Issue with some Aperio SVS files

[Benjamin Gilbert]

On 06/01/2014 07:02 PM, Derek Magee wrote:
> For some (say 1-2% of the ones I’ve tried) Aperio svs files, Openslide
> throws and error on openslide_read_region(). Metadata can be read ok,
> as can label images. Error printed out:
>
> TIFFFillTile: 0: Invalid tile byte count, tile 75

Some Aperio slides contain zero-length tiles; it seems to be a bug in 
some versions of the scanner software.  Fixed in this commit:

https://github.com/openslide/openslide/commit/7e033bbb

> I’m using openslide under windows (pre-built from a couple of months
> back).

Try a nightly build:

http://openslide.cs.cmu.edu/download/snapshots/windows/

--Benjamin Gilbert