BoundingBox Class Reference

#include <BoundingBox.h>

List of all members.

Public Member Functions
	BoundingBox ()
	BoundingBox (const BoundPlane &plane)
GlobalPoint const &	corner (unsigned int i) const
GlobalPoint const &	operator[] (unsigned int i) const
Static Public Member Functions
static std::vector< GlobalPoint >	corners (const BoundPlane &)
Private Attributes
GlobalPoint	m_corners [8]

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Detailed Description

A helper class that returns the corners of a rectangle that fully contains a bound plane.

Definition at line 12 of file BoundingBox.h.

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Constructor & Destructor Documentation

BoundingBox::BoundingBox

(

)

[inline]

Definition at line 15 of file BoundingBox.h.

{}

BoundingBox::BoundingBox

(

const BoundPlane &

plane

)

Definition at line 6 of file BoundingBox.cc.

References BoundSurface::bounds(), Bounds::length(), m_corners, Bounds::thickness(), Surface::toGlobal(), and Bounds::width().

                                                {
 float hLen = plane.bounds().length() / 2;
 float hWid = plane.bounds().width() / 2;
 float hThick = plane.bounds().thickness() / 2;

  m_corners[0]  = plane.toGlobal( LocalPoint( hWid, hLen, hThick));
  m_corners[1]  = plane.toGlobal( LocalPoint( hWid, hLen,-hThick));
  m_corners[2]  = plane.toGlobal( LocalPoint( hWid,-hLen, hThick));
  m_corners[3]  = plane.toGlobal( LocalPoint( hWid,-hLen,-hThick));
  m_corners[4]  = plane.toGlobal( LocalPoint(-hWid, hLen, hThick));
  m_corners[5]  = plane.toGlobal( LocalPoint(-hWid, hLen,-hThick));
  m_corners[6]  = plane.toGlobal( LocalPoint(-hWid,-hLen, hThick));
  m_corners[7]  = plane.toGlobal( LocalPoint(-hWid,-hLen,-hThick));
 
}

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Member Function Documentation

GlobalPoint const& BoundingBox::corner

(

unsigned int

i

)

const [inline]

Definition at line 25 of file BoundingBox.h.

References i, and m_corners.

                                                   {
    return  m_corners[i];
  }

std::vector< GlobalPoint > BoundingBox::corners

(

const BoundPlane &

plane

)

[static]

Definition at line 24 of file BoundingBox.cc.

References BoundSurface::bounds(), Bounds::length(), query::result, Bounds::thickness(), Surface::toGlobal(), and Bounds::width().

Referenced by NavVolume6Faces::computeBounds(), PlaneBuilderForGluedDet::computeRectBounds(), BarrelDetLayer::computeSurface(), ForwardDetLayer::computeSurface(), and PhiBorderFinder::PhiBorderFinder().

{
   std::vector<GlobalPoint> result;
   result.reserve(8);

  float hLen = plane.bounds().length() / 2;
  float hWid = plane.bounds().width() / 2;
  float hThick = plane.bounds().thickness() / 2;
  
  result.push_back( plane.toGlobal( LocalPoint( hWid, hLen, hThick)));
  result.push_back( plane.toGlobal( LocalPoint( hWid, hLen,-hThick)));
  result.push_back( plane.toGlobal( LocalPoint( hWid,-hLen, hThick)));
  result.push_back( plane.toGlobal( LocalPoint( hWid,-hLen,-hThick)));
  result.push_back( plane.toGlobal( LocalPoint(-hWid, hLen, hThick)));
  result.push_back( plane.toGlobal( LocalPoint(-hWid, hLen,-hThick)));
  result.push_back( plane.toGlobal( LocalPoint(-hWid,-hLen, hThick)));
  result.push_back( plane.toGlobal( LocalPoint(-hWid,-hLen,-hThick)));

  return result;
}

GlobalPoint const& BoundingBox::operator[]

(

unsigned int

i

)

const [inline]

Definition at line 22 of file BoundingBox.h.

References i, and m_corners.

                                                       {
    return  m_corners[i];
  }

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Member Data Documentation

GlobalPoint BoundingBox::m_corners[8] [private]

Definition at line 33 of file BoundingBox.h.

Referenced by BoundingBox(), corner(), and operator[]().