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())
{
}
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
}
/*!
\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;
}
/*!
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())
);
}
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();
}
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()));
}
}
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 ) ;
}
/*!
\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());
}
/*!
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;
}
/**
* 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());
}
/** 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());
}
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;
}
