Hi Nick,<div><br></div><div>You can generate one using the Bio-Formats Exporter plugin for ImageJ.</div><div><br></div><div>First, open any image. Then choose Plugins > LOCI > Bio-Formats Exporter, save as OME-TIFF format, and a dialog box will appear allowing you to select the compression type—give either "LZW" or "JPEG2000" a try.<br>
<br></div><div>The compression will change nothing about the embedded OME-XML, only how the TIFF planes are stored in the file. And all OME-TIFF compression is plane by plane (i.e., no compression over a 3D block of pixels).</div>
<div><br></div><div>-Curtis</div><div><br><div class="gmail_quote">On Fri, Sep 4, 2009 at 4:16 AM, Nick Perry <span dir="ltr"><<a href="mailto:nperry@stanford.edu">nperry@stanford.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi,<br><br>Does anyone know where I can download an example OME-TIFF file that is compressed? I see on the LOCI site (<a href="http://www.loci.wisc.edu/ome/ome-tiff-data.html" target="_blank">http://www.loci.wisc.edu/ome/ome-tiff-data.html</a>) that it is possible to compress the data in an OME-TIFF file, like with LZW for example, and I'm trying to find out where in an OME-TIFF file the compression is specified. (This all hinges of course on my intuition that it is the raw image data that is compressed, and not the surrounding tiff structure/ome-xml block.)<br>
<br>Thanks,<br><font color="#888888">Nick<br>
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