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vtkViewport Class Reference
#include <vtkViewport.h>
Inheritance diagram for vtkViewport:
[legend]Collaboration diagram for vtkViewport:
[legend]List of all members.
Detailed Description
abstract specification for Viewports
- Date:
-
2002/12/26 18:24:22
- Revision:
-
1.40
vtkViewport provides an abstract specification for Viewports. A Viewport is an object that controls the rendering process for objects. Rendering is the process of converting geometry, a specification for lights, and a camera view into an image. vtkViewport also performs coordinate transformation between world coordinates, view coordinates (the computer graphics rendering coordinate system), and display coordinates (the actual screen coordinates on the display device). Certain advanced rendering features such as two-sided lighting can also be controlled.
- See also:
-
vtkWindow vtkImager vtkRenderer
- Created by:
-
- CVS contributions (if > 5%):
-
- Martin, Ken (50%)
- Schroeder, Will (20%)
- Turek, Matt (8%)
- CVS logs (CVSweb):
-
- .
cxx
(/Common/vtkViewport.cxx)
- .
h
(/Common/vtkViewport.h)
- Tests:
-
vtkViewport (Tests)
Definition at line 61 of file vtkViewport.h.
|
Public Types |
typedef vtkObject | Superclass |
Public Methods |
virtual const char * | GetClassName () |
virtual int | IsA (const char *type) |
void | PrintSelf (ostream &os, vtkIndent indent) |
void | AddProp (vtkProp *) |
vtkPropCollection * | GetProps () |
void | RemoveProp (vtkProp *) |
void | RemoveAllProps (void) |
virtual float * | GetCenter () |
virtual int | IsInViewport (int x, int y) |
virtual vtkWindow * | GetVTKWindow ()=0 |
void | SetStartRenderMethod (void(*f)(void *), void *arg) |
void | SetEndRenderMethod (void(*f)(void *), void *arg) |
void | SetStartRenderMethodArgDelete (void(*f)(void *)) |
void | SetEndRenderMethodArgDelete (void(*f)(void *)) |
virtual void | DisplayToView () |
virtual void | ViewToDisplay () |
virtual void | WorldToView () |
virtual void | ViewToWorld () |
void | DisplayToWorld () |
void | WorldToDisplay () |
virtual vtkAssemblyPath * | PickProp (float selectionX, float selectionY)=0 |
virtual float | GetPickedZ ()=0 |
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void | AddActor2D (vtkProp *p) |
void | RemoveActor2D (vtkProp *p) |
vtkActor2DCollection * | GetActors2D () |
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virtual void | SetBackground (float, float, float) |
virtual void | SetBackground (float[3]) |
virtual float * | GetBackground () |
virtual void | GetBackground (float data[3]) |
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virtual void | SetAspect (float, float) |
void | SetAspect (float[2]) |
virtual float * | GetAspect () |
virtual void | GetAspect (float data[2]) |
void | ComputeAspect () |
|
virtual void | SetPixelAspect (float, float) |
void | SetPixelAspect (float[2]) |
virtual float * | GetPixelAspect () |
virtual void | GetPixelAspect (float data[2]) |
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virtual void | SetViewport (float, float, float, float) |
virtual void | SetViewport (float[4]) |
virtual float * | GetViewport () |
virtual void | GetViewport (float data[4]) |
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virtual void | SetDisplayPoint (float, float, float) |
virtual void | SetDisplayPoint (float[3]) |
virtual float * | GetDisplayPoint () |
virtual void | GetDisplayPoint (float data[3]) |
void | GetDisplayPoint (double a[3]) |
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virtual void | SetViewPoint (float, float, float) |
virtual void | SetViewPoint (float[3]) |
virtual float * | GetViewPoint () |
virtual void | GetViewPoint (float data[3]) |
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virtual void | SetWorldPoint (float, float, float, float) |
virtual void | SetWorldPoint (float[4]) |
virtual float * | GetWorldPoint () |
virtual void | GetWorldPoint (float data[4]) |
void | GetWorldPoint (double a[4]) |
|
virtual void | LocalDisplayToDisplay (float &x, float &y) |
virtual void | DisplayToNormalizedDisplay (float &u, float &v) |
virtual void | NormalizedDisplayToViewport (float &x, float &y) |
virtual void | ViewportToNormalizedViewport (float &u, float &v) |
virtual void | NormalizedViewportToView (float &x, float &y, float &z) |
