Example #1
0
static inline double qwtDistance(
  const QwtDoublePoint &p1, const QwtDoublePoint &p2 )
{
  double dx = p2.x() - p1.x();
  double dy = p2.y() - p1.y();
  return ::sqrt( dx * dx + dy * dy );
}
QList<QwtDoublePoint> QwtCircleClipper::cuttingPoints(
    Edge edge, const QwtDoublePoint &pos, double radius) const
{
    QList<QwtDoublePoint> points;

    if ( edge == Left || edge == Right )
    {
        const double x = (edge == Left) ? left() : right();
        if ( qwtAbs(pos.x() - x) < radius )
        {
            const double off = ::sqrt(qwtSqr(radius) - qwtSqr(pos.x() - x));
            const double y1 = pos.y() + off;
            if ( y1 >= top() && y1 <= bottom() )
                points += QwtDoublePoint(x, y1);
            const double y2 = pos.y() - off;
            if ( y2 >= top() && y2 <= bottom() )
                points += QwtDoublePoint(x, y2);
        }
    }
    else
    {
        const double y = (edge == Top) ? top() : bottom();
        if ( qwtAbs(pos.y() - y) < radius )
        {
            const double off = ::sqrt(qwtSqr(radius) - qwtSqr(pos.y() - y));
            const double x1 = pos.x() + off;
            if ( x1 >= left() && x1 <= right() )
                points += QwtDoublePoint(x1, y);
            const double x2 = pos.x() - off;
            if ( x2 >= left() && x2 <= right() )
                points += QwtDoublePoint(x2, y);
        }
    }
    return points;
}
/*!
  Constructs a rectangle with topLeft as the top-left corner and
  size as the rectangle size.
*/
QwtDoubleRect::QwtDoubleRect(
        const QwtDoublePoint &p, const QwtDoubleSize &size):
    d_left(p.x()),
    d_right(p.x() + size.width()),
    d_top(p.y()),
    d_bottom(p.y() + size.height())
{
}
Example #4
0
void QmitkHistogramWidget::OnSelect( const QwtDoublePoint& pos )
{
    m_Marker->setXValue( this->Round(pos.x()) );
    //unsigned int count = (unsigned int)(m_Histogram->data().value(pos.x()));
    QString str = QString( "%1" )
                  .arg( (int)(this->Round(pos.x())), 0, 10 );
    QwtText text(str);
    text.setBackgroundBrush(QColor(200,150,0));
    text.setFont(QFont("Helvetica", 14, QFont::Bold));
    m_Marker->setLabel(text);
    m_Plot->replot();
}
void LineMarker::setCoordStartPoint(const QwtDoublePoint& p)
{
if (QwtDoublePoint(d_rect.left(), d_rect.top()) == p)
	return;

d_rect.setLeft(p.x());
d_rect.setTop(p.y());

const QwtScaleMap &xMap = d_plot->canvasMap(xAxis());
const QwtScaleMap &yMap = d_plot->canvasMap(yAxis());

d_start = QPoint(xMap.transform(p.x()), yMap.transform(p.y()));
}
void LineMarker::setCoordEndPoint(const QwtDoublePoint& p)
{
if (QwtDoublePoint(d_rect.right(), d_rect.bottom()) == p)
	return;

d_rect.setRight(p.x());
d_rect.setBottom(p.y());

const QwtScaleMap &xMap = d_plot->canvasMap(xAxis());
const QwtScaleMap &yMap = d_plot->canvasMap(yAxis());

d_end = QPoint(xMap.transform(p.x()), yMap.transform(p.y()));
}
/*!
  \brief Translate a position into a position string

  In case of HLineRubberBand the label is the value of the
  y position, in case of VLineRubberBand the value of the x position.
  Otherwise the label contains x and y position separated by a ´, ´.

  The format for the double to string conversion is "%.4f".

