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updated 4 months ago

islatlon(lat,lon) by Chad Greene

Boolean check to see if input arrays likely represent geo coordinates. (lat, lon, geo coordinates)


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updated 9 months ago

gdistm by Chad Greene

Get distances in any length unit from mouse clicks on a map (mapping, length, great circle)

gdistm documentation


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updated 11 months ago

Distance calculation using Haversine formula by Josiah Renfree

Compute the distance between two locations using the Haversine formula (haversine, latitude, longitude)

haversine(loc1, loc2)

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updated 1 year ago

Zip Code Latitude Longitude City State County by Sami

Distance between two zip codes (zip, zip code, distance)


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updated 2 years ago

Vectorized Solar Azimuth and Elevation Estimation by Darin Koblick

Darin Koblick (view profile)

Predict the topocentric solar position defined by geodetic lat, lon, Alt, and a universal time (aerospace, alt, altitude)



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updated 3 years ago

IATA code to longitude and latitude by Tom K

Tom K (view profile)

A function enabling the easy extraction of longitude and latitude data from an IATA code. (iata, aerospace, data import)


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updated almost 4 years ago

Convert UTC to Solar Apparent Time by Darin Koblick

Darin Koblick (view profile)

Convert a time given in UTC to Solar Apparent or Solar Mean Time (solar mean time, solar apparent time, utc)



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updated almost 4 years ago

Shaded Earth Map by Jonathan Sullivan

Draws a path of the Earth with realistic colors. (mapping, maps, earth)


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updated almost 4 years ago

Correctly proportion a lat/lon plot by Jonathan Sullivan

Correctly proportions a lat/lon plot based on a spherical Earth assumption (latitude, longitude, proportions)


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updated almost 5 years ago

Lunar Azimuth and Altitude Estimation Algorithm by Darin Koblick

Darin Koblick (view profile)

Predict the Lunar Azimuth and Altitude within +/- .2 deg of any lat and lon for a given UTC (aerospace, astronomy, moon)


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