VTK  9.5.2
vtkChartXYZ.h
Go to the documentation of this file.
1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
3
13
14#ifndef vtkChartXYZ_h
15#define vtkChartXYZ_h
16
17#include "vtkChartsCoreModule.h" // For export macro
18#include "vtkColor.h" // For vtkColor4ub
19#include "vtkContextItem.h"
20#include "vtkNew.h" // For ivars
21#include "vtkRect.h" // For vtkRectf ivars
22#include "vtkSmartPointer.h" // For ivars
23#include "vtkStdString.h" // For vtkStdString
24#include "vtkTextProperty.h" // For axes text properties
25#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
26#include <vector> // For ivars
27
28VTK_ABI_NAMESPACE_BEGIN
30class vtkAxis;
31class vtkContext3D;
33class vtkPen;
35class vtkPlot3D;
36class vtkTable;
37class vtkTransform;
39
40class VTKCHARTSCORE_EXPORT VTK_MARSHALAUTO vtkChartXYZ : public vtkContextItem
41{
42public:
44 void PrintSelf(ostream& os, vtkIndent indent) override;
45
46 static vtkChartXYZ* New();
47
57 void SetGeometry(const vtkRectf& bounds);
58
66 void SetMargins(const vtkVector4i& margins);
67
71 vtkSetMacro(Angle, double);
72
76 void SetAroundX(bool isX);
77
82
86 vtkAxis* GetAxis(int axis);
87
91 virtual void SetAxis(int axisIndex, vtkAxis* axis);
92
94
97 void SetAxisColor(const vtkColor4ub& color);
100
121
126
131
136
143
148 vtkSetMacro(AutoRotate, bool);
149
154 void SetDecorateAxes(bool b);
155
160 void SetFitToScene(bool b);
161
165 void Update() override;
166
170 bool Paint(vtkContext2D* painter) override;
171
176
180 virtual bool RemovePlot(vtkPlot3D* plot);
181
186
192
199
203 bool Hit(const vtkContextMouseEvent& mouse) override;
204
208 bool MouseButtonPressEvent(const vtkContextMouseEvent& mouse) override;
209
213 bool MouseMoveEvent(const vtkContextMouseEvent& mouse) override;
214
218 bool MouseWheelEvent(const vtkContextMouseEvent& mouse, int delta) override;
219
225 bool KeyPressEvent(const vtkContextKeyEvent& key) override;
226
231
235 vtkGetMacro(ClippingPlanesEnabled, bool);
236
240 vtkSetMacro(ScaleBoxWithPlot, bool);
241
245 vtkGetMacro(ScaleBoxWithPlot, bool);
246
247protected:
249 ~vtkChartXYZ() override;
250
261
274
289
295 virtual void CalculateTransforms();
296
304
308 bool Rotate(const vtkContextMouseEvent& mouse);
309
313 bool Rotate(RotateDirection rotateDirection);
314
318 bool Pan(const vtkContextMouseEvent& mouse);
319
323 bool Zoom(const vtkContextMouseEvent& mouse);
324
328 bool Spin(const vtkContextMouseEvent& mouse);
329
333 void LookDownX();
334
338 void LookDownY();
339
343 void LookDownZ();
344
348 void LookUpX();
349
353 void LookUpY();
354
358 void LookUpZ();
359
364
369
374
379
383 void ZoomAxes(int delta);
384
390
401
406
410 void DrawAxes(vtkContext3D* context);
411
417
423
433
438
444 void GetOffsetForAxisLabel(int axis, float* bounds, float* offset);
445
451 double CalculateNiceMinMax(double& min, double& max, int axis);
452
456 void GetClippingPlaneEquation(int i, double* planeEquation);
457
461 std::size_t GetMarginLeft() const;
462
466 std::size_t GetMarginBottom() const;
467
471 std::size_t GetPlotWidth() const;
472
476 std::size_t GetPlotHeight() const;
477
481 enum
482 {
485 } SizeStrategy = USE_GEOMETRY;
486
491 vtkVector4i Margins = vtkVector4i(40, 40, 40, 40);
492
497 vtkRectf Geometry = vtkRectf(40, 40, 120, 120);
498
502 std::vector<vtkSmartPointer<vtkAxis>> Axes;
503
508 bool AutoRotate = false;
509
514 bool IsX = false;
515
520 double Angle = 0;
521
527
532 bool FitToScene = true;
533
538
545
550
555
561
567
573
580
585
590
595
600
604 std::vector<vtkPlot3D*> Plots;
605
609 std::vector<vtkIdType> FreePlaces;
610
615
619 std::string XAxisLabel;
620
624 std::string YAxisLabel;
625
629 std::string ZAxisLabel;
630
641
647
652 float TickLabelOffset[3][2];
653
658
663
665
672
677
681 double DataBounds[4];
682
687
691 bool ScaleBoxWithPlot = true;
692
693private:
694 vtkChartXYZ(const vtkChartXYZ&) = delete;
695 void operator=(const vtkChartXYZ&) = delete;
696};
697
698VTK_ABI_NAMESPACE_END
699#endif
takes care of drawing 2D axes
Definition vtkAxis.h:62
~vtkChartXYZ() override
void SetClippingPlanesEnabled(bool)
Hide data outside the box.
bool AutoRotate
This boolean indicates whether or not we're using this chart to rotate on a timer.
