/usr/include/oce/Vrml_LOD.hxx is in liboce-visualization-dev 0.17.1-1.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Vrml_LOD_HeaderFile
#define _Vrml_LOD_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineHandle.hxx>
#include <Handle_Vrml_LOD.hxx>
#include <Handle_TColStd_HArray1OfReal.hxx>
#include <gp_Vec.hxx>
#include <Standard_Boolean.hxx>
#include <MMgt_TShared.hxx>
#include <Standard_OStream.hxx>
class TColStd_HArray1OfReal;
class gp_Vec;
//! defines a LOD (level of detailization) node of VRML specifying properties
//! of geometry and its appearance.
//! This group node is used to allow applications to switch between
//! various representations of objects automatically. The children of this
//! node typically represent the same object or objects at the varying
//! of Levels Of Detail (LOD), from highest detail to lowest.
//!
//! The specified center point of the LOD is transformed by current
//! transformation into world space, and yhe distancefrom the transformed
//! center to the world-space eye point is calculated.
//! If thedistance is less than the first value in the ranges array,
//! than the first child of the LOD group is drawn. If between
//! the first and second values in the range array, the second child
//! is drawn, etc.
//! If there are N values in the range array, the LOD group should
//! have N+1 children.
//! Specifying too few children will result in the last child being
//! used repeatedly for the lowest lewels of detail; if too many children
//! are specified, the extra children w ll be ignored.
//! Each value in the ranges array should be greater than the previous
//! value, otherwise results are undefined.
class Vrml_LOD : public MMgt_TShared
{
public:
Standard_EXPORT Vrml_LOD();
Standard_EXPORT Vrml_LOD(const Handle(TColStd_HArray1OfReal)& aRange, const gp_Vec& aCenter);
Standard_EXPORT void SetRange (const Handle(TColStd_HArray1OfReal)& aRange) ;
Standard_EXPORT Handle(TColStd_HArray1OfReal) Range() const;
Standard_EXPORT void SetCenter (const gp_Vec& aCenter) ;
Standard_EXPORT gp_Vec Center() const;
Standard_EXPORT Standard_OStream& Print (Standard_OStream& anOStream) const;
DEFINE_STANDARD_RTTI(Vrml_LOD)
protected:
private:
Handle(TColStd_HArray1OfReal) myRange;
gp_Vec myCenter;
Standard_Boolean myRangeFlag;
};
#endif // _Vrml_LOD_HeaderFile
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