Re: Problem with deep data

Piotr Stanczyk <[email protected]> Thu, 19 Apr 2018 12:46:04 -0700
Newsgroups gmane.comp.video.openexr.devel
Message-ID <CALVgk2oVkLTGsQt=WDhYe=4voF5zyN7qBztdv31ofKOM6dD5UQ@mail.gmail.com>
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What kind of differences are you seeing? Is there a potential color space
conversion you are seeing?

You could visualize the data in Nuke or the native (FLTK alas) viewer

-Piotr


On 19 April 2018 at 12:25, Richard Hadsell <[email protected]>
wrote:

> I have been attempting to add a deep-data part to a multipart file.
> Everything compiles and runs, but the data I read back from the file do not
> match in any way the data I wrote to the file.  I have tried simplifying as
> much as possible and stepping through the code in a debugger.
>
> (BTW, the description of DeepSlice's memory layout in ImfDeepFrameBuffer.h
> is wrong.  It doesn't describe the layout of pointers to arrays of samples.)
>
> It looks to me like all my pointers are correct, but the data returned by
> Xdr::read() are not the data I sent to Xdr::write(). The headers look fine,
> and the RGBA image looks fine, but the deep-data part is not.
>
> I have been using version 2.2.0, but I also tried 2.2.1 with no success.
>
> Has anyone had similar problems with deep data?  How can I debug this
> failure?
>
> --
> Dick Hadsell                    203-992-6320  Fax: 203-992-6001
> Reply-to:                       [email protected]
> Blue Sky Studios                http://www.blueskystudios.com
> 1 American Lane, Greenwich, CT 06831
> <https://maps.google.com/?q=1+American+Lane,+Greenwich,+CT+06831&entry=gmail&source=g>
> -2560
>
>
> _______________________________________________
> Openexr-devel mailing list
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>

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<div dir=3D"ltr">What kind of differences are you seeing? Is there a potent=
ial color space conversion you are seeing?=C2=A0<div><br></div><div>You cou=
ld visualize the data in Nuke or the native (FLTK alas) viewer</div><div><b=
r></div><div>-Piotr</div><div><br></div></div><div class=3D"gmail_extra"><b=
r><div class=3D"gmail_quote">On 19 April 2018 at 12:25, Richard Hadsell <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]" target=3D"=
_blank">[email protected]</a>&gt;</span> wrote:<br><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pa=
dding-left:1ex">I have been attempting to add a deep-data part to a multipa=
rt file. Everything compiles and runs, but the data I read back from the fi=
le do not match in any way the data I wrote to the file.=C2=A0 I have tried=
 simplifying as much as possible and stepping through the code in a debugge=
r.<br>
<br>
(BTW, the description of DeepSlice&#39;s memory layout in ImfDeepFrameBuffe=
r.h is wrong.=C2=A0 It doesn&#39;t describe the layout of pointers to array=
s of samples.)<br>
<br>
It looks to me like all my pointers are correct, but the data returned by X=
dr::read() are not the data I sent to Xdr::write(). The headers look fine, =
and the RGBA image looks fine, but the deep-data part is not.<br>
<br>
I have been using version 2.2.0, but I also tried 2.2.1 with no success.<br=
>
<br>
Has anyone had similar problems with deep data?=C2=A0 How can I debug this =
failure?<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
-- <br>
Dick Hadsell=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 203-992-6320=C2=A0 Fax: 203-992-6001<br>
Reply-to:=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0<a href=3D"mailto:[email protected]" target=3D"_b=
lank">[email protected]</a><br>
Blue Sky Studios=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a =
href=3D"http://www.blueskystudios.com" rel=3D"noreferrer" target=3D"_blank"=
>http://www.blueskystudios.com</a><br>
<a href=3D"https://maps.google.com/?q=3D1+American+Lane,+Greenwich,+CT+0683=
1&amp;entry=3Dgmail&amp;source=3Dg">1 American Lane, Greenwich, CT 06831</a=
>-2560<br>
<br>
<br>
______________________________<wbr>_________________<br>
Openexr-devel mailing list<br>
<a href=3D"mailto:[email protected]" target=3D"_blank">Openexr-devel=
@nongnu.org</a><br>
<a href=3D"https://lists.nongnu.org/mailman/listinfo/openexr-devel" rel=3D"=
noreferrer" target=3D"_blank">https://lists.nongnu.org/mailm<wbr>an/listinf=
o/openexr-devel</a><br>
</font></span></blockquote></div><br></div>

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