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Projekte – Mein Wiki

Projekte

Aus Mein Wiki

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Zeile 4: Zeile 4:
* http://opengeodb.org/wiki/OpenGeoDB_Downloads
* http://opengeodb.org/wiki/OpenGeoDB_Downloads
* http://www.php.de/beitragsarchiv/22418-umkreissuche-mit-postleitzahlen.html
* http://www.php.de/beitragsarchiv/22418-umkreissuche-mit-postleitzahlen.html
 +
 +
* http://www.togis.com/address-geodecoder/
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* http://www.geotag.de/geokoordinaten.html
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 +
* APIs
 +
** http://www.geotag.de/geocoding.html
 +
 +
 +
* Entfernungsberechnung:
 +
** Haversine-Formel.
 +
 +
dlon = B_lon - A_lon
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dlat = B_lat - A_lat
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a = (sin(dlat/2))^2 + cos(A_lat) * cos(B_lat) * (sin(dlon/2))^2
 +
c = 2 * arcsin(min(1,sqrt(a)))
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d = R * c
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 +
(R = Erdradius)
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 +
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* http://www.kompf.de/gps/distcalc.html
 +
Um die Entfernung in Kilometern zu bekommen, muss man noch den Arkuskosinus bilden und das Ergebnis mit dem Erdradius multiplizieren:
 +
dist = 6378.388 * acos(sin(lat1) * sin(lat2) + cos(lat1) * cos(lat2) * cos(lon2 - lon1))
 +
mit dist: Entfernung in km
 +
 +
= Singlebörsen / Partnerbörse =
 +
== Ideen / Vorbilder ==
 +
* KissNoFrog http://www.kissnofrog.de
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* FlirtFair http://ext.flirtfair.net/002/index.php?pid=DE00225FN&sub=18476&spub_id=1j
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* HaltMich.de http://www.haltmich.de
 +
* OnlineGlück - http://www.onlineGlueck.de
 +
 +
= Fusca RefactorPHP =
 +
[[Fusca RefactorPHP]]

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