Welcome to Open Discussion
Status: Beta
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Welcome to Open Discussion
Hi all! Alchemedia is preparing to open source technology that allows visualization of "boundless" aerial and satellite imagery via a simple http server to Java viewer connection.
The technology is based on a JPEG 2000 streaming decoder and the Java 3D API. JPG2K is an ISO specification that uses wavelet compression.
The system uses a simple file naming scheme to bypass the need for any data pre-processing by the server. Anybody with a web server will be able to serve imagery and tie applications into a 3D scene using the viewer's Javascript interface. There is no limit to the extent of the image area and the server images can be updated in an adhoc way at runtime. Images can also be draped over elevation data to provide more realistic visualizations.
We are currently in the process of moving from a meter based format to one based on lat/longitude so that we can provide national, if not global coverage.
The viewer is beta, and we are initially looking for feedback on specifications around the image data (beyond JPEG2K) that we will make available, after which we plan to provide the viewer source code.