VTK  9.4.20241230
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
vtkScalarsToColorsItem Class Referenceabstract

Abstract class for ScalarsToColors items. More...

#include <vtkScalarsToColorsItem.h>

Inheritance diagram for vtkScalarsToColorsItem:
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Collaboration diagram for vtkScalarsToColorsItem:
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Public Types

typedef vtkPlot Superclass
 
- Public Types inherited from vtkPlot
typedef vtkContextItem Superclass
 
- Public Types inherited from vtkContextItem
typedef vtkAbstractContextItem Superclass
 
- Public Types inherited from vtkAbstractContextItem
typedef vtkObject Superclass
 

Public Member Functions

virtual vtkTypeBool IsA (const char *type)
 Return 1 if this class is the same type of (or a subclass of) the named class.
 
vtkScalarsToColorsItemNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses.
 
void GetBounds (double bounds[4]) override
 Bounds of the item, use the UserBounds if valid otherwise compute the bounds of the item (based on the transfer function range).
 
bool Paint (vtkContext2D *painter) override
 Paint the texture into a rectangle defined by the bounds.
 
vtkIdType GetNearestPoint (const vtkVector2f &point, const vtkVector2f &, vtkVector2f *location, vtkIdType *segmentIndex) override
 Function to query a plot for the nearest point to the specified coordinate.
 
vtkStdString GetTooltipLabel (const vtkVector2d &plotPos, vtkIdType seriesIndex, vtkIdType segmentIndex) override
 Generate and return the tooltip label string for this plot The segmentIndex is implemented here.
 
virtual vtkIdType GetNearestPoint (const vtkVector2f &point, const vtkVector2f &tolerance, vtkVector2f *location, vtkIdType *segmentId)
 Function to query a plot for the nearest point to the specified coordinate.
 
virtual void SetUserBounds (double, double, double, double)
 Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.
 
virtual void SetUserBounds (double[4])
 Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.
 
virtual double * GetUserBounds ()
 Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.
 
virtual void GetUserBounds (double &, double &, double &, double &)
 Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.
 
virtual void GetUserBounds (double[4])
 Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.
 
virtual vtkPenGetPolyLinePen ()
 Get a pointer to the vtkPen object that controls the drawing of the edge of the shape if any.
 
void SetHistogramTable (vtkTable *histogramTable)
 Set/Get the vtkTable displayed as an histogram using a vtkPlotBar.
 
virtual vtkTableGetHistogramTable ()
 Set/Get the vtkTable displayed as an histogram using a vtkPlotBar.
 
virtual void SetMaskAboveCurve (bool)
 Don't fill in the part above the transfer function.
 
virtual bool GetMaskAboveCurve ()
 Don't fill in the part above the transfer function.
 
- Public Member Functions inherited from vtkPlot
virtual vtkTypeBool IsA (const char *type)
 Return 1 if this class is the same type of (or a subclass of) the named class.
 
vtkPlotNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses.
 
void Update () override
 Perform any updates to the item that may be necessary before rendering.
 
virtual bool PaintLegend (vtkContext2D *painter, const vtkRectf &rect, int legendIndex)
 Paint legend event for the plot, called whenever the legend needs the plot items symbol/mark/line drawn.
 
virtual vtkStdString GetTooltipLabel (const vtkVector2d &plotPos, vtkIdType seriesIndex, vtkIdType segmentIndex)
 Generate and return the tooltip label string for this plot The segmentIndex parameter is ignored, except for vtkPlotBar.
 
virtual vtkIdType GetNearestPoint (const vtkVector2f &point, const vtkVector2f &tolerance, vtkVector2f *location, vtkIdType *segmentId)
 Function to query a plot for the nearest point to the specified coordinate.
 
virtual bool SelectPoints (const vtkVector2f &min, const vtkVector2f &max)
 Select all points in the specified rectangle.
 
virtual bool SelectPointsInPolygon (const vtkContextPolygon &polygon)
 Select all points in the specified polygon.
 
virtual void SetLabel (const vtkStdString &label)
 Set the label of this plot.
 
virtual vtkStdString GetLabel ()
 Get the label of this plot.
 
virtual void SetLabels (vtkStringArray *labels)
 Set the plot labels, these are used for stacked chart variants, with the index referring to the stacking index.
 
virtual vtkStringArrayGetLabels ()
 Get the plot labels.
 
virtual int GetNumberOfLabels ()
 Get the number of labels associated with this plot.
 
vtkStdString GetLabel (vtkIdType index)
 Get the label at the specified index.
 
void SetIndexedLabels (vtkStringArray *labels)
 Set indexed labels for the plot.
 
