Associated thumbnails image vs Slide image

[Angelos Pappas]

Hi David,

like I said, every vendor does it's own and you have to study each 
format separately in order to figure out such mappings. I seriously 
doubt there is a catch all solution for what you are looking after.

Regards
-- 
Pappas Angelos
(+30) 6945 927829
smartcode <http://www.smartcode.gr/>


On 3/2/2016 10:19, David De Mena García via openslide-users wrote:
>
> Thanks Angelos and David:
>
> As you mention, Angelos, OpenSlide has not tiles but I use deepzoom 
> utility to compose the pyramid image.
>
> Off course I can use smaller layer (and probably i will do it)  but 
> all proprietary viewer  (Ventana, Aperio and 3DH) use the thumbnails 
> to indicate the area where it showed so I suppose that in the 
> proprietary format necessary it has to be the correspondence between 
> the thumbnails and base image.
>
> Any idea where it supposes to be?
>
> Best
>
> El 03/02/16 a las 02:30:09, David Gutman via openslide-users escribió:
>
>> Yeah I have had the same experience.  I think it's easier to just 
>> grab the thumbnail/smallest layer, but for example if you are 
>> embedded it in a webpage, you can just specify style="width:300px" or 
>> something similar and constrain the width of the actual thumbnail
>>
>> On Tue, Feb 2, 2016 at 3:27 PM Angelos Pappas via openslide-users 
>> <openslide-users at lists.andrew.cmu.edu 
>> <mailto:openslide-users at lists.andrew.cmu.edu>> wrote:
>>
>>     Hi David,
>>
>>     To my experience it will be very hard if not impossible to have a
>>     universal solution for this. Many slide formats contain a
>>     thumbnail that is not just a scaled down version of the original
>>     image, but also a trimmed one. Furthermore, OpenSlide does not
>>     expose the concept of tiles anyway, so your best bet would be to
>>     read the lowest resolution level and scale it down further to fit
>>     your needs.
>>
>>     Regards
>>
>>     Angelos Pappas
>>
>>
>>     *From: *David De Mena García via openslide-users
>>     <mailto:openslide-users at lists.andrew.cmu.edu>
>>     *Sent: *Τρίτη, 2 Φεβρουαρίου 2016 6:09 μμ
>>     *To: *openslide-users at lists.andrew.cmu.edu
>>     <mailto:openslide-users at lists.andrew.cmu.edu>
>>     *Subject: *Associated thumbnails image vs Slide image
>>
>>     Hi:
>>
>>     I'm looking to find a correspondence between the associated image
>>     thumbnails and the Slide image to compose "navigator image", so
>>     some pixel of the thumbnails will link to some tiles of the slide
>>     base image. But I need some correspondence between both image: is
>>     it possible to know the starting and end point of the slide
>>     inside the thumbnails or the real size of the thumbnails or
>>     even the mpp of the thumbnails image of any vendors?
>>
>>     Best
>>
>>     David de Mena García
>>
>>     Anatomía Patológica
>>
>>     H.U. de Jerez
>>
>>     _______________________________________________
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>>     openslide-users at lists.andrew.cmu.edu
>>     <mailto:openslide-users at lists.andrew.cmu.edu>
>>     https://lists.andrew.cmu.edu/mailman/listinfo/openslide-users
>>
> -- 
> David de Mena García
> Anatomía Patológica
> H.U. de Jerez
>
>
> _______________________________________________
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> openslide-users at lists.andrew.cmu.edu
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