XRNA
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Once you have completed the installation of XRNA, you are then ready to run the program. Because XRNA is a JAR file, it may not be launched directly. The program will not start by double clicking the file as you can with most Windows applications. Instead, you must start it using the program "java" which interprets the package, and launches XRNA.
Windows 2000/XPjava -jar c:\xrna\xrna.jar
Or, for example, the directory you saved xrna.jar was on the D drive, in the folder "programs", you would type the following
java -jar d:\programs\xrna.jar
Once XRNA has started it will print it's version number and launch the main graphics window. You may then begin your XRNA session.
You may alternately specify an intitial input file by providing that when you launch the program. For example
java -jar c:\xrna\xrna.jar c:\xrna\5s.thermus.ss
This will start XRNA and immediately open the file named "5s.thermus.ss"
java -jar xrna.jar
Or, for example, the directory you saved xrna.jar was in your home directory in the folder xrna, you would type the following
java -jar xrna/xrna.jar
Once XRNA has started it will print it's version number and launch the main graphics window. You may then begin your XRNA session.
You may alternately specify an intitial input file by providing that when you launch the program. For example
java -jar xrna.jar xrna/5s.thermus.ss
This will start XRNA and immediately open the file named "5s.thermus.ss"
Memory Errors
If there are memory errors generated when starting XRNA using the the above commands it may be necessary to increase the memory allocated to Java by modifying the above commands as follows.
java -Xmx128M -jar xrna.jar
This would allocate 128 megabytes of memory for Java when it starts. If this was not sufficient you may try increasing to 256 MB as follows
java -Xmx256M -jar xrna.jar