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Jaz: A Geographic Area Selection Applet

The JazPanel is a Java-based geographic area selection applet.

This version is mostly Javascript and HTML. The main point is to make the text fields in HTML so Web readers will be able to read them, which should satisfy 508 compliance. The only Java part is the map, which needs to stay java to keep the rubber-band drawing capabilities for ordinary users. With the text fields editable, and HTML, users who cannot use the map will still be able to enter coordinates.

The radio buttons and checkboxes at the bottom of the page switch some configuration parameters in the applet. They are there for demonstration purposes. (Most interfaces would just pick an appropriate configuration and not leave it up to the user to define.)

Note that the core of this interface is the same Java applet as the "Mostly Java" version, just with a few switches switched and the actual applet not displayed. There is an additional layer of HTML forms on this page and the HTML communicates with the Java via heavy use of Javascript. Javascript is not browser independent, so that could be a problem.

What works and what doesn't:

WHAT (SHOULD) WORK

Pretty much everything. The map seems to stagger a bit at time and needs to be kicked (i.e. select a different map, resize the window, etc.) before it starts working properly.

WHAT DOESN'T WORK

It's not actually hooked in to anything, so you can't run a search. JAZ is just a piece of an interface.

Please send comments, questions and queries regarding this project to swick@nsidc.org