@ USE_MARGINS_AND_SCENE_SIZE
vtkNew< vtkTransform > FutureBoxScale
This transform keeps track of the Scale of the FutureBox transform.
vtkNew< vtkTransform > FutureBox
This transform is initialized as a copy of Box.
std::string XAxisLabel
The label for the X Axis.
void ScaleDownAxes()
Scale down the axes when the scene gets smaller.
bool Paint(vtkContext2D *painter) override
Paint event for the chart, called whenever the chart needs to be drawn.
bool FitToScene
This boolean indicates whether or not we should automatically resize the chart so that it snugly fill...
void RescaleAxes()
Scale the axes up or down in response to a scene resize.
vtkNew< vtkTransform > Box
This is the transform that is applied when rendering data from the plots.
int ZAxisToLabel[3]
Which line to label.
void SetAxisColor(const vtkColor4ub &color)
Set the color for the axes.
void LookUpX()
Adjust the rotation of the chart so that we are looking up the X axis.
vtkNew< vtkPen > Pen
This is the pen that is used to draw data from the plots.
int SceneHeight
The height of the scene, as of the most recent call to Paint().
virtual bool RemovePlot(vtkPlot3D *plot)
Removes a plot from the chart.
vtkAxis * GetAxis(int axis)
Get the x (0), y (1) or z (2) axis.
void DrawAxesLabels(vtkContext2D *painter)
Label the axes.
void DrawTickMarks(vtkContext2D *painter)
Draw tick marks and tick mark labels along the axes.
static vtkChartXYZ * New()
int YAxisToLabel[3]
Which line to label.
vtkRectf Geometry
The size and position of this chart.
RotateDirection
Rotation directions.
bool Zoom(const vtkContextMouseEvent &mouse)
Zoom in or out on the data in response to a mouse movement.
std::string YAxisLabel
The label for the Y Axis.
int DirectionToData[3]
What direction the data is from each labeled axis line.
void Update() override
Perform any updates to the item that may be necessary before rendering.
bool Rotate(const vtkContextMouseEvent &mouse)
Rotate the chart in response to a mouse movement.
double CalculateNiceMinMax(double &min, double &max, int axis)
Calculate the next "nicest" numbers above and below the current minimum.
vtkNew< vtkTransform > Scale
This transform keeps track of how the data points have been scaled (zoomed in or zoomed out) within t...
std::vector< vtkSmartPointer< vtkAxis > > Axes
The 3 axes of this chart.
bool Spin(const vtkContextMouseEvent &mouse)
Spin the chart in response to a mouse movement.
bool Rotate(RotateDirection rotateDirection)
Rotate the chart in a specific direction.
void GetClippingPlaneEquation(int i, double *planeEquation)
Get the equation for the ith face of our bounding cube.
vtkNew< vtkPlaneCollection > BoundingCube
The six planes that define the bounding cube of our 3D axes.
virtual void CalculateTransforms()
Calculate the transformation matrices used to draw data points and axes in the scene.
vtkNew< vtkTransform > Rotation
This transform keeps track of how the chart has been rotated.
void LegacyDetermineWhichAxesToLabel()
Old-style axis labelling, for compatibility; labelling may occur in less optimal places e....
void DrawAxes(vtkContext3D *context)
Draw the cube axes of this chart.
vtkNew< vtkPen > AxisPen
This is the pen that is used to draw the axes.
int XAxisToLabel[3]
Which line to label.
bool CalculatePlotTransform(vtkAxis *x, vtkAxis *y, vtkAxis *z, vtkTransform *transform)
Given the x, y and z vtkAxis, and a transform, calculate the transform that the points in a chart wou...
vtkNew< vtkTransform > BoxScale
This transform keeps track of how the axes have been scaled (zoomed in or zoomed out).
std::string ZAxisLabel
The label for the Z Axis.
bool ClippingPlanesEnabled
Hide data outside the box.
void LookUpZ()
Adjust the rotation of the chart so that we are looking up the Z axis.
void GetOffsetForAxisLabel(int axis, float *bounds, float *offset)
Compute how some text should be offset from an axis.
void ClearPlots()
Remove all the plots from this chart.
std::size_t GetPlotHeight() const
Gets the current height of the plot in pixels irrespective of the size-strategy used.
void DetermineWhichAxesToLabel()
For each of the XYZ dimensions, find the axis line that is furthest from the rendered data.
std::vector< vtkPlot3D * > Plots
The plots that are drawn within this chart.
vtkNew< vtkTransform > ContextTransform
This is the transform that is applied when rendering data from the plots.
void LookDownX()
Adjust the rotation of the chart so that we are looking down the X axis.
bool DrawAxesDecoration
This boolean indicates whether or not we should draw tick marks and axes labels.
vtkSmartPointer< vtkAnnotationLink > Link
This link is used to share selected points with other classes.
std::size_t GetMarginBottom() const
Gets the current margin top in pixels irrespective of the size-strategy used.
