MDRandGenerator Class Reference

#include <metadata_generator.h>

Inheritance diagram for MDRandGenerator:

Collaboration diagram for MDRandGenerator:

Public Member Functions
	MDRandGenerator (double op1, double op2, const String &mode, double op3=0.)
void	fillValue (MetaData &md, size_t objId)
Public Member Functions inherited from MDValueGenerator
virtual	~MDValueGenerator ()
void	fill (MetaData &md)

Protected Member Functions
double	getRandValue ()

Protected Attributes
double	op1
double	op2
double	op3
RandMode	mode

Additional Inherited Members
Public Attributes inherited from MDValueGenerator
MDLabel	label

Detailed Description

MDGenerator to generate random values on columns

Definition at line 51 of file metadata_generator.h.

Constructor & Destructor Documentation

MDRandGenerator()

MDRandGenerator::MDRandGenerator	(	double	op1,
		double	op2,
		const String &	mode,
		double	op3 = 0.
	)

Definition at line 44 of file metadata_generator.cpp.

                                                                                       {
    static bool randomized = false;

    if (!randomized)//initialize random seed just once
    {
        randomize_random_generator();
        randomized = true;
    }
    this->op1 = op1;
    this->op2 = op2;
    this->op3 = op3;
    if (mode == "uniform")
        this->mode = GTOR_UNIFORM;
    else if (mode == "gaussian")
        this->mode = GTOR_GAUSSIAN;
    else if (mode == "student")
        this->mode = GTOR_STUDENT;
    else
        REPORT_ERROR(ERR_PARAM_INCORRECT, formatString("Unknown random type '%s'", mode.c_str()));

}

Member Function Documentation

fillValue()

void MDRandGenerator::fillValue ( MetaData &  md, size_t  objId  )

virtual

Implements MDValueGenerator.

Definition at line 66 of file metadata_generator.cpp.

                                                          {
    double aux = getRandValue();
    md.setValue(label, aux, objId);
}

getRandValue()

double MDRandGenerator::getRandValue ( )

inlineprotected

Definition at line 30 of file metadata_generator.cpp.

                                            {
    switch (mode)
    {
    case GTOR_UNIFORM:
        return rnd_unif(op1, op2);
    case GTOR_GAUSSIAN:
        return rnd_gaus(op1, op2);
    case GTOR_STUDENT:
        return rnd_student_t(op3, op1, op2);
    default:
        REPORT_ERROR(ERR_ARG_INCORRECT,"Unknown random type");
    }
}

Member Data Documentation

mode

RandMode MDRandGenerator::mode

protected

Definition at line 54 of file metadata_generator.h.

op1

double MDRandGenerator::op1

protected

Definition at line 53 of file metadata_generator.h.

op2

double MDRandGenerator::op2

protected

Definition at line 53 of file metadata_generator.h.

op3

double MDRandGenerator::op3

protected

Definition at line 53 of file metadata_generator.h.

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The documentation for this class was generated from the following files:

• xmippCore/core/metadata_generator.h
• xmippCore/core/metadata_generator.cpp