Re: Line profile seems to filter data

Posted by Michael Schmid on
URL: http://imagej.273.s1.nabble.com/Line-profile-seems-to-filter-data-tp5021433p5021454.html

Hi Mark,

thank you for the clear example!
I see the problem now. It seems to lie in
PolygonRoi.fitSplineForStraightening; I'll see whether I can fix it.

Michael
________________________________________________________________
On 13.11.18 18:14, msenko wrote:

> Thanks, Michael.  I had already tried turning off interpolation with no
> effect. With the nature of our gridded data, I discovered early on about the
> 'shift' key! I definitely use it.
>
> But, the profiles I posted were generated using the macro. The line/width
> match exactly the rectangular width/height. In general, with our data, this
> damping is very persistent and not very particular about the line
> characteristics, except as you mentioned, that the line be truly horizontal.
> The biggest question is 'Why don't the line and rectangle produce the same
> profile?'
>
> I didn't know that about OneDrive, I've never used it before. Here is a
> google drive link:
>
> https://drive.google.com/open?id=14BR7JTcLE6UfnCqK09MVaE9tsNAoQbzyhttp://
> <https://drive.google.com/open?id=14BR7JTcLE6UfnCqK09MVaE9tsNAoQbzyhttp://>
>

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