VTK
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Contour interpolator for placing points on an image. More...
#include <vtkDijkstraImageContourLineInterpolator.h>
Public Member Functions | |
virtual int | InterpolateLine (vtkRenderer *ren, vtkContourRepresentation *rep, int idx1, int idx2) |
virtual void | SetCostImage (vtkImageData *) |
virtual vtkImageData * | GetCostImage () |
virtual vtkDijkstraImageGeodesicPath * | GetDijkstraImageGeodesicPath () |
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virtual int | UpdateNode (vtkRenderer *, vtkContourRepresentation *, double *vtkNotUsed(node), int vtkNotUsed(idx)) |
virtual void | GetSpan (int nodeIndex, vtkIntArray *nodeIndices, vtkContourRepresentation *rep) |
vtkContourLineInterpolator * | NewInstance () const |
void | PrintSelf (ostream &os, vtkIndent indent) |
Static Public Member Functions | |
static vtkDijkstraImageContourLineInterpolator * | New () |
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static int | IsTypeOf (const char *type) |
static vtkContourLineInterpolator * | SafeDownCast (vtkObjectBase *o) |
Protected Member Functions | |
vtkDijkstraImageContourLineInterpolator () | |
~vtkDijkstraImageContourLineInterpolator () | |
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vtkContourLineInterpolator () | |
~vtkContourLineInterpolator () | |
Protected Attributes | |
vtkImageData * | CostImage |
vtkDijkstraImageGeodesicPath * | DijkstraImageGeodesicPath |
typedef vtkContourLineInterpolator | Superclass |
static int | IsTypeOf (const char *type) |
static vtkDijkstraImageContourLineInterpolator * | SafeDownCast (vtkObjectBase *o) |
virtual int | IsA (const char *type) |
vtkDijkstraImageContourLineInterpolator * | NewInstance () const |
void | PrintSelf (ostream &os, vtkIndent indent) |
virtual vtkObjectBase * | NewInstanceInternal () const |
Contour interpolator for placing points on an image.
vtkDijkstraImageContourLineInterpolator interpolates and places contour points on images. The class interpolates nodes by computing a graph laying on the image data. By graph, we mean that the line interpolating the two end points traverses along pixels so as to form a shortest path. A Dijkstra algorithm is used to compute the path.
The class is meant to be used in conjunction with vtkImageActorPointPlacer. One reason for this coupling is a performance issue: both classes need to perform a cell pick, and coupling avoids multiple cell picks (cell picks are slow). Another issue is that the interpolator may need to set the image input to its vtkDijkstraImageGeodesicPath ivar.
Definition at line 49 of file vtkDijkstraImageContourLineInterpolator.h.
Standard methods for instances of this class.
Definition at line 56 of file vtkDijkstraImageContourLineInterpolator.h.
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Standard methods for instances of this class.
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Standard methods for instances of this class.
Reimplemented from vtkContourLineInterpolator.
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Standard methods for instances of this class.
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Standard methods for instances of this class.
Reimplemented from vtkContourLineInterpolator.
vtkDijkstraImageContourLineInterpolator* vtkDijkstraImageContourLineInterpolator::NewInstance | ( | ) | const |
Standard methods for instances of this class.
void vtkDijkstraImageContourLineInterpolator::PrintSelf | ( | ostream & | os, |
vtkIndent | indent | ||
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Standard methods for instances of this class.
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Subclasses that wish to interpolate a line segment must implement this. For instance vtkBezierContourLineInterpolator adds nodes between idx1 and idx2, that allow the contour to adhere to a bezier curve.
Implements vtkContourLineInterpolator.
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Set the image data for the vtkDijkstraImageGeodesicPath. If not set, the interpolator uses the image data input to the image actor. The image actor is obtained from the expected vtkImageActorPointPlacer.
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Set the image data for the vtkDijkstraImageGeodesicPath. If not set, the interpolator uses the image data input to the image actor. The image actor is obtained from the expected vtkImageActorPointPlacer.
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access to the internal dijkstra path
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Definition at line 89 of file vtkDijkstraImageContourLineInterpolator.h.
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Definition at line 90 of file vtkDijkstraImageContourLineInterpolator.h.