Interesting. I’m interested with such tools too.
I ask students to do gps point collection from mobile (Cordova) and process them in pharo to detect if they enter known places. I wonder if a proper gps point class would be useful. I’d like to record also the precision. Cheers, Cedrick > Le 4 déc. 2018 à 11:15, Alistair Grant <[email protected]> a écrit : > > Hi Sven, > > Thanks. This is just for me playing around with my photo collection, > i.e. find all photos from a particular location, i.e. within a > specified distance of a point. Also maybe add GPS coordinates to some > photos. > > Thanks again, > Alistair > >> On Tue, 4 Dec 2018 at 11:04, Sven Van Caekenberghe <[email protected]> wrote: >> >> Hi Alistair, >> >>> On 4 Dec 2018, at 10:21, Alistair Grant <[email protected]> wrote: >>> >>> Hi, >>> >>> Does anyone know of a library for processing GPS coordinates? >>> >>> What I'm looking for are things like: >>> >>> - Parsing from and printing to various string formats (HMS, NESW, decimal) >>> - Distance between two points >>> - etc. >>> >>> Thanks, >>> Alistair >> >> We've got some elementary stuff based on WGS84 coordinates as points. For >> example, >> >> T3GeoTools distanceBetween: [email protected] and: [email protected]. >> T3GeoTools bearingFrom: [email protected] to: [email protected]. >> T3GeoTools destinationFrom: [email protected] bearing: 45 distance: 2500. >> T3GeoTools centroidOf: { [email protected]. [email protected]. >> [email protected]. [email protected]. [email protected]. [email protected] }. >> T3GeoTools is: [email protected] inside: { [email protected]. >> [email protected]. [email protected]. [email protected]. [email protected]. >> [email protected] }. >> >> This is not open source, but it is not rocket science either (just >> implementations of public algorithms). >> >> We have less need for special conversions, we do them case by case when they >> occur. >> >> What are you planning to do ? >> >> Sven >> >> >
