49       std::vector<double> 
LowPass(std::vector<double> invec, 
int boxsize);
    50       std::vector<double> HighPass(std::vector<double> invec1, std::vector<double> invec2);
    51       std::vector<double> HighPass(std::vector<double> pdInVector1, std::vector<double> pdInVector2, 
    52              std::vector<int> piValidPntsVector, 
int piMaxPoints, 
const QString & psMode=
"SUBTRACT");
 This class is used to perform filter operations on vectors. 
 
~VecFilter()
Destroys the VecFilter object. 
 
VecFilter()
Constructs a VecFilter object. 
 
Namespace for ISIS/Bullet specific routines. 
 
std::vector< double > LowPass(std::vector< double > invec, int boxsize)
Perform a lowpass filter on an input vector.