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2014/10/16 ¤W¤È 08:12:16
android Programming Glossary: deg2radHow to calculate distance between two locations using their longitude and latitude value http://stackoverflow.com/questions/6981916/how-to-calculate-distance-between-two-locations-using-their-longitude-and-latitu double lon2 double theta lon1 lon2 double dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad.. theta lon1 lon2 double dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad lat2 Math.cos deg2rad.. dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad lat2 Math.cos deg2rad theta dist Math.acos..
Rotating Image on A canvas in android http://stackoverflow.com/questions/8712652/rotating-image-on-a-canvas-in-android true float startX left float centerwidth Math.cos deg2rad angle width 3.0 float startY top float centerheight Math.sin.. width 3.0 float startY top float centerheight Math.sin deg2rad angle height 3.0 Path path new Path path.moveTo startX startY.. startX startY path.lineTo left float centerwidth Math.cos deg2rad angle 140 width 4.0 top float centerheight Math.sin deg2rad..
How to calculate distance between two locations using their longitude and latitude value http://stackoverflow.com/questions/6981916/how-to-calculate-distance-between-two-locations-using-their-longitude-and-latitu private double distance double lat1 double lon1 double lat2 double lon2 double theta lon1 lon2 double dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad lat2 Math.cos deg2rad theta dist Math.acos dist dist rad2deg.. double lat1 double lon1 double lat2 double lon2 double theta lon1 lon2 double dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad lat2 Math.cos deg2rad theta dist Math.acos dist dist rad2deg dist dist dist.. lon1 double lat2 double lon2 double theta lon1 lon2 double dist Math.sin deg2rad lat1 Math.sin deg2rad lat2 Math.cos deg2rad lat1 Math.cos deg2rad lat2 Math.cos deg2rad theta dist Math.acos dist dist rad2deg dist dist dist 60 1.1515 return dist..
Rotating Image on A canvas in android http://stackoverflow.com/questions/8712652/rotating-image-on-a-canvas-in-android Paint p.setColor color p.setStyle Paint.Style.FILL p.setAntiAlias true float startX left float centerwidth Math.cos deg2rad angle width 3.0 float startY top float centerheight Math.sin deg2rad angle height 3.0 Path path new Path path.moveTo startX.. true float startX left float centerwidth Math.cos deg2rad angle width 3.0 float startY top float centerheight Math.sin deg2rad angle height 3.0 Path path new Path path.moveTo startX startY path.lineTo left float centerwidth Math.cos deg2rad angle.. deg2rad angle height 3.0 Path path new Path path.moveTo startX startY path.lineTo left float centerwidth Math.cos deg2rad angle 140 width 4.0 top float centerheight Math.sin deg2rad angle 140 height 4.0 path.lineTo left float centerwidth top..
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