virtual vtkStringArrayGetIndexedLabels ()
 Get the indexed labels array.
 
vtkContextMapper2DGetData ()
 Get the data object that the plot will draw.
 
virtual vtkTableGetInput ()
 Get the input table used by the plot.
 
vtkAlgorithmOutputGetInputConnection ()
 Get the input connection used by the plot.
 
virtual void SetInputArray (int index, const vtkStdString &name)
 Convenience function to set the input arrays.
 
virtual void GetBounds (double bounds[4])
 Get the bounds for this plot as (Xmin, Xmax, Ymin, Ymax).
 
virtual void GetUnscaledInputBounds (double bounds[4])
 Provide un-log-scaled bounds for the plot inputs.
 
bool Hit (const vtkContextMouseEvent &mouse) override
 Returns true if the supplied x, y coordinate is inside the item.
 
virtual bool UpdateCache ()
 Update the internal cache.
 
virtual void SetLegendVisibility (bool)
 Set whether the plot renders an entry in the legend.
 
virtual bool GetLegendVisibility ()
 Set whether the plot renders an entry in the legend.
 
virtual void LegendVisibilityOn ()
 Set whether the plot renders an entry in the legend.
 
virtual void LegendVisibilityOff ()
 Set whether the plot renders an entry in the legend.
 
virtual void SetTooltipLabelFormat (const vtkStdString &label)
 Sets/gets a printf-style string to build custom tooltip labels from.
 
virtual vtkStdString GetTooltipLabelFormat ()
 Sets/gets a printf-style string to build custom tooltip labels from.
 
virtual void SetTooltipNotation (int notation)
 Sets/gets the tooltip notation style.
 
virtual int GetTooltipNotation ()
 Sets/gets the tooltip notation style.
 
virtual void SetTooltipPrecision (int precision)
 Sets/gets the tooltip precision.
 
virtual int GetTooltipPrecision ()
 Sets/gets the tooltip precision.
 
virtual void SetColor (unsigned char r, unsigned char g, unsigned char b, unsigned char a)
 Set the plot color with integer values (comprised between 0 and 255)
 
virtual void SetColor (unsigned char r, unsigned char g, unsigned char b)
 Set the plot color with integer values (comprised between 0 and 255)
 
virtual void SetColorF (double r, double g, double b, double a)
 Set the plot color with floating values (comprised between 0.0 and 1.0)
 
virtual void SetColorF (double r, double g, double b)
 Set the plot color with floating values (comprised between 0.0 and 1.0)
 
virtual void GetColor (unsigned char rgb[3])
 Get the plot color as integer rgb values (comprised between 0 and 255)
 
void GetColorRGBA (unsigned char rgba[4])
 Get the plot color as integer rgb values (comprised between 0 and 255)
 
virtual void GetColorF (double rgb[3])
 Get the plot color as floating rgb values (comprised between 0.0 and 1.0)
 
virtual void SetWidth (float width)
 @
 
virtual float GetWidth ()
 Get the width of the line.
 
void SetPen (vtkPen *pen)
 Set/get the vtkPen object that controls how this plot draws (out)lines.
 
vtkPenGetPen ()
 Get the plot color as floating rgb values (comprised between 0.0 and 1.0)
 
void SetBrush (vtkBrush *brush)
 Set/get the vtkBrush object that controls how this plot fills shapes.
 
vtkBrushGetBrush ()
 Set/get the vtkBrush object that controls how this plot fills shapes.
 
void SetSelectionPen (vtkPen *pen)
 Set/get the vtkBrush object that controls how this plot fills selected shapes.
 
vtkPenGetSelectionPen ()
 Set/get the vtkBrush object that controls how this plot fills selected shapes.
 
void SetSelectionBrush (vtkBrush *brush)
 Set/get the vtkBrush object that controls how this plot fills selected shapes.
 
vtkBrushGetSelectionBrush ()
 Set/get the vtkBrush object that controls how this plot fills selected shapes.
 
virtual bool GetUseIndexForXSeries ()
 Use the Y array index for the X value.
 
virtual void SetUseIndexForXSeries (bool)
 Use the Y array index for the X value.
 
virtual void SetInputData (vtkTable *table)
 This is a convenience function to set the input table and the x, y column for the plot.
 
virtual void SetInputData (vtkTable *table, const vtkStdString &xColumn, const vtkStdString &yColumn)
 This is a convenience function to set the input table and the x, y column for the plot.
 
void SetInputData (vtkTable *table, vtkIdType xColumn, vtkIdType yColumn)
 This is a convenience function to set the input table and the x, y column for the plot.
 
virtual void SetInputConnection (vtkAlgorithmOutput *input)
 This is a convenience function to set the input connection for the plot.
 
