//------------------------------------------------------------------------------
void TStaticObject::mouseMoveEvent(QGraphicsSceneMouseEvent* event)
{
if (mFixed) {
return;
}
bool fixedAngle = event->modifiers() == Qt::ControlModifier;
if (mButton == Qt::LeftButton) {
// Rotate object
if (event->modifiers() == Qt::ShiftModifier || fixedAngle) {
int angle = (int)(event->pos().x() - mCursorPosition.x());
if (!fixedAngle) {
angle %= 4;
}
angle += rotation();
angle %= 360;
if (fixedAngle) {
angle = (int) angle / 45 * 45;
}
setTransformOriginPoint(centerPoint());
setRotation(angle);
return;
}
// Move object
setTransformOriginPoint(0, 0);
QGraphicsItem::setPos(mapToScene(
event->pos().x() - mCursorPosition.x(),
event->pos().y() - mCursorPosition.y()));
setTransformOriginPoint(centerPoint());
}
}
inline
Box2d
Circle2d::bounds() const {
return Box2d(
Interval(centerPoint().x() - radius(), centerPoint().x() + radius()),
Interval(centerPoint().y() - radius(), centerPoint().y() + radius())
);
}
void Blocks::run () {
long elementsX = width/size;
long elementsY = height/size;
int IDCounter = 0;
for (int i = 0; i < elementsX-1; i++) {
for (int j = 0; j < elementsY-1; j++) {
//Points at the Edge
Point p1(i*size, j*size, 0);
Point p2((i+1)*size, j*size, 0);
Point p3((i+1)*size, (j+1)*size, 0);
Point p4(i*size, (j+1)*size, 0); std::vector<Point> edgePoints;
edgePoints.push_back(p1);
edgePoints.push_back(p2);
edgePoints.push_back(p3);
edgePoints.push_back(p4);
//Create Edges
Edge e1(0,1);
Edge e2(1,2);
Edge e3(2,3);
Edge e4(3,0);
std::vector<Edge> edges;
edges.push_back(e1);
edges.push_back(e2);
edges.push_back(e3);
edges.push_back(e4);
//Cretae Face
std::vector<long> f;
f.push_back(0);
f.push_back(1);
f.push_back(2);
f.push_back(3);
Face face(f);
std::vector<Face> faces;
faces.push_back(face);
Point centerPoint((i+0.5)*size, (j+0.5)*size, 0);
std::vector<Point> centerPoints;
centerPoints.push_back(centerPoint);
std::stringstream name;
name << "Block_" << IDCounter;
block->setPoints(name.str(), edgePoints);
block->setEdges(name.str(), edges);
block->setFaces(name.str(), faces);
name.clear();
name << "BlockCenterPoint_" << IDCounter;
block->setPoints(name.str(), centerPoints);
IDCounter++;
}
}
}
Point Window::GetInitialLocation(const Point& initialSize)
{
void* parent = Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetParent(shell->GetControl());
Point centerPoint(0,0);
Rectangle parentBounds(0,0,0,0);
if (parent != 0)
{
parentBounds = Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetBounds(parent);
centerPoint.x = parentBounds.x + parentBounds.width/2;
centerPoint.y = parentBounds.y - parentBounds.height/2;
}
else
{
parentBounds = Tweaklets::Get(GuiWidgetsTweaklet::KEY)
->GetScreenSize(Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetPrimaryScreenNumber());
centerPoint.x = parentBounds.width/2;
centerPoint.y = parentBounds.height/2;
}
return Point(centerPoint.x - (initialSize.x / 2),
std::max<int>(parentBounds.y,
std::min<int>(centerPoint.y - (initialSize.y * 2 / 3),
parentBounds.y + parentBounds.height - initialSize.y)));
}
QPoint Window::GetInitialLocation(const QPoint& initialSize)
{
QWidget* parent = Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetParent(shell->GetControl());
QPoint centerPoint(0,0);
QRect parentBounds(0,0,0,0);
if (parent != nullptr)
{
parentBounds = Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetBounds(parent);
centerPoint.setX(parentBounds.x() + parentBounds.width()/2);
centerPoint.setY(parentBounds.y() - parentBounds.height()/2);
}
else
{
parentBounds = Tweaklets::Get(GuiWidgetsTweaklet::KEY)
