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vtkImage3DCroppingBoxCallback.cxx
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1 /*========================================================================
2  Copyright (c) INRIA - ASCLEPIOS Project (http://www-sop.inria.fr/asclepios).
3  All rights reserved.
4 
5  Redistribution and use in source and binary forms, with or without
6  modification, are permitted provided that the following conditions are met:
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8  * Redistributions of source code must retain the above copyright notice,
9  this list of conditions and the following disclaimer.
10 
11  * Redistributions in binary form must reproduce the above copyright notice,
12  this list of conditions and the following disclaimer in the documentation
13  and/or other materials provided with the distribution.
14 
15  * Neither the name of INRIA or ASCLEPIOS, nor the names of any contributors
16  may be used to endorse or promote products derived from this software
17  without specific prior written permission.
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22  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
23  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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28  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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31  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  =========================================================================*/
33 
34 /*=========================================================================
35  Modifications were made by the GoFigure Dev. Team.
36  while at Megason Lab, Systems biology, Harvard Medical school, 2009-11
37 
38  Copyright (c) 2009-11, President and Fellows of Harvard College.
39  All rights reserved.
40 
41  Redistribution and use in source and binary forms, with or without
42  modification, are permitted provided that the following conditions are met:
43 
44  Redistributions of source code must retain the above copyright notice,
45  this list of conditions and the following disclaimer.
46  Redistributions in binary form must reproduce the above copyright notice,
47  this list of conditions and the following disclaimer in the documentation
48  and/or other materials provided with the distribution.
49  Neither the name of the President and Fellows of Harvard College
50  nor the names of its contributors may be used to endorse or promote
51  products derived from this software without specific prior written
52  permission.
53 
54  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
56  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
57  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
58  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
59  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
60  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
61  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
62  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
63  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
64  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 
66  =========================================================================*/
67 
69 
70 #include "vtkSmartPointer.h"
71 #include "vtkBoxWidget.h"
72 #include "vtkPolyData.h"
73 
75  unsigned long, void *)
76 {
77  if ( !this->VolumeMapper )
78  {
79  return;
80  }
81 
82  // get the box widget
83  vtkBoxWidget *widget = reinterpret_cast< vtkBoxWidget * >( caller );
84 
85  if ( !widget )
86  {
87  return;
88  }
89 
90  // Get the poly data defined by the vtkBoxWidget
91  vtkSmartPointer< vtkPolyData > myBox = vtkSmartPointer< vtkPolyData >::New();
92  widget->GetPolyData(myBox);
93 
94  double bounds[6] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
95  this->VolumeMapper->GetBounds(bounds);
96 
97  // myBox contains 15 points and points 8 to 13
98  // define the bounding box
99  double xmin, xmax, ymin, ymax, zmin, zmax;
100  double *pt = myBox->GetPoint(8);
101  xmin = pt[0];
102  pt = myBox->GetPoint(9);
103  xmax = pt[0];
104  pt = myBox->GetPoint(10);
105  ymin = pt[1];
106  pt = myBox->GetPoint(11);
107  ymax = pt[1];
108  pt = myBox->GetPoint(12);
109  zmin = pt[2];
110  pt = myBox->GetPoint(13);
111  zmax = pt[2];
112 
113  if ( xmin < bounds[0] ) { xmin = bounds[0]; }
114  if ( ymin < bounds[2] ) { ymin = bounds[2]; }
115  if ( zmin < bounds[4] ) { zmin = bounds[4]; }
116  if ( xmax > bounds[1] ) { xmax = bounds[1]; }
117  if ( ymax > bounds[3] ) { ymax = bounds[3]; }
118  if ( zmax > bounds[5] ) { zmax = bounds[5]; }
119 
120  this->VolumeMapper->SetCroppingRegionFlagsToSubVolume();
121  this->VolumeMapper->SetCroppingRegionPlanes(xmin, xmax,
122  ymin, ymax,
123  zmin, zmax);
124 }
virtual void Execute(vtkObject *caller, unsigned long, void *)