#include <qxrdrasterdata.h>

Inheritance diagram for QxrdRasterData:

Collaboration diagram for QxrdRasterData:

Public Member Functions
	QxrdRasterData (QcepImageDataBasePtr img=QcepImageDataBasePtr(), int interp=1, QwtInterval range=QwtInterval(0, 40000))

double	value (double x, double y) const

QwtInterval	range () const

void	setDisplayedRange (double min, double max)

double	minValue ()

double	maxValue ()

void	setInterpolate (int interp)

int	interpolate ()

QwtInterval	percentileRange (double lowpct, double highpct)

int	width () const

int	height () const

const QcepImageDataBasePtr	data () const

int	interp () const

QPointF	optimizePeakPosition (QPointF pt) const

Private Attributes
QcepImageDataBasePtr	m_Data

int	m_NRows

int	m_NCols

QwtInterval	m_Range

int	m_Interpolate

Detailed Description

Definition at line 10 of file qxrdrasterdata.h.

Constructor & Destructor Documentation

QxrdRasterData::QxrdRasterData	(	QcepImageDataBasePtr	img = `QcepImageDataBasePtr()`,
		int	interp = `1`,
		QwtInterval	range = `QwtInterval(0,40000)`
	)

Definition at line 6 of file qxrdrasterdata.cpp.

References DEBUG_IMAGES, g_Application, HEXARG, m_NCols, m_NRows, QcepApplication::printMessage(), and qcepDebug().

   : QwtRasterData(),
     m_Data(img),
     m_NRows((img ? img->get_Height(): 0)),
     m_NCols((img ? img->get_Width() : 0)),
     m_Range(range),
     m_Interpolate(interp)
 {
   if (qcepDebug(DEBUG_IMAGES)) {
     if (g_Application) {
       g_Application->printMessage(QObject::tr("QxrdRasterData::QxrdRasterData(%1,%2) [%3]")
                         .HEXARG(img.data()).arg(interp).HEXARG(this));
     }
   }
 
   setInterval(Qt::XAxis, QwtInterval(0.0, m_NCols));
   setInterval(Qt::YAxis, QwtInterval(0.0, m_NRows));
   setInterval(Qt::ZAxis, range);
 }

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Member Function Documentation

const QcepImageDataBasePtr QxrdRasterData::data ( ) const

inline

Definition at line 33 of file qxrdrasterdata.h.

References m_Data.

33 { return m_Data; }

QxrdRasterData::m_Data

QcepImageDataBasePtr m_Data

Definition: qxrdrasterdata.h:39

int QxrdRasterData::height ( ) const

Definition at line 116 of file qxrdrasterdata.cpp.

References m_NRows.

Referenced by QxrdImagePlot::onMaskedImageAvailable(), and QxrdImagePlot::onProcessedImageAvailable().

 {
   return m_NRows;
 }

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int QxrdRasterData::interp ( ) const

inline

Definition at line 34 of file qxrdrasterdata.h.

References m_Interpolate.

Referenced by setInterpolate().

34 { return m_Interpolate; }

QxrdRasterData::m_Interpolate

int m_Interpolate

Definition: qxrdrasterdata.h:43

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int QxrdRasterData::interpolate ( )

Definition at line 33 of file qxrdrasterdata.cpp.

References m_Interpolate.

 {
   return m_Interpolate;
 }

double QxrdRasterData::maxValue ( )

Definition at line 88 of file qxrdrasterdata.cpp.

References m_Data.

Referenced by QxrdImagePlot::recalculateDisplayedRange().

 {
   if (m_Data) {
     return m_Data->maxValue();
   } else {
     return 0;
   }
 }

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double QxrdRasterData::minValue ( )

Definition at line 79 of file qxrdrasterdata.cpp.

References m_Data.

Referenced by QxrdImagePlot::recalculateDisplayedRange().

 {
   if (m_Data) {
     return m_Data->minValue();
   } else {
     return 0;
   }
 }

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QPointF QxrdRasterData::optimizePeakPosition ( QPointF pt ) const

Definition at line 121 of file qxrdrasterdata.cpp.

References value().

Referenced by QxrdImagePlot::trackerTextF().

 {
   int rad = 10;
   int ix = pt.x();
   int iy = pt.y();
   int first = 1;
 
   double max;
   int maxx = 0, maxy = 0;
 
   for (int j=iy-rad; j<iy+rad; j++) {
     for (int i=ix-rad; i<ix+rad; i++) {
       double val=value(i,j);
 
       if (first) {
         max = val; maxx = i; maxy = j;
         first = 0;
       } else if (val > max) {
         max = val; maxx = i; maxy = j;
       }
     }
   }
 
   return QPointF(maxx, maxy);
 }

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QwtInterval QxrdRasterData::percentileRange	(	double	lowpct,
		double	highpct
	)

Definition at line 97 of file qxrdrasterdata.cpp.

References m_Data.

Referenced by QxrdImagePlot::recalculateDisplayedRange().

 {
   QwtInterval res;
 
   if (m_Data) {
     QPointF r = m_Data->percentileRange(lowpct, highpct);
 
     res.setMinValue(r.x());
     res.setMaxValue(r.y());
   }
 
   return res;
 }

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QwtInterval QxrdRasterData::range ( ) const

Definition at line 67 of file qxrdrasterdata.cpp.

References m_Range.

 {
   return m_Range;
 }

void QxrdRasterData::setDisplayedRange	(	double	min,
		double	max
	)

Definition at line 72 of file qxrdrasterdata.cpp.

References m_Range.

Referenced by QxrdImagePlot::recalculateDisplayedRange().

 {
   m_Range = QwtInterval(min, max);
 
   setInterval(Qt::ZAxis, m_Range);
 }

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void QxrdRasterData::setInterpolate ( int interp )

Definition at line 26 of file qxrdrasterdata.cpp.

References interp(), and m_Interpolate.

Referenced by QxrdImagePlot::onInterpolateChanged().

 {
 //  printf("%p->QxrdRasterData::setInterpolate(%d)\n", this, interp);
 
   m_Interpolate = interp;
 }

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double QxrdRasterData::value	(	double	x,
		double	y
	)		const

Definition at line 38 of file qxrdrasterdata.cpp.

References m_Data, m_Interpolate, m_NCols, and m_NRows.

Referenced by optimizePeakPosition(), and QxrdImagePlot::trackerTextF().

 {
   if (m_Data) {
     if (x < 0 || x > m_NCols) return 0;
     if (y < 0 || y > m_NRows) return 0;
 
     if (m_Interpolate) {
       int ix = ((int) x), iy = ((int) y);
       double dx = x-ix, dy = y-iy;
 
       double f00 = m_Data->getImageData((ix)   , (iy));
       double f10 = m_Data->getImageData((ix+1) , (iy));
       double f01 = m_Data->getImageData((ix)   , (iy+1));
       double f11 = m_Data->getImageData((ix+1) , (iy+1));
 
       double f0 = f00*(1-dx)+f10*dx;
       double f1 = f01*(1-dx)+f11*dx;
 
       double f = f0*(1-dy)+f1*dy;
 
       return f;
     } else {
       return m_Data->getImageData(((int) qRound(x)) , ((int) qRound(y)));
     }
   } else {
     return 0;
   }
 }