layout a vtkTree into packed circles using the front chain algorithm. More...
#include <vtkCirclePackFrontChainLayoutStrategy.h>
Public Types | |
| typedef vtkCirclePackLayoutStrategy | Superclass |
Public Member Functions | |
| virtual int | IsA (const char *type) |
| vtkCirclePackFrontChainLayoutStrategy * | NewInstance () const |
| void | PrintSelf (ostream &os, vtkIndent indent) |
| virtual void | Layout (vtkTree *inputTree, vtkDataArray *areaArray, vtkDataArray *sizeArray) |
| virtual int | GetWidth () |
| virtual void | SetWidth (int) |
| virtual int | GetHeight () |
| virtual void | SetHeight (int) |
Static Public Member Functions | |
| static vtkCirclePackFrontChainLayoutStrategy * | New () |
| static int | IsTypeOf (const char *type) |
| static vtkCirclePackFrontChainLayoutStrategy * | SafeDownCast (vtkObjectBase *o) |
Protected Member Functions | |
| virtual vtkObjectBase * | NewInstanceInternal () const |
| vtkCirclePackFrontChainLayoutStrategy () | |
| ~vtkCirclePackFrontChainLayoutStrategy () | |
Protected Attributes | |
| char * | CirclesFieldName |
| int | Width |
| int | Height |
Detailed Description
layout a vtkTree into packed circles using the front chain algorithm.
vtkCirclePackFrontChainLayoutStrategy assigns circles to each node of the input vtkTree using the front chain algorithm. The algorithm packs circles by searching a "front chain" of circles around the perimeter of the circles that have already been packed for the current level in the tree hierarchy. Searching the front chain is in general faster than searching all of the circles that have been packed at the current level.
WARNING: The algorithm tends to break down and produce packings with overlapping circles when there is a large difference in the radii of the circles at a given level of the tree hierarchy. Roughly on the order a 1000:1 ratio of circle radii.
Please see the following reference for more details on the algorithm.
Title: "Visualization of large hierarchical data by circle packing" Authors: Weixin Wang, Hui Wang, Guozhong Dai, Hongan Wang Conference: Proceedings of the SIGCHI conference on Human Factors in computing systems Year: 2006
Definition at line 55 of file vtkCirclePackFrontChainLayoutStrategy.h.
Member Typedef Documentation
Reimplemented from vtkCirclePackLayoutStrategy.
Definition at line 60 of file vtkCirclePackFrontChainLayoutStrategy.h.
Constructor & Destructor Documentation
Member Function Documentation
| static vtkCirclePackFrontChainLayoutStrategy* vtkCirclePackFrontChainLayoutStrategy::New | ( | ) | [static] |
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
Reimplemented from vtkObject.
| static int vtkCirclePackFrontChainLayoutStrategy::IsTypeOf | ( | const char * | name | ) | [static] |
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 vtkTypeMacro found in vtkSetGet.h.
Reimplemented from vtkCirclePackLayoutStrategy.
| virtual int vtkCirclePackFrontChainLayoutStrategy::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 vtkCirclePackLayoutStrategy.
| static vtkCirclePackFrontChainLayoutStrategy* vtkCirclePackFrontChainLayoutStrategy::SafeDownCast | ( | vtkObjectBase * | o | ) | [static] |
Reimplemented from vtkCirclePackLayoutStrategy.
| virtual vtkObjectBase* vtkCirclePackFrontChainLayoutStrategy::NewInstanceInternal | ( | ) | const [protected, virtual] |
Reimplemented from vtkCirclePackLayoutStrategy.
Reimplemented from vtkCirclePackLayoutStrategy.
| void vtkCirclePackFrontChainLayoutStrategy::PrintSelf | ( | ostream & | os, |
| vtkIndent | indent | ||
| ) | [virtual] |
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 vtkCirclePackLayoutStrategy.
| virtual void vtkCirclePackFrontChainLayoutStrategy::Layout | ( | vtkTree * | inputTree, |
| vtkDataArray * | areaArray, | ||
| vtkDataArray * | sizeArray | ||
| ) | [virtual] |
Perform the layout of the input tree, and store the circle bounds of each vertex as a tuple in a data array. (Xcenter, Ycenter, Radius).
Implements vtkCirclePackLayoutStrategy.
| virtual int vtkCirclePackFrontChainLayoutStrategy::GetWidth | ( | ) | [virtual] |
Width and Height define the size of the output window that the circle packing is placed inside. Defaults to Width 1, Height 1
| virtual void vtkCirclePackFrontChainLayoutStrategy::SetWidth | ( | int | ) | [virtual] |
Width and Height define the size of the output window that the circle packing is placed inside. Defaults to Width 1, Height 1
| virtual int vtkCirclePackFrontChainLayoutStrategy::GetHeight | ( | ) | [virtual] |
Width and Height define the size of the output window that the circle packing is placed inside. Defaults to Width 1, Height 1
| virtual void vtkCirclePackFrontChainLayoutStrategy::SetHeight | ( | int | ) | [virtual] |
Width and Height define the size of the output window that the circle packing is placed inside. Defaults to Width 1, Height 1
Member Data Documentation
char* vtkCirclePackFrontChainLayoutStrategy::CirclesFieldName [protected] |
Definition at line 83 of file vtkCirclePackFrontChainLayoutStrategy.h.
int vtkCirclePackFrontChainLayoutStrategy::Width [protected] |
Definition at line 84 of file vtkCirclePackFrontChainLayoutStrategy.h.
int vtkCirclePackFrontChainLayoutStrategy::Height [protected] |
Definition at line 85 of file vtkCirclePackFrontChainLayoutStrategy.h.
The documentation for this class was generated from the following file:
- dox/Infovis/Layout/vtkCirclePackFrontChainLayoutStrategy.h
