Gabriele Cosmo
190 lines
4.5 KiB
C++
190 lines
4.5 KiB
C++
//
|
|
// ********************************************************************
|
|
// * DISCLAIMER *
|
|
// * *
|
|
// * The following disclaimer summarizes all the specific disclaimers *
|
|
// * of contributors to this software. The specific disclaimers,which *
|
|
// * govern, are listed with their locations in: *
|
|
// * http://cern.ch/geant4/license *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. *
|
|
// * *
|
|
// * This code implementation is the intellectual property of the *
|
|
// * GEANT4 collaboration. *
|
|
// * By copying, distributing or modifying the Program (or any work *
|
|
// * based on the Program) you indicate your acceptance of this *
|
|
// * statement, and all its terms. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4SolidExtentList.cc,v 1.3 2002/10/28 11:47:53 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-05-01 $
|
|
//
|
|
//
|
|
// --------------------------------------------------------------------
|
|
// GEANT 4 class source file
|
|
//
|
|
//
|
|
// G4SolidExtentList.cc
|
|
//
|
|
// Implementation of a list of (voxel) extents along one axis
|
|
//
|
|
// --------------------------------------------------------------------
|
|
|
|
#include "G4SolidExtentList.hh"
|
|
#include "G4VoxelLimits.hh"
|
|
|
|
|
|
//
|
|
// Constructor (default)
|
|
//
|
|
G4SolidExtentList::G4SolidExtentList()
|
|
{
|
|
axis = kZAxis;
|
|
limited = false;
|
|
minLimit = -DBL_MAX;
|
|
maxLimit = +DBL_MAX;
|
|
}
|
|
|
|
|
|
//
|
|
// Constructor (limited case)
|
|
//
|
|
G4SolidExtentList::G4SolidExtentList( const EAxis targetAxis,
|
|
const G4VoxelLimits &voxelLimits )
|
|
{
|
|
axis = targetAxis;
|
|
|
|
limited = voxelLimits.IsLimited( axis );
|
|
if (limited)
|
|
{
|
|
minLimit = voxelLimits.GetMinExtent( axis );
|
|
maxLimit = voxelLimits.GetMaxExtent( axis );
|
|
}
|
|
else
|
|
{
|
|
minLimit = -DBL_MAX;
|
|
maxLimit = +DBL_MAX;
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// Destructor
|
|
//
|
|
G4SolidExtentList::~G4SolidExtentList()
|
|
{
|
|
}
|
|
|
|
|
|
//
|
|
// AddSurface
|
|
//
|
|
//
|
|
void G4SolidExtentList::AddSurface( const G4ClippablePolygon &surface )
|
|
{
|
|
//
|
|
// Keep track of four surfaces
|
|
//
|
|
G4double min, max;
|
|
|
|
surface.GetExtent( axis, min, max );
|
|
|
|
if (min > maxLimit)
|
|
{
|
|
//
|
|
// Nearest surface beyond maximum limit
|
|
//
|
|
if (surface.InFrontOf(minAbove,axis)) minAbove = surface;
|
|
}
|
|
else if (max < minLimit)
|
|
{
|
|
//
|
|
// Nearest surface below minimum limit
|
|
//
|
|
if (surface.BehindOf(maxBelow,axis)) maxBelow = surface;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Max and min surfaces inside
|
|
//
|
|
if (surface.BehindOf(maxSurface,axis)) maxSurface = surface;
|
|
if (surface.InFrontOf(minSurface,axis)) minSurface = surface;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
//
|
|
// GetExtent
|
|
//
|
|
// Return extent after processing all surfaces
|
|
//
|
|
G4bool G4SolidExtentList::GetExtent( G4double &min, G4double &max ) const
|
|
{
|
|
//
|
|
// Did we have any surfaces within the limits?
|
|
//
|
|
if (minSurface.Empty())
|
|
{
|
|
//
|
|
// Nothing! Do we have anything above?
|
|
//
|
|
if (minAbove.Empty()) return false;
|
|
|
|
//
|
|
// Yup. Is it facing inwards?
|
|
//
|
|
if (minAbove.GetNormal().operator()(axis) < 0) return false;
|
|
|
|
//
|
|
// No. We must be entirely within the solid
|
|
//
|
|
max = maxLimit + kCarTolerance;
|
|
min = minLimit - kCarTolerance;
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Check max surface
|
|
//
|
|
if (maxSurface.GetNormal().operator()(axis) < 0)
|
|
{
|
|
//
|
|
// Inward facing: max limit must be embedded within solid
|
|
//
|
|
max = maxLimit + kCarTolerance;
|
|
}
|
|
else
|
|
{
|
|
G4double sMin, sMax;
|
|
maxSurface.GetExtent( axis, sMin, sMax );
|
|
max = ( (sMax > maxLimit) ? maxLimit : sMax ) + kCarTolerance;
|
|
}
|
|
|
|
//
|
|
// Check min surface
|
|
//
|
|
if (minSurface.GetNormal().operator()(axis) > 0)
|
|
{
|
|
//
|
|
// Inward facing: max limit must be embedded within solid
|
|
//
|
|
min = minLimit - kCarTolerance;
|
|
}
|
|
else
|
|
{
|
|
G4double sMin, sMax;
|
|
minSurface.GetExtent( axis, sMin, sMax );
|
|
min = ( (sMin < minLimit) ? minLimit : sMin ) - kCarTolerance;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|