Direction
The direction to data from an axis.
float TickLabelOffset[3][2]
This member variable stores the size of the tick labels for each axis.
void SetAroundX(bool isX)
Set whether or not we're rotating about the X axis.
void SetMargins(const vtkVector4i &margins)
Set the margins in pixels ordered top right bottom left The box will be drawn inside those margins,...
void ZoomAxes(int delta)
Change the scaling of the axes by a specified amount.
void LookUpY()
Adjust the rotation of the chart so that we are looking up the Y axis.
void SetDecorateAxes(bool b)
Set whether or not axes labels & tick marks should be drawn.
vtkNew< vtkTransform > Translation
This transform keeps track of how the data points have been panned within the chart.
void InitializeFutureBox()
Initialize the "future box" transform.
vtkNew< vtkTransform > PlotTransform
This transform translates and scales the plots' data points so that they appear within the axes of th...
bool CheckForSceneResize()
Check to see if the scene changed size since the last render.
void InitializeAxesBoundaryPoints()
Initialize a list of "test points".
vtkColor4ub GetAxisColor()
Set the color for the axes.
bool KeyPressEvent(const vtkContextKeyEvent &key) override
Key press event.
void ScaleUpAxes()
Scale up the axes when the scene gets larger.
double Angle
When we're in AutoRotate mode, this value tells the chart how much it should be rotated.
void SetGeometry(const vtkRectf &bounds)
Set the geometry in pixel coordinates (origin and width/height).
virtual void SetAxis(int axisIndex, vtkAxis *axis)
Set the x (0), y (1) or z (2) axis.
void ComputeDataBounds()
Compute a bounding box for the data that is rendered within the axes.
double DataBounds[4]
A bounding box surrounding the currently rendered data points.
void LookDownZ()
Adjust the rotation of the chart so that we are looking down the Z axis.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkNew< vtkTextProperty > AxesTextProperty
The text properties of the axes.
bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse) override
Mouse press event.
bool ScaleBoxWithPlot
When rotating the mousewheel, scale not only the plot but also the box.
void RecalculateBounds()
Determine the XYZ bounds of the plots within this chart.
void SetFitToScene(bool b)
Set whether or not the chart should automatically resize itself to fill the scene.
void NewDetermineWhichAxesToLabel()
New style axis labelling, ensuring labelling is always at the edges of the chart in the most sensible...
bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta) override
Mouse wheel event.
bool MouseMoveEvent(const vtkContextMouseEvent &mouse) override
Mouse move event.
AxisState
The state of an axis.
vtkVector4i Margins
The margins in pixels for the box ordered top right bottom left Applicable only when SizeStrategy == ...
void LookDownY()
Adjust the rotation of the chart so that we are looking down the Y axis.
std::vector< vtkIdType > FreePlaces
These plots got removed (from Plots), try to reuse the free spot.
std::size_t GetPlotWidth() const
Gets the current width of the plot in pixels irrespective of the size-strategy used.
vtkTextProperty * GetAxesTextProperty()
Get the text property for axes.
bool EnsureOuterEdgeAxisLabelling
If set to true, use the new behaviour of ensuring that axis labels are on the outer edges of the char...
virtual void SetAnnotationLink(vtkAnnotationLink *link)
Set the vtkAnnotationLink for the chart.
void RecalculateTransform()
Use this chart's Geometry to set the endpoints of its axes.
int SceneWidth
The weight of the scene, as of the most recent call to Paint().
virtual vtkIdType AddPlot(vtkPlot3D *plot)
Adds a plot to the chart.
bool Hit(const vtkContextMouseEvent &mouse) override
Returns true if the transform is interactive, false otherwise.
std::size_t GetMarginLeft() const
Gets the current margin left in pixels irrespective of the size-strategy used.
bool Pan(const vtkContextMouseEvent &mouse)
Pan the data within the chart in response to a mouse movement.
float AxesBoundaryPoints[8][3]
Points used to determine whether the axes will fit within the scene as currently sized,...
bool IsX
When we're in AutoRotate mode, this boolean tells us if we should rotate about the X axis or the Y ax...
Class for drawing 2D primitives to a graphical context.
Class for drawing 3D primitives to a graphical context.
vtkContextItem()=default
data structure to represent key events.
data structure to represent mouse events.
a simple class to control print indentation
Definition vtkIndent.h:29
Allocate and hold a VTK object.
Definition vtkNew.h:58
provides a pen that draws the outlines of shapes drawn by vtkContext2D.
Definition vtkPen.h:30
maintain a list of planes
Abstract class for 3D plots.
Definition vtkPlot3D.h:36
Hold a reference to a vtkObjectBase instance.
Wrapper around std::string to keep symbols short.
A table, which contains similar-typed columns of data.
Definition vtkTable.h:60
represent text properties.
describes linear transformations via a 4x4 matrix
dynamic, self-adjusting array of unsigned char
int vtkIdType
Definition vtkType.h:332
#define VTK_MARSHALAUTO
#define max(a, b)