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    It's all four of them - so, basically I want to end up with a 16-bit
    (or higher) RGBA image (TIFF). <br>
    <br>
    Thanks, Jim<br>
    <br>
    <div class="moz-cite-prefix">On 04/08/2015 09:37, Aashish Chaudhary
      wrote:<br>
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    <blockquote
cite="mid:CAEw35Z-=Wa4qhX0frAikbfiJEyKW7hq_uawX=p-jfnK+wwZawg@mail.gmail.com"
      type="cite">
      <div dir="ltr">Do you need save individual channels 16 bit or all
        four of them 16 bit? 
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        <div>- Aashihs</div>
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      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Tue, Aug 4, 2015 at 12:06 AM, James
          Geach via vtkusers <span dir="ltr"><<a
              moz-do-not-send="true" href="mailto:vtkusers@vtk.org"
              target="_blank">vtkusers@vtk.org</a>></span> wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all -<br>
            <br>
            I'm volume rendering using a fixed point volume mapper and a
            scalar to color table with up to 65536 colours, rendering to
            a virtual frame buffer (initialized with Xvfb and 16-bit
            depth).<br>
            <br>
            I'm using window to image filter and then the standard PNG
            and TIFF image writers to save the frames, however these
            always seem to save as images with 8-bit depth.<br>
            <br>
            Is there a straightforward method to write images using the
            full colour depth of the frame buffer?<br>
            <br>
            Note - I am using VTK via python.<br>
            <br>
            Thanks in advance for any help.<br>
            <br>
            Jim<br>
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        -- <br>
        <div class="gmail_signature">
          <div dir="ltr"><font face="trebuchet ms, sans-serif"><i>|
                Aashish Chaudhary <br>
                | Technical Leader         <br>
                | Kitware Inc.            <br>
              </i></font>
            <div><i><font face="trebuchet ms, sans-serif">| </font><a
                  moz-do-not-send="true"
                  href="http://www.kitware.com/company/team/chaudhary.html"
                  target="_blank">http://www.kitware.com/company/team/chaudhary.html</a></i></div>
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