use Edit>Selection>Specify.... You can choose between pixel and scaled
> Hey all,
>
> A short question: Does anybody know how to set up the size of
> "Rectanglar tool"? For instance, draw a rectangular with 500x800um
> in a normalized picture or even pixels in the original picture
> (e.g. make the square with a set size but not adjust it
> carefully)?
>
> Thank you very much in advance!
>
> Cheers, Hongbo
>
>
> On Oct 3, 2013, at 5:22 AM, Aaron Hendrickson <
[hidden email]>
> wrote:
>
>> Andrew, I am not sure why it's loading so slow for you. Have you
>> tried opening the images as a virtual stack? That may not be
>> what you want but it will certainly load faster (at the cost of
>> slower processing). Also, you might want to close ImageJ and
>> try opening the stack again. I hope this helps a little.
>>
>> -Aaron
>>
>>
>> On Wed, Oct 2, 2013 at 10:21 PM, Andrew Riching
>> <
[hidden email]> wrote:
>>
>>> Apologies if this has been addressed before - I searched for my
>>> issue in previous threads, but hadn't seen the specific problem
>>> I'm having anywhere. I'm trying to open a fairly large file (3
>>> GB) which is a Z series over time with multiple stage locations
>>> totaling about 2800 images. I've opened these routinely on a
>>> mac mini running both 10.6.8 and 10.7, with the computer having
>>> 8 GB of RAM. Generally, they open in about 10 minutes.
>>>
>>> Right now I'm working at home on a 64 bit Windows 7 machine
>>> with an intel i7 3.4 GHz processor with 16 GB of RAM on a 64
>>> bit version of FIJI, so I would expect the files to open even
>>> faster, however this isn't happening. I haven't gotten one to
>>> open at all yet, and I've been waiting over an hour. I checked
>>> the memory and threads, and it's set to use 12000 MB of memory
>>> (so the 75% of the total memory that was recommended on the
>>> FIJI wiki) with 8 threads and the "Run garbage collector on
>>> status bar" box is checked. I have tried using less threads and
>>> less memory, but the results don't change. I am monitoring the
>>> computer's performance, and the CPU usage shifts between 12%
>>> and 15% while the memory usage is between 4.00 and 4.7 GB,
>>> generally with at least 8GB "free."
>>>
>>> Is there something I'm overlooking about changing the memory
>>> allocation? FIJI seems to ignore whatever I set.
>>>
>>> Thanks, -Andrew
>>>
>>>
>>>
>>> -- View this message in context:
>>>
http://imagej.1557.x6.nabble.com/Memory-issue-tp5005018.html
>>> Sent from the ImageJ mailing list archive at Nabble.com.
>>>
>>> -- ImageJ mailing list:
http://imagej.nih.gov/ij/list.html>>>
>>
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