TimeWindow.h

#ifndef _TIMEWINDOW_H_
#define _TIMEWINDOW_H_
namespace mspass::algorithms {
class TimeWindow {
public:
  double start;
  double end;
  TimeWindow() {
    start = 0.0;
    end = 1.0e99;
  };
  TimeWindow(const double ts, const double te) {
    start = ts;
    end = te;
  };
  TimeWindow(const TimeWindow &parent) {
    start = parent.start;
    end = parent.end;
  }
  TimeWindow &operator=(const TimeWindow &parent) {
    if (&parent != this) {
      start = parent.start;
      end = parent.end;
    }
    return *this;
  }
  TimeWindow shift(const double tshift) const {
    TimeWindow newwindow(*this);
    newwindow.start += tshift;
    newwindow.end += tshift;
    return (newwindow);
  }
  double length() { return (end - start); };
};
 
/* This strange looking function is a C++ function object.
// It is used in the STL container called a set used for gaps below.
// This function is used as the comparison function for ordering
// the elements of the set.  It makes TimeWindows indexed by
// intervals similar to thw way Datascope uses time:endtime
// Be aware, however, that for the same reason as datascope overlapping
// time windows will cause ambiguity in indexing times by this
// method.
*/
class TimeWindowCmp {
public:
  bool operator()(const TimeWindow ti1, const TimeWindow ti2) const {
    return (ti1.end < ti2.start);
  };
};
} // namespace mspass::algorithms
#endif