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Earlier Post

Fiona Soon
Hello, All,

I am a newbie in ImageJ.

Can someone tell me where can i find basic question and answer of ImageJ?

Please kindly provide a link. I really appreciate that!

Thank you.

Regards,

Fiona
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Re: Earlier Post

Ahmed Khwaja
I'm not sure what do you mean by "basic". There are few tools you can try.

For help on any topic in ImageJ, you can use search engine on the following
website:
http://rsb.info.nih.gov/ij/search.html

For ImageJ guide you can refer to the manuals and documentations on the
following website:
http://rsb.info.nih.gov/ij/docs/index.html

cheers,
Ahmed

-----Original Message-----
From: ImageJ Interest Group [mailto:[hidden email]] On Behalf Of Fiona
Soon
Sent: Monday, 22 May, 2006 9:55 PM
To: [hidden email]
Subject: Earlier Post

Hello, All,

I am a newbie in ImageJ.

Can someone tell me where can i find basic question and answer of ImageJ?

Please kindly provide a link. I really appreciate that!

Thank you.

Regards,

Fiona
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Antwort: Earlier Post

Joachim Wesner
In reply to this post by Fiona Soon
There is no extensive FAQ as I know of, yet look through what is accessible
on

      http://rsb.info.nih.gov/ij/docs/index.html

Going through all this should keep you busy for some time!

JW



                                                                                                                                       
                      Fiona Soon                                                                                                      
                      <fionasoon@GMAIL         An:      [hidden email]                                                            
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                      Gesendet von:            Thema:   Earlier Post                                                                  
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                      23.05.2006 02:55                                                                                                
                      Bitte antworten                                                                                                  
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Hello, All,

I am a newbie in ImageJ.

Can someone tell me where can i find basic question and answer of ImageJ?

Please kindly provide a link. I really appreciate that!

Thank you.

Regards,

Fiona



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ROI manager questions

Joachim Wesner
Hi,

I like the region manager a lot, but seem to have a problem: The manual is
talking about (several) selected ROIs, how do it achieve that? I seem to be
able to only highlight ONE
of the entries in the manager window at the time. (Already tried pressing
Shift, Ctl, Alt....)

Also, I would highly appreciate if in addition to "Combine" which should
give the UNION of the selected regions it would be possible  to somehow
create an INTERSECTION of the regions
(i.e. to make ROIs with holes). I know this adds some complexity as you
will need to specify which ROI should interpreted as "outer" and which ones
as "inner" border etc.. Any ideas how to do that?

The possibilty to cut a hole in an existing ROI with Alt is already great,
but I would like to later finetune that hole (relative to the
surroundings), which seems to be impossible at the time, the moment you
release the mouse button everything will be converted into a complex
"freestyle" ROI and you can only move the whole thing around. With the
manager I could draw and tune outer and inner borders separately and
combine later

Thanx

JW



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Re: ROI manager questions

Gabriel Landini
On Tuesday 23 May 2006 10:42, Joachim Wesner wrote:
> I like the region manager a lot, but seem to have a problem: The manual is
> talking about (several) selected ROIs, how do it achieve that? I seem to be
> able to only highlight ONE
> of the entries in the manager window at the time. (Already tried pressing
> Shift, Ctl, Alt....)

First draw & add all the ROIs you need by pressing Shift while drawing, then
click Add in the ROI Manager. That entry contains all the previously selected
ROIs.

> Also, I would highly appreciate if in addition to "Combine" which should
> give the UNION of the selected regions it would be possible  to somehow
> create an INTERSECTION of the regions
> (i.e. to make ROIs with holes).

Not sure if this can be done, but the intersection could in principle be
obtained:
Create ROI1, store it
Create ROI2 that intersects with ROI1 but subtract it (Alt), store it as ROI3
Restore ROI1 and subtract ROI3
The result should be the intersection.

You could use a binary image of the filled ROIs to create the intersection and
then use the wand to get the result ROI.

You can make ROIs with holes and this was discussed here not long ago (with a
macro example). Have a look in the mailing list archive.

> but I would like to later finetune that hole (relative to the
> surroundings), which seems to be impossible at the time, the moment you
> release the mouse button everything will be converted into a complex
> "freestyle" ROI and you can only move the whole thing around.

Not really, one can still add and subtract to that ROI by playing with the
Shift and Alt keys.
I hope it helps.
Cheers,

Gabriel
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Re: Earlier Post

No Name-4
In reply to this post by Fiona Soon
Also,

The WCIF manual is also a nice resource:

http://www.uhnresearch.ca/facilities/wcif/imagej/

Jim





Ahmed Khwaja <[hidden email]>
Sent by: ImageJ Interest Group <[hidden email]>
05/22/2006 09:49 PM
Please respond to ImageJ Interest Group

 
        To:     [hidden email]
        cc:     (bcc: James Deeds/PH/Novartis)
        Subject:        Re: Earlier Post


I'm not sure what do you mean by "basic". There are few tools you can try.

For help on any topic in ImageJ, you can use search engine on the
following
website:
http://rsb.info.nih.gov/ij/search.html

For ImageJ guide you can refer to the manuals and documentations on the
following website:
http://rsb.info.nih.gov/ij/docs/index.html

cheers,
Ahmed

-----Original Message-----
From: ImageJ Interest Group [mailto:[hidden email]] On Behalf Of
Fiona
Soon
Sent: Monday, 22 May, 2006 9:55 PM
To: [hidden email]
Subject: Earlier Post

Hello, All,

I am a newbie in ImageJ.

Can someone tell me where can i find basic question and answer of ImageJ?

Please kindly provide a link. I really appreciate that!

Thank you.

Regards,

Fiona




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