http://imagej.273.s1.nabble.com/current-window-when-using-IJ-run-Java-tp5021353p5021358.html
> On 25 Oct 2018, at 12:20 , Michael Schmid <
[hidden email]> wrote:
>
> Hi Kenneth,
>
> ImagePlus.show() is only for displaying the image for the first time. If the image is already visible, it does nothing.
> If the window was not visible before, I think that it becomes the foreground image only after some delay (when it really becomes the foreground window on the screen; this is asynchronous).
>
> You need either
>
> ImageWindow win = imp.getWindow; // (imp is the ImagePlus)
> WindowManager.setCurrentWindow(ImageWindow win);
>
> or one of the IJ.selectWindow methods (e.d. based on image id).
>
> If you don't care whether the window appears as frontmost window on the screen, simply use
> IJ.run(imp, "royal");
>
>
> Michael
> ________________________________________________________________
> On 25.10.18 18:21, Kenneth Sloan wrote:
>> A question about running commands which depend on the current window. Java plugin.
>> I have a Java plugin which generates several ImagePlus objects, and shows them.
>> The last one is an 8-bit image to which I want to apply a LUT.
>> I (naîvely?) assumed that the last ImagePlus.show() call would make that window the current one, so I tried:
>> ...
>> ip1.show();
>> ip2.show();
>> ip3.show();
>> IJ.run("royal");
>> ip1 is an RGB image.
>> ip2 is a 32-bit float image.
>> ip3 is an 8-bit byte image.
>> My expectation was that the LUT would be applied to the 3rd image (the 8-bit byte image). Instead, it was applied to
>> the 2nd image (the 32-bit float image).
>> I suspected some sort of race condition, so I tried this:
>> ...
>> ip1.show();
>> ip2.show();
>> ip3.show();
>> WindowManager.setWindow(ip3.getWindow());
>> IJ.run("royal");
>> No joy! The LUT is *still* applied to ip2, the 32-bit float image.
>> What am I doing wrong?
>> For the time being, I'm leaving out the attempt to apply the LUT and simply telling the customer to use Image->Lookup Tables->royal
>> to get the color coding. That has certain advantages, BUT...I'd really like to know how to do this automatically.
>> Do I need to explicitly load the LUT? If so, what's the path to the pool of already installed LUTs? (needs to work across multiple platforms).
>> I dimly recall doing this year ago, but have forgotten the details. At the time, I was constructing a custom LUT. This time, I just want to use
>> one of the already installed LUT's.
>> --
>> Kenneth Sloan
>>
[hidden email]
>> Vision is the art of seeing what is invisible to others.
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