You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
3 weeks ago
|
/*=========================================================================
|
||
|
|
|
||
|
|
Program: Visualization Toolkit
|
||
|
|
Module: vtkTreeOrbitLayoutStrategy.h
|
||
|
|
|
||
|
|
=========================================================================*/
|
||
|
|
/*----------------------------------------------------------------------------
|
||
|
|
Copyright (c) Sandia Corporation
|
||
|
|
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
|
||
|
|
----------------------------------------------------------------------------*/
|
||
|
|
/**
|
||
|
|
* @class vtkTreeOrbitLayoutStrategy
|
||
|
|
* @brief hierarchical orbital layout
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* Assigns points to the nodes of a tree to an orbital layout. Each parent
|
||
|
|
* is orbited by its children, recursively.
|
||
|
|
*
|
||
|
|
* @par Thanks:
|
||
|
|
* Thanks to the galaxy for inspiring this layout strategy.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef vtkTreeOrbitLayoutStrategy_h
|
||
|
|
#define vtkTreeOrbitLayoutStrategy_h
|
||
|
|
|
||
|
|
#include "vtkGraphLayoutStrategy.h"
|
||
|
|
#include "vtkInfovisLayoutModule.h" // For export macro
|
||
|
|
|
||
|
|
class vtkPoints;
|
||
|
|
class vtkTree;
|
||
|
|
|
||
|
|
class VTKINFOVISLAYOUT_EXPORT vtkTreeOrbitLayoutStrategy : public vtkGraphLayoutStrategy
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
static vtkTreeOrbitLayoutStrategy* New();
|
||
|
|
|
||
|
|
vtkTypeMacro(vtkTreeOrbitLayoutStrategy, vtkGraphLayoutStrategy);
|
||
|
|
void PrintSelf(ostream& os, vtkIndent indent) override;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Perform the orbital layout.
|
||
|
|
*/
|
||
|
|
void Layout() override;
|
||
|
|
|
||
|
|
//@{
|
||
|
|
/**
|
||
|
|
* The spacing of orbital levels. Levels near zero give more space
|
||
|
|
* to levels near the root, while levels near one (the default)
|
||
|
|
* create evenly-spaced levels. Levels above one give more space
|
||
|
|
* to levels near the leaves.
|
||
|
|
*/
|
||
|
|
vtkSetMacro(LogSpacingValue, double);
|
||
|
|
vtkGetMacro(LogSpacingValue, double);
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//@{
|
||
|
|
/**
|
||
|
|
* The spacing of leaves. Levels near one evenly space leaves
|
||
|
|
* with no gaps between subtrees. Levels near zero creates
|
||
|
|
* large gaps between subtrees.
|
||
|
|
*/
|
||
|
|
vtkSetClampMacro(LeafSpacing, double, 0.0, 1.0);
|
||
|
|
vtkGetMacro(LeafSpacing, double);
|
||
|
|
//@}
|
||
|
|
|
||
|
|
//@{
|
||
|
|
/**
|
||
|
|
* This is a magic number right now. Controls the radius
|
||
|
|
* of the child layout, all of this should be fixed at
|
||
|
|
* some point with a more logical layout. Defaults to .5 :)
|
||
|
|
*/
|
||
|
|
vtkSetMacro(ChildRadiusFactor, double);
|
||
|
|
vtkGetMacro(ChildRadiusFactor, double);
|
||
|
|
//@}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
vtkTreeOrbitLayoutStrategy();
|
||
|
|
~vtkTreeOrbitLayoutStrategy() override;
|
||
|
|
|
||
|
|
void OrbitChildren(vtkTree* t, vtkPoints* p, vtkIdType parent, double radius);
|
||
|
|
|
||
|
|
double LogSpacingValue;
|
||
|
|
double LeafSpacing;
|
||
|
|
double ChildRadiusFactor;
|
||
|
|
|
||
|
|
private:
|
||
|
|
vtkTreeOrbitLayoutStrategy(const vtkTreeOrbitLayoutStrategy&) = delete;
|
||
|
|
void operator=(const vtkTreeOrbitLayoutStrategy&) = delete;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|