->GetScreenSize(Tweaklets::Get(GuiWidgetsTweaklet::KEY)->GetPrimaryScreenNumber());
centerPoint.setX(parentBounds.width()/2);
centerPoint.setY(parentBounds.height()/2);
}
return QPoint(centerPoint.x() - (initialSize.x() / 2),
std::max<int>(parentBounds.y(),
std::min<int>(centerPoint.y() - (initialSize.y() * 2 / 3),
parentBounds.y() + parentBounds.height() - initialSize.y())));
}
static void testSetOriginAndScale4(BView *view, BRect frame)
{
frame.InsetBy(2, 2);
BPoint center = centerPoint(frame);
BRect r(0, 0, frame.IntegerWidth() / 2, frame.IntegerHeight() / 2);
view->SetOrigin(center);
view->FillRect(r);
view->SetScale(0.5);
view->SetHighColor(kRed);
view->FillRect(r);
view->PushState();
//
view->SetOrigin(center.x+1, center.y);
// +1 to work around BeOS bug
// where setting the origin has no
// effect if it is the same as
// the previous value althou
// it is from the "outer" coordinate
// system
view->SetHighColor(kGreen);
view->FillRect(r);
view->PopState();
}
static void testSetPenSize(BView *view, BRect frame)
{
frame.InsetBy(8, 2);
float x = centerPoint(frame).x;
view->StrokeLine(BPoint(frame.left, frame.top), BPoint(frame.right, frame.top));
frame.OffsetBy(0, 5);
view->SetPenSize(1);
view->StrokeLine(BPoint(frame.left, frame.top), BPoint(x, frame.top));
view->SetPenSize(0);
view->StrokeLine(BPoint(x+1, frame.top), BPoint(frame.right, frame.top));
frame.OffsetBy(0, 5);
view->SetPenSize(1);
view->StrokeLine(BPoint(frame.left, frame.top), BPoint(x, frame.top));
view->SetPenSize(2);
view->StrokeLine(BPoint(x+1, frame.top), BPoint(frame.right, frame.top));
frame.OffsetBy(0, 5);
view->SetPenSize(1);
view->StrokeLine(BPoint(frame.left, frame.top), BPoint(x, frame.top));
view->SetPenSize(3);
view->StrokeLine(BPoint(x+1, frame.top), BPoint(frame.right, frame.top));
frame.OffsetBy(0, 5);
view->SetPenSize(1);
view->StrokeLine(BPoint(frame.left, frame.top), BPoint(x, frame.top));
view->SetPenSize(4);
view->StrokeLine(BPoint(x+1, frame.top), BPoint(frame.right, frame.top));
}
inline
LineSegment2d
Circle2d::projectedOnto(const Axis2d& axis) const {
Point2d projectedCenter = centerPoint().projectedOnto(axis);
Vector2d offset = radius() * axis.directionVector();
return LineSegment2d(projectedCenter - offset, projectedCenter + offset);
}
LeastSquaresFitting::InitialGuessForLeastSquaresFitting LeastSquaresFitting::findInitialGuess(const Handle_TColgp_HArray1OfPnt& points)
{
//Compute center of gravity for point set
double cx=0.0;
double cy=0.0;
for(Standard_Integer i=points->Lower();i<=points->Upper();i++)
{
cx += points->Value(i).X();
cy += points->Value(i).Y();
}
cx /= points->Length();
cy /= points->Length();
gp_Pnt centerPoint(cx,cy,0.0);
//Compute average radius
double averageRadius = 0.0;
for(Standard_Integer i=points->Lower();i<=points->Upper();i++)
{
averageRadius += centerPoint.Distance(points->Value(i));
}
averageRadius /= points->Length();
return InitialGuessForLeastSquaresFitting(centerPoint,averageRadius);
}
Vec3d Primitive::centerPoint()
{
Point centerPoint(0,0,0);
std::vector<Point> pnts = points();
foreach(Point p, pnts) centerPoint += p;
return centerPoint /= pnts.size();
}
inline
Circle2d
Circle2d::transformedBy(const TTransformation& transformation) const {
return Circle2d(
centerPoint().transformedBy(transformation),
transformation.scale() * radius()
);
}
static void testStrokeTriangle(BView *view, BRect frame)
{
frame.InsetBy(2, 2);
BPoint points[3];
points[0] = BPoint(frame.left, frame.bottom);
points[1] = BPoint(centerPoint(frame).x, frame.top);
points[2] = BPoint(frame.right, frame.bottom);
view->StrokeTriangle(points[0], points[1], points[2]);
