2:00 on the planet is given the latitude and longitude, I can get two points away from the spherical. The small bit simple procedures.

Packet : 9927439liyingnan_5.rar filelist
球面距离_C\direction.cpp
球面距离_C\direction.dsp
球面距离_C\direction.dsw
球面距离_C\direction.ncb
球面距离_C\direction.opt
球面距离_C\direction.plg
球面距离_C\Debug
球面距离_C

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