I bought a Raspberry Pi, which introduced me to Mathematica, and I'm just diving in. I'm guessing my question is really a basic syntax question, but I don't know how to unravel it.
I thought I would play with the airport data to start with. I understand how to use GeoNearest to find nearby airports. But I would like to filter out heliports. The easiest way to do that is look for runway lengths greater than some value, lets say 2000 ft.
So...how can I get a list of Airport entities with a property of LongestRunwayLength>=2000 ft, and feed that list into the GeoNearest function to find the 5 closest such aiports to wherever specified?