This is a very cool raster data visualization tool, including Java. Definitely worth checking out. Search the DAACs from here. Java-based Query Form Notes Clear. This has a cool Java interface.
Displays map with paths on it.
When you click on part of the path, it lists images available by release date. JPL Amazon Radar Imagery Notes Displays map of South America with coverage highlights. You click a point and 3 windows open. You can also input coords if you prefer. These sites show how map servers can be used as part of a search tool and also for presenting results.