FramUtil Namespace Reference

Functions
double	coordinateFromBinf (double value, const IAxis &axis)
	Transforms bin-fraction-coordinate into axis coordinate. More...
void	coordinatesFromBinf (double &x, double &y, const Frame &frame)
	Transforms x,y coordinate from bin-fraction-coordinates to Datafield's axes coordinates. More...
void	coordinatesToBinf (double &x, double &y, const Frame &frame)
	Transforms x,y coordinate from Datafield axes coordinates to bin-fraction-coordinates. More...
double	coordinateToBinf (double coordinate, const IAxis &axis)
	Transforms coordinate on axis into the bin-fraction-coordinate. More...

Function Documentation

coordinateFromBinf()

double FramUtil::coordinateFromBinf	(	double	value,
		const IAxis &	axis
	)

Transforms bin-fraction-coordinate into axis coordinate.

Definition at line 34 of file FrameUtil.cpp.

{
    int index = static_cast<int>(value);
 
    double result(0);
    if (index < 0) {
        Bin1D bin = axis.bin(0);
        result = bin.m_lower + value * bin.binSize();
    } else if (index >= static_cast<int>(axis.size())) {
        Bin1D bin = axis.bin(axis.size() - 1);
        result = bin.m_upper + (value - axis.size()) * bin.binSize();
    } else {
        Bin1D bin = axis.bin(static_cast<size_t>(index));
        result = bin.m_lower + (value - static_cast<double>(index)) * bin.binSize();
    }
 
    return result;
}

References IAxis::bin(), Bin1D::binSize(), Bin1D::m_lower, Bin1D::m_upper, and IAxis::size().

Referenced by coordinatesFromBinf().

Here is the call graph for this function:

coordinatesFromBinf()

void FramUtil::coordinatesFromBinf	(	double &	x,
		double &	y,
		const Frame &	frame
	)

Transforms x,y coordinate from bin-fraction-coordinates to Datafield's axes coordinates.

Definition at line 59 of file FrameUtil.cpp.

{
    x = coordinateFromBinf(x, data.xAxis());
    y = coordinateFromBinf(y, data.yAxis());
}

References coordinateFromBinf(), Frame::xAxis(), and Frame::yAxis().

Here is the call graph for this function:

coordinatesToBinf()

void FramUtil::coordinatesToBinf	(	double &	x,
		double &	y,
		const Frame &	frame
	)

Transforms x,y coordinate from Datafield axes coordinates to bin-fraction-coordinates.

Definition at line 53 of file FrameUtil.cpp.

{
    x = coordinateToBinf(x, data.xAxis());
    y = coordinateToBinf(y, data.yAxis());
}

References coordinateToBinf(), Frame::xAxis(), and Frame::yAxis().

Here is the call graph for this function:

coordinateToBinf()

double FramUtil::coordinateToBinf	(	double	coordinate,
		const IAxis &	axis
	)

Transforms coordinate on axis into the bin-fraction-coordinate.

Definition at line 26 of file FrameUtil.cpp.

{
    size_t index = axis.findClosestIndex(coordinate);
    Bin1D bin = axis.bin(index);
    double f = (coordinate - bin.m_lower) / bin.binSize();
    return static_cast<double>(index) + f;
}

References IAxis::bin(), Bin1D::binSize(), IAxis::findClosestIndex(), and Bin1D::m_lower.

Referenced by coordinatesToBinf().

Here is the call graph for this function: