Re: how active a different img

Posted by sombreroduck on
URL: http://imagej.273.s1.nabble.com/activeImage-how-to-set-it-tp3701057p5002572.html

Hi Michael,
Thanks for the help!. In fact, I had tried the commands you suggested (with "WindowManager" in front since it's a plugin, not a macro) but it was either throwing errors, ignoring the command, or picking the FFT image instead. This latter happened now when I tried again, but I found that if I closed the FFT window first it would work. Do you know why it was always picking the title, id or imp of the FFT (middle image) and not the InverseFFT? (front image)

Thanks again!

On 5 April 2013 18:03, Michael Schmid-3 [via ImageJ] <[hidden email]> wrote:

Hi Sombreroduck,

assuming you are writing a macro (your commands don't look like java code
of a plugin):

Before using selectImage(id) or selectImage(title), you have to define the
variable 'id' (or 'title') while the image is still in the foreground:
  id = getImageID();
or
  title = getTitle();


When really writing a plugin, however, use
  ImagePlus imp = WindowManager.getCurrentImage();
Later on, you can use
  WindowManager.setTempCurrentImage(imp);


Michael
_________________________________________________________________


On Fri, April 5, 2013 17:10, sombreroduck wrote:

> Hi,
> I'm writing a plugin which runs an FFT and then an Inverse FFT on (part
> of)
> an image. I then want to overlay this new inverse back onto the original
> image, and had thought to do this with IJ.run("Add Image...", "etc...);
> but
> to do this the original image would have to be active.
>
> I've tried selectImage(id) and selectImage(title) but it just throws
> errors
> "cannot find symbol". Does anyone know how I can convince it to make the
> original image active again?
>
> (alternatively if you know another way to pop the inverse FFT back onto
> the
> original img?)
>
>
> Cheers!
> R
>
>
>
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