void SetXAxisInputArrayToProcess (const std::string &name)
 Convenient function to directly set/get the names of columns used for X and Y axis respectively.
 
std::string GetXAxisInputArrayToProcess ()
 Convenient function to directly set/get the names of columns used for X and Y axis respectively.
 
void SetYAxisInputArrayToProcess (const std::string &name)
 Convenient function to directly set/get the names of columns used for X and Y axis respectively.
 
std::string GetYAxisInputArrayToProcess ()
 Convenient function to directly set/get the names of columns used for X and Y axis respectively.
 
virtual void SetSelectable (bool)
 Set whether the plot can be selected.
 
virtual bool GetSelectable ()
 Set whether the plot can be selected.
 
virtual void SelectableOn ()
 Set whether the plot can be selected.
 
virtual void SelectableOff ()
 Set whether the plot can be selected.
 
virtual void SetSelection (vtkIdTypeArray *id)
 Sets the list of points that must be selected.
 
virtual vtkIdTypeArrayGetSelection ()
 Sets the list of points that must be selected.
 
virtual vtkAxisGetXAxis ()
 Get/set the X axis associated with this plot.
 
virtual void SetXAxis (vtkAxis *axis)
 Get/set the X axis associated with this plot.
 
virtual vtkAxisGetYAxis ()
 Get/set the Y axis associated with this plot.
 
virtual void SetYAxis (vtkAxis *axis)
 Get/set the Y axis associated with this plot.
 
void SetShiftScale (const vtkRectd &shiftScale)
 Get/set the origin shift and scaling factor used by the plot, this is normally 0.0 offset and 1.0 scaling, but can be used to render data outside of the single precision range.
 
vtkRectd GetShiftScale ()
 Get/set the origin shift and scaling factor used by the plot, this is normally 0.0 offset and 1.0 scaling, but can be used to render data outside of the single precision range.
 
virtual void SetProperty (const vtkStdString &property, const vtkVariant &var)
 A General setter/getter that should be overridden.
 
virtual vtkVariant GetProperty (const vtkStdString &property)
 A General setter/getter that should be overridden.
 
virtual bool ClampPos (double pos[2])
 Clamp the given 2D pos into the provided bounds Return true if the pos has been clamped, false otherwise.
 
- Public Member Functions inherited from vtkContextItem
virtual vtkTypeBool IsA (const char *type)
 Return 1 if this class is the same type of (or a subclass of) the named class.
 
vtkContextItemNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses.
 
virtual void SetTransform (vtkContextTransform *)
 Set the transform of the item.
 
virtual double GetOpacity ()
 Get the opacity of the item.
 
virtual void SetOpacity (double)
 Set the opacity of the item.
 
- Public Member Functions inherited from vtkAbstractContextItem
virtual vtkTypeBool IsA (const char *type)
 Return 1 if this class is the same type of (or a subclass of) the named class.
 
vtkAbstractContextItemNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses.
 
virtual void Update ()
 Perform any updates to the item that may be necessary before rendering.
 
virtual bool Paint (vtkContext2D *painter)
 Paint event for the item, called whenever the item needs to be drawn.
 
virtual bool PaintChildren (vtkContext2D *painter)
 Paint the children of the item, should be called whenever the children need to be rendered.
 
virtual void ReleaseGraphicsResources ()
 Release graphics resources hold by the item.
 
vtkIdType AddItem (vtkAbstractContextItem *item)
 Add child items to this item.
 
bool RemoveItem (vtkAbstractContextItem *item)
 Remove child item from this item.
 
bool RemoveItem (vtkIdType index)
 Remove child item from this item.
 
vtkAbstractContextItemGetItem (vtkIdType index)
 Get the item at the specified index.
 
vtkIdType GetItemIndex (vtkAbstractContextItem *item)
 Get the index of the specified item in itemIndex.
 
vtkIdType GetNumberOfItems ()
 Get the number of child items.
 
void ClearItems ()
 Remove all child items from this item.
 
vtkIdType Raise (vtkIdType index)
 Raises the child to the top of the item's stack.
 
virtual vtkIdType StackAbove (vtkIdType index, vtkIdType under)
 Raises the child above the under sibling.
 
vtkIdType Lower (vtkIdType index)
 Lowers the child to the bottom of the item's stack.
 
virtual vtkIdType StackUnder (vtkIdType child, vtkIdType above)
 Lowers the child under the above sibling.
 
virtual bool Hit (const vtkContextMouseEvent &mouse)
 Return true if the supplied x, y coordinate is inside the item.
 
