1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkClipPlanesPainter.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkClipPlanesPainter.h"
#include "vtkInformation.h"
#include "vtkInformationObjectBaseKey.h"
#include "vtkObjectFactory.h"
#include "vtkPlaneCollection.h"
#include "vtkBoundingBox.h"
// Return NULL if no override is supplied.
vtkAbstractObjectFactoryNewMacro(vtkClipPlanesPainter)
vtkCxxSetObjectMacro(vtkClipPlanesPainter, ClippingPlanes, vtkPlaneCollection);
vtkInformationKeyMacro(vtkClipPlanesPainter, CLIPPING_PLANES, ObjectBase);
//-----------------------------------------------------------------------------
vtkClipPlanesPainter::vtkClipPlanesPainter()
{
this->ClippingPlanes = 0;
}
//-----------------------------------------------------------------------------
vtkClipPlanesPainter::~vtkClipPlanesPainter()
{
this->SetClippingPlanes(0);
}
//-----------------------------------------------------------------------------
void vtkClipPlanesPainter::ProcessInformation(vtkInformation* info)
{
if (info->Has(CLIPPING_PLANES()))
{
this->SetClippingPlanes(vtkPlaneCollection::SafeDownCast(
info->Get(CLIPPING_PLANES())));
}
this->Superclass::ProcessInformation(info);
}
//-----------------------------------------------------------------------------
void vtkClipPlanesPainter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "ClippingPlanes:";
if ( this->ClippingPlanes )
{
os << endl;
this->ClippingPlanes->PrintSelf(os,indent.GetNextIndent());
}
else
{
os << " (none)" << endl;
}
}
//-----------------------------------------------------------------------------
void vtkClipPlanesPainter::UpdateBounds(double bounds[6])
{
if(!vtkBoundingBox::IsValid(bounds))
{
return;
}
vtkPlaneCollection* planes =this->ClippingPlanes;
if(planes)
{
int numPlanes = planes->GetNumberOfItems();
for(int i=0; i<numPlanes; i++)
{
vtkPlane *plane = planes->GetItem(i);
if(plane)
{
double n[3],p[3];
plane->GetNormal(n);
plane->GetOrigin(p);
vtkBoundingBox bb(bounds);
if(bb.IntersectPlane(p,n))
{
bb.GetBounds(bounds);
}
}
}
}
}
|
