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vtkPolyDataMySQLContourReader.cxx
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1 /*=========================================================================
2  Authors: The GoFigure Dev. Team.
3  at Megason Lab, Systems biology, Harvard Medical school, 2009-11
4 
5  Copyright (c) 2009-11, President and Fellows of Harvard College.
6  All rights reserved.
7 
8  Redistribution and use in source and binary forms, with or without
9  modification, are permitted provided that the following conditions are met:
10 
11  Redistributions of source code must retain the above copyright notice,
12  this list of conditions and the following disclaimer.
13  Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16  Neither the name of the President and Fellows of Harvard College
17  nor the names of its contributors may be used to endorse or promote
18  products derived from this software without specific prior written
19  permission.
20 
21  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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31  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 
33 =========================================================================*/
34 
36 
37 #include "vtkObjectFactory.h"
38 #include "vtkCellArray.h"
39 #include "vtkPolyData.h"
40 
41 #include <sstream>
42 
45 
46 //--------------------------------------------------------------------------
48 {
49 }
50 
51 //--------------------------------------------------------------------------
52 
53 //--------------------------------------------------------------------------
56 {
57 }
58 
59 //--------------------------------------------------------------------------
60 
61 //--------------------------------------------------------------------------
62 vtkSmartPointer< vtkPolyData >
63 vtkPolyDataMySQLContourReader::GetPolyData(const std::string & iString)
64 {
65  vtkSmartPointer< vtkPolyData > oContour = vtkSmartPointer< vtkPolyData >::New();
66  vtkSmartPointer< vtkPoints > points = vtkSmartPointer< vtkPoints >::New();
67 
68  std::stringstream str(iString);
69 
70  vtkIdType N;
71  // NOTE ALEX:
72  // As expected the problem is here in the Reader ....
73  // the following line takes the first char of the string off
74  // str >> quote >> N;
75  // in the case I m dealing with, there is no characters to skip
76  // Thus resulting dropping the frist 1 of 111 to make it eleven.
77  // great ...
78  str >> N;
79  points->SetNumberOfPoints(N);
80 
81  double pt[3];
82 
83  for ( vtkIdType i = 0; i < N; i++ )
84  {
85  str >> pt[0] >> pt[1] >> pt[2];
86  points->SetPoint(i, pt);
87  }
88  oContour->SetPoints(points);
89 
90  vtkSmartPointer< vtkCellArray > cells = vtkSmartPointer< vtkCellArray >::New();
91  vtkIdType * ids = new vtkIdType[N + 1];
92 
93  for ( vtkIdType i = 0; i < N; i++ )
94  {
95  ids[i] = i;
96  }
97 
98  ids[N] = 0;
99  cells->InsertNextCell(N + 1, ids);
100  oContour->SetLines(cells);
101 
102  delete[] ids;
103 
104  return oContour;
105 }
106 
107 //--------------------------------------------------------------------------
vtkCxxRevisionMacro(vtkFillImageWithPolyData,"$Revision: 490 $")
vtkSmartPointer< vtkPolyData > GetPolyData(const std::string &iString)
Reads a string and convert it into a contour polydata.
vtkStandardNewMacro(vtkFillImageWithPolyData)