  \param pos Position
  \return Position string
*/
QString QwtPlotPicker::cursorLabel(const QwtDoublePoint &pos) const
{
    switch(rubberBand())
    {
        case HLineRubberBand:
            return QString().sprintf("%.4f", pos.y());
        case VLineRubberBand:
            return QString().sprintf("%.4f", pos.x());
        default:
            return QString().sprintf("%.4f, %.4f", pos.x(), pos.y());
    }
    return QString::null; // make some dumb compilers happy
}
Example #8
0
/*!
  \brief Translate a position into a position string

  In case of HLineRubberBand the label is the value of the
  y position, in case of VLineRubberBand the value of the x position.
  Otherwise the label contains x and y position separated by a ',' .

  The format for the double to string conversion is "%.4f".

  \param pos Position
  \return Position string
*/
QwtText QwtPlotPicker::trackerText(const QwtDoublePoint &pos) const
{
    QString text;

    switch(rubberBand())
    {
        case HLineRubberBand:
            text.sprintf("%.4f", pos.y());
            break;
        case VLineRubberBand:
            text.sprintf("%.4f", pos.x());
            break;
        default:
            text.sprintf("%.4f, %.4f", pos.x(), pos.y());
    }
    return QwtText(text);
}
bool QwtPolygonClipperF::insideEdge(const QwtDoublePoint &p, Edge edge) const
{
    switch(edge) 
    {
        case Left:
            return p.x() > left();
        case Top:
            return p.y() > top();
        case Right:
            return p.x() < right();
        case Bottom:
            return p.y() < bottom();
        default:
            break;
    }

    return false;
}
Example #10
0
/*!
    Translate a point from plot into pixel coordinates
    \return Point in pixel coordinates
    \sa QwtPlotPicker::invTransform()
*/
QPoint QwtPlotPicker::transform(const QwtDoublePoint &pos) const
{
    QwtScaleMap xMap = plot()->canvasMap(d_xAxis);
    QwtScaleMap yMap = plot()->canvasMap(d_yAxis);

    return QPoint(
        xMap.transform(pos.x()),
        yMap.transform(pos.y())
    );
}
Example #11
0
void SpecBox::setMarker(QwtDoublePoint n) {
    QString out;
    out.setNum(n.x(),'g',3);
    //picker->transform(n);
    //cout << "marker set at " << n.x() << "\n";

    //fcenter->setXValue((double) n.x());
    //fcenter->setLabel(QwtText(out));
    //plot->LabelFrequency->setLabel(QwtText(out));
    plot->replot();

}
Example #12
0
void LineDialog::displayCoordinates(int unit)
{
	if (unit == ScaleCoordinates){
		QwtDoublePoint sp = lm->startPointCoord();
		xStartBox->setValue(sp.x());
		xStartBox->show();
		xStartPixelBox->hide();
		yStartBox->setValue(sp.y());
		yStartBox->show();
		yStartPixelBox->hide();

		QwtDoublePoint ep = lm->endPointCoord();
		xEndBox->setValue(ep.x());
		xEndBox->show();
		xEndPixelBox->hide();
		yEndBox->setValue(ep.y());
		yEndBox->show();
		yEndPixelBox->hide();
	} else {
		QPoint startPoint = lm->startPoint();
		QPoint endPoint = lm->endPoint();

		xStartBox->hide();	
		xStartPixelBox->setValue(startPoint.x());
		xStartPixelBox->show();
		
		yStartBox->hide();
		yStartPixelBox->setValue(startPoint.y());
		yStartPixelBox->show();
		
		xEndBox->hide();
		xEndPixelBox->setValue(endPoint.x());
		xEndPixelBox->show();
		
		yEndBox->hide();
		yEndPixelBox->setValue(endPoint.y());
		yEndPixelBox->show();
	}
}
void LineDialog::displayCoordinates(int unit)
{
if (unit == ScaleCoordinates)
	{
	QwtDoublePoint sp = lm->startPointCoord();
	xStartBox->setText(QString::number(sp.x()));
	yStartBox->setText(QString::number(sp.y()));