virtual void | ViewToWorld (float &, float &, float &) |
virtual void | DisplayToLocalDisplay (float &x, float &y) |
virtual void | NormalizedDisplayToDisplay (float &u, float &v) |
virtual void | ViewportToNormalizedDisplay (float &x, float &y) |
virtual void | NormalizedViewportToViewport (float &u, float &v) |
virtual void | ViewToNormalizedViewport (float &x, float &y, float &z) |
virtual void | WorldToView (float &, float &, float &) |
|
int * | GetSize () |
int * | GetOrigin () |
void | GetTiledSize (int *width, int *height) |
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vtkAssemblyPath * | PickPropFrom (float selectionX, float selectionY, vtkPropCollection *) |
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virtual float | GetPickX () |
virtual float | GetPickY () |
virtual int | GetIsPicking () |
Static Public Methods |
int | IsTypeOf (const char *type) |
vtkViewport * | SafeDownCast (vtkObject *o) |
Protected Methods |
| vtkViewport () |
| ~vtkViewport () |
virtual void | DevicePickRender ()=0 |
virtual void | StartPick (unsigned int pickFromSize)=0 |
virtual void | UpdatePickId ()=0 |
virtual void | DonePick ()=0 |
virtual unsigned int | GetPickedId ()=0 |
Protected Attributes |
vtkAssemblyPath * | PickedProp |
vtkPropCollection * | PickFromProps |
int | IsPicking |
unsigned int | CurrentPickId |
float | PickX |
float | PickY |
vtkPropCollection * | Props |
vtkActor2DCollection * | Actors2D |
vtkWindow * | VTKWindow |
float | Background [3] |
float | Viewport [4] |
float | Aspect [2] |
float | PixelAspect [2] |
float | Center [2] |
unsigned long | StartTag |
unsigned long | EndTag |
int | Size [2] |
int | Origin [2] |
float | DisplayPoint [3] |
float | ViewPoint [3] |
float | WorldPoint [4] |
Member Typedef Documentation
Constructor & Destructor Documentation
vtkViewport::vtkViewport |
( |
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) |
[protected] |
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vtkViewport::~vtkViewport |
( |
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) |
[protected] |
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Member Function Documentation
virtual const char* vtkViewport::GetClassName |
( |
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) |
[virtual] |
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int vtkViewport::IsTypeOf |
( |
const char * |
type |
) |
[static] |
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Return 1 if this class type is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
Reimplemented from vtkObject.
Reimplemented in vtkMesaRenderer, vtkOpenGLRenderer, and vtkRenderer. |
virtual int vtkViewport::IsA |
( |
const char * |
type |
) |
[virtual] |
|
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Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeRevisionMacro found in vtkSetGet.h.
Reimplemented from vtkObject.
Reimplemented in vtkMesaRenderer, vtkOpenGLRenderer, and vtkRenderer. |
vtkViewport* vtkViewport::SafeDownCast |
( |
vtkObject * |
o |
) |
[static] |
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void vtkViewport::PrintSelf |
( |
ostream & |
os, |
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vtkIndent |
indent |
|
) |
[virtual] |
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Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.
Reimplemented from vtkObject.
Reimplemented in vtkMesaRenderer, vtkOpenGLRenderer, and vtkRenderer. |
void vtkViewport::AddProp |
( |
vtkProp * |
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) |
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Return any props in this viewport.
Definition at line 72 of file vtkViewport.h. |
void vtkViewport::RemoveProp |
( |
vtkProp * |
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) |
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void vtkViewport::RemoveAllProps |
( |
void |
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) |
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Remove all actors from the list of actors. |
void vtkViewport::AddActor2D |
( |
vtkProp * |
p |
) |
[inline] |
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Add/Remove different types of props to the renderer. These methods are all synonyms to AddProp and RemoveProp. They are here for convenience and backwards compatibility.
