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Developing Fiji

1,903 bytes removed, 04:08, 2 December 2014
The ImageJ launcher: This section moved to http://fiji.sc/Launcher#Usage
First, you have to [[Downloading_and_Building_Fiji_From_Source|download and build Fiji]]. If you do not know Git yet, we have a [[Git for dummies|concise introduction]] for you.
 
== The ImageJ launcher ==
 
There is a program called "ImageJ-win32.exe", "ImageJ-linux64" or similar in Fiji's root directory. Its main purpose is to load a Java virtual machine with known-good options, and then launch ImageJ.
 
However, it is much more powerful than that. Amongst other things, you can
 
* Open images: '''./ImageJ-<platform> example.jpg'''
* Call Jython scripts: '''./ImageJ-<platform> example.py''' (also works for JRuby scripts when they have an '''.rb''' extension, for Beanshell scripts with '''.bsh''' extension, '''.clj''' for Clojure and '''.js''' for Javascript)
* Call the Jython interpreter: '''./ImageJ-<platform> --jython''' (the classpath will be the same as when calling ImageJA), and likewise '''--jruby''', '''--bsh''' and '''--js''' for the respective language's command-line interpreters
* Run Fiji with the system Java instead of its own one: '''./ImageJ-<platform> --system'''. But beware: this might fail since some plugins need at least Java 1.5, and the 3D viewer needs Java3D.
* Show the java command line instead of running Fiji: '''./ImageJ-<platform> --dry-run'''
* Compile a Java class: '''./ImageJ-<platform> --javac example.java'''
* Run a Java class' main() method: '''./ImageJ-<platform> --main-class=example'''
* Pass some [[JavaOptions|Java options]]: '''./ImageJ-<platform> -server --''' (everything that comes before a '''--''' is interpreted as Java option)
* Add '''.''' to the classpath and execute the given class' '''main()''' method: '''./ImageJ-<platform> Example.class'''
* Link Fiji into the PATH: '''ln -s $(pwd)/ImageJ-<platform> $HOME/bin/fiji && fiji'''
* Start Fiji and run a menu entry directly: '''./ImageJ-<platform> --run System_Clipboard''' (the underscore was used in place of a space to avoid having to quote the argument)
 
The ImageJ launcher can do more, just call '''./ImageJ-<platform> --help''' for a short description.
== Building Fiji ==
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