}
static void testStrokeEllipse(BView *view, BRect frame)
{
frame.InsetBy(2, 2);
view->StrokeEllipse(frame);
view->SetHighColor(kRed);
float r = frame.Width() / 3;
float s = frame.Height() / 4;
view->StrokeEllipse(centerPoint(frame), r, s);
}
int QPinchGesture::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QGesture::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
#ifndef QT_NO_PROPERTIES
if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast<int*>(_v) = QFlag(totalChangeFlags()); break;
case 1: *reinterpret_cast<int*>(_v) = QFlag(changeFlags()); break;
case 2: *reinterpret_cast< qreal*>(_v) = totalScaleFactor(); break;
case 3: *reinterpret_cast< qreal*>(_v) = lastScaleFactor(); break;
case 4: *reinterpret_cast< qreal*>(_v) = scaleFactor(); break;
case 5: *reinterpret_cast< qreal*>(_v) = totalRotationAngle(); break;
case 6: *reinterpret_cast< qreal*>(_v) = lastRotationAngle(); break;
case 7: *reinterpret_cast< qreal*>(_v) = rotationAngle(); break;
case 8: *reinterpret_cast< QPointF*>(_v) = startCenterPoint(); break;
case 9: *reinterpret_cast< QPointF*>(_v) = lastCenterPoint(); break;
case 10: *reinterpret_cast< QPointF*>(_v) = centerPoint(); break;
}
_id -= 11;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setTotalChangeFlags(QFlag(*reinterpret_cast<int*>(_v))); break;
case 1: setChangeFlags(QFlag(*reinterpret_cast<int*>(_v))); break;
case 2: setTotalScaleFactor(*reinterpret_cast< qreal*>(_v)); break;
case 3: setLastScaleFactor(*reinterpret_cast< qreal*>(_v)); break;
case 4: setScaleFactor(*reinterpret_cast< qreal*>(_v)); break;
case 5: setTotalRotationAngle(*reinterpret_cast< qreal*>(_v)); break;
case 6: setLastRotationAngle(*reinterpret_cast< qreal*>(_v)); break;
case 7: setRotationAngle(*reinterpret_cast< qreal*>(_v)); break;
case 8: setStartCenterPoint(*reinterpret_cast< QPointF*>(_v)); break;
case 9: setLastCenterPoint(*reinterpret_cast< QPointF*>(_v)); break;
case 10: setCenterPoint(*reinterpret_cast< QPointF*>(_v)); break;
}
_id -= 11;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 11;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 11;
}
#endif // QT_NO_PROPERTIES
return _id;
}
int main(int argc, char *argv[])
{
//Create a circle like before
gp_Pnt centerPoint(2.5,2.5,0);
gp_Dir normalDirection(0.0,0.0,1.0);
gp_Dir xDirection(1.0,0.0,0.0);
gp_Ax2 axis(centerPoint,normalDirection,xDirection);
//Creating the circle
gp_Circ circle(axis,2.5);
Standard_Integer resolution = 20;
//Here, an array of gp_Pnt is allocated, with 500 elements
//Note that the indexing runs from 1 to 500, instead of the
//standard convention of 0-499
TColgp_Array1OfPnt pointsOnCircle(1,resolution);
//Distribute the points and write them out to a file
PointOnCurveDistribution::distributePointsOnCurve(circle,pointsOnCircle,0.0,2.0*PI,resolution);
WriteCoordinatesToFile::writeCoordinatesToFile("chapter3points.txt",pointsOnCircle);
//Sum the area of the small triangles, to get an approximate area
//The for loop builds triangles with two corners on the circumference
//and the center of the circle as third point
double totalArea = 0.0;
for(Standard_Integer i=1;i<=resolution;i++)
{
gp_Pnt firstPntOfTriangle = pointsOnCircle.Value(i);
gp_Pnt secondPntOfTriangle;
if(i != resolution)
{
secondPntOfTriangle = pointsOnCircle.Value(i+1);
}
else
{
//If we are at the end of the array, take the first point
//because of periodicity
secondPntOfTriangle = pointsOnCircle.Value(1);
}
gp_Pnt thirdPntOfTriangle = centerPoint;
//A Handle (like a smart pointer) is built to an array of points