	QwtDoublePoint ep = lm->endPointCoord();
	xEndBox->setText(QString::number(ep.x()));
	yEndBox->setText(QString::number(ep.y()));
	}
else
	{
	QPoint startPoint = lm->startPoint();
	QPoint endPoint = lm->endPoint();

	xStartBox->setText(QString::number(startPoint.x()));
	yStartBox->setText(QString::number(startPoint.y()));

	xEndBox->setText(QString::number(endPoint.x()));
	yEndBox->setText(QString::number(endPoint.y()));
	}
}
Example #14
0
void ProRataPeptideTable::pointMLESelected( const QwtDoublePoint point )
{
	int iRow = 0;
	unsigned int iMinIndex = 0;
	double dMinDistance = 1000;
	double dCurrentDistance = 0;
	map< unsigned int, double > mIndexDistance;
	for( unsigned int i = 0; i < vpepInfo.size(); i++ )
	{
		if( !vpepInfo.at(i)->getValidity() )
			continue;
		// the x and y axes are not in the same range
		// take a sqrt to compress the difference
		dCurrentDistance = sqrt( fabs( point.x() - vpepInfo.at(i)->getPCALog2Ratio() ) )
			+ sqrt( fabs( point.y() - vpepInfo.at(i)->getPCALog2SNR() ) );
		if( dCurrentDistance < dMinDistance )
		{
			dMinDistance = dCurrentDistance;
			iMinIndex = i;
		}
	}

	if( dMinDistance > 1000 )
		return;

	//QMessageBox::information( this, "Row to be selected, before intising", QString::number( iMinIndex ) );
	iRow = (int)iMinIndex;
	
	//QMessageBox::information( this, "Row to be selected", QString::number( iRow ) );
	//qtwTable->selectRow( iRow ) ;
	//qtwTable->showRow( iRow );

    QAbstractItemView::SelectionMode sm = qtwTable->selectionMode();
    qtwTable->setSelectionMode(QAbstractItemView::ExtendedSelection);
    qtwTable->selectRow( iRow );
    qtwTable->setSelectionMode(sm);

	delete ppepRatio;
	ppepRatio = new PeptideRatio;
	vpepInfo.at(iRow)->setPeptideRatio( ppepRatio );

	emit peptideClicked( ppepRatio );
	emit peptideClicked( vpepInfo.at(iRow) );

	//qtwTable->selectRow( 0 ) ;
}
Example #15
0
/*!
   \brief Calculate the bounding rect of the plot area

   The plot area depends on the zoom parameters.

   \param canvasRect Rectangle of the canvas
   \return Rectangle for displaying 100% of the plot
*/
QwtDoubleRect QwtPolarPlot::plotRect( const QRect &canvasRect ) const
{
  const QwtScaleDiv *sd = scaleDiv( QwtPolar::Radius );
  const QwtScaleEngine *se = scaleEngine( QwtPolar::Radius );

  const int margin = plotMarginHint();
  const QRect cr = canvasRect;
  const int radius = qwtMin( cr.width(), cr.height() ) / 2 - margin;

  QwtScaleMap map;
  map.setTransformation( se->transformation() );
  map.setPaintXInterval( 0.0, radius / d_data->zoomFactor );
#if QWT_VERSION < 0x050200
  map.setScaleInterval( sd->lBound(), sd->hBound() );
#else
  map.setScaleInterval( sd->lowerBound(), sd->upperBound() );
#endif

  double v = map.s1();
  if ( map.s1() <= map.s2() )
    v += d_data->zoomPos.radius();
  else
    v -= d_data->zoomPos.radius();
  v = map.xTransform( v );

  const QwtDoublePoint off =
    QwtPolarPoint( d_data->zoomPos.azimuth(), v ).toPoint();

  QwtDoublePoint center( cr.center().x(), cr.top() + margin + radius );
  center -= QwtDoublePoint( off.x(), -off.y() );

