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- MedJava
- ~~~~~~~
-
-Overview
---------
-
-MedJava is a prototype of a large scale distributed medical imaging
-system. It has been developed using Java, in particular, several
-components of Java ACE.
-
-Here are the key features of the MedJava toolkit:
-
-* Images can be both downloaded and uploaded across the network.
-* Images can be uploaded to Web servers that support HTTP PUT
- functionality (for example, JAWS).
-* The tool contains more than a dozen image filters to do image
- processing.
-* The image filters can be configured into the system dynamically
- using the Service Configurator pattern.
-
-Please send comments/suggestions to Prashant Jain (pjain@cs.wustl.edu).
-
-======================================================================
-Getting Started
----------------
-
-MedJava applet can be configured with several (optional) parameters
-via the HTML file from which the applet is invoked. Here is a list of
-the parameters:
-
-Note:
- 1) * indicates test-mode parameters
- 2) All Default URLs begin with
- http://www.cs.wustl.edu/~pjain/java/ACE_wrappers/java/ImageProcessing/framework/
-
-<START>
-Name
-<TAB>
-<TAB>
-Description
-<TAB>
-<TAB>
-<TAB>
-<TAB>
-Default
-<P>
---------------------------------------------------------------
-<P>
-configFile
-<TAB>
-<TAB>
-Specifies a URL that points to the filter
-<P>
-<TAB>
-<TAB>
-configuration file.
-<TAB>
-<TAB>
-<TAB>
-<TAB>
-<TAB>
-filter.conf
-<P>
-<P>
-*testFile
-<TAB>
-<TAB>
-Specifies a URL that points to the file that contains
-<P>
-<TAB>
-<TAB>
-a list of images that need to be tested.
-<TAB>
-<TAB>
-<TAB>
-testImages.conf
-<P>
-<P>
-*testServer
-<TAB>
-Specifies the name of the test server.
-<TAB>
-<TAB>
-<TAB>
-siesta.cs.wustl.edu
-<P>
-<P>
-*testPort
-<TAB>
-<TAB>
-Specifies the port number of the test server.
-<TAB>
-<TAB>
-<TAB>
-7789
-<P>
-<P>
-*JAWSServer
-<TAB>
-Specifies the name of the server to use in
-<P>
-<TAB>
-<TAB>
-doing image uploading during testing.
-<TAB>
-<TAB>
-<TAB>
-siesta.cs.wustl.edu
-<P>
-<P>
-*JAWSPort
-<TAB>
-Specifies the port number of the server to use
-<P>
-<TAB>
-<TAB>
-in doing image uploading during testing.
-<TAB>
-<TAB>
-<TAB>
-5432
-<P>
-======================================================================
-<END>
-
-Menu
-----
-
-o Open URL
-
- Allows user to specify a URL. If the URL points to an image that is
- readable, then the image is downloaded and displayed in the view
- panel.
-
- If the URL points to a directory that is readable then a window
- appears displaying a list of files in that directory. The user can
- then click on an image file in this window to fetch an image.
-
- IMPORTANT NOTE: If the URL points to a directory, the directory must
- not contain an "index.html" file! If it does, the
- query will fail and no list of files will appear.
-
-o Save
-
- Allows user to specify a URL to save the currently loaded image to.
- All images are saved in GIF format. Note that saving/uploading a
- file can take a while depending upon the size of the image. This is
- because, the tool first generates the GIF format and then sends the
- bytes across the network.
-
- IMPORTANT NOTE: The Web server must support image uploading, that is
- HTTP PUT functionality. Also, due to applet
- restrictions, the server MUST be running on the same
- host from which the applet was downloaded from.
-
-o Reset
-
- Resets the image to the original. Note that the effects of any
- filters that were applied to the image will be lost.
-
-o Reload Filters
-
- Reads the filter configuration file again and reloads all the image
- filters. Note that this serves as the trigger of the Service
- Configurator pattern allowing the tool to reconfigure based on new
- configuration information.
-
- The filters are specified in filter.conf. To add/remove filters,
- change this file and then select "Reload Filters".
-
- To specify a different configuration file, please see "Getting Started".
-
-o Zoom In
-
- Zooms in to the currently displayed image. Note that the applet only
- allows to zoom in 4 x times.
-
-o Zoom Out
-
- Zooms out of the currently displayed image. Note that the applet
- only allows to zoom out 1/4 x times.
-
-o Apply
-
- Apply the currently selected filter. By default no filter is
- selected. Note that applying a filter to an image can taken
- anywhere between a few seconds to a few minutes depending upon the
- image size, the filter type, and the speed of the machine on which
- the applet is running.
-
-o Filters:
-
- Allows the user to select a filter from the ones that have been
- configured into the applet. Note that this is a choice menu and its
- entries depend upon the filters that were specified in the filter
- configuration file.
-
- For more information, on how to specify the filters, please see
- "Getting Started".
-
-o About
-
- Displays the "About" dialog containing the version of the MedJava
- applet.
-
-o Help
-
- Displays this window
-
-======================================================================
-
-Limitations
------------
-
-In several browsers, for images larger than 100 KB, the Java virtual
-machine may run out of memory while doing image processing.