Re: Multipart file and metadata

Peter Hillman <[email protected]> Mon, 29 May 2017 12:35:23 +1200
Newsgroups gmane.comp.video.openexr.user
Message-ID <[email protected]> 
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Hi Anne-Gaelle

Did you get a reply from anyone? It might help to know which attributes 
you moved, how you moved the attributes, and what the error was. It 
sounds like attributes that are critical to interpreting the file have 
been moved, such as 'channels', 'compression', 'dataWindow'. This would 
cause read errors on the file.

Many tools will assume that all metadata not critical to reading the 
file is stored only in part 0, and this is a useful convention to follow.

Peter


On 19/05/17 02:20, Anne-Gaelle Jolly wrote:
> Hello,
>
> I am using a multipart file to combine different aovs and it works fine.
> In my header I can see my metadata for each part, but if I read my 
> file in Nuke I can see only my part 0 so I tried to move some 
> metadatas from other parts in part 0 but if I do that my file is not 
> read correctly, so can I do that? and if it is possible when I move 
> some metadatas from an other part should I move also the channels?
>
> Thanks
> Anne-Gaelle
>
>
>
> _______________________________________________
> Openexr-user mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/openexr-user


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    <p>Hi Anne-Gaelle<br>
    </p>
    <p>Did you get a reply from anyone? It might help to know which
      attributes you moved, how you moved the attributes, and what the
      error was. It sounds like attributes that are critical to
      interpreting the file have been moved, such as 'channels',
      'compression', 'dataWindow'. This would cause read errors on the
      file.</p>
    <p>Many tools will assume that all metadata not critical to reading
      the file is stored only in part 0, and this is a useful convention
      to follow.</p>
    <p>Peter<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 19/05/17 02:20, Anne-Gaelle Jolly
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAGm_YVAk-37=FZK-gvaMsmxEQb3Rbw8RuVJjNDyjV5RjdGJv-A@mail.gmail.com">
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
      <div dir="ltr">
        <div>Hello,</div>
        <div><br>
        </div>
        <div>I am using a multipart file to combine different aovs and
          it works fine.</div>
        <div>In my header I can see my metadata for each part, but if I
          read my file in Nuke I can see only my part 0 so I tried to
          move some metadatas from other parts in part 0 but if I do
          that my file is not read correctly, so can I do that? and if
          it is possible when I move some metadatas from an other part
          should I move also the channels?</div>
        <div><br>
        </div>
        <div>Thanks</div>
        <div>Anne-Gaelle</div>
        <div class="gmail_signature">
          <div dir="ltr">
            <div><br>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
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</pre>
    </blockquote>
    <br>
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