<div dir="ltr">Mathieu,<div><br></div><div>I think that I have found where is the catch.</div><div><br></div><div>In OpenSlide.java there is an array called levelDownsamples containing all the downsample values for all the levels if I am not wrong.</div><div>The problem when with the file DOGDIR is that I have only two values in that array [1, 1.94444444444]. For the other formats this array has many more values.</div><div><br></div><div>So when i use the Demo.java it tries to open an image that is too large.</div><div><br></div><div>In my case:</div><div><br></div><div><div>$ openslide-write-png DOGDIR 0 0 1 36864 34048 dicom.png</div><div>openslide-write-png: Cannot seek to offset: Invalid argument</div></div><div><br></div><div>I don't know why is that. </div><div><br></div><div>Thank you!</div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 14 September 2015 at 12:26, 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">Ivo,<br>
<br>
On Sat, Sep 12, 2015 at 1:22 PM, Ivo Rakar <<a href="mailto:ivo23061987@gmail.com">ivo23061987@gmail.com</a>> wrote:<br>
[...]<br>
<span class="">> Thanks! It worked, but now I have another problem.<br>
><br>
> When I try to use it with the java demo it gives me the following error:<br>
><br>
> "Not a JPEG file: starts with 0x00 0x00"<br>
<br>
</span>It would be of tremendous help if you could reproduce it with a one<br>
liner. Typically :<br>
<br>
> openslide-write-png DICOMDIR 0 0 0 512 512 dicom.png<br>
<br>
where syntax is:<br>
<br>
openslide-write-png slide-file x y level width height output-file<br>
<br>
Thanks much,<br>
</blockquote></div><br></div>