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vtkDSPFilterGroup.cxx
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vtkDSPFilterGroup.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkDSPFilterGroup.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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkDSPFilterGroup.h"
#include "vtkCell.h"
#include "vtkCellData.h"
#include "vtkPointData.h"
#include "vtkFloatArray.h"
#include "vtkIdList.h"
#include "vtkIntArray.h"
#include "vtkMath.h"
#include "vtkObjectFactory.h"
#include "vtkStructuredGrid.h"
#include "vtkObjectFactory.h"
#include "vtkDSPFilterDefinition.h"
#include <ctype.h>
#include <vtkstd/vector>
#include <vtkstd/string>
vtkStandardNewMacro(vtkDSPFilterGroup);
class vtkDSPFilterGroupVectorIntSTLCloak
{
public:
vtkstd::vector<int> m_vector;
};
class vtkDSPFilterGroupVectorVectorIntSTLCloak
{
public:
vtkstd::vector< vtkstd::vector<int> > m_vector;
};
class vtkDSPFilterGroupVectorArraySTLCloak
{
public:
vtkstd::vector<vtkFloatArray *> m_vector;
};
class vtkDSPFilterGroupVectorVectorArraySTLCloak
{
public:
vtkstd::vector< vtkstd::vector<vtkFloatArray *> > m_vector;
};
class vtkDSPFilterGroupVectorStringSTLCloak
{
public:
vtkstd::vector<vtkstd::string> m_vector;
};
class vtkDSPFilterGroupVectorDefinitionSTLCloak
{
public:
vtkstd::vector<vtkDSPFilterDefinition *> m_vector;
};
//----------------------------------------------------------------------------
vtkDSPFilterGroup::vtkDSPFilterGroup()
{
this->FilterDefinitions = new vtkDSPFilterGroupVectorDefinitionSTLCloak;
this->CachedInputs = new vtkDSPFilterGroupVectorArraySTLCloak;
this->CachedInputNames = new vtkDSPFilterGroupVectorStringSTLCloak;
this->CachedInputTimesteps = new vtkDSPFilterGroupVectorIntSTLCloak;
this->CachedOutputs = new vtkDSPFilterGroupVectorVectorArraySTLCloak;
this->CachedOutputTimesteps = new vtkDSPFilterGroupVectorVectorIntSTLCloak;
this->FilterDefinitions->m_vector.resize(0);
this->CachedInputs->m_vector.resize(0);
this->CachedInputNames->m_vector.resize(0);
this->CachedInputTimesteps->m_vector.resize(0);
this->CachedOutputs->m_vector.resize(0);
this->CachedOutputTimesteps->m_vector.resize(0);
}
//----------------------------------------------------------------------------
vtkDSPFilterGroup::~vtkDSPFilterGroup()
{
this->FilterDefinitions->m_vector.resize(0);
this->CachedInputs->m_vector.resize(0);
this->CachedInputNames->m_vector.resize(0);
this->CachedInputTimesteps->m_vector.resize(0);
this->CachedOutputs->m_vector.resize(0);
this->CachedOutputTimesteps->m_vector.resize(0);
delete this->FilterDefinitions;
delete this->CachedInputs;
delete this->CachedInputNames;
delete this->CachedInputTimesteps;
delete this->CachedOutputs;
delete this->CachedOutputTimesteps;
}
//----------------------------------------------------------------------------
void vtkDSPFilterGroup::AddFilter(vtkDSPFilterDefinition *filter)
{
//XXX cant just add this filter, need to check for duplicates and removals?
