JSDDateTime::JSDDateTime(MJDDateTime& rhs)
{
CivilDateTime referenceCiv;
/* Initialisation of the MJD reference day (01/01/2000, 0h00) */
referenceCiv.set_year(2000);
referenceCiv.set_month(01);
referenceCiv.set_day(01);
referenceCiv.set_second(0);
referenceCiv.set_decimal(0.0);
/* JSD day of the ref. MJD date */
JSDDateTime referenceJSD(referenceCiv);
/* JSD day computation */
JulianDate JD((double) rhs.get_day());
_day0hTU = referenceJSD.get_day0hTU() + JD;
_second = referenceJSD.get_second() + (double) rhs.get_second();
_decimal = referenceJSD.get_decimal() + 0.000001 * (double) rhs.get_microsecond();
this->NormDate();
}
bool ossimCosmoSkymedModel::UtcDateTimeStringToCivilDate(const std::string &utcString, CivilDateTime &outputDate) {
// conversion :
// try with date format yyyymmdd
if (utcString.size() < 8) return false ;
const char* stringUTCDate = utcString.c_str() ;
char year_str[5];
for (int i=0;i<4;i++)
{
year_str[i] = stringUTCDate[i];
}
year_str[4] = '\0';
char month_str[3];
for (int i=4;i<6;i++)
{
month_str[i-4] = stringUTCDate[i];
}
month_str[2] = '\0';
char day_str[3];
for (int i=6;i<8;i++)
{
day_str[i-6] = stringUTCDate[i];
}
day_str[2] = '\0';
outputDate.set_year(atoi(year_str));
outputDate.set_month(atoi(month_str));
outputDate.set_day(atoi(day_str));
outputDate.set_second(0);
outputDate.set_decimal(0.0);
return true ;
}
bool ossim::iso8601TimeStringToCivilDate(const std::string& dateString,
CivilDateTime& outputDate)
{
bool result = true;
ossimLocalTm otm;
if ( otm.setIso8601(dateString) )
{
outputDate.set_year( otm.getYear() );
outputDate.set_month( otm.getMonth() );
outputDate.set_day( otm.getDay() );
int second = otm.tm_hour * 3600 + otm.tm_min * 60 + otm.tm_sec;
outputDate.set_second( second );
outputDate.set_decimal( otm.getFractionalSecond() );
}
else
{
result = false;
}
return result;
}