All the Earth Observation Satellites are on a SSO (Sun Synchronous
because the main purpose of these spacecraft is to transmit images of
any given place on earth (e.g. twice a week) taken at a fixed local
time in order to have... shadows the same on every image of the same
While I believe this being now OT, I couldn't refrain myself to
answer this one. I beg to be forgiven. Some of you may know why;-)
Le 11 sept. 06 à 23:00, technophobe a écrit :
> Its funny, though, they have pieces patched from different angles,
> but they
> all seem to have been taken around the same time of day judging by
> the shadows.
> At 11:09 AM 9/11/2006 +0200, you wrote:
>>> Looks like the satelite images are handsstitched at google, these
>>> builings bend in all directions. No seems visible thou. There is
>>> defenitly a nice program helping there stitchers.
>> This one still is my favorite:
>> or http://tinyurl.com/mev3x
>> They probably have depth maps. That way they simply stitch on the
>> level and for the rendering give priority to the image data that is
>> closest to the camera (= the highest building).