public function init() { if (!$this->sphere) { $this->en = Common::pj_enfn($this->es); $this->m0 = Common::pj_mlfn($this->lat0, sin($this->lat0), cos($this->lat0), $this->en); } }
public function init() { /* Place parameters in static storage for common use ------------------------------------------------- */ #$this->R = 6370997.0; //Radius of earth if (!$this->sphere) { $this->en = Common::pj_enfn($this->es); } else { $this->n = 1.0; $this->m = 0.0; $this->es = 0; $this->C_y = sqrt(($this->m + 1.0) / $this->n); $this->C_x = $this->C_y / ($this->m + 1.0); } }