php Programming Glossary: m_pi

http://stackoverflow.com/questions/14894049/php-gd-how-to-draw-text-over-a-line

delta_y y2 y1 texangle rad2deg atan2 delta_y delta_x 180 M_PI 360 eof finding the line angle imageline im x1 y1 x2 y2 txtcol.. Try replacing texangle rad2deg atan2 delta_y delta_x 180 M_PI 360 With texangle atan2 delta_y delta_x 180 M_PI 360 Output.. 180 M_PI 360 With texangle atan2 delta_y delta_x 180 M_PI 360 Output with your values Output with other values share..

php mysql compare long and lat, return ones under 10 miles

http://stackoverflow.com/questions/2296824/php-mysql-compare-long-and-lat-return-ones-under-10-miles

a rounded value function distance lat1 lng1 lat2 lng2 pi80 M_PI 180 lat1 pi80 lng1 pi80 lat2 pi80 lng2 pi80 r 6372.797 mean..

Geo-Search (Distance) in PHP/MySQL (Performance)

http://stackoverflow.com/questions/5236921/geo-search-distance-in-php-mysql-performance

cosU1 cos U1 sinU2 sin U2 cosU2 cos U2 lambda L lambdaP 2 M_PI iterLimit 20 while abs lambda lambdaP 1e 12 iterLimit 0 sinLambda..

Great Circle Distance question

http://stackoverflow.com/questions/772878/great-circle-distance-question

#define DegreesPerKm 1.0 KmPerDegree #define PI M_PI #define TwoPI M_PI M_PI #define HalfPI M_PI_2 #define RadiansPerDegree.. 1.0 KmPerDegree #define PI M_PI #define TwoPI M_PI M_PI #define HalfPI M_PI_2 #define RadiansPerDegree PI 180.0.. 1.0 KmPerDegree #define PI M_PI #define TwoPI M_PI M_PI #define HalfPI M_PI_2 #define RadiansPerDegree PI 180.0 #define..