virtual vtkAbstractContextItemGetPickedItem (const vtkContextMouseEvent &mouse)
 Return the item under the mouse.
 
virtual bool MouseEnterEvent (const vtkContextMouseEvent &mouse)
 Mouse enter event.
 
virtual bool MouseMoveEvent (const vtkContextMouseEvent &mouse)
 Mouse move event.
 
virtual bool MouseLeaveEvent (const vtkContextMouseEvent &mouse)
 Mouse leave event.
 
virtual bool MouseButtonPressEvent (const vtkContextMouseEvent &mouse)
 Mouse button down event Return true if the item holds the event, false if the event can be propagated to other items.
 
virtual bool MouseButtonReleaseEvent (const vtkContextMouseEvent &mouse)
 Mouse button release event.
 
virtual bool MouseDoubleClickEvent (const vtkContextMouseEvent &mouse)
 Mouse button double click event.
 
virtual bool MouseWheelEvent (const vtkContextMouseEvent &mouse, int delta)
 Mouse wheel event, positive delta indicates forward movement of the wheel.
 
virtual bool KeyPressEvent (const vtkContextKeyEvent &key)
 Key press event.
 
virtual bool KeyReleaseEvent (const vtkContextKeyEvent &key)
 Key release event.
 
virtual void SetScene (vtkContextScene *scene)
 Set the vtkContextScene for the item, always set for an item in a scene.
 
vtkContextSceneGetScene ()
 Get the vtkContextScene for the item, always set for an item in a scene.
 
virtual void SetParent (vtkAbstractContextItem *parent)
 Set the parent item.
 
vtkAbstractContextItemGetParent ()
 Get the parent item.
 
virtual vtkVector2f MapToParent (const vtkVector2f &point)
 Maps the point to the parent coordinate system.
 
virtual vtkVector2f MapFromParent (const vtkVector2f &point)
 Maps the point from the parent coordinate system.
 
virtual vtkVector2f MapToScene (const vtkVector2f &point)
 Maps the point to the scene coordinate system.
 
virtual vtkVector2f MapFromScene (const vtkVector2f &point)
 Maps the point from the scene coordinate system.
 
virtual bool GetVisible ()
 Get the visibility of the item (should it be drawn).
 
virtual void SetVisible (bool)
 Set the visibility of the item (should it be drawn).
 
virtual bool GetInteractive ()
 Get if the item is interactive (should respond to mouse events).
 
virtual void SetInteractive (bool)
 Set if the item is interactive (should respond to mouse events).
 
- Public Member Functions inherited from vtkObject
 vtkBaseTypeMacro (vtkObject, vtkObjectBase)
 
virtual void DebugOn ()
 Turn debugging output on.
 
virtual void DebugOff ()
 Turn debugging output off.
 
bool GetDebug ()
 Get the value of the debug flag.
 
void SetDebug (bool debugFlag)
 Set the value of the debug flag.
 
virtual void Modified ()
 Update the modification time for this object.
 
virtual vtkMTimeType GetMTime ()
 Return this object's modified time.
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses.
 
void RemoveObserver (unsigned long tag)
 
void RemoveObservers (unsigned long event)
 
void RemoveObservers (const char *event)
 
void RemoveAllObservers ()
 
vtkTypeBool HasObserver (unsigned long event)
 
vtkTypeBool HasObserver (const char *event)
 
vtkTypeBool InvokeEvent (unsigned long event)
 
vtkTypeBool InvokeEvent (const char *event)
 
std::string GetObjectDescription () const override
 The object description printed in messages and PrintSelf output.
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
vtkCommandGetCommand (unsigned long tag)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
void RemoveObserver (vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
void RemoveObservers (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
void RemoveObservers (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
vtkTypeBool HasObserver (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
vtkTypeBool HasObserver (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object.
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
 Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 Allow user to set the AbortFlagOn() with the return value of the callback method.
 
vtkTypeBool InvokeEvent (unsigned long event, void *callData)
 This method invokes an event and return whether the event was aborted or not.
 
vtkTypeBool InvokeEvent (const char *event, void *callData)
 This method invokes an event and return whether the event was aborted or not.
 
virtual void SetObjectName (const std::string &objectName)
 Set/get the name of this object for reporting purposes.
 
virtual std::string GetObjectName () const
 Set/get the name of this object for reporting purposes.
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 Return the class name as a string.
 
virtual std::string GetObjectDescription () const
 The object description printed in messages and PrintSelf output.
 
virtual vtkTypeBool IsA (const char *name)
 Return 1 if this class is the same type of (or a subclass of) the named class.
 
virtual vtkIdType GetNumberOfGenerationsFromBase (const char *name)
 Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
 
virtual void Delete ()
 Delete a VTK object.
 
