Thank you for the quick fix,
this works fine; as well as the fixed NaN Background with stacks problem.
Stein
-----Original Message-----
From: ImageJ Interest Group <
[hidden email]> On Behalf Of Wayne Rasband
Sent: 04. juli 2018 23:56
To:
[hidden email]
Subject: Re: Density calibration is lost when duplicating images
> On Jul 4, 2018, at 6:26 AM, Stein Rørvik <
[hidden email]> wrote:
>
> Here is a bug that has appeared recently:
>
> When duplicating a 8-bit or 16-bit density calibrated image, the density calibration is lost.
> The spatial calibration is not lost.
> This also happens when duplicating slices from stacks.
> The bug has been present since 1.52d. It was not present in 1.52c.
This 1.52d regression is fixed in the latest ImageJ daily build (1.52e29).
-wayne
> Here is a test macro reproducing the problem:
>
> run("Clear Results");
> run("CT (420K, 16-bit DICOM)"); //this image is both spatially and density calibrated
> run("Set Measurements...", "area mean standard modal min display redirect=None decimal=4");
> run("Measure"); //results are ok
> run("Duplicate...", " ");
> run("Measure"); //results are no longer density calibrated; the spatial calibration is still ok
> selectWindow("Results");
>
> Look at the Mean value, the correct value should be negative for this image.
>
> Stein
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