1. A system comprising: an array of cameras, each of which is disposed to image a respective portion of a widearea scene at a respective distance, the array of cameras providing a spatially continuous view of the entire wide-area scene at a substantially constant spatial resolution throughout the entire scene; memory operably coupled to the array of cameras and configured to store image data acquired by the array of cameras; a server configured to serve the image data stored in the memory at a resolution up to and including the substantially constant resolution; and an interface operably coupled to the server and configured to enable a user to request at least a portion of the image data at a given resolution; and wherein the server is further configured to serve requested image data based on the user request and registration data stored in the memory.