ROI in ROI?

[flettster]

I have two circular rois in the ROi manager. One is inside the other making a donut.

How can i make a single roi out of these 2 rois which represents the doh (excluding the hole)?

I am sure this is easy but i cannot get it to happen

Thanks in advance as always.

Andy

[Michael P Ellis]

Try the roiManager("XOR") command.

Here it is in an example script:


roiManager("reset")
newImage("Untitled", "8-bit Ramp", 400, 400, 1);
makeOval(100, 100, 200, 200);
roiManager("Add");
makeOval(175, 175, 50, 50);
roiManager("Add");
roiManager("XOR");
run("Clear", "slice");


Regards -- Michael Ellis



On 4 May 2011, at 09:30, flettster wrote:

> I have two circular rois in the ROi manager. One is inside the other making a
> donut.
>
> How can i make a single roi out of these 2 rois which represents the doh
> (excluding the hole)?
>
> I am sure this is easy but i cannot get it to happen
>
> Thanks in advance as always.
>
> Andy
>
> --
> View this message in context: http://imagej.588099.n2.nabble.com/ROI-in-ROI-tp6330051p6330051.html
> Sent from the ImageJ mailing list archive at Nabble.com.

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[Gluender-4]

Andy,

you may consult the ji-manual, section "ROI Manager", subsection "More".

>I have two circular rois in the ROi manager. One is inside the other making a
>donut.
>
>How can i make a single roi out of these 2 rois which represents the doh
>(excluding the hole)?
>
>I am sure this is easy but i cannot get it to happen
>
>Thanks in advance as always.
>
>Andy
>
>--

HTH

Herbie

[flettster]

That is excellent. It works

Now. I have read elsewhere on here that it is not possible to select 2 ROIS in the ROI manager using the shift key down function in a macro

I would like to be able to select the first 2 rois and perform the XOR command from within the macro. Is that possible?

Andy

[Gluender-4]

Andy,

nice to hear that it works.

>That is excellent. It works
>
>Now. I have read elsewhere on here that it is not possible to select 2 ROIS
>in the ROI manager using the shift key down function in a macro

Works here with ij_1-45g.jar.

>I would like to be able to select the first 2 rois and perform the XOR
>command from within the macro. Is that possible?

Yes.
        roiManager("XOR");

>Andy

You may study the macro functions manual at:

        <http://rsb.info.nih.gov/ij/developer/macro/functions.html>


HTH

Herbie

[flettster]

Thanks

I have read the manual. It is very helpful but I still run into problems!

I cannot get it to work. here is my code:


roiManager("Select", 0);
setKeyDown("shift");
roiManager("Select", 1);
roiManager("XOR");

i get an error saying that more than one item needs to be selected or none.

(ihave updated to latest version of imagej)
Thanks

Andy

[Krs5]

Hi Andy

Would this solve your problem?

roiManager("Select", 0);
setKeyDown("alt");
roiManager("Select", 1);


Kees


Dr Ir K.R. Straatman
Senior Experimental Officer
Centre for Core Biotechnology Services
College of Medicine, Biological Sciences and Psychology
http://www.le.ac.uk/biochem/microscopy/home.html
ImageJ workshop 21 and 22 July 2011 see: http://www.le.ac.uk/biochem/microscopy/ImageJ2011.html

 

-----Original Message-----
From: ImageJ Interest Group [mailto:[hidden email]] On Behalf Of flettster
Sent: 04 May 2011 23:33
To: [hidden email]
Subject: Re: ROI in ROI?

Thanks

I have read the manual. It is very helpful but I still run into problems!

I cannot get it to work. here is my code:


roiManager("Select", 0);
setKeyDown("shift");
roiManager("Select", 1);
roiManager("XOR");

i get an error saying that more than one item needs to be selected or none.

(ihave updated to latest version of imagej)
Thanks

Andy

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View this message in context: http://imagej.588099.n2.nabble.com/ROI-in-ROI-tp6330051p6332601.html
Sent from the ImageJ mailing list archive at Nabble.com.