1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
#include <stdio.h>
#include "ogr_xplane_geo_utils.h"
int main(int argc, char* argv[])
{
double latA = 49, lonA = 2;
double latB = 49.1, lonB = 2.1;
double latC, lonC;
double heading;
double distance;
heading = OGRXPlane_Track(latA, lonA, latB, lonB);
distance = OGRXPlane_Distance(latA, lonA, latB, lonB);
OGRXPlane_ExtendPosition(latA, lonA, distance, heading, &latC, &lonC);
printf("heading=%f, distance=%f\n", heading, distance);
printf("%.15f=%.15f, %.15f=%.15f\n", latB, latC, lonB, lonC);
heading = OGRXPlane_Track(latB, lonB, latA, lonA);
distance = OGRXPlane_Distance(latB, lonB, latA, lonA);
OGRXPlane_ExtendPosition(latB, lonB, distance, heading, &latC, &lonC);
printf("heading=%f, distance=%f\n", heading, distance);
printf("%.15f=%.15f, %.15f=%.15f\n", latA, latC, lonA, lonC);
return 0;
}
|
