8/27/2023 0 Comments Up to date google earth![]() There are plenty of other places to get access to some of the datasets I mentioned above-especially the free ones. ![]() If you’re new to this world, the first thing to know is that you’re almost certainly going to have to speak with a salesperson-there’s no such thing as simple, transparent pricing in the satellite and aerial imagery world (at least not yet).įor slightly lower resolution but higher frequency imagery:įor aerial imagery in the U.S. We run into this situation quite frequently at Azavea, so we’ve gotten to know many of the providers over the years. Lastly, there’s the difficult case of needing high resolution, recently collected imagery (especially if you plan to derive commercial works from that imagery and need access to the raw files). That imagery can also be downloaded from either Earth on AWS or the Earth Engine Catalog-you can also browse when the most recent imagery was collected for each state (and at what resolution) at this free online coverage map hosted by ESRI. In the U.S., the USDA’s National Agricultural Imagery Program (NAIP) captures 1m/pixel or better imagery for the entire contiguous United States once every other year. Make sure you familiarize yourself with the data before downloading a lot of it!įor high-resolution aerial imagery, your options are much more limited. A warning: these are very large files and the imagery itself is lower resolution than what you might expect to see on a typical web map.
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