gps模块的处理

系列文章目录

gps出来的数据并不能直接使用,需要通过一点点转换后才能

提示:写完文章后,目录可以自动生成,如何生成可参考右边的帮助文档

#include 
#include 
#include 
char lon_str[] = "11329.467276";
char lat_str[] = "2327.041999";


double longitudeToOnenetFormat()
{
  double lon_temp = 0;
  long lon_Onenet = 0;
  int dd_int = 0;
  long mm_int = 0;
  double lon_Onenet_double = 0;

  lon_temp = atof(lon_str);
  lon_Onenet =lon_temp*100000;  //转换为整数

  dd_int = lon_Onenet/10000000; //取出dd

  mm_int = lon_Onenet%10000000;  //取出MM部分


  lon_Onenet_double = dd_int + (double)mm_int/60/100000;//换算为Onenet格式
  return  lon_Onenet_double;
}

double latitudeToOnenetFormat()
{
  double lat_temp = 0;
  long lat_Onenet = 0;
  int dd_int = 0;
  long mm_int = 0;

  double lat_Onenet_double = 0;

  lat_temp = atof(lat_str);
  lat_Onenet =lat_temp*100000;  //转换为整数

  dd_int = lat_Onenet/10000000; //取出dd

  mm_int = lat_Onenet%10000000;  //取出MM部分

  lat_Onenet_double = dd_int + (double)mm_int/60/100000;//换算为Onenet格式
  return  lat_Onenet_double;
}

int main()
{
    printf("%f\n",longitudeToOnenetFormat());
    printf("%f\n",latitudeToOnenetFormat());
    return 0;
}
#include
#include
#include
#define PI 3.1415926535897932384626
double* BD09ToWGS84(double, double);
double* WGS84ToBD09(double, double);
double* BD09ToGCJ02(double, double);
double* GCJ02ToBD09(double, double);
double* GCJ02ToWGS84(double, double);
double* WGS84ToGCJ02(double, double);
 
int main(){
	double lon = 116.403988;
	double lat = 39.914266;
	double *p = WGS84ToBD09(lon, lat);
	printf("%.10f, %.10f", p[0], p[1]);
}
// (BD09 <=> WGS84) base on (BD09 <=> GCJ02) and (WGS84 <=> GCJ02)
double* BD09ToWGS84(double lon_BD, double lat_BD){
	double *GCJ = BD09ToGCJ02(lon_BD, lat_BD);
	return GCJ02ToWGS84(GCJ[0], GCJ[1]);
} 
 
double* WGS84ToBD09(double lon_WGS, double lat_WGS){
	double *GCJ = WGS84ToGCJ02(lon_WGS, lat_WGS);
	return GCJ02ToBD09(GCJ[0], GCJ[1]);
} 
 
// BD09 <=> GCJ02
double baiduFactor = (PI * 3000.0) / 180.0;
 
double* BD09ToGCJ02(double lon_BD, double lat_BD){
	double *GCJ = (double *)malloc(2*sizeof(double));
	double x = lon_BD - 0.0065;
	double y = lat_BD - 0.006;
	double z = sqrt(x * x + y * y) - 0.00002 * sin(y * baiduFactor);
	double theta = atan2(y, x) - 0.000003 * cos(x * baiduFactor);
	GCJ[0] = z * cos(theta);
	GCJ[1] = z * sin(theta);
	return GCJ;
}
 
double* GCJ02ToBD09(double lon_GCJ, double lat_GCJ){
	double *BD = (double *)malloc(2*sizeof(double));
	double z = sqrt(lon_GCJ * lon_GCJ + lat_GCJ * lat_GCJ) + 0.00002 * sin(lat_GCJ * baiduFactor);
	double theta = atan2(lat_GCJ, lon_GCJ) + 0.000003 * cos(lon_GCJ * baiduFactor);
	BD[0] = z * cos(theta) + 0.0065;
	BD[1] = z * sin(theta) + 0.006;
	return BD;
} 
 
// WGS84 <=> GCJ02
double a = 6378245;
double ee = 0.006693421622965823;
 
// roughly check whether coordinates are in China.
int isInChinaBbox(double lon, double lat){
  	return lon >= 72.004 && lon <= 137.8347 && lat >= 0.8293 && lat <= 55.8271;
}
 
double transformLat(double x, double y){
	double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * sqrt(fabs(x));
	ret += ((20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0) / 3.0;
	ret += ((20.0 * sin(y * PI) + 40.0 * sin((y / 3.0) * PI)) * 2.0) / 3.0;
	ret += ((160.0 * sin((y / 12.0) * PI) + 320.0 * sin((y * PI) / 30.0)) * 2.0) / 3.0;
	return ret;
}
 