virtual void FastDelete ()
 Delete a reference to this object.
 
void InitializeObjectBase ()
 
void Print (ostream &os)
 Print an object to an ostream.
 
void Register (vtkObjectBase *o)
 Increase the reference count (mark as used by another object).
 
virtual void UnRegister (vtkObjectBase *o)
 Decrease the reference count (release by another object).
 
int GetReferenceCount ()
 Return the current reference count of this object.
 
void SetReferenceCount (int)
 Sets the reference count.
 
bool GetIsInMemkind () const
 A local state flag that remembers whether this object lives in the normal or extended memory space.
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses.
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses.
 
virtual bool UsesGarbageCollector () const
 Indicate whether the class uses vtkGarbageCollector or not.
 

Static Public Member Functions

static vtkTypeBool IsTypeOf (const char *type)
 
static vtkScalarsToColorsItemSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkPlot
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkPlotSafeDownCast (vtkObjectBase *o)
 
static void FilterSelectedPoints (vtkDataArray *points, vtkDataArray *selectedPoints, vtkIdTypeArray *selectedIds)
 Utility function that fills up selectedPoints with tuples from points.
 
static bool ClampPos (double pos[2], double bounds[4])
 Clamp the given 2D pos into the provided bounds Return true if the pos has been clamped, false otherwise.
 
- Static Public Member Functions inherited from vtkContextItem
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkContextItemSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkAbstractContextItem
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkAbstractContextItemSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkObject
static vtkObjectNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
 
static void BreakOnError ()
 This method is called when vtkErrorMacro executes.
 
static void SetGlobalWarningDisplay (vtkTypeBool val)
 This is a global flag that controls whether any debug, warning or error messages are displayed.
 
static void GlobalWarningDisplayOn ()
 This is a global flag that controls whether any debug, warning or error messages are displayed.
 
static void GlobalWarningDisplayOff ()
 This is a global flag that controls whether any debug, warning or error messages are displayed.
 
static vtkTypeBool GetGlobalWarningDisplay ()
 This is a global flag that controls whether any debug, warning or error messages are displayed.
 
- Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool IsTypeOf (const char *name)
 Return 1 if this class type is the same type of (or a subclass of) the named class.
 
static vtkIdType GetNumberOfGenerationsFromBaseType (const char *name)
 Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
 
static vtkObjectBaseNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
 
static void SetMemkindDirectory (const char *directoryname)
 The name of a directory, ideally mounted -o dax, to memory map an extended memory space within.
 
static bool GetUsingMemkind ()
 A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space.
 

Protected Member Functions

virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkScalarsToColorsItem ()
 
 ~vtkScalarsToColorsItem () override
 
virtual void ComputeBounds (double *bounds)
 Bounds of the item, by default (0, 1, 0, 1) but it depends on the range of the ScalarsToColors function.
 
virtual void ComputeTexture ()=0
 Need to be reimplemented by subclasses, ComputeTexture() is called at paint time if the texture is not up to date compared to vtkScalarsToColorsItem Return false if no texture is generated.
 
virtual int GetTextureWidth ()
 
virtual bool ConfigurePlotBar ()
 Method to configure the plotbar histogram before painting it can be reimplemented by subclasses.
 
- Protected Member Functions inherited from vtkPlot
virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkPlot ()
 
 ~vtkPlot () override
 
vtkStdString GetNumber (double position, vtkAxis *axis)
 Get the properly formatted number for the supplied position and axis.
 
virtual bool CacheRequiresUpdate ()
 Test if the internal cache requires an update.
 
virtual void TransformScreenToData (const vtkVector2f &in, vtkVector2f &out)
 Transform the mouse event in the control-points space.
 
virtual void TransformDataToScreen (const vtkVector2f &in, vtkVector2f &out)
 Transform the mouse event in the control-points space.
 
virtual void TransformScreenToData (double inX, double inY, double &outX, double &outY)
 Transform the mouse event in the control-points space.
 
virtual void TransformDataToScreen (double inX, double inY, double &outX, double &outY)
 Transform the mouse event in the control-points space.
 
- Protected Member Functions inherited from vtkContextItem
virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkContextItem ()=default
 
 ~vtkContextItem () override
 
- Protected Member Functions inherited from vtkAbstractContextItem
virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkAbstractContextItem ()
 
 ~vtkAbstractContextItem () override
 
virtual void ReleaseGraphicsCache ()
 Release cache entries created by this context item.
 
