void
MainWindow::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
QPoint upper_left(100, 200), low_right(1100, 700);
QRect rect(upper_left, low_right);
QBrush brush("#349D84");
painter.setBrush(brush);
brush.setColor("#349D84");
painter.drawRect(rect);
QPen pen;
pen.setColor("#307867");
pen.setWidth(3);
painter.setPen(pen);
int x = (low_right.x() + upper_left.x()) / 2.0;
int y = (low_right.y() + upper_left.y()) / 2.0;
painter.drawLine(upper_left.x(), y, low_right.x(), y);
painter.drawLine(x, upper_left.y(), x, low_right.y());
painter.setBrush(Qt::NoBrush);
painter.drawRect(rect);
painter.setPen(Qt::yellow);
QPointF points[2000];
for (size_t i(0); i != 2000; ++i)
points[i] = QPointF(upper_left.x() + i * 0.5, gain * this->points[i + offset] + y);
painter.drawPolyline(points, 2000);
}
void screen_controller::drawbox(int hor, int ver, int ul, int ur, int ll, int lr) {
draw_vertical(0, 0, maxrow()-1, ver);
draw_vertical(0, maxcol(), maxrow()-1, ver);
draw_horizontal(0, 0, maxcol()-1, hor);
draw_horizontal(maxrow(), 0, maxcol()-1, hor);
upper_left(); printf("%d", ul, 0);
lower_left(); printf("%d", ll, 0);
upper_right(); printf("%d", ur, 0);
lower_right(); printf("%d", lr, 0);
}
inline bool Intersects(const RectangleInt2D &other) const
{
FixedPointCoordinate upper_left(other.max_lat, other.min_lon);
FixedPointCoordinate upper_right(other.max_lat, other.max_lon);
FixedPointCoordinate lower_right(other.min_lat, other.max_lon);
FixedPointCoordinate lower_left(other.min_lat, other.min_lon);
return (Contains(upper_left) || Contains(upper_right) || Contains(lower_right) ||
Contains(lower_left));
}
// | V0 Z^T*V0 0 |
// | V0*Z Z^T*V0*Z 0 |
// | 0 0 0 |
Spd ASSR::initial_state_variance()const {
Spd V0 = StateSpaceModelBase::initial_state_variance();
SparseVector Z0(StateSpaceModelBase::observation_matrix(0));
Vec covariance = V0 * Z0;
double y_variance = Z0.dot(covariance) + regression_->sigsq();
int state_dim = state_dimension();
Spd ans(state_dim, 0.0);
SubMatrix upper_left(ans, 0, state_dim - 3, 0, state_dim - 3);
upper_left = V0;
ans.col(state_dim - 2);
VectorView covariance_column(ans.col(state_dim - 2), 0, state_dim - 2 );
VectorView covariance_row(ans.row(state_dim - 2), 0, state_dim - 2 );
covariance_column = covariance;
covariance_row = covariance;
ans(state_dim - 2, state_dim -2) = y_variance;
return ans;
}
int32_xy tAoi::upperleft() const {
return upper_left();
}