Definition at line 84 of file vtkViewport.h. |
void vtkViewport::RemoveActor2D |
( |
vtkProp * |
p |
) |
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|
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Add/Remove different types of props to the renderer. These methods are all synonyms to AddProp and RemoveProp. They are here for convenience and backwards compatibility. |
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Add/Remove different types of props to the renderer. These methods are all synonyms to AddProp and RemoveProp. They are here for convenience and backwards compatibility. |
virtual void vtkViewport::SetBackground |
( |
float |
, |
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float |
, |
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float |
|
|
) |
[virtual] |
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Set/Get the background color of the rendering screen using an rgb color specification. |
virtual void vtkViewport::SetBackground |
( |
float |
[3] |
) |
[virtual] |
|
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Set/Get the background color of the rendering screen using an rgb color specification. |
virtual float* vtkViewport::GetBackground |
( |
|
) |
[virtual] |
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Set/Get the background color of the rendering screen using an rgb color specification. |
virtual void vtkViewport::GetBackground |
( |
float |
data[3] |
) |
[virtual] |
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Set/Get the background color of the rendering screen using an rgb color specification. |
virtual void vtkViewport::SetAspect |
( |
float |
, |
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float |
|
|
) |
[virtual] |
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Set the aspect ratio of the rendered image. This is computed automatically and should not be set by the user. |
void vtkViewport::SetAspect |
( |
float |
[2] |
) |
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Set the aspect ratio of the rendered image. This is computed automatically and should not be set by the user. |
virtual float* vtkViewport::GetAspect |
( |
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) |
[virtual] |
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Set the aspect ratio of the rendered image. This is computed automatically and should not be set by the user. |
virtual void vtkViewport::GetAspect |
( |
float |
data[2] |
) |
[virtual] |
|
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Set the aspect ratio of the rendered image. This is computed automatically and should not be set by the user. |
void vtkViewport::ComputeAspect |
( |
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) |
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Set the aspect ratio of the rendered image. This is computed automatically and should not be set by the user. |
virtual void vtkViewport::SetPixelAspect |
( |
float |
, |
|
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float |
|
|
) |
[virtual] |
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Set the aspect ratio of a pixel in the rendered image. This factor permits the image to rendered anisotropically (i.e., stretched in one direction or the other). |
void vtkViewport::SetPixelAspect |
( |
float |
[2] |
) |
|
|
|
Set the aspect ratio of a pixel in the rendered image. This factor permits the image to rendered anisotropically (i.e., stretched in one direction or the other). |
virtual float* vtkViewport::GetPixelAspect |
( |
|
) |
[virtual] |
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Set the aspect ratio of a pixel in the rendered image. This factor permits the image to rendered anisotropically (i.e., stretched in one direction or the other). |
virtual void vtkViewport::GetPixelAspect |
( |
float |
data[2] |
) |
[virtual] |
|
|
Set the aspect ratio of a pixel in the rendered image. This factor permits the image to rendered anisotropically (i.e., stretched in one direction or the other). |
virtual void vtkViewport::SetViewport |
( |
float |
, |
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float |
, |
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float |
, |
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float |
|
|
) |
[virtual] |
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Specify the viewport for the Viewport to draw in the rendering window. Coordinates are expressed as (xmin,ymin,xmax,ymax), where each coordinate is 0 <= coordinate <= 1.0. |
virtual void vtkViewport::SetViewport |
( |
float |
[4] |
) |
[virtual] |
|
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Specify the viewport for the Viewport to draw in the rendering window. Coordinates are expressed as (xmin,ymin,xmax,ymax), where each coordinate is 0 <= coordinate <= 1.0. |
virtual float* vtkViewport::GetViewport |
( |
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) |
[virtual] |
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Specify the viewport for the Viewport to draw in the rendering window. Coordinates are expressed as (xmin,ymin,xmax,ymax), where each coordinate is 0 <= coordinate <= 1.0. |
virtual void vtkViewport::GetViewport |
( |
float |
data[4] |
) |
[virtual] |
|
|
Specify the viewport for the Viewport to draw in the rendering window. Coordinates are expressed as (xmin,ymin,xmax,ymax), where each coordinate is 0 <= coordinate <= 1.0. |
virtual void vtkViewport::SetDisplayPoint |
( |
float |
, |
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float |
, |
|
|
float |
|
|
) |
[virtual] |
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Set/get a point location in display (or screen) coordinates. The lower left corner of the window is the origin and y increases as you go up the screen. |
virtual void vtkViewport::SetDisplayPoint |
( |
float |
[3] |
) |
[virtual] |
|
|
Set/get a point location in display (or screen) coordinates. The lower left corner of the window is the origin and y increases as you go up the screen. |
virtual float* vtkViewport::GetDisplayPoint |
( |
|
) |
[virtual] |
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Set/get a point location in display (or screen) coordinates. The lower left corner of the window is the origin and y increases as you go up the screen. |
virtual void vtkViewport::GetDisplayPoint |
( |
float |
data[3] |
) |
[virtual] |
|
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Set/get a point location in display (or screen) coordinates. The lower left corner of the window is the origin and y increases as you go up the screen. |
void vtkViewport::GetDisplayPoint |
( |
double |
a[3] |
) |
[inline] |
|
|
Set/get a point location in display (or screen) coordinates. The lower left corner of the window is the origin and y increases as you go up the screen.