Handle_TColgp_HArray1OfPnt trianglePointsArray = new TColgp_HArray1OfPnt(1,3);
trianglePointsArray->ChangeValue(1) = firstPntOfTriangle;
trianglePointsArray->ChangeValue(2) = secondPntOfTriangle;
trianglePointsArray->ChangeValue(3) = thirdPntOfTriangle;
totalArea += AreaCalculations::calculateTriangleArea(trianglePointsArray);
}
std::cout << "Polygonized area: " << totalArea << std::endl;
std::cout << "Reference area: " << circle.Area() << std::endl;
std::cout << "Error " << fabs(totalArea-circle.Area())/circle.Area() << std::endl;
return 0;
}
static void testSetOrigin2(BView *view, BRect frame)
{
BPoint center = centerPoint(frame);
BRect r(0, 0, center.x, center.y);
view->SetOrigin(center);
view->PushState();
view->SetOrigin(BPoint(-center.x, 0));
view->FillRect(r);
view->PopState();
// black rectangle in left, bottom corner
}
static void testDrawBitmapAtPoint(BView *view, BRect frame) {
frame.InsetBy(2, 2);
BRect bounds(frame);
bounds.OffsetTo(0, 0);
bounds.right /= 2;
bounds.bottom /= 2;
BBitmap bitmap(bounds, B_RGBA32);
fillBitmap(bitmap);
view->DrawBitmap(&bitmap, centerPoint(frame));
}
static void testFillTriangleGradientConic(BView* view, BRect frame)
{
BGradientConic gradient(0, 0, 10);
gradient.AddColor(kRed, 0);
gradient.AddColor(kBlue, 255);
frame.InsetBy(2, 2);
BPoint points[3];
points[0] = BPoint(frame.left, frame.bottom);
points[1] = BPoint(centerPoint(frame).x, frame.top);
points[2] = BPoint(frame.right, frame.bottom);
view->FillTriangle(points[0], points[1], points[2], gradient);
}
static void testSetOriginAndScale(BView *view, BRect frame)
{
frame.InsetBy(2, 2);
BPoint center = centerPoint(frame);
BRect r(0, 0, frame.IntegerWidth() / 2, frame.IntegerHeight() / 2);
view->SetOrigin(center);
view->FillRect(r);
view->SetScale(0.5);
view->SetHighColor(kRed);
view->FillRect(r);
}
/**************************************************************************
* AEarthWindow :: paintWorld - paint a view of Earth from space *
**************************************************************************/
bool AEarthWindow :: computeWorld()
{
const float
xRadiusFactor[4] = {1.45, 1.55, 1.60, 1.65},
yRadiusFactor[4] = {(0.7 - 1.0/8), (0.7 - 1.0/16),
(0.7 - 1.0/32), (0.7 - 1.0/64)};
const IRectangle
psRect(rect());
/*------------------------------------------------------------------------|
| Construct the IGRect2D space to form the background of the scene. |
-------------------------------------------------------------------------*/
IGPoint2D
bottomLeftPoint(0, 0),
bottomRightPoint(psRect.width(), 0),
topLeftPoint(0, psRect.height()),
topRightPoint(psRect.width(), psRect.height());
spaceDimensions.setPoint(0, bottomLeftPoint);
spaceDimensions.setPoint(1, bottomRightPoint);
spaceDimensions.setPoint(2, topRightPoint);
spaceDimensions.setPoint(3, topLeftPoint);
/*------------------------------------------------------------------------|
| Compute the dimensions for the earthArcs. |
-------------------------------------------------------------------------*/
IGPoint2D centerPoint(psRect.width() / 2, -psRect.height() * 0.2);
int xRad, yRad;
for(int i=0;i<=atmosphereLayers;i++)
{
yRad = yRadiusFactor[i] * psRect.height();
xRad = xRadiusFactor[i] * yRad;
IGRect2D arcBoundsRect(0, 2 * yRad, 2 * xRad, 0);
arcDimensions[i].setBounds(arcBoundsRect);
arcDimensions[i].setCenter(centerPoint);
}
/*------------------------------------------------------------------------|
| Call computeStars() to compuet the dimensions for the stars. |
| Then call paintWorld() that uses all these dimensions to create the |
| objects to be painted. |
-------------------------------------------------------------------------*/