  QwtDoubleRect rect( 0, 0, 2 * map.p2(), 2 * map.p2() );
  rect.moveCenter( center );

  return rect;
}
QwtDoublePoint QwtPolygonClipperF::intersectEdge(const QwtDoublePoint &p1, 
    const QwtDoublePoint &p2, Edge edge ) const
{
    double x=0.0, y=0.0;
    double m = 0;

    const double dy = p2.y() - p1.y();
    const double dx = p2.x() - p1.x();

    switch ( edge ) 
    {
        case Left:
            x = left();
            m = double(qwtAbs(p1.x() - x)) / qwtAbs(dx);
            y = p1.y() + int(dy * m);
            break;
        case Top:
            y = top();
            m = double(qwtAbs(p1.y() - y)) / qwtAbs(dy);
            x = p1.x() + int(dx * m);
            break;
        case Right:
            x = right();
            m = double(qwtAbs(p1.x() - x)) / qwtAbs(dx);
            y = p1.y() + int(dy * m);
            break;
        case Bottom:
            y = bottom();
            m = double(qwtAbs(p1.y() - y)) / qwtAbs(dy);
            x = p1.x() + int(dx * m);
            break;
        default:
            break;
    }

    return QwtDoublePoint(x,y);
}
double QwtCircleClipper::toAngle(
    const QwtDoublePoint &from, const QwtDoublePoint &to) const
{
    if ( from.x() == to.x() )
        return from.y() <= to.y() ? M_PI / 2.0 : 3 * M_PI / 2.0;

    const double m = qwtAbs((to.y() - from.y()) / (to.x() - from.x()) );

    double angle = ::atan(m);
    if ( to.x() > from.x() )
    {   
        if ( to.y() > from.y() )
            angle = 2 * M_PI - angle;
    }
    else
    {
        if ( to.y() > from.y() )
            angle = M_PI + angle;
        else
            angle = M_PI - angle;
    }

    return angle;
}
//! Set Value
void QwtPlotMarker::setValue(const QwtDoublePoint& pos)
{
    setValue(pos.x(), pos.y());
}
/*!
  Returns true if the point p is inside or on the edge of the rectangle;
  otherwise returns false.

  If proper is true, this function returns true only if p is inside
  (not on the edge).
*/
bool QwtDoubleRect::contains(const QwtDoublePoint &p, bool proper) const
{
    return contains(p.x(), p.y(), proper);
}
void SectionWindow::relayMove(QwtDoublePoint p)
{
    emit moved(p.x(), p.y());
}
Example #21
0
/*!
   Calculate the bounding interval of the radial scale that is
   visible on the canvas.
*/
QwtDoubleInterval QwtPolarPlot::visibleInterval() const
{
  const QwtScaleDiv *sd = scaleDiv( QwtPolar::Radius );

  const QwtDoubleRect cRect = canvas()->contentsRect();
  const QwtDoubleRect pRect = plotRect( cRect.toRect() );
  if ( cRect.contains( pRect.toRect() ) || !cRect.intersects( pRect ) )
  {
#if QWT_VERSION < 0x050200
    return QwtDoubleInterval( sd->lBound(), sd->hBound() );
#else
    return QwtDoubleInterval( sd->lowerBound(), sd->upperBound() );
#endif
  }

  const QwtDoublePoint pole = pRect.center();
  const QwtDoubleRect scaleRect = pRect & cRect;

  const QwtScaleMap map = scaleMap( QwtPolar::Radius );

  double dmin = 0.0;
  double dmax = 0.0;
  if ( scaleRect.contains( pole ) )
  {
    dmin = 0.0;

