Method filter

LASlib/src/lasfilter.cpp:578–578

  inline const CHAR* name() const { return "keep_second_last"; };
  inline I32 get_command(CHAR* string) const { return sprintf(string, "-%s ", name()); };
  inline BOOL filter(const LASpoint* point) { return ((point->number_of_returns <= 1) || (point->return_number != (point->number_of_returns - 1))); };
};

class LAScriterionDropFirstReturn : public LAScriterion