Definition at line 126 of file vtkViewport.h. |
virtual void vtkViewport::SetViewPoint |
( |
float |
, |
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float |
, |
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float |
|
|
) |
[virtual] |
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Specify a point location in view coordinates. The origin is in the middle of the viewport and it extends from -1 to 1 in all three dimensions. |
virtual void vtkViewport::SetViewPoint |
( |
float |
[3] |
) |
[virtual] |
|
|
Specify a point location in view coordinates. The origin is in the middle of the viewport and it extends from -1 to 1 in all three dimensions. |
virtual float* vtkViewport::GetViewPoint |
( |
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) |
[virtual] |
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Specify a point location in view coordinates. The origin is in the middle of the viewport and it extends from -1 to 1 in all three dimensions. |
virtual void vtkViewport::GetViewPoint |
( |
float |
data[3] |
) |
[virtual] |
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Specify a point location in view coordinates. The origin is in the middle of the viewport and it extends from -1 to 1 in all three dimensions. |
virtual void vtkViewport::SetWorldPoint |
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float |
, |
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float |
, |
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float |
, |
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float |
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) |
[virtual] |
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Specify a point location in world coordinates. This method takes homogeneous coordinates. |
virtual void vtkViewport::SetWorldPoint |
( |
float |
[4] |
) |
[virtual] |
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Specify a point location in world coordinates. This method takes homogeneous coordinates. |
virtual float* vtkViewport::GetWorldPoint |
( |
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) |
[virtual] |
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Specify a point location in world coordinates. This method takes homogeneous coordinates. |
virtual void vtkViewport::GetWorldPoint |
( |
float |
data[4] |
) |
[virtual] |
|
|
Specify a point location in world coordinates. This method takes homogeneous coordinates. |
void vtkViewport::GetWorldPoint |
( |
double |
a[4] |
) |
[inline] |
|
|
Specify a point location in world coordinates. This method takes homogeneous coordinates.
Definition at line 147 of file vtkViewport.h. |
virtual float* vtkViewport::GetCenter |
( |
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) |
[virtual] |
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Return the center of this viewport in display coordinates. |
virtual int vtkViewport::IsInViewport |
( |
int |
x, |
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int |
y |
|
) |
[virtual] |
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Is a given display point in this Viewport's viewport. |
virtual vtkWindow* vtkViewport::GetVTKWindow |
( |
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) |
[pure virtual] |
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void vtkViewport::SetStartRenderMethod |
( |
void(* |
f)(void *), |
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void * |
arg |
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) |
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Specify a function to be called before rendering process begins. Function will be called with argument provided. |
void vtkViewport::SetEndRenderMethod |
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void(* |
f)(void *), |
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void * |
arg |
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) |
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Specify a function to be called when rendering process completes. Function will be called with argument provided. |
void vtkViewport::SetStartRenderMethodArgDelete |
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void(* |
f)(void *) |
) |
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Set the arg delete method. This is used to free user memory. |
void vtkViewport::SetEndRenderMethodArgDelete |
( |
void(* |
f)(void *) |
) |
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Set the arg delete method. This is used to free user memory. |
virtual void vtkViewport::DisplayToView |
( |
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) |
[virtual] |
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Convert display coordinates to view coordinates. |
virtual void vtkViewport::ViewToDisplay |
( |
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) |
[virtual] |
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Convert view coordinates to display coordinates. |
virtual void vtkViewport::WorldToView |
( |
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) |
[virtual] |
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Convert world point coordinates to view coordinates.
Reimplemented in vtkRenderer. |
virtual void vtkViewport::ViewToWorld |
( |
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) |
[virtual] |
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Convert view point coordinates to world coordinates.
Reimplemented in vtkRenderer. |
void vtkViewport::DisplayToWorld |
( |
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) |
[inline] |
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Convert display (or screen) coordinates to world coordinates.
Definition at line 192 of file vtkViewport.h. |
void vtkViewport::WorldToDisplay |
( |
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) |
[inline] |
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Convert world point coordinates to display (or screen) coordinates.
Definition at line 195 of file vtkViewport.h. |
virtual void vtkViewport::LocalDisplayToDisplay |
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float & |
x, |
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float & |
y |
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) |
[virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::DisplayToNormalizedDisplay |
( |
float & |
u, |
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float & |
v |
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) |
[virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::NormalizedDisplayToViewport |
( |
float & |
x, |
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float & |
y |
|
) |
[virtual] |
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|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::ViewportToNormalizedViewport |
( |
float & |
u, |
|
|
float & |
v |
|
) |
[virtual] |
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|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::NormalizedViewportToView |
( |
float & |
x, |
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float & |
y, |
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float & |
z |
|
) |
[virtual] |
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|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::ViewToWorld |
( |
float & |
, |
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float & |
, |
|
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float & |
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) |
[inline, virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)).
