<div dir="ltr"><div><font color="#500050"><span style="font-size:12.8px">Hi Mathieu!</span></font></div><div><br></div><div><br></div><span class="im" style="font-size:12.8px">>> Thank you for your help, unfortunately this time I got the following<br>>> message:<br>>><br>>> Assertion failed!<br>>><br>>> Program: C:\Program Files\Java\jre1.8.0_31\bin\javaw.exe<br>>> File: src/openslide-decode-dicom.c, Line 933<br>>><br>>> Expression: stream<br><br></span><span style="font-size:12.8px">>This line (although a little cryptic) indicate that the file could not</span><br style="font-size:12.8px"><span style="font-size:12.8px">>be open for reading. I suspect you entered an invalid path:</span><br style="font-size:12.8px"><br style="font-size:12.8px">><a href="https://github.com/malaterre/openslide/blob/dicom-wsi/src/openslide-decode-dicom.c#L933" rel="noreferrer" target="_blank" style="font-size:12.8px">https://github.com/malaterre/openslide/blob/dicom-wsi/src/openslide-decode-dicom.c#L933</a><br style="font-size:12.8px"><br style="font-size:12.8px"><span style="font-size:12.8px">>You may want to print what's in `err` just to be sure.</span><br><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Sorry for the late response, I tried to resolve the problem but I don't seem to find a solution.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">The error in C is the following:</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">"Couldn't open .\DOG15_20: No such file or directory" </span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">I have downloaded dcmtk from offis and run the following commands in cygwin: </span><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">$ mv Dog_15x15_20x.dcm DOG15_20 </span></div><div><span style="font-size:12.8px">$ mv Dog_15x15_40x.dcm DOG15_40 </span></div><div><span style="font-size:12.8px">$ dcmmkdir --output-file DOGDIR --general-purpose-dvd DOG15_20 DOG15_40</span><br></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px">Every file is in the same directory.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 11 September 2015 at 09:13, Mathieu Malaterre <span dir="ltr"><<a href="mailto:mathieu.malaterre@gmail.com" target="_blank">mathieu.malaterre@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Thu, Sep 10, 2015 at 10:50 PM, Benjamin Gilbert <<a href="mailto:bgilbert@cs.cmu.edu">bgilbert@cs.cmu.edu</a>> wrote:<br>
> On 09/10/2015 03:10 AM, Mathieu Malaterre wrote:<br>
>> On Thu, Sep 10, 2015 at 7:06 AM, Benjamin Gilbert <<a href="mailto:bgilbert@cs.cmu.edu">bgilbert@cs.cmu.edu</a>> wrote:<br>
>>> I've seen<br>
>>> <<a href="https://github.com/uclouvain/openjpeg/issues/376" rel="noreferrer" target="_blank">https://github.com/uclouvain/openjpeg/issues/376</a>>; are there other<br>
>>> problems with OpenJPEG?<br>
>><br>
>> Long story short, this should not be an issue for OpenSlide, since you<br>
>> pretty much require direct file access, so fread should be pretty<br>
>> cheap (ideally would need an fseek instead).<br>
><br>
> Ah, I misunderstood your use of "streaming" in that bug. I thought #376<br>
> covered the material actually covered by #94.<br>
><br>
>> Again this is OT here, but even if #94 gets fixed other part of code<br>
>> will need to be updated. Right now OpenJPEG requires enormous amount<br>
>> of memory if you request the bottom-right pixel, which makes OpenSlide<br>
>> pretty much useless for JPEG2000/WSI.<br>
><br>
> Do you think this will be fixed within a small number of years?<br>
<br>
</span>Honestly, I do not believe so. #94 is just the tip of the iceberg, I<br>
know however that Antonin has been working very hard to find<br>
fundings...so we'll see.<br>
<br>
As explained in my other mail, with a little bit of luck<br>
Aperio/Ventana do not make use of precincts, but instead use tiles.<br>
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