- Protected Member Functions inherited from vtkObject
 vtkObject ()
 
 ~vtkObject () override
 
void RegisterInternal (vtkObjectBase *, vtkTypeBool check) override
 
void UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override
 
void InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr)
 These methods allow a command to exclusively grab all events.
 
void InternalReleaseFocus ()
 These methods allow a command to exclusively grab all events.
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void RegisterInternal (vtkObjectBase *, vtkTypeBool check)
 
virtual void UnRegisterInternal (vtkObjectBase *, vtkTypeBool check)
 
virtual void ReportReferences (vtkGarbageCollector *)
 
virtual void ObjectFinalize ()
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

double UserBounds [4]
 
bool Interpolate = true
 
int TextureWidth
 
vtkImageDataTexture = nullptr
 
vtkTableHistogramTable = nullptr
 
vtkNew< vtkPoints2DShape
 
vtkNew< vtkCallbackCommandCallback
 
vtkNew< vtkPlotBarPlotBar
 
vtkNew< vtkPenPolyLinePen
 
bool MaskAboveCurve
 
- Protected Attributes inherited from vtkPlot
vtkTimeStamp BuildTime
 The point cache is marked dirty until it has been initialized.
 
vtkSmartPointer< vtkPenPen
 This object stores the vtkPen that controls how the plot is drawn.
 
vtkSmartPointer< vtkBrushBrush
 This object stores the vtkBrush that controls how the plot is drawn.
 
vtkSmartPointer< vtkPenSelectionPen
 This object stores the vtkPen that controls how the selected elements of the plot are drawn.
 
vtkSmartPointer< vtkBrushSelectionBrush
 This object stores the vtkBrush that controls how the selected elements of the plot are drawn.
 
vtkSmartPointer< vtkStringArrayLabels
 Plot labels, used by legend.
 
vtkSmartPointer< vtkStringArrayAutoLabels
 Holds Labels when they're auto-created.
 
vtkSmartPointer< vtkStringArrayIndexedLabels
 Holds Labels when they're auto-created.
 
bool UseIndexForXSeries
 Use the Y array index for the X value.
 
vtkSmartPointer< vtkContextMapper2DData
 This data member contains the data that will be plotted, it inherits from vtkAlgorithm.
 
bool Selectable
 Whether plot points can be selected or not.
 
vtkIdTypeArraySelection
 Selected indices for the table the plot is rendering.
 
vtkAxisXAxis
 The X axis associated with this plot.
 
vtkAxisYAxis
 The X axis associated with this plot.
 
vtkStdString TooltipLabelFormat
 A printf-style string to build custom tooltip labels from.
 
vtkStdString TooltipDefaultLabelFormat
 The default printf-style string to build custom tooltip labels from.
 
int TooltipNotation
 
int TooltipPrecision
 
vtkRectd ShiftScale
 The current shift in origin and scaling factor applied to the plot.
 
bool LegendVisibility
 
- Protected Attributes inherited from vtkContextItem
double Opacity = 1.0
 
vtkContextTransformTransform = nullptr
 
- Protected Attributes inherited from vtkAbstractContextItem
vtkContextSceneScene
 Point to the scene the item is on - can be null.
 
vtkAbstractContextItemParent
 Point to the parent item - can be null.
 
vtkContextScenePrivateChildren
 This structure provides a list of children, along with convenience functions to paint the children etc.
 
bool Visible
 Store the visibility of the item (default is true).
 
bool Interactive
 Store whether the item should respond to interactions (default is true).
 
- Protected Attributes inherited from vtkObject
bool Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
std::string ObjectName
 
- Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t > ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 
virtual void ScalarsToColorsModified (vtkObject *caller, unsigned long eid, void *calldata)
 Called whenever the ScalarsToColors function(s) is modified.
 
static void OnScalarsToColorsModified (vtkObject *caller, unsigned long eid, void *clientdata, void *calldata)
 Called whenever the ScalarsToColors function(s) is modified.
 

Additional Inherited Members

- Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction GetCurrentMallocFunction ()
 
static vtkReallocingFunction GetCurrentReallocFunction ()
 
static vtkFreeingFunction GetCurrentFreeFunction ()
 
static vtkFreeingFunction GetAlternateFreeFunction ()
 

Detailed Description

Abstract class for ScalarsToColors items.

vtkScalarsToColorsItem implements item bounds and painting for inherited classes that provide a texture (ComputeTexture()) and optionally a shape

See also
vtkControlPointsItem vtkLookupTableItem vtkColorTransferFunctionItem vtkCompositeTransferFunctionItem vtkPiecewiseItemFunctionItem

Definition at line 32 of file vtkScalarsToColorsItem.h.

Member Typedef Documentation

◆ Superclass

Definition at line 35 of file vtkScalarsToColorsItem.h.

