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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkExtractLevel.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 "vtkExtractLevel.h"
#include "vtkCompositeDataPipeline.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkUniformGrid.h"
#include "vtkUniformGridAMR.h"
#include "vtkOverlappingAMR.h"
#include <set>
#include <vector>
class vtkExtractLevel::vtkSet : public std::set<unsigned int>
{
};
vtkStandardNewMacro(vtkExtractLevel);
//----------------------------------------------------------------------------
vtkExtractLevel::vtkExtractLevel()
{
this->Levels = new vtkExtractLevel::vtkSet();
}
//----------------------------------------------------------------------------
vtkExtractLevel::~vtkExtractLevel()
{
delete this->Levels;
}
//----------------------------------------------------------------------------
void vtkExtractLevel::AddLevel(unsigned int level)
{
this->Levels->insert(level);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkExtractLevel::RemoveLevel(unsigned int level)
{
this->Levels->erase(level);
this->Modified();
}
//----------------------------------------------------------------------------
void vtkExtractLevel::RemoveAllLevels()
{
this->Levels->clear();
this->Modified();
}
//------------------------------------------------------------------------------
int vtkExtractLevel::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info )
{
info->Set(
vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(),"vtkUniformGridAMR");
return 1;
}
//------------------------------------------------------------------------------
int vtkExtractLevel::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation *info )
{
info->Set(vtkDataObject::DATA_TYPE_NAME(),"vtkMultiBlockDataSet");
return 1;
}
int vtkExtractLevel::RequestUpdateExtent(vtkInformation* , vtkInformationVector** inputVector,vtkInformationVector* )
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
// Check if metadata are passed downstream
if( inInfo->Has(vtkCompositeDataPipeline::COMPOSITE_DATA_META_DATA() ) )
{
vtkOverlappingAMR *metadata = vtkOverlappingAMR::SafeDownCast(
inInfo->Get(vtkCompositeDataPipeline::COMPOSITE_DATA_META_DATA()));
if(metadata)
{
// cout<<"Time dependent? "<<inInfo->Has(vtkStreamingDemandDrivenPipeline::TIME_DEPENDENT_INFORMATION())<<endl;
// std::cout<<"Receive Meta Data: ";
// for(int levelIdx=0 ; levelIdx < metadata->GetNumberOfLevels(); ++levelIdx )
// {
// std::cout << " \tL(" << levelIdx << ") = "
// << metadata->GetNumberOfDataSets( levelIdx ) << " ";
// std::cout.flush();
// } // END for levels
// std::cout<<endl;
// Tell reader to load all requested blocks.
inInfo->Set( vtkCompositeDataPipeline::LOAD_REQUESTED_BLOCKS(), 1 );
// request the blocks
std::vector<int> blocksToLoad;
for(vtkExtractLevel::vtkSet::iterator iter =this->Levels->begin(); iter!= this->Levels->end(); ++iter )
{
unsigned int level = (*iter);
for(unsigned int dataIdx=0;dataIdx < metadata->GetNumberOfDataSets(level);++dataIdx )
{
blocksToLoad.push_back(metadata->GetCompositeIndex(level,dataIdx));
}
}
inInfo->Set( vtkCompositeDataPipeline::UPDATE_COMPOSITE_INDICES(),&blocksToLoad[0], static_cast<int>(blocksToLoad.size()));
}
}
return 1;
}
//----------------------------------------------------------------------------
int vtkExtractLevel::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector )
{
// STEP 0: Get input object
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkUniformGridAMR *input =
vtkUniformGridAMR::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
if( input == NULL )
{
return( 0 );
}
// STEP 1: Get output object
vtkInformation* info = outputVector->GetInformationObject(0);
vtkMultiBlockDataSet *output =
vtkMultiBlockDataSet::SafeDownCast(
info->Get(vtkDataObject::DATA_OBJECT()));
if( output == NULL )
{
return( 0 );
}
// STEP 2: Compute the total number of blocks to be loaded
unsigned int numBlocksToLoad = 0;
vtkExtractLevel::vtkSet::iterator iter;
for( iter =this->Levels->begin(); iter != this->Levels->end(); ++iter )
{
unsigned int level = (*iter);
numBlocksToLoad += input->GetNumberOfDataSets(level);
} // END for all requested levels
output->SetNumberOfBlocks( numBlocksToLoad );
// STEP 3: Load the blocks at the selected levels
if( numBlocksToLoad > 0 )
{
iter = this->Levels->begin();
unsigned int blockIdx = 0;
for( ;iter != this->Levels->end(); ++iter )
{
unsigned int level = (*iter);
unsigned int dataIdx = 0;
for(; dataIdx < input->GetNumberOfDataSets(level); ++dataIdx )
{
vtkUniformGrid* data = input->GetDataSet(level,dataIdx);
if( data != NULL )
{
vtkUniformGrid *copy = data->NewInstance();
copy->ShallowCopy( data );
output->SetBlock( blockIdx, copy );
copy->Delete();
++blockIdx;
} // END if data is not NULL
} // END for all data at level l
} // END for all requested levels
} // END if numBlocksToLoad is greater than 0
return( 1 );
}
//----------------------------------------------------------------------------
void vtkExtractLevel::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
|