    QwtDoublePoint corners[4];
    corners[0] = scaleRect.bottomRight();
    corners[1] = scaleRect.topRight();
    corners[2] = scaleRect.topLeft();
    corners[3] = scaleRect.bottomLeft();

    dmax = 0.0;
    for ( int i = 0; i < 4; i++ )
    {
      const double dist = qwtDistance( pole, corners[i] );
      if ( dist > dmax )
        dmax = dist;
    }
  }
  else
  {
    if ( pole.x() < scaleRect.left() )
    {
      if ( pole.y() < scaleRect.top() )
      {
        dmin = qwtDistance( pole, scaleRect.topLeft() );
        dmax = qwtDistance( pole, scaleRect.bottomRight() );
      }
      else if ( pole.y() > scaleRect.bottom() )
      {
        dmin = qwtDistance( pole, scaleRect.bottomLeft() );
        dmax = qwtDistance( pole, scaleRect.topRight() );
      }
      else
      {
        dmin = scaleRect.left() - pole.x();
        dmax = qwtMax( qwtDistance( pole, scaleRect.bottomRight() ),
                       qwtDistance( pole, scaleRect.topRight() ) );
      }
    }
    else if ( pole.x() > scaleRect.right() )
    {
      if ( pole.y() < scaleRect.top() )
      {
        dmin = qwtDistance( pole, scaleRect.topRight() );
        dmax = qwtDistance( pole, scaleRect.bottomLeft() );
      }
      else if ( pole.y() > scaleRect.bottom() )
      {
        dmin = qwtDistance( pole, scaleRect.bottomRight() );
        dmax = qwtDistance( pole, scaleRect.topLeft() );
      }
      else
      {
        dmin = pole.x() - scaleRect.right();
        dmax = qwtMax( qwtDistance( pole, scaleRect.bottomLeft() ),
                       qwtDistance( pole, scaleRect.topLeft() ) );
      }
    }
    else if ( pole.y() < scaleRect.top() )
    {
      dmin = scaleRect.top() - pole.y();
      dmax = qwtMax( qwtDistance( pole, scaleRect.bottomLeft() ),
                     qwtDistance( pole, scaleRect.bottomRight() ) );
    }
    else if ( pole.y() > scaleRect.bottom() )
    {
      dmin = pole.y() - scaleRect.bottom();
      dmax = qwtMax( qwtDistance( pole, scaleRect.topLeft() ),
                     qwtDistance( pole, scaleRect.topRight() ) );
    }
  }

  const double radius = pRect.width() / 2.0;
  if ( dmax > radius )
    dmax = radius;

  QwtDoubleInterval interval;
  interval.setMinValue( map.invTransform( dmin ) );
  interval.setMaxValue( map.invTransform( dmax ) );

  return interval;
}
Example #22
0
/**
 * Zwraca "intensywność" spektrogramu w danym punkcie.
 *
 * W przypadku klasycznego spektrogramu jest to wartość danego prążka widma.
 *
 * @param pos punkt w którym pobieramy wartość
 * @return intensywność
 */
double SpectrogramPlot::getIntensity(const QwtDoublePoint& pos) const
{
    return spectrogram->data().value(pos.x(), pos.y());
}
Example #23
0
/** Called each time the mouse moves over the canvas */
QwtText CustomPicker::trackerText(const QwtDoublePoint &pos) const {
  emit mouseMoved(pos.x(), pos.y());
  return QwtText();
}
//! moves the center to pos, leaving the size unchanged
void QwtDoubleRect::moveCenter(const QwtDoublePoint &pos)
{
    moveCenter(pos.x(), pos.y());
}
Example #25
0
void UI::FunctionWidget::pickerSelected(const QwtDoublePoint& pos) {
    double x,y;
    //x = m_pPlot->invTransform(QwtPlot::xBottom,pos.x());
    //y = m_pPlot->invTransform(QwtPlot::yLeft,pos.y());
    emit pickerMouseSelected( pos.x(),pos.y() );
}
    const QList<double> &levels, int flags) const
#else
QwtRasterData::ContourLines QwtRasterData::contourLines(
    const QwtDoubleRect &rect, const QSize &raster, 
    const QValueList<double> &levels, int flags) const
#endif
{   
    ContourLines contourLines;
    
    if ( levels.size() == 0 || !rect.isValid() || !raster.isValid() )
        return contourLines;

    const double dx = rect.width() / raster.width();
    const double dy = rect.height() / raster.height();

    const bool ignoreOnPlane =
        flags & QwtRasterData::IgnoreAllVerticesOnLevel;

    const QwtDoubleInterval range = this->range();
    bool ignoreOutOfRange = false;
    if ( range.isValid() )
        ignoreOutOfRange = flags & IgnoreOutOfRange;