Constructor & Destructor Documentation

◆ vtkScalarsToColorsItem()

vtkScalarsToColorsItem::vtkScalarsToColorsItem ( )
protected

◆ ~vtkScalarsToColorsItem()

vtkScalarsToColorsItem::~vtkScalarsToColorsItem ( )
overrideprotected

Member Function Documentation

◆ IsTypeOf()

static vtkTypeBool vtkScalarsToColorsItem::IsTypeOf ( const char *  type)
static

◆ IsA()

virtual vtkTypeBool vtkScalarsToColorsItem::IsA ( const char *  name)
virtual

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 vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkPlot.

Reimplemented in vtkColorTransferFunctionItem, vtkCompositeTransferFunctionItem, vtkLookupTableItem, and vtkPiecewiseFunctionItem.

◆ SafeDownCast()

static vtkScalarsToColorsItem * vtkScalarsToColorsItem::SafeDownCast ( vtkObjectBase o)
static

◆ NewInstanceInternal()

virtual vtkObjectBase * vtkScalarsToColorsItem::NewInstanceInternal ( ) const
protectedvirtual

◆ NewInstance()

vtkScalarsToColorsItem * vtkScalarsToColorsItem::NewInstance ( ) const

◆ PrintSelf()

void vtkScalarsToColorsItem::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
overridevirtual

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 vtkPlot.

◆ GetBounds()

void vtkScalarsToColorsItem::GetBounds ( double  bounds[4])
overridevirtual

Bounds of the item, use the UserBounds if valid otherwise compute the bounds of the item (based on the transfer function range).

Reimplemented from vtkPlot.

◆ SetUserBounds() [1/2]

virtual void vtkScalarsToColorsItem::SetUserBounds ( double  ,
double  ,
double  ,
double   
)
virtual

Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.

◆ SetUserBounds() [2/2]

virtual void vtkScalarsToColorsItem::SetUserBounds ( double  [4])
virtual

Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.

◆ GetUserBounds() [1/3]

virtual double * vtkScalarsToColorsItem::GetUserBounds ( )
virtual

Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.

◆ GetUserBounds() [2/3]

virtual void vtkScalarsToColorsItem::GetUserBounds ( double &  ,
double &  ,
double &  ,
double &   
)
virtual

Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.

◆ GetUserBounds() [3/3]

virtual void vtkScalarsToColorsItem::GetUserBounds ( double  [4])
virtual

Set custom bounds, except if bounds are invalid, bounds will be automatically computed based on the range of the control points Invalid bounds by default.

◆ Paint()

bool vtkScalarsToColorsItem::Paint ( vtkContext2D painter)
overridevirtual

Paint the texture into a rectangle defined by the bounds.

If MaskAboveCurve is true and a shape has been provided by a subclass, it draws the texture into the shape

Reimplemented from vtkAbstractContextItem.

◆ GetPolyLinePen()

virtual vtkPen * vtkScalarsToColorsItem::GetPolyLinePen ( )
virtual

Get a pointer to the vtkPen object that controls the drawing of the edge of the shape if any.

PolyLinePen type is vtkPen::NO_PEN by default.

◆ SetHistogramTable()

void vtkScalarsToColorsItem::SetHistogramTable ( vtkTable histogramTable)

Set/Get the vtkTable displayed as an histogram using a vtkPlotBar.

◆ GetHistogramTable()

virtual vtkTable * vtkScalarsToColorsItem::GetHistogramTable ( )
virtual

Set/Get the vtkTable displayed as an histogram using a vtkPlotBar.

◆ SetMaskAboveCurve()

virtual void vtkScalarsToColorsItem::SetMaskAboveCurve ( bool  )
virtual

Don't fill in the part above the transfer function.

If true texture is not visible above the shape provided by subclasses, otherwise the whole rectangle defined by the bounds is filled with the transfer function. Note: only 2D transfer functions (RGB tf + alpha tf ) support the feature.

◆ GetMaskAboveCurve()

virtual bool vtkScalarsToColorsItem::GetMaskAboveCurve ( )
virtual

Don't fill in the part above the transfer function.

If true texture is not visible above the shape provided by subclasses, otherwise the whole rectangle defined by the bounds is filled with the transfer function. Note: only 2D transfer functions (RGB tf + alpha tf ) support the feature.

◆ GetNearestPoint() [1/2]

vtkIdType vtkScalarsToColorsItem::GetNearestPoint ( const vtkVector2f point,
const vtkVector2f ,
vtkVector2f location,
vtkIdType segmentIndex 
)
overridevirtual

Function to query a plot for the nearest point to the specified coordinate.

