30#ifndef OGR_GEO_UTILS_H_INCLUDED
31#define OGR_GEO_UTILS_H_INCLUDED
42double OGR_GreatCircle_Distance(
double dfLatA_deg,
double dfLonA_deg,
43 double dfLatB_deg,
double dfLonB_deg);
45double OGR_GreatCircle_InitialHeading(
double dfLatA_deg,
double dfLonA_deg,
46 double dfLatB_deg,
double dfLonB_deg);
49int OGR_GreatCircle_ExtendPosition(
double dfLatA_deg,
double dfLonA_deg,
50 double dfDistance,
double dfHeadingInA,
51 double* pdfLatB_deg,
double* pdfLonB_deg);