FourPointPlaneBounds Class Reference

#include <FourPointPlaneBounds.h>

Inheritance diagram for FourPointPlaneBounds:

Public Types
typedef LocalPoint::ScalarType	Scalar

Public Member Functions
virtual Bounds *	clone () const
	FourPointPlaneBounds (const LocalPoint &a, const LocalPoint &b, const LocalPoint &c, const LocalPoint &d)
virtual bool	inside (const Local3DPoint &lp) const
	Determine if the point is inside the bounds. More...
virtual bool	inside (const Local3DPoint &lp, const LocalError &e, float scale) const
	Determine if a point is inside the bounds, taking error into account. More...
virtual float	length () const
virtual float	thickness () const
virtual float	width () const
	~FourPointPlaneBounds ()
Public Member Functions inherited from Bounds
virtual bool	inside (const Local2DPoint &p) const
virtual bool	inside (const Local2DPoint &p, const LocalError &err, float scale=1.f) const
	Determine if a 2D point is inside the bounds, taking error into account. More...
virtual float	widthAtHalfLength () const
	Width at half length. Useful for e.g. pitch definition. More...
virtual	~Bounds ()

Private Member Functions
double	checkSide (int i, const Local2DPoint &lp) const
double	checkSide (int i, Scalar x, Scalar y) const
const Local2DPoint &	corner (int i) const

Private Attributes
Local2DPoint	corners_ [4]

Detailed Description

Definition at line 10 of file FourPointPlaneBounds.h.

Member Typedef Documentation

typedef LocalPoint::ScalarType FourPointPlaneBounds::Scalar

Definition at line 13 of file FourPointPlaneBounds.h.

Constructor & Destructor Documentation

FourPointPlaneBounds::FourPointPlaneBounds	(	const LocalPoint &	a,
		const LocalPoint &	b,
		const LocalPoint &	c,
		const LocalPoint &	d
	)

The corners are ASSUMED to come in cyclic order

Definition at line 8 of file FourPointPlaneBounds.cc.

References checkSide(), corner(), corners_, gather_cfg::cout, i, std::swap(), PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by clone().

                                                                  {
    corners_[0] = Local2DPoint( a.x(), a.y());
    corners_[1] = Local2DPoint( b.x(), b.y());
    corners_[2] = Local2DPoint( c.x(), c.y());
    corners_[3] = Local2DPoint( d.x(), d.y());

// check for convexity
    for (int i=0; i<4; ++i) {
    if (checkSide( i, corner(i+2)) *  checkSide( i, corner(i+3)) < 0) { // not on same side
        throw GeometryError("FourPointPlaneBounds: coners not in order or not convex");
    }
    }

    double side = checkSide( 0, corners_[2]); // - for clockwise corners, + for counterclockwise
    if (side < 0) {
    std::cout << "FourPointPlaneBounds: Changing order of corners to counterclockwise" << std::endl;
    std::swap( corners_[1], corners_[3]);
    }
}

FourPointPlaneBounds::~FourPointPlaneBounds ( )

inline

Definition at line 19 of file FourPointPlaneBounds.h.

{}

Member Function Documentation

double FourPointPlaneBounds::checkSide ( int  i, const Local2DPoint &  lp  ) const

private

Definition at line 29 of file FourPointPlaneBounds.cc.

References PV2DBase< T, PVType, FrameType >::x(), and PV2DBase< T, PVType, FrameType >::y().

Referenced by FourPointPlaneBounds(), and inside().

                                                                           {
    return checkSide(i, lp.x(), lp.y());
}

double FourPointPlaneBounds::checkSide ( int  i, Scalar  x, Scalar  y  ) const

inlineprivate

Definition at line 41 of file FourPointPlaneBounds.h.

References corner(), v, PV2DBase< T, PVType, FrameType >::x(), and PV2DBase< T, PVType, FrameType >::y().

                                                       {
    const Local2DPoint& cor( corner(i));
    Local2DVector v( corner(i+1) - cor);
    // Local2DVector normal( -v.y(), v.x());  //  90 deg rotated
    return -v.y() * (x-cor.x()) + v.x() * (y-cor.y()); // == normal.dot(LP(x,y)-cor))
    }

virtual Bounds* FourPointPlaneBounds::clone ( void  ) const

inlinevirtual

Implements Bounds.

Definition at line 32 of file FourPointPlaneBounds.h.

References FourPointPlaneBounds().

{return new FourPointPlaneBounds(*this);}

const Local2DPoint& FourPointPlaneBounds::corner ( int  i ) const

inlineprivate

Definition at line 38 of file FourPointPlaneBounds.h.

References corners_.

Referenced by checkSide(), and FourPointPlaneBounds().

{return corners_[i%4];}

bool FourPointPlaneBounds::inside ( const Local3DPoint &  ) const

virtual

Determine if the point is inside the bounds.

Implements Bounds.

Definition at line 33 of file FourPointPlaneBounds.cc.

References checkSide(), i, PV3DBase< T, PVType, FrameType >::x(), and PV3DBase< T, PVType, FrameType >::y().

Referenced by inside().

{
    for (int i=0; i<4; ++i) {
    if (checkSide(i,lp.x(),lp.y()) < 0) return false;
    }
    return true;
}

virtual bool FourPointPlaneBounds::inside ( const Local3DPoint &  , const LocalError &  , float  scale  ) const

inlinevirtual

Determine if a point is inside the bounds, taking error into account.

Implements Bounds.

Definition at line 28 of file FourPointPlaneBounds.h.

References inside().

                                                                                          {
      return inside( lp);
    }

float FourPointPlaneBounds::length ( ) const

virtual

"Lenght" of the bounded volume; refer to the concrete class documentation for the specific definition.

Implements Bounds.

Definition at line 41 of file FourPointPlaneBounds.cc.

{return 0;}

float FourPointPlaneBounds::thickness ( ) const

virtual

"Thickness" of the bound around the surface; refer to the concrete class documentation for the specific definition.

Implements Bounds.

Definition at line 43 of file FourPointPlaneBounds.cc.

{return 0;}

float FourPointPlaneBounds::width ( ) const

virtual

"width" of the bounds; refer to the concrete class documentation for the specific definition.

Implements Bounds.

Definition at line 42 of file FourPointPlaneBounds.cc.

Referenced by python.Vispa.Main.MainWindow.MainWindow::_saveIni(), python.Vispa.Gui.ConnectableWidget.ConnectableWidget::drawPortNames(), python.Vispa.Gui.ConnectableWidget.ConnectableWidget::positionizeMenuWidget(), python.Vispa.Views.PropertyView.PropertyView::resizeEvent(), python.Vispa.Views.PropertyView.PropertyView::sectionResized(), and python.Vispa.Main.MainWindow.MainWindow::updateStartupScreenGeometry().

{return 0;}

Member Data Documentation

Local2DPoint FourPointPlaneBounds::corners_[4]

private

Definition at line 36 of file FourPointPlaneBounds.h.

Referenced by corner(), and FourPointPlaneBounds().