[ImageJ-devel] Operations which produce pixels outside of image range

[Barry DeZonia]

Hi Justin,

Thank you for trying out the beta and reporting bugs. This issue has been
entered into our bug trac database. You can refer to it via this link:

http://code.imagej.net/trac/imagej/ticket/1129

I have CCed you on the ticket so you will be apprised of status updates.

On Tue, Apr 17, 2012 at 4:27 PM, Senseney, Justin (NIH/CIT) [E] <
senseneyj at mail.nih.gov> wrote:

> In Beta1 of IJ2, if you open an image like Samples->Boats.gif and multiply
> by 5, or -5, you’ll see that the resulting intensities are wrapping around
> the maximum/minimum supported pixels.  Another example, create a new 8-bit
> image of pixel intensity 255 and call Process->Math->Multiply: 1.1, the
> resulting value is 25.  Auto-promotion of images would be useful, but for
> reference IJ1 just leaves at minimum/maximum intensity value supported in
> image as appropriate.   ****
>
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