    ((QwtRasterData*)this)->initRaster(rect, raster);

    for ( int y = 0; y < raster.height() - 1; y++ )
    {
        enum Position
        {
            Center,

            TopLeft,
            TopRight,
            BottomRight,
            BottomLeft,

            NumPositions
        };

        Contour3DPoint xy[NumPositions];

        for ( int x = 0; x < raster.width() - 1; x++ )
        {
            const QwtDoublePoint pos(rect.x() + x * dx, rect.y() + y * dy);

            if ( x == 0 )
            {
                xy[TopRight].setPos(pos.x(), pos.y());
                xy[TopRight].setZ(
                    value( xy[TopRight].x(), xy[TopRight].y())
                );

                xy[BottomRight].setPos(pos.x(), pos.y() + dy);
                xy[BottomRight].setZ(
                    value(xy[BottomRight].x(), xy[BottomRight].y())
                );
            }

            xy[TopLeft] = xy[TopRight];
            xy[BottomLeft] = xy[BottomRight];

            xy[TopRight].setPos(pos.x() + dx, pos.y());
            xy[BottomRight].setPos(pos.x() + dx, pos.y() + dy);

            xy[TopRight].setZ(
                value(xy[TopRight].x(), xy[TopRight].y())
            );
            xy[BottomRight].setZ(
                value(xy[BottomRight].x(), xy[BottomRight].y())
            );

            double zMin = xy[TopLeft].z();
            double zMax = zMin;
            double zSum = zMin;

            for ( int i = TopRight; i <= BottomLeft; i++ )
            {
                const double z = xy[i].z();

                zSum += z;
                if ( z < zMin )
                    zMin = z;
                if ( z > zMax )
                    zMax = z;
            }

            if ( ignoreOutOfRange )
            {
                if ( !range.contains(zMin) || !range.contains(zMax) )
                    continue;
            }

            if ( zMax < levels[0] ||
                zMin > levels[levels.size() - 1] )
            {
                continue;
            }

            xy[Center].setPos(pos.x() + 0.5 * dx, pos.y() + 0.5 * dy);
            xy[Center].setZ(0.25 * zSum);
            const int numLevels = (int)levels.size();
            for (int l = 0; l < numLevels; l++)
            {
                const double level = levels[l];
                if ( level < zMin || level > zMax )
                    continue;
#if QT_VERSION >= 0x040000
                QPolygonF &lines = contourLines[level];
#else
                QwtArray<QwtDoublePoint> &lines = contourLines[level];
#endif
                const ContourPlane plane(level);

                QwtDoublePoint line[2];
                Contour3DPoint vertex[3];

                for (int m = TopLeft; m < NumPositions; m++)
                {
                    vertex[0] = xy[m];
                    vertex[1] = xy[0];
                    vertex[2] = xy[m != BottomLeft ? m + 1 : TopLeft];

                    const bool intersects =
                        plane.intersect(vertex, line, ignoreOnPlane);
                    if ( intersects )
                    {
#if QT_VERSION >= 0x040000
                        lines += line[0];
                        lines += line[1];
#else
                        const int index = lines.size();
                        lines.resize(lines.size() + 2, QGArray::SpeedOptim);

                        lines[index] = line[0];
                        lines[index+1] = line[1];
#endif
                    }
                }
            }
        }
    }

    ((QwtRasterData*)this)->discardRaster();

    return contourLines;
}