/**
* @description:
* @author chenshiqiang E-mail:csqwyyx@163.com
* @date 2014年5月4日 上午9:55:17
* @version 1.0
*/
package com.csq.thesceneryalong.utils.coords;
import java.util.Date;
public class Converter {
Converter me;
double casm_rr = 0;
double casm_t1 = 0;
double casm_t2 = 0;
double casm_x1 = 0;
double casm_y1 = 0;
double casm_x2 = 0;
double casm_y2 = 0;
double casm_f = 0;
public Converter() {
this.me = this;
this.casm_rr = 0;
this.casm_t1 = 0;
this.casm_t2 = 0;
this.casm_x1 = 0;
this.casm_y1 = 0;
this.casm_x2 = 0;
this.casm_y2 = 0;
this.casm_f = 0;
}
protected double yj_sin2(double x) {
double tt;
double ss;
double ff;
double s2;
int cc;
ff = 0;
if (x < 0) {
x = -x;
ff = 1;
}
cc = (int) (x / 6.28318530717959);
tt = x - cc * 6.28318530717959;
if (tt > 3.1415926535897932) {
tt = tt - 3.1415926535897932;
if (ff == 1) {
ff = 0;
} else if (ff == 0) {
ff = 1;
}
}
x = tt;
ss = x;
s2 = x;
tt = tt * tt;
s2 = s2 * tt;
ss = ss - s2 * 0.166666666666667;
s2 = s2 * tt;
ss = ss + s2 * 8.33333333333333E-03;
s2 = s2 * tt;
ss = ss - s2 * 1.98412698412698E-04;
s2 = s2 * tt;
ss = ss + s2 * 2.75573192239859E-06;
s2 = s2 * tt;
ss = ss - s2 * 2.50521083854417E-08;
if (ff == 1) {
ss = -ss;
}
return ss;
}
protected double Transform_yj5(double x, double y) {
double tt;
tt = 300 + 1 * x + 2 * y + 0.1 * x * x + 0.1 * x * y + 0.1
* Math.sqrt(Math.sqrt(x * x));
tt = tt
+ (20 * me.yj_sin2(18.849555921538764 * x) + 20 * me
.yj_sin2(6.283185307179588 * x)) * 0.6667;
tt = tt
+ (20 * me.yj_sin2(3.141592653589794 * x) + 40 * me
.yj_sin2(1.047197551196598 * x)) * 0.6667;
tt = tt
+ (150 * me.yj_sin2(0.2617993877991495 * x) + 300 * me
.yj_sin2(0.1047197551196598 * x)) * 0.6667;
return tt;
}
protected double Transform_yjy5(double x, double y) {
double tt;
tt = -100 + 2 * x + 3 * y + 0.2 * y * y + 0.1 * x * y + 0.2
* Math.sqrt(Math.sqrt(x * x));
tt = tt
+ (20 * me.yj_sin2(18.849555921538764 * x) + 20 * me
.yj_sin2(6.283185307179588 * x)) * 0.6667;
tt = tt
+ (20 * me.yj_sin2(3.141592653589794 * y) + 40 * me
.yj_sin2(1.047197551196598 * y)) * 0.6667;
tt = tt
+ (160 * me.yj_sin2(0.2617993877991495 * y) + 320 * me
.yj_sin2(0.1047197551196598 * y)) * 0.6667;
return tt;
}
protected double Transform_jy5(double x, double xx) {
double n;
double a;
double e;
a = 6378245;
e = 0.00669342;
n = Math.sqrt(1 - e * me.yj_sin2(x * 0.0174532925199433)
* me.yj_sin2(x * 0.0174532925199433));
n = (xx * 180) / (a / n * Math.cos(x * 0.0174532925199433) * 3.1415926);
return n;
}
protected double Transform_jyj5(double x, double yy) {
double m;
double a;
double e;
double mm;
a = 6378245;
e = 0.00669342;
mm = 1 - e * me.yj_sin2(x * 0.0174532925199433)
* me.yj_sin2(x * 0.0174532925199433);
m = (a * (1 - e)) / (mm * Math.sqrt(mm));
return (yy * 180) / (m * 3.1415926);
}
protected int r_yj() {
int casm_a = 314159269;
int casm_c = 453806245;
return 0;
}
protected double random_yj() {
double t;
double casm_a = 314159269;
double casm_c = 453806245;
me.casm_rr = casm_a * me.casm_rr + casm_c;
t = (int) (me.casm_rr / 2);
me.casm_rr = me.casm_rr - t * 2;
me.casm_rr = me.casm_rr / 2;
return (me.casm_rr);
}
protected void IniCasm(double w_time, double w_lng, double w_lat) {
double tt;
me.casm_t1 = w_time;
me.casm_t2 = w_time;
tt = (int) (w_time / 0.357);
me.casm_rr = w_time - tt * 0.357;
if (w_time == 0)