Returns the index of the data series with which the point is associated or -1. If a vtkIdType* is passed, its referent will be set to index of the bar segment with which a point is associated, or -1.

Reimplemented from vtkPlot.

◆ GetTooltipLabel()

vtkStdString vtkScalarsToColorsItem::GetTooltipLabel ( const vtkVector2d plotPos,
vtkIdType  seriesIndex,
vtkIdType  segmentIndex 
)
overridevirtual

Generate and return the tooltip label string for this plot The segmentIndex is implemented here.

Reimplemented from vtkPlot.

◆ ComputeBounds()

virtual void vtkScalarsToColorsItem::ComputeBounds ( double *  bounds)
protectedvirtual

Bounds of the item, by default (0, 1, 0, 1) but it depends on the range of the ScalarsToColors function.

Need to be reimplemented by subclasses if the range is != [0,1]

◆ ComputeTexture()

virtual void vtkScalarsToColorsItem::ComputeTexture ( )
protectedpure virtual

Need to be reimplemented by subclasses, ComputeTexture() is called at paint time if the texture is not up to date compared to vtkScalarsToColorsItem Return false if no texture is generated.

Implemented in vtkColorTransferFunctionItem, vtkCompositeTransferFunctionItem, vtkLookupTableItem, and vtkPiecewiseFunctionItem.

◆ GetTextureWidth()

virtual int vtkScalarsToColorsItem::GetTextureWidth ( )
protectedvirtual

◆ ConfigurePlotBar()

virtual bool vtkScalarsToColorsItem::ConfigurePlotBar ( )
protectedvirtual

Method to configure the plotbar histogram before painting it can be reimplemented by subclasses.

Return true if the histogram should be painted, false otherwise.

Reimplemented in vtkColorTransferFunctionItem.

◆ ScalarsToColorsModified()

virtual void vtkScalarsToColorsItem::ScalarsToColorsModified ( vtkObject caller,
unsigned long  eid,
void *  calldata 
)
protectedvirtual

Called whenever the ScalarsToColors function(s) is modified.

It internally calls Modified(). Can be reimplemented by subclasses

◆ OnScalarsToColorsModified()

static void vtkScalarsToColorsItem::OnScalarsToColorsModified ( vtkObject caller,
unsigned long  eid,
void *  clientdata,
void *  calldata 
)
staticprotected

Called whenever the ScalarsToColors function(s) is modified.

It internally calls Modified(). Can be reimplemented by subclasses

◆ GetNearestPoint() [2/2]

virtual vtkIdType vtkPlot::GetNearestPoint ( const vtkVector2f point,
const vtkVector2f tolerance,
vtkVector2f location,
vtkIdType segmentId 
)
virtual

Function to query a plot for the nearest point to the specified coordinate.

Returns the index of the data series with which the point is associated, or -1 if no point was found.

Reimplemented from vtkPlot.

Member Data Documentation

◆ UserBounds

double vtkScalarsToColorsItem::UserBounds[4]
protected

Definition at line 145 of file vtkScalarsToColorsItem.h.

◆ Interpolate

bool vtkScalarsToColorsItem::Interpolate = true
protected

Definition at line 147 of file vtkScalarsToColorsItem.h.

◆ TextureWidth

int vtkScalarsToColorsItem::TextureWidth
protected

Definition at line 148 of file vtkScalarsToColorsItem.h.

◆ Texture

vtkImageData* vtkScalarsToColorsItem::Texture = nullptr
protected

Definition at line 149 of file vtkScalarsToColorsItem.h.

◆ HistogramTable

vtkTable* vtkScalarsToColorsItem::HistogramTable = nullptr
protected

Definition at line 150 of file vtkScalarsToColorsItem.h.

◆ Shape

vtkNew<vtkPoints2D> vtkScalarsToColorsItem::Shape
protected

Definition at line 152 of file vtkScalarsToColorsItem.h.

◆ Callback

vtkNew<vtkCallbackCommand> vtkScalarsToColorsItem::Callback
protected

Definition at line 153 of file vtkScalarsToColorsItem.h.

◆ PlotBar

vtkNew<vtkPlotBar> vtkScalarsToColorsItem::PlotBar
protected

Definition at line 154 of file vtkScalarsToColorsItem.h.

◆ PolyLinePen

vtkNew<vtkPen> vtkScalarsToColorsItem::PolyLinePen
protected

Definition at line 155 of file vtkScalarsToColorsItem.h.

◆ MaskAboveCurve

bool vtkScalarsToColorsItem::MaskAboveCurve
protected

Definition at line 156 of file vtkScalarsToColorsItem.h.


The documentation for this class was generated from the following file: