Navigation method, navigation system and map data downloading metnod for navigation

A navigation method includes steps of calculating a first coordinate of a first position; taking the first coordinate to be a center of a predetermined range and calculating a first map data within the predetermined range according to a zoom scale of a map scale; downloading the first map data from...

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Bibliographische Detailangaben
Hauptverfasser:	LIANG, CHIA MING, HUANG, CHI FA, CHEN, LIAN CHIH, KUO, TSAI YUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	A navigation method includes steps of calculating a first coordinate of a first position; taking the first coordinate to be a center of a predetermined range and calculating a first map data within the predetermined range according to a zoom scale of a map scale; downloading the first map data from a map server; storing the first map data; using the first map data to render a first graphic user interface map corresponding to the first coordinate; and displaying the first graphic user interface map.