http://imagej.273.s1.nabble.com/How-can-I-run-ImageJ-with-Java-1-6-on-my-MacBook-tp3691203p3691208.html
OK. I checked and had 64-bit java installed, so I just replaced my
ImageJ64.app file with one I downloaded fresh from the web. Now
> My mileage has been -
> IJ1.43 64bit on Mac Pro tower, OS10.5.8, Java 1.6.0_13 64-bit, runs
> well. IJ 32-bit opens using Java 1.5.0_19 32-bit. this one goes to
> OS10.6 today.
>
> On MacBook Pro OS10.5.8 Java 1.6.0_13 64-bit, with IJ 32-bit running
> with Java 1.5.0_19 32-bit,,both ran well,. Today, the MBP is
> upgraded to OS10.6, IJ 64 uses Java 1.6.0_15 64-bit, and IJ 32 uses
> Java 1.6.0_15 32-bit.
>
> I've encounter no problems opening one and then the other version of
> IJ, or running both at the same time. Do you have the 64-bit Java
> installed?
> Applications/Utilities/Java Preferences
>
> Glen
>
> Glen MacDonald
> Core for Communication Research
> Virginia Merrill Bloedel Hearing Research Center
> Box 357923
> University of Washington
> Seattle, WA 98195-7923 USA
> (206) 616-4156
>
[hidden email]
>
> ******************************************************************************
>
> The box said "Requires WindowsXP or better", so I bought a Macintosh.
> ******************************************************************************
>
>
>
> On Sep 11, 2009, at 12:20 PM, Bill Mohler wrote:
>
>> Any trick to getting ImageJ64 to launch on a Mac? When I
>> double-click, I see the icon react, but don't find any application
>> opening. FYI, I had been running ImageJ(32) earlier. Do I need to
>> reboot?
>>
>> I have IJ 1.43F on OS 10.5.8, Java 1.5.0_19 (32bit). I think I'm all
>> up-to-date.
>>
>> Thanks,
>> Bill
>>
>> Wayne Rasband wrote:
>>>
>>> > I have a MacBook running Mac OS X 10.5.8 with
>>> > 1 GB of RAM. I would like to use Jerek Sacha's
>>> > ij-plugins-toolkit, but they require Java 1.6.
>>> >
>>> > I have Java SE 1.6 64 bit on this Mac as well as Java 1.5,
>>> > but the ImageJ Installation page mentions ImageJ will only
>>> > use Java 1.6 if the machine has more than 2.5 GB RAM.
>>> >
>>> > So is there any way to convince my copy of ImageJ to
>>> > use Java 1.6 without stuffing more RAM into my MacBook?
>>>
>>> ImageJ for Mac OS X comes with two applications (launchers), ImageJ
>>> and ImageJ64. On Mac OS X 10.5 (Leopard), ImageJ uses a 32-bit
>>> version of Java 1.5 and ImageJ64 uses a 64-bit version of Java 1.6.
>>> On Mac OS X 10.6 (Snow Leopard), ImageJ uses a 32-bit version of
>>> Java 1.6 and ImageJ64 uses a 64-bit version of Java 1.6. ImageJ64 is
>>> much faster than ImageJ but it crashes more often and it is not able
>>> to run commands, such as File>Import> Using QuickTime, that use
>>> QuickTime for Java. Image64 does not required 2.5 GB or RAM but it
>>> is able to use more than 1.8 GB if you have more than 2 GB installed.
>>>
>>> I did some benchmarking and found that the getPixel() method is ~4
>>> times faster when running ImageJ64. It is as fast as directly
>>> accessing the pixel data, which means that Java 1.6 must be inlining
>>> the getPixel() method.
>>>
>>> -wayne
>>>