QxrdPlotVectorFieldData Class Reference

#include <qxrdplotvectorfielddata.h>

Inheritance diagram for QxrdPlotVectorFieldData:

Collaboration diagram for QxrdPlotVectorFieldData:

Public Member Functions
	QxrdPlotVectorFieldData ()
void	append (const QxrdPoint4D &pt)
QRectF	boundingRect () const

Detailed Description

Definition at line 7 of file qxrdplotvectorfielddata.h.

Constructor & Destructor Documentation

QxrdPlotVectorFieldData::QxrdPlotVectorFieldData

(

)

Definition at line 3 of file qxrdplotvectorfielddata.cpp.

{
}

Member Function Documentation

void QxrdPlotVectorFieldData::append

(

const QxrdPoint4D &

pt

)

Definition at line 7 of file qxrdplotvectorfielddata.cpp.

Referenced by QxrdDistortionCorrectionDialog::updateDistortionGraph().

{
  d_samples.append(pt);
}

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QRectF QxrdPlotVectorFieldData::boundingRect

(

)

const

Definition at line 12 of file qxrdplotvectorfielddata.cpp.

References QxrdPoint4D::t(), QxrdPoint4D::x(), QxrdPoint4D::y(), and QxrdPoint4D::z().

{
  int n = d_samples.count();

  if (n > 0) {
    double minx, maxx, miny, maxy;

    for (int i=0; i<n; i++) {
      QxrdPoint4D pt = d_samples[i];
      double x0 = pt.x(),
             y0 = pt.y();
      double x1 = x0 + pt.z(),
             y1 = y0 + pt.t();

      if (i==0) {
        minx = qMin(x0, x1);
        maxx = qMax(x0, x1);
        miny = qMin(y0, y1);
        maxy = qMax(y0, y1);
      } else {
        minx = qMin(minx, x0);
        minx = qMin(minx, x1);
        maxx = qMax(maxx, x0);
        maxx = qMax(maxx, x1);
        miny = qMin(miny, y0);
        miny = qMin(miny, y1);
        maxy = qMax(maxy, y0);
        maxy = qMax(maxy, y1);
      }
    }

    return QRectF(minx, miny, maxx - minx, maxy - miny);
  } else {
    return QRectF();
  }
}

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

• qxrdplotvectorfielddata.h (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)
• qxrdplotvectorfielddata.cpp (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)