double transformLon(double x, double y){
	double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * sqrt(fabs(x));
	ret += ((20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0) / 3.0;
	ret += ((20.0 * sin(x * PI) + 40.0 * sin((x / 3.0) * PI)) * 2.0) / 3.0;
	ret += ((150.0 * sin((x / 12.0) * PI) + 300.0 * sin((x / 30.0) * PI)) * 2.0) / 3.0;
	return ret;
}
 
double* delta(double lon, double lat){
	double *d = (double *)malloc(2*sizeof(double));
	double dLon = transformLon(lon - 105.0, lat - 35.0);
    double dLat = transformLat(lon - 105.0, lat - 35.0);
	
	double radLat = (lat / 180.0) * PI;
	double magic = sin(radLat);
	
	magic = 1.0 - ee * magic * magic;
	
	double sqrtMagic = sqrt(magic);
	d[0] = (dLon * 180.0) / (a / sqrtMagic * cos(radLat) * PI);
	d[1] = (dLat * 180.0) / ((a * (1.0 - ee)) / (magic * sqrtMagic) * PI);
	return d;
}
 
double* WGS84ToGCJ02(double lon_WGS, double lat_WGS){
	double *GCJ = (double *)malloc(2*sizeof(double));
	if (!isInChinaBbox(lon_WGS, lat_WGS)){
		GCJ[0] = lon_WGS;
		GCJ[1] = lat_WGS;
		return GCJ;
	} 
	double *d = delta(lon_WGS, lat_WGS);
	GCJ[0] = lon_WGS + d[0];
	GCJ[1] = lat_WGS + d[1];
	return GCJ;
}
 
double* GCJ02ToWGS84(double lon_GCJ, double lat_GCJ) {
	double *WGS = (double *)malloc(2*sizeof(double));
	if (!isInChinaBbox(lon_GCJ, lat_GCJ)){
		WGS[0] = lon_GCJ;
		WGS[1] = lat_GCJ;
		return WGS;
	} 
	WGS[0] = lon_GCJ; WGS[1] = lat_GCJ;
	double *temp = WGS84ToGCJ02(WGS[0], WGS[1]);
	double dx = temp[0] - lon_GCJ;
	double dy = temp[1] - lat_GCJ;
	while (fabs(dx) > 1e-6 || fabs(dy) > 1e-6) {
		WGS[0] -= dx;
		WGS[1] -= dy;
		temp = WGS84ToGCJ02(WGS[0], WGS[1]);
		dx = temp[0] - lon_GCJ;
		dy = temp[1] - lat_GCJ;
	}
	return WGS;
}

坐标转换链接: link

前言

提示:这里可以添加本文要记录的大概内容:

例如:随着人工智能的不断发展,机器学习这门技术也越来越重要,很多人都开启了学习机器学习,本文就介绍了机器学习的基础内容。


`
坐标查询网站

http://api.map.baidu.com/lbsapi/getpoint/index.html

整体代码

#include
#include
#include
#define PI 3.1415926535897932384626
double* BD09ToWGS84(double, double);
double* WGS84ToBD09(double, double);
double* BD09ToGCJ02(double, double);
double* GCJ02ToBD09(double, double);
double* GCJ02ToWGS84(double, double);
double* WGS84ToGCJ02(double, double);






double lon ;
double lat ;




#include 
#include 
#include 
char lon_str[] = "12154.16691545";
char lat_str[] = "3052.37240819";


double longitudeToOnenetFormat()
{
  double lon_temp = 0;
  long lon_Onenet = 0;
  int dd_int = 0;
  long mm_int = 0;
  double lon_Onenet_double = 0;

  lon_temp = atof(lon_str);
  lon_Onenet =lon_temp*100000;  //转换为整数

  dd_int = lon_Onenet/10000000; //取出dd

  mm_int = lon_Onenet%10000000;  //取出MM部分


  lon_Onenet_double = dd_int + (double)mm_int/60/100000;//换算为Onenet格式
  return  lon_Onenet_double;
}

double latitudeToOnenetFormat()
{
  double lat_temp = 0;
  long lat_Onenet = 0;
  int dd_int = 0;
  long mm_int = 0;

  double lat_Onenet_double = 0;

  lat_temp = atof(lat_str);
  lat_Onenet =lat_temp*100000;  //转换为整数

  dd_int = lat_Onenet/10000000; //取出dd

  mm_int = lat_Onenet%10000000;  //取出MM部分

  lat_Onenet_double = dd_int + (double)mm_int/60/100000;//换算为Onenet格式
  return  lat_Onenet_double;
}














int main(){

     lon=longitudeToOnenetFormat() ;
    lat =latitudeToOnenetFormat() ;

	double *p = WGS84ToBD09(lon, lat);
	printf("%.10f, %.10f", p[0], p[1]);
}
// (BD09 <=> WGS84) base on (BD09 <=> GCJ02) and (WGS84 <=> GCJ02)
double* BD09ToWGS84(double lon_BD, double lat_BD){
	double *GCJ = BD09ToGCJ02(lon_BD, lat_BD);
	return GCJ02ToWGS84(GCJ[0], GCJ[1]);
}

double* WGS84ToBD09(double lon_WGS, double lat_WGS){
	double *GCJ = WGS84ToGCJ02(lon_WGS, lat_WGS);
	return GCJ02ToBD09(GCJ[0], GCJ[1]);
}

