VisualizationInterfaces Interface CATI3DCamera
Usage: an implementation of this interface is supplied and you must use it as is. You should not reimplement it.
interface CATI3DCamera
Interface to make 3D viewpoint persistent.
Role:
This interface class provides the prototype of methods to manage
the parameters of 3D camera.
- See also:
- ,
Method Index
- o
GetDirection()
- Returns the sight direction of a 3D camera.
- o
GetOrigin()
- Returns the origin (eye position) of a 3D camera.
- o
GetTarget()
- Returns the target point of a 3D camera.
- o
GetViewAngle()
- Returns the view angle of a 3D conic camera.
- o
GetZenith()
- Returns the up direction of a 3D camera.
- o
GetZoom()
- Returns the zoom value of a 3D cylindric camera.
- o
SetDirection(CATMathDirection)
- Changes the sight direction of a 3D camera.
- o
SetOrigin(CATMathPoint)
- Changes the origin of 3D camera.
- o
SetTarget(CATMathPoint)
- Changes the target point of a 3D camera.
- o
SetType(CATCameraType)
- Changes the type of a 3D camera.
- o
SetViewAngle(CATAngle)
- Changes the view angle of a 3D conic camera.
- o
SetZenith(CATMathDirection)
- Changes the up direction of a 3D camera.
- o
SetZoom(double)
- Changes the zoom value of a 3D cylindric camera.
Methods
o GetDirection
| public virtual GetDirection( | ) |
-
Returns the sight direction of a 3D camera.
o GetOrigin
| public virtual GetOrigin( | ) |
-
Returns the origin (eye position) of a 3D camera.
o GetTarget
| public virtual GetTarget( | ) |
-
Returns the target point of a 3D camera.
o GetViewAngle
| public virtual GetViewAngle( | ) |
-
Returns the view angle of a 3D conic camera.
It is the half of the vertical vision field angle (in degrees).
- See also:
-
o GetZenith
| public virtual GetZenith( | ) |
-
Returns the up direction of a 3D camera.
o GetZoom
-
Returns the zoom value of a 3D cylindric camera.
o SetDirection
| public virtual SetDirection( | | iDirection) |
-
Changes the sight direction of a 3D camera.
It results a rotation of the camera around it's origin.
- Parameters:
-
- iDirection
- New sight direction of the camera.
This direction must be perpendicular to the up direction.
o SetOrigin
| public virtual SetOrigin( | | iOrigin) |
-
Changes the origin of 3D camera.
It results a translation of the camera.
- Parameters:
-
- iOrigin
- New position of the camera origin.
o SetTarget
| public virtual SetTarget( | | iTarget) |
-
Changes the target point of a 3D camera.
It results a change of the camera sight direction.
- Parameters:
-
- iTarget
- New target point of the camera.
o SetType
| public virtual SetType( | | iCameraType) |
-
Changes the type of a 3D camera.
- Parameters:
-
- iCameraType
- New camera type.
Legal values:
- CAT3DConicCamera for a 3D perspective projection
- CAT3DCylindricCamera for a 3D parallel projection
.
- CAT3DUnknownCamera for any type of 3D projection
- See also:
-
o SetViewAngle
| public virtual SetViewAngle( | | iViewAngle) |
-
Changes the view angle of a 3D conic camera.
- Parameters:
-
- iViewAngle
- New view angle of the camera.
It is the half of the vertical vision field angle (in degrees).
- See also:
-
o SetZenith
| public virtual SetZenith( | | iZenith) |
-
Changes the up direction of a 3D camera.
It results a rotation of the camera around it's sight direction.
- Parameters:
-
- iZenith
- New up direction of the camera.
This direction must be perpendicular to the sight direction.
o SetZoom
| public virtual SetZoom( | | iZoom) |
-
Changes the zoom value of a 3D cylindric camera.
- Parameters:
-
- iZoom
- New zoom value of the camera. This value must be >=0
This object is included in the file: CATI3DCamera.h
If needed, your Imakefile.mk should include the module: CATVisItf
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