Reimplemented in vtkRenderer.
Definition at line 208 of file vtkViewport.h. |
virtual void vtkViewport::DisplayToLocalDisplay |
( |
float & |
x, |
|
|
float & |
y |
|
) |
[virtual] |
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|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::NormalizedDisplayToDisplay |
( |
float & |
u, |
|
|
float & |
v |
|
) |
[virtual] |
|
|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::ViewportToNormalizedDisplay |
( |
float & |
x, |
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float & |
y |
|
) |
[virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::NormalizedViewportToViewport |
( |
float & |
u, |
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float & |
v |
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) |
[virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::ViewToNormalizedViewport |
( |
float & |
x, |
|
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float & |
y, |
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float & |
z |
|
) |
[virtual] |
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|
These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)). |
virtual void vtkViewport::WorldToView |
( |
float & |
, |
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float & |
, |
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float & |
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) |
[inline, virtual] |
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These methods map from one coordinate system to another. They are primarily used by the vtkCoordinate object and are often strung together. These methods return valid information only if the window has been realized (e.g., GetSize() returns something other than (0,0)).
Reimplemented in vtkRenderer.
Definition at line 214 of file vtkViewport.h. |
int* vtkViewport::GetSize |
( |
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) |
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Get the size and origin of the viewport in display coordinates. Note: if the window has not yet been realized, GetSize() and GetOrigin() return (0,0). |
int* vtkViewport::GetOrigin |
( |
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) |
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Get the size and origin of the viewport in display coordinates. Note: if the window has not yet been realized, GetSize() and GetOrigin() return (0,0). |
void vtkViewport::GetTiledSize |
( |
int * |
width, |
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int * |
height |
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) |
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Get the size and origin of the viewport in display coordinates. Note: if the window has not yet been realized, GetSize() and GetOrigin() return (0,0). |
virtual vtkAssemblyPath* vtkViewport::PickProp |
( |
float |
selectionX, |
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float |
selectionY |
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) |
[pure virtual] |
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Return the Prop that has the highest z value at the given x, y position in the viewport. Basically, the top most prop that renders the pixel at selectionX, selectionY will be returned. If no Props are there NULL is returned. This method selects from the Viewports Prop list.
Implemented in vtkRenderer. |
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Same as PickProp with two arguments, but selects from the given collection of Props instead of the Renderers props. Make sure the Props in the collection are in this renderer. |
virtual float vtkViewport::GetPickX |
( |
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) |
[virtual] |
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Methods used to return the pick (x,y) in local display coordinates (i.e., it's that same as selectionX and selectionY). |
virtual float vtkViewport::GetPickY |
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[virtual] |
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Methods used to return the pick (x,y) in local display coordinates (i.e., it's that same as selectionX and selectionY). |
virtual int vtkViewport::GetIsPicking |
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[virtual] |
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Methods used to return the pick (x,y) in local display coordinates (i.e., it's that same as selectionX and selectionY). |
virtual float vtkViewport::GetPickedZ |
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[pure virtual] |
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virtual void vtkViewport::DevicePickRender |
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[protected, pure virtual] |
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virtual void vtkViewport::StartPick |
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unsigned int |
pickFromSize |
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[protected, pure virtual] |
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virtual void vtkViewport::UpdatePickId |
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[protected, pure virtual] |
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virtual void vtkViewport::DonePick |
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[protected, pure virtual] |
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virtual unsigned int vtkViewport::GetPickedId |
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[protected, pure virtual] |
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Member Data Documentation
int vtkViewport::IsPicking [protected]
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unsigned int vtkViewport::CurrentPickId [protected]
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float vtkViewport::PickX [protected]
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float vtkViewport::PickY [protected]
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vtkWindow* vtkViewport::VTKWindow [protected]
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float vtkViewport::Background[3] [protected]
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float vtkViewport::Viewport[4] [protected]
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float vtkViewport::Aspect[2] [protected]
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float vtkViewport::PixelAspect[2] [protected]
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float vtkViewport::Center[2] [protected]
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unsigned long vtkViewport::StartTag [protected]
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unsigned long vtkViewport::EndTag [protected]
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int vtkViewport::Size[2] [protected]
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int vtkViewport::Origin[2] [protected]
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float vtkViewport::DisplayPoint[3] [protected]
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float vtkViewport::ViewPoint[3] [protected]
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float vtkViewport::WorldPoint[4] [protected]
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The documentation for this class was generated from the following file: