VTK
vtkImageToPolyDataFilter.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkImageToPolyDataFilter.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
67#ifndef vtkImageToPolyDataFilter_h
68#define vtkImageToPolyDataFilter_h
69
70#include "vtkFiltersHybridModule.h" // For export macro
72
73#define VTK_STYLE_PIXELIZE 0
74#define VTK_STYLE_POLYGONALIZE 1
75#define VTK_STYLE_RUN_LENGTH 2
76
77#define VTK_COLOR_MODE_LUT 0
78#define VTK_COLOR_MODE_LINEAR_256 1
79
80class vtkDataArray;
81class vtkEdgeTable;
82class vtkIdTypeArray;
83class vtkIntArray;
86class vtkTimeStamp;
88
89class VTKFILTERSHYBRID_EXPORT vtkImageToPolyDataFilter : public vtkPolyDataAlgorithm
90{
91public:
93 void PrintSelf(ostream& os, vtkIndent indent);
94
99
101
109 vtkSetClampMacro(OutputStyle,int,VTK_STYLE_PIXELIZE,VTK_STYLE_RUN_LENGTH);
110 vtkGetMacro(OutputStyle,int);
112 {this->SetOutputStyle(VTK_STYLE_PIXELIZE);};
114 {this->SetOutputStyle(VTK_STYLE_POLYGONALIZE);};
116 {this->SetOutputStyle(VTK_STYLE_RUN_LENGTH);};
118
120
123 vtkSetClampMacro(ColorMode,int,VTK_COLOR_MODE_LUT,VTK_COLOR_MODE_LINEAR_256);
124 vtkGetMacro(ColorMode,int);
126 {this->SetColorMode(VTK_COLOR_MODE_LUT);};
128 {this->SetColorMode(VTK_COLOR_MODE_LINEAR_256);};
130
132
137 vtkGetObjectMacro(LookupTable,vtkScalarsToColors);
139
141
145 vtkSetMacro(Smoothing, int);
146 vtkGetMacro(Smoothing, int);
147 vtkBooleanMacro(Smoothing, int);
149
151
155 vtkSetClampMacro(NumberOfSmoothingIterations,int,0,VTK_INT_MAX);
156 vtkGetMacro(NumberOfSmoothingIterations,int);
158
160
164 vtkSetMacro(Decimation, int);
165 vtkGetMacro(Decimation, int);
166 vtkBooleanMacro(Decimation, int);
168
170
176 vtkSetClampMacro(DecimationError,double,0.0,VTK_DOUBLE_MAX);
177 vtkGetMacro(DecimationError,double);
179
181
186 vtkSetClampMacro(Error,int,0,VTK_INT_MAX);
187 vtkGetMacro(Error,int);
189
191
198 vtkSetClampMacro(SubImageSize,int,10,VTK_INT_MAX);
199 vtkGetMacro(SubImageSize,int);
201
202protected:
205
208
215 int Error;
218
219 virtual void PixelizeImage(vtkUnsignedCharArray *pixels, int dims[3],
220 double origin[3], double spacing[3],
221 vtkPolyData *output);
222 virtual void PolygonalizeImage(vtkUnsignedCharArray *pixels, int dims[3],
223 double origin[3], double spacing[3],
224 vtkPolyData *output);
225 virtual void RunLengthImage(vtkUnsignedCharArray *pixels, int dims[3],
226 double origin[3], double spacing[3],
227 vtkPolyData *output);
228private:
229 vtkUnsignedCharArray *Table; // color table used to quantize points
230 vtkTimeStamp TableMTime;
231 int *Visited; // traverse & mark connected regions
232 vtkUnsignedCharArray *PolyColors; // the colors of each region -> polygon
233 vtkEdgeTable *EdgeTable; // keep track of intersection points
234 vtkEdgeTable *EdgeUseTable; // keep track of polygons use of edges
235 vtkIntArray *EdgeUses; //the two polygons that use an edge
236 //and point id associated with edge (if any)
237
238 void BuildTable(unsigned char *inPixels);
239 vtkUnsignedCharArray *QuantizeImage(vtkDataArray *inScalars, int numComp,
240 int type, int dims[3], int ext[4]);
241 int ProcessImage(vtkUnsignedCharArray *pixels, int dims[2]);
242 int BuildEdges(vtkUnsignedCharArray *pixels, int dims[3], double origin[3],
243 double spacing[3], vtkUnsignedCharArray *pointDescr,
245 void BuildPolygons(vtkUnsignedCharArray *pointDescr, vtkPolyData *edges,
246 int numPolys, vtkUnsignedCharArray *polyColors);
247 void SmoothEdges(vtkUnsignedCharArray *pointDescr, vtkPolyData *edges);
248 void DecimateEdges(vtkPolyData *edges, vtkUnsignedCharArray *pointDescr,
249 double tol2);
250 void GeneratePolygons(vtkPolyData *edges, int numPolys, vtkPolyData *output,
251 vtkUnsignedCharArray *polyColors,
252 vtkUnsignedCharArray *pointDescr);
253
254 int GetNeighbors(unsigned char *ptr, int &i, int &j, int dims[3],
255 unsigned char *neighbors[4], int mode);
256
257 void GetIJ(int id, int &i, int &j, int dims[2]);
258 unsigned char *GetColor(unsigned char *rgb);
259 int IsSameColor(unsigned char *p1, unsigned char *p2);
260
261private:
262 vtkImageToPolyDataFilter(const vtkImageToPolyDataFilter&) VTK_DELETE_FUNCTION;
263 void operator=(const vtkImageToPolyDataFilter&) VTK_DELETE_FUNCTION;
264};
265
266#endif
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
keep track of edges (edge is pair of integer id's)
Definition: vtkEdgeTable.h:41
dynamic, self-adjusting array of vtkIdType
generate linear primitives (vtkPolyData) from an image
virtual void RunLengthImage(vtkUnsignedCharArray *pixels, int dims[3], double origin[3], double spacing[3], vtkPolyData *output)
virtual int FillInputPortInformation(int port, vtkInformation *info)
Fill the input port information objects for this algorithm.
static vtkImageToPolyDataFilter * New()
Instantiate object with initial number of colors 256.
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
This is called by the superclass.
virtual void SetLookupTable(vtkScalarsToColors *)
Set/Get the vtkLookupTable to use.
virtual void PixelizeImage(vtkUnsignedCharArray *pixels, int dims[3], double origin[3], double spacing[3], vtkPolyData *output)
virtual void PolygonalizeImage(vtkUnsignedCharArray *pixels, int dims[3], double origin[3], double spacing[3], vtkPolyData *output)
a simple class to control print indentation
Definition: vtkIndent.h:40
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:46
Superclass for algorithms that produce only polydata as output.
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition: vtkPolyData.h:86
Superclass for mapping scalar values to colors.
A subclass of ImageData.
record modification and/or execution time
Definition: vtkTimeStamp.h:36
dynamic, self-adjusting array of unsigned char
@ info
Definition: vtkX3D.h:376
@ mode
Definition: vtkX3D.h:247
@ port
Definition: vtkX3D.h:447
@ type
Definition: vtkX3D.h:516
@ spacing
Definition: vtkX3D.h:481
std::pair< boost::graph_traits< vtkGraph * >::edge_iterator, boost::graph_traits< vtkGraph * >::edge_iterator > edges(vtkGraph *g)
#define VTK_COLOR_MODE_LINEAR_256
#define VTK_COLOR_MODE_LUT
#define VTK_STYLE_POLYGONALIZE
#define VTK_STYLE_PIXELIZE
#define VTK_STYLE_RUN_LENGTH
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
vtkBooleanMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
#define VTK_DOUBLE_MAX
Definition: vtkType.h:163
#define VTK_INT_MAX
Definition: vtkType.h:153