computeStars();
paintWorld();
refresh();
return true;
} /* end AEarthWindow :: paintWorld(..) */
void MScenePrivate::touchPointMirrorMousePosToPointStartPos(QTouchEvent::TouchPoint &point, const QGraphicsSceneMouseEvent *event)
{
Q_Q(MScene);
if (q->views().size() > 0) {
QPointF windowPos(q->views().at(0)->pos());
QSize resolution = MDeviceProfile::instance()->resolution();
QPointF centerPoint(resolution.width() / 2, resolution.height() / 2);
QPointF mirrorPoint = centerPoint + (centerPoint - event->screenPos() + windowPos);
point.setStartPos(mirrorPoint);
point.setStartScenePos(mirrorPoint);
point.setStartScreenPos(mirrorPoint + windowPos);
}
}
Math::BoundingBox3D PaintCellInfo::getBoundingBox(const Math::HexHeightMap& height_map) const {
Math::BoundingBox3D bounding_box;
Math::Point center_pos = centerPoint(height_map);
center_pos.setCoord(center_pos.getCoord(PaintCell::PAINT_AXIS)+PAINT_CELL_LIFT_AMOUNT, PaintCell::PAINT_AXIS);
bounding_box.setCorners(center_pos, center_pos);
for (short i = 0; i < PaintCell::CELL_VERTICES; i++) {
Math::Point p = vertexPoint(height_map, i);
p.setCoord(p.getCoord(PaintCell::PAINT_AXIS)+PAINT_CELL_LIFT_AMOUNT, PaintCell::PAINT_AXIS);
bounding_box.expandToInclude(p);
}
return bounding_box;
}
void GraphicsLayerChromium::updateLayerSize()
{
IntSize layerSize(m_size.width(), m_size.height());
if (m_transformLayer) {
m_transformLayer->setBounds(layerSize);
// The anchor of the contents layer is always at 0.5, 0.5, so the position is center-relative.
FloatPoint centerPoint(m_size.width() / 2, m_size.height() / 2);
m_layer->setPosition(centerPoint);
}
m_layer->setBounds(layerSize);
// Note that we don't resize m_contentsLayer. It's up the caller to do that.
// If we've changed the bounds, we need to recalculate the position
// of the layer, taking anchor point into account.
updateLayerPosition();
}
void PaintCellInfo::calcNormal(const Math::HexHeightMap& height_map) {
normal = Math::Point();
Math::Point center_pos = centerPoint(height_map);
for (int i = 0; i < PaintCell::CELL_VERTICES; i++) {
Math::Point vertex_point = vertexPoint(height_map, i);
Math::HexGrid::HexIndex next_vert_index = Math::HexGrid::vertexIndex(uIndex, vIndex, (i+1) % PaintCell::CELL_VERTICES);
normal += Math::Geometry::triangleNormal(center_pos,
vertexPoint(height_map, (i+1) % PaintCell::CELL_VERTICES),
vertex_point);
}
normal.normalize();
}
float LocalTransformOptimization::calculateError(LtoState& state) {
float positionError = 0;
tf::Transform cameraToHead = state.getCameraToHead();
int numOfPoints = this->measurePoints.size();
// calculate centroid
float centerX = 0, centerY = 0, centerZ = 0;
for (int i = 0; i < numOfPoints; i++) {
MeasurePoint& current = this->measurePoints[i];
//tf::Transform opicalToFixed = current.opticalToFixed(cameraToHead);
tf::Transform opicalToFixed = current.opticalToFixed(state);
tf::Vector3 transformedPoint = opicalToFixed * current.measuredPosition;
centerX += transformedPoint.getX();
centerY += transformedPoint.getY();
centerZ += transformedPoint.getZ();
}
tf::Vector3 centerPoint(centerX / numOfPoints, centerY / numOfPoints,
centerZ / numOfPoints);
// calculate marker error
this->calculateMarkerError(state, centerPoint, positionError);
// calculate ground error
float groundError = 0;
float groundAngle;
this->calculateGroundAngleError(state, groundAngle);
float groundDist;
this->calculateGroundDistanceError(state, groundDist);
groundError = groundAngle + groundDist; // cout << "groundAngle " << groundAngle << " groundDist " << groundDist << "\n";
return parameter.getMarkerWeight() * positionError