// BD09 <=> GCJ02
double baiduFactor = (PI * 3000.0) / 180.0;

double* BD09ToGCJ02(double lon_BD, double lat_BD){
	double *GCJ = (double *)malloc(2*sizeof(double));
	double x = lon_BD - 0.0065;
	double y = lat_BD - 0.006;
	double z = sqrt(x * x + y * y) - 0.00002 * sin(y * baiduFactor);
	double theta = atan2(y, x) - 0.000003 * cos(x * baiduFactor);
	GCJ[0] = z * cos(theta);
	GCJ[1] = z * sin(theta);
	return GCJ;
}

double* GCJ02ToBD09(double lon_GCJ, double lat_GCJ){
	double *BD = (double *)malloc(2*sizeof(double));
	double z = sqrt(lon_GCJ * lon_GCJ + lat_GCJ * lat_GCJ) + 0.00002 * sin(lat_GCJ * baiduFactor);
	double theta = atan2(lat_GCJ, lon_GCJ) + 0.000003 * cos(lon_GCJ * baiduFactor);
	BD[0] = z * cos(theta) + 0.0065;
	BD[1] = z * sin(theta) + 0.006;
	return BD;
}

// WGS84 <=> GCJ02
double a = 6378245;
double ee = 0.006693421622965823;

// roughly check whether coordinates are in China.
int isInChinaBbox(double lon, double lat){
  	return lon >= 72.004 && lon <= 137.8347 && lat >= 0.8293 && lat <= 55.8271;
}

double transformLat(double x, double y){
	double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * sqrt(fabs(x));
	ret += ((20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0) / 3.0;
	ret += ((20.0 * sin(y * PI) + 40.0 * sin((y / 3.0) * PI)) * 2.0) / 3.0;
	ret += ((160.0 * sin((y / 12.0) * PI) + 320.0 * sin((y * PI) / 30.0)) * 2.0) / 3.0;
	return ret;
}

double transformLon(double x, double y){
	double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * sqrt(fabs(x));
	ret += ((20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0) / 3.0;
	ret += ((20.0 * sin(x * PI) + 40.0 * sin((x / 3.0) * PI)) * 2.0) / 3.0;
	ret += ((150.0 * sin((x / 12.0) * PI) + 300.0 * sin((x / 30.0) * PI)) * 2.0) / 3.0;
	return ret;
}

double* delta(double lon, double lat){
	double *d = (double *)malloc(2*sizeof(double));
	double dLon = transformLon(lon - 105.0, lat - 35.0);
    double dLat = transformLat(lon - 105.0, lat - 35.0);

	double radLat = (lat / 180.0) * PI;
	double magic = sin(radLat);

	magic = 1.0 - ee * magic * magic;

	double sqrtMagic = sqrt(magic);
	d[0] = (dLon * 180.0) / (a / sqrtMagic * cos(radLat) * PI);
	d[1] = (dLat * 180.0) / ((a * (1.0 - ee)) / (magic * sqrtMagic) * PI);
	return d;
}

double* WGS84ToGCJ02(double lon_WGS, double lat_WGS){
	double *GCJ = (double *)malloc(2*sizeof(double));
	if (!isInChinaBbox(lon_WGS, lat_WGS)){
		GCJ[0] = lon_WGS;
		GCJ[1] = lat_WGS;
		return GCJ;
	}
	double *d = delta(lon_WGS, lat_WGS);
	GCJ[0] = lon_WGS + d[0];
	GCJ[1] = lat_WGS + d[1];
	return GCJ;
}

double* GCJ02ToWGS84(double lon_GCJ, double lat_GCJ) {
	double *WGS = (double *)malloc(2*sizeof(double));
	if (!isInChinaBbox(lon_GCJ, lat_GCJ)){
		WGS[0] = lon_GCJ;
		WGS[1] = lat_GCJ;
		return WGS;
	}
	WGS[0] = lon_GCJ; WGS[1] = lat_GCJ;
	double *temp = WGS84ToGCJ02(WGS[0], WGS[1]);
	double dx = temp[0] - lon_GCJ;
	double dy = temp[1] - lat_GCJ;
	while (fabs(dx) > 1e-6 || fabs(dy) > 1e-6) {
		WGS[0] -= dx;
		WGS[1] -= dy;
		temp = WGS84ToGCJ02(WGS[0], WGS[1]);
		dx = temp[0] - lon_GCJ;
		dy = temp[1] - lat_GCJ;
	}
	return WGS;
}

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