me.casm_rr = 0.3;
me.casm_x1 = w_lng;
me.casm_y1 = w_lat;
me.casm_x2 = w_lng;
me.casm_y2 = w_lat;
me.casm_f = 3;
}
protected CoordsPoint wgtochina_lb(int wg_flag, int wg_lng, int wg_lat,
int wg_heit, int wg_week, int wg_time) {
double x_add;
double y_add;
double h_add;
double x_l;
double y_l;
double casm_v;
double t1_t2;
double x1_x2;
double y1_y2;
CoordsPoint point = null;
if (wg_heit > 5000) {
return point;
}
x_l = wg_lng;
x_l = x_l / 3686400.0;
y_l = wg_lat;
y_l = y_l / 3686400.0;
if (x_l < 72.004) {
return point;
}
if (x_l > 137.8347) {
return point;
}
if (y_l < 0.8293) {
return point;
}
if (y_l > 55.8271) {
return point;
}
if (wg_flag == 0) {
me.IniCasm(wg_time, wg_lng, wg_lat);
point = new CoordsPoint();
point.setLatitude(wg_lng);
point.setLongitude(wg_lat);
return point;
}
me.casm_t2 = wg_time;
t1_t2 = (me.casm_t2 - me.casm_t1) / 1000.0;
if (t1_t2 <= 0) {
me.casm_t1 = me.casm_t2;
me.casm_f = me.casm_f + 1;
me.casm_x1 = me.casm_x2;
me.casm_f = me.casm_f + 1;
me.casm_y1 = me.casm_y2;
me.casm_f = me.casm_f + 1;
} else {
if (t1_t2 > 120) {
if (me.casm_f == 3) {
me.casm_f = 0;
me.casm_x2 = wg_lng;
me.casm_y2 = wg_lat;
x1_x2 = me.casm_x2 - me.casm_x1;
y1_y2 = me.casm_y2 - me.casm_y1;
casm_v = Math.sqrt(x1_x2 * x1_x2 + y1_y2 * y1_y2) / t1_t2;
if (casm_v > 3185) {
return (point);
}
}
me.casm_t1 = me.casm_t2;
me.casm_f = me.casm_f + 1;
me.casm_x1 = me.casm_x2;
me.casm_f = me.casm_f + 1;
me.casm_y1 = me.casm_y2;
me.casm_f = me.casm_f + 1;
}
}
x_add = me.Transform_yj5(x_l - 105, y_l - 35);
y_add = me.Transform_yjy5(x_l - 105, y_l - 35);
h_add = wg_heit;
x_add = x_add + h_add * 0.001
+ me.yj_sin2(wg_time * 0.0174532925199433) + me.random_yj();
y_add = y_add + h_add * 0.001
+ me.yj_sin2(wg_time * 0.0174532925199433) + me.random_yj();
point = new CoordsPoint();
point.setX(((x_l + me.Transform_jy5(y_l, x_add)) * 3686400));
point.setY(((y_l + me.Transform_jyj5(y_l, y_add)) * 3686400));
return point;
}
protected boolean isValid(long validdays) {
// long standand = 1253525356;
long h = 3600;
Date currentTime = new Date();
if (currentTime.getTime() / 1000 - 1253525356 >= validdays * 24 * h) {
return false;
} else {
return true;
}
}
public CoordsPoint getEncryCoordsPoint(double x, double y) {
CoordsPoint point = new CoordsPoint();
double x1, tempx;
double y1, tempy;
x1 = x * 3686400.0;
y1 = y * 3686400.0;
double gpsWeek = 0;
double gpsWeekTime = 0;
double gpsHeight = 0;
point = me.wgtochina_lb(1, (int) (x1), (int) (y1), (int) (gpsHeight),
(int) (gpsWeek), (int) (gpsWeekTime));
tempx = point.getX();
tempy = point.getY();
tempx = tempx / 3686400.0;
tempy = tempy / 3686400.0;
point = new CoordsPoint();
point.setX(tempx);
point.setY(tempy);
return point;
}
protected String getEncryCoord(String coord, boolean flag) {
if (flag) {
double x = Double.parseDouble(coord.split(",")[0]);
double y = Double.parseDouble(coord.split(",")[1]);
CoordsPoint point = new CoordsPoint();
double x1, tempx;
double y1, tempy;
x1 = x * 3686400.0;
y1 = y * 3686400.0;
int gpsWeek = 0;
int gpsWeekTime = 0;
int gpsHeight = 0;
point = me.wgtochina_lb(1, (int) (x1), (int) (y1),
(int) (gpsHeight), (int) (gpsWeek), (int) (gpsWeekTime));
tempx = point.getX();
tempy = point.getY();
tempx = tempx / 3686400.0;
tempy = tempy / 3686400.0;
return tempx + "," + tempy;
} else {
return "";
}
}
}