>
>> >>
>> >>The change in this submission is for Texture Attribute File as described
>> >>from version 16.1 of OpenFlight documentation.
>> >>
>> >>In fact, I believe that it is only the documentation that has been
>> >>corrected, the file format was even before that the same.
>> >>
>> >>
>> >>
>> >>The attached file is based on OpenSceneGraph 2.3.4.
>> >>
>> >>
>> >>
>> >>Regards,
>> >>
>> >>Lars Nilsson
>> >>
>> >>
>> >>
>> >>
>> >>_______________________________________________
>> >> osg-submissions mailing list
>> >> [email protected]
>> >>
>> >>http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>> >>
>> >>
>> >>
>> >>
>> >_______________________________________________
>> >osg-submissions mailing list
>> >[email protected]
>> >http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>> >
>> >
>> >
>>
>>
>> --
>> ______________________________________________________________
>> Andreas Ekstrand
>> Remograph
>> Norrbergavägen 58
>> SE-590 54 Sturefors
>> SWEDEN
>> Website: http://www.remograph.com/
>> E-mail: [EMAIL PROTECTED]
>> Phone: +46 708 490 697
>>
>>
>>_______________________________________________
>> osg-submissions mailing list
>> [email protected]
>> http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>>
>>
>>    
>>
>_______________________________________________
>osg-submissions mailing list
>[email protected]
>http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>_______________________________________________
>osg-submissions mailing list
>[email protected]
>http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org
>
>  
>


-- 
______________________________________________________________
Andreas Ekstrand
Remograph
Norrbergavägen 58
SE-590 54 Sturefors
SWEDEN
Website: http://www.remograph.com/
E-mail: [EMAIL PROTECTED]
Phone: +46 708 490 697
_______________________________________________
osg-submissions mailing list
[email protected]
http://lists.openscenegraph.org/listinfo.cgi/osg-submissions-openscenegraph.org

Reply via email to