defines IGESPerspectiveView, Type <410> Form <1>
in package IGESDraw

#include <IGESDraw_PerspectiveView.hxx>

Inheritance diagram for IGESDraw_PerspectiveView:

Public Member Functions
	IGESDraw_PerspectiveView ()
void	Init (const Standard_Integer aViewNumber, const Standard_Real aScaleFactor, const gp_XYZ &aViewNormalVector, const gp_XYZ &aViewReferencePoint, const gp_XYZ &aCenterOfProjection, const gp_XYZ &aViewUpVector, const Standard_Real aViewPlaneDistance, const gp_XY &aTopLeft, const gp_XY &aBottomRight, const Standard_Integer aDepthClip, const Standard_Real aBackPlaneDistance, const Standard_Real aFrontPlaneDistance)
	This method is used to set the fields of the class PerspectiveView
Standard_Boolean	IsSingle () const
	Returns True (for a single view)
Standard_Integer	NbViews () const
	Returns 1 (single view)
Handle_IGESData_ViewKindEntity	ViewItem (const Standard_Integer num) const
	For a single view, returns <me> whatever <num>
Standard_Integer	ViewNumber () const
	returns the view number associated with <me>
Standard_Real	ScaleFactor () const
	returns the scale factor associated with <me>
gp_Vec	ViewNormalVector () const
	returns the View plane normal vector (model space)
gp_Pnt	ViewReferencePoint () const
	returns the View reference point (model space)
gp_Pnt	CenterOfProjection () const
	returns the Center Of Projection (model space)
gp_Vec	ViewUpVector () const
	returns the View up vector (model space)
Standard_Real	ViewPlaneDistance () const
	returns the View plane distance (model space)
gp_Pnt2d	TopLeft () const
	returns the top left point of the clipping window
gp_Pnt2d	BottomRight () const
	returns the bottom right point of the clipping window
Standard_Integer	DepthClip () const
	returns the Depth clipping indicator 0 = No depth clipping 1 = Back clipping plane ON 2 = Front clipping plane ON 3 = Back and front clipping planes ON
Standard_Real	BackPlaneDistance () const
	returns the View coordinate denoting the location of the back clipping plane
Standard_Real	FrontPlaneDistance () const
	returns the View coordinate denoting the location of the front clipping plane
Handle_IGESData_TransfEntity	ViewMatrix () const
	returns the Transformation Matrix
gp_XYZ	ModelToView (const gp_XYZ &coords) const
	returns XYX from the Model space to the View space by applying the View Matrix

Constructor & Destructor Documentation

IGESDraw_PerspectiveView::IGESDraw_PerspectiveView ( )

Member Function Documentation

Standard_Real IGESDraw_PerspectiveView::BackPlaneDistance ( ) const

gp_Pnt2d IGESDraw_PerspectiveView::BottomRight ( ) const

gp_Pnt IGESDraw_PerspectiveView::CenterOfProjection ( ) const

Standard_Integer IGESDraw_PerspectiveView::DepthClip ( ) const

Standard_Real IGESDraw_PerspectiveView::FrontPlaneDistance ( ) const

void IGESDraw_PerspectiveView::Init	(	const Standard_Integer	aViewNumber,
		const Standard_Real	aScaleFactor,
		const gp_XYZ &	aViewNormalVector,
		const gp_XYZ &	aViewReferencePoint,
		const gp_XYZ &	aCenterOfProjection,
		const gp_XYZ &	aViewUpVector,
		const Standard_Real	aViewPlaneDistance,
		const gp_XY &	aTopLeft,
		const gp_XY &	aBottomRight,
		const Standard_Integer	aDepthClip,
		const Standard_Real	aBackPlaneDistance,
		const Standard_Real	aFrontPlaneDistance
	)

aViewNumber : The desired view
aScaleFactor : Scale factor
aViewNormalVector : View plane normal vector (model space)
aViewReferencePoint : View reference point (model space)
aCenterOfProjection : Center Of Projection (model space)
aViewUpVector : View up vector (model space)
aViewPlaneDistance : View plane distance (model space)
aTopLeft : Top-left point of clipping window
aBottomRight : Bottom-right point of clipping window
aDepthClip : Depth clipping indicator
aBackPlaneDistance : Distance of back clipping plane
aFrontPlaneDistance : Distance of front clipping plane