Gabriele Cosmo
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: geomdefs.hh,v 1.1.8.1 1999/12/07 20:47:57 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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// Constants, typedefs, enums for Geometry Section
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//
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// History:
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// 30.06.95 P.Kent
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#ifndef GEOMDEFS_HH
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#define GEOMDEFS_HH
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#include "globals.hh"
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// `Infinity' - Distance returned for no intersection etc.
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const G4double kInfinity = 9E99;
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// Thickness of shapes for Inside function / tracking.
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// Should be greater than largest math error from the shape
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// distance calculation routines.
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// Tolerance is centred on surface: Inside routine uses a
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// tolerance dx +/- kTol/2
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// Note: values not `tuned', and because of approximations kRadtolerance and
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// kAngTolerance may not always be used as an exact radius
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const G4double kCarTolerance = 1E-9;
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const G4double kRadTolerance = 1E-9;
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const G4double kAngTolerance = 1E-9;
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// Define axes for function params etc.
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// X/Y/ZAxis = Normal Catesian axes
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// Radial2D = Radial axis in cylindrical polar
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// Radial3D = Radial axis in spherical polar
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enum EAxis {kXAxis,kYAxis,kZAxis,kRadial2D,kRadial3D};
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// VShape::Inside routine return codes
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// kSurface => within tolerance of exact surface
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enum EInside {kOutside,kSurface,kInside};
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#endif
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