+ parameter.getGroundWeight() * groundError;
// return error + fabs(fabs(d) - 0.02)
// + fabs(tf::Vector3(a, b, c).normalized().angle(tf::Vector3(0, 0, 1)));
// return error + roll + pitch;
// return d * d
// + tf::Vector3(a, b, c).normalized().angle(tf::Vector3(0, 0, 1))
// * tf::Vector3(a, b, c).normalized().angle(
// tf::Vector3(0, 0, 1));
}
void FormEditorItem::setAttentionScale(double sinusScale)
{
if (!qFuzzyIsNull(sinusScale)) {
double scale = std::sqrt(sinusScale);
m_attentionTransform.reset();
QPointF centerPoint(qmlItemNode().instanceBoundingRect().center());
m_attentionTransform.translate(centerPoint.x(), centerPoint.y());
m_attentionTransform.scale(scale * 0.15 + 1.0, scale * 0.15 + 1.0);
m_attentionTransform.translate(-centerPoint.x(), -centerPoint.y());
m_inverseAttentionTransform = m_attentionTransform.inverted();
prepareGeometryChange();
setTransform(qmlItemNode().instanceTransform());
setTransform(m_attentionTransform, true);
} else {
m_attentionTransform.reset();
prepareGeometryChange();
setTransform(qmlItemNode().instanceTransform());
}
}
void ScaledPixmap::paintEvent(QPaintEvent* event)
{
QPainter painter(this);
if (!m_pixmap.isNull())
{
QPoint centerPoint(0, 0);
QSize scaledSize = overscaleEnabled() ? size() : (fitsToScreen(size()) ? m_originalSize : size());
QPixmap scaledPixmap = m_pixmap.scaled(scaledSize, m_keepAspectRatio ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio);
centerPoint.setX((size().width() - scaledPixmap.width()) / 2);
centerPoint.setY((size().height() - scaledPixmap.height()) / 2);
painter.drawPixmap(centerPoint, scaledPixmap);
}
QLabel::paintEvent(event);
}
static void testSetOrigin(BView *view, BRect frame)
{
BPoint origin = view->Origin();
BPoint center = centerPoint(frame);
view->SetOrigin(center);
BRect r(0, 0, center.x, center.y);
view->SetHighColor(kBlue);
view->FillRect(r);
view->SetOrigin(origin);
view->SetHighColor(kRed);
view->FillRect(r);
// red rectangle in left, top corner
// blue rectangle in right, bottom corner
// the red rectangle overwrites the
// top, left pixel of the blue rectangle
}
Box3d
Circle3d::bounds() const {
double nx2 = normalVector().x() * normalVector().x();
double ny2 = normalVector().y() * normalVector().y();
double nz2 = normalVector().z() * normalVector().z();
double dx = radius() * sqrt(ny2 + nz2);
double dy = radius() * sqrt(nx2 + nz2);
double dz = radius() * sqrt(nx2 + ny2);
return Box3d(
Interval(centerPoint().x() - dx, centerPoint().x() + dx),
Interval(centerPoint().y() - dy, centerPoint().y() + dy),
Interval(centerPoint().z() - dz, centerPoint().z() + dz)
);
}
QList<Point> ChartLine::getPoints()
{
if (numberOfPoints == 0)
return QList<Point>();
QList<Point> points;
//points.reserve(numberOfPoints);
if (fabs(angle) < EPS_ZERO)
{
double dx = (end.x - start.x) / (numberOfPoints - 1);
double dy = (end.y - start.y) / (numberOfPoints - 1);
for (int i = 0; i < numberOfPoints; i++)
if (reverse)
points.insert(0, Point(start.x + i*dx, start.y + i*dy));
else
points.append(Point(start.x + i*dx, start.y + i*dy));
}
else
{
Point center = centerPoint(start, end, angle);
double radius = (start - center).magnitude();
double startAngle = atan2(center.y - start.y, center.x - start.x) / M_PI*180 - 180;
double theta = angle / double(numberOfPoints - 1);
for (int i = 0; i < numberOfPoints; i++)
{
double arc = (startAngle + i*theta)/180.0*M_PI;
double x = radius * cos(arc);
double y = radius * sin(arc);
if (reverse)
points.insert(0, Point(center.x + x, center.y + y));
else
points.append(Point(center.x + x, center.y + y));
}
}
return points;
}
