Information regarding MIRAX v2.2 tile positioning

[John Minnie]

Benjamin,

You were right, I was wrong. When I rename the StitchingIntensityLayer to
something else then the Windows viewer produces seams on the v2.2 slides.

John

-----Original Message-----
From: openslide-users-bounces+jminnie=live.com at lists.andrew.cmu.edu
[mailto:openslide-users-bounces+jminnie=live.com at lists.andrew.cmu.edu] On
Behalf Of Benjamin Gilbert
Sent: Wednesday, September 12, 2012 1:50 PM
To: openslide-users at lists.andrew.cmu.edu
Subject: Re: Information regarding MIRAX v2.2 tile positioning

On 09/11/2012 11:40 PM, John Minnie wrote:
> I believe that the coordinates in the xml files are relative to a 
> moving origin and therefore do not need to be as large as the usual 
> position values.

Well, it's not just about the magnitude.  The deltas between coordinates of
adjacent tiles have much less variance in the XML than in the position map,
which is also evidence of lower resolution.

> I do not doubt that there is some purpose for this data, but I believe 
> the  "StitchingIntensityLayer" section has nothing to do with 
> positioning.

As I keep pointing out, the actual behavior of the Windows viewer seems to
refute this.

Look, your hypothesis is easily tested.  If you rename the "Scan info layer"
or "ScanInfoLayer_XMLInfoLevel" in the Slidedat, so that the Windows viewer
can't find the XML data, does the viewer display seams?

--Benjamin Gilbert

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