satellite-image

Do you know any free satellite imagery for GIS?

Hi! do you know any imagery that i can get satellite images of places for free?? i thought people who is related to GIS would know it? i searched but i could not find.. i have a terrain editor which uses GIS data for heightmap but i want to texture it with satellite image... i hope one of you know?? ...

Writing an image processing application for analysis of satellite imagery

I have to start work on application for analysis of satellite imagery to identify some man made structure. I would like to use C or Java for this. For satellite I am planning to use Google Maps data. I have three questions here: What is best source for GIS data besides Google Maps/earth. Best language to write such an application con...

What to do when GMap Satellite imagery is unavailable

Hello-- is it possible to programmatically detect with the google maps api (javascript, v2) when satellite imagery is unavailable at a certain zoom level? I am creating some maps automatically and setting them to a certain zoom level, but in a few cases there is no satellite imagery available at that level, in which case I'd like to auto...