/// Adjusts the underlying grid based on the graphs that are displayed in the diagram
void DiagramScene::constructGrid()
{
// be very careful with scaling parameters here!
int numXTicks, numYTicks;
float xMin = _unscaledBounds.left();
float yMin = _unscaledBounds.top();
float xMax = _unscaledBounds.right();
float yMax = _unscaledBounds.bottom();
adjustAxis(xMin, xMax, numXTicks);
adjustAxis(yMin, yMax, numYTicks);
// adjust boundaries of coordinate system according to scaling
_bounds.setRect( xMin * _scaleX,
yMin * _scaleY,
(xMax - xMin) * _scaleX,
(yMax - yMin) * _scaleY
);
QPen pen(Qt::black, 1, Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin);
_grid = addGrid(_bounds, numXTicks, numYTicks, pen);
if (_startDate == QDateTime())
{
for (int i = 0; i <= numXTicks; ++i)
{
int x = static_cast<int>(_bounds.left() / _scaleX +
(i * (_bounds.width() / _scaleX) / numXTicks));
_xTicksText.push_back(addNonScalableText(QString::number(x)));
_xTicksText.last()->setPos(x * _scaleX, _bounds.bottom() + 15);
}
}
else
{
for (int i = 0; i <= numXTicks; ++i)
{
int x = static_cast<int>(_bounds.left() / _scaleX +
(i * (_bounds.width() / _scaleX) / numXTicks));
QDateTime currentDate = _startDate.addSecs(x);
_xTicksText.push_back(addNonScalableText(currentDate.toString("dd.MM.yyyy")));
_xTicksText.last()->setPos(x * _scaleX, _bounds.bottom() + 15);
}
}
for (int j = 0; j <= numYTicks; ++j)
{
float y = _bounds.bottom() / _scaleY -
(j * (_bounds.height() / _scaleY) / numYTicks);
float label = _bounds.top() / _scaleY +
(j * (_bounds.height() / _scaleY) / numYTicks);
_yTicksText.push_back(addNonScalableText(QString::number(label)));
_yTicksText.last()->setPos(_bounds.left() - MARGIN / 2, y * _scaleY);
}
}
void PlotSettings::adjust()
{
adjustAxis(minX,maxX,numXTicks);
adjustAxis(minY,maxY,numYTicks);
}
void PlotSettings::adjust()
{
this->numXTicks= adjustAxis(minX,maxX);
this->numYTicks = adjustAxis(minY,maxY);
}