vtkDSPFilterDefinition *thefilter = vtkDSPFilterDefinition::New();
thefilter->Copy(filter);
this->FilterDefinitions->m_vector.push_back( thefilter );
vtkstd::vector<vtkFloatArray *> l_cachedOutsForThisFilter;
l_cachedOutsForThisFilter.resize(0);
this->CachedOutputs->m_vector.push_back( l_cachedOutsForThisFilter );
vtkstd::vector<int> l_cachedOutTimesForThisFilter;
l_cachedOutTimesForThisFilter.resize(0);
this->CachedOutputTimesteps->m_vector.push_back(l_cachedOutTimesForThisFilter);
#if 0
printf("**********************FILTERS AFTER ADDING FILTER***********************\n");
for(int i=0;i<this->GetNumFilters();i++)
{
vtkDSPFilterDefinition *filterfromlist = this->FilterDefinitions->m_vector[i];
printf("vtkDSPFilterGroup::AddFilter %d of %d input=%s output=%s nums=%d dens=%d forwardnums=%d this=%p\n",
i,this->GetNumFilters(),
filterfromlist->GetInputVariableName(),
filterfromlist->GetOutputVariableName(),
filterfromlist->GetNumNumeratorWeights(),
filterfromlist->GetNumDenominatorWeights(),
filterfromlist->GetNumForwardNumeratorWeights(),
this);
}
printf("************************************************************************\n");
#endif
}
//----------------------------------------------------------------------------
void vtkDSPFilterGroup::RemoveFilter(char *a_outputVariableName)
{
vtkstd::vector<vtkDSPFilterDefinition *>::iterator l_iter;
vtkstd::vector< vtkstd::vector<vtkFloatArray *> >::iterator l_cachedOutputsIter = this->CachedOutputs->m_vector.begin();
vtkstd::vector< vtkstd::vector<int> >::iterator l_cachedOutputTimesIter = this->CachedOutputTimesteps->m_vector.begin();
for(l_iter=this->FilterDefinitions->m_vector.begin();l_iter!=this->FilterDefinitions->m_vector.end();l_iter++)
{
if(!strcmp(a_outputVariableName,(*l_iter)->GetOutputVariableName()))
{
//this is the filter to delete
this->FilterDefinitions->m_vector.erase(l_iter);
if(l_cachedOutputsIter!=this->CachedOutputs->m_vector.end())
this->CachedOutputs->m_vector.erase(l_cachedOutputsIter);
if(l_cachedOutputTimesIter!=this->CachedOutputTimesteps->m_vector.end())
this->CachedOutputTimesteps->m_vector.erase(l_cachedOutputTimesIter);
break;
}
l_cachedOutputsIter++;
l_cachedOutputTimesIter++;
}
#if 0
printf("**********************FILTERS AFTER REMOVING FILTER*********************\n");
for(int i=0;i<this->GetNumFilters();i++)
{
vtkDSPFilterDefinition *filterfromlist = this->FilterDefinitions[i];
printf("vtkDSPFilterGroup::RemoveFilter %d of %d input=%s output=%s nums=%d dens=%d this=%p\n",
i,this->GetNumFilters(),
filterfromlist->GetInputVariableName(),
filterfromlist->GetOutputVariableName(),
filterfromlist->GetNumNumeratorWeights(),
filterfromlist->GetNumDenominatorWeights(),
this);
}
printf("************************************************************************\n");
#endif
}
//----------------------------------------------------------------------------
void vtkDSPFilterGroup::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
//----------------------------------------------------------------------------
const char *vtkDSPFilterGroup::GetInputVariableName( int a_whichFilter )
{
return this->FilterDefinitions->m_vector[a_whichFilter]->GetInputVariableName();
}
//----------------------------------------------------------------------------
bool vtkDSPFilterGroup::IsThisInputVariableInstanceNeeded( const char *a_name, int a_timestep, int a_outputTimestep )
{
for(int i=0; i<this->GetNumFilters(); i++)
{
if( !strcmp(this->FilterDefinitions->m_vector[i]->GetInputVariableName(),a_name) )
{
if( this->FilterDefinitions->m_vector[i]->IsThisInputVariableInstanceNeeded(a_timestep,a_outputTimestep) )
{
return(true);
}
}
}
return(false);
}
//----------------------------------------------------------------------------
bool vtkDSPFilterGroup::IsThisInputVariableInstanceCached( const char *a_name, int a_timestep )
{
for(int i=0;i<(int)this->CachedInputTimesteps->m_vector.size();i++)
{
if(this->CachedInputTimesteps->m_vector[i]==a_timestep)
{
if( this->CachedInputNames->m_vector[i]==a_name )
{
return(true);
}
}
}
return(false);
}
//----------------------------------------------------------------------------
void vtkDSPFilterGroup::AddInputVariableInstance( const char *a_name, int a_timestep, vtkFloatArray *a_data )
{
//This assumes that the instance is not already cached! perhaps should check anyway?
this->CachedInputTimesteps->m_vector.push_back(a_timestep);
this->CachedInputNames->m_vector.push_back(a_name);
vtkFloatArray *l_array = vtkFloatArray::New();
l_array->DeepCopy(a_data);
this->CachedInputs->m_vector.push_back(l_array);
}
//----------------------------------------------------------------------------
vtkFloatArray *vtkDSPFilterGroup::GetCachedInput( int a_whichFilter, int a_whichTimestep )
{
vtkstd::string l_inputName = this->FilterDefinitions->m_vector[a_whichFilter]->GetInputVariableName();
for(int i=0;i<(int)this->CachedInputTimesteps->m_vector.size();i++)
{
if(this->CachedInputTimesteps->m_vector[i]==a_whichTimestep)
{
if( this->CachedInputNames->m_vector[i]==l_inputName )
{
return(this->CachedInputs->m_vector[i]);
}
}
}
return(NULL);
}
//----------------------------------------------------------------------------
vtkFloatArray *vtkDSPFilterGroup::GetCachedOutput( int a_whichFilter, int a_whichTimestep )
{
for(int i=0;i<(int)this->CachedOutputs->m_vector[a_whichFilter].size();i++)
{
if(a_whichTimestep==this->CachedOutputTimesteps->m_vector[a_whichFilter][i])
{
vtkFloatArray *l_tmp = (this->CachedOutputs->m_vector[a_whichFilter])[i];
if( !strcmp( l_tmp->GetName(),
this->FilterDefinitions->m_vector[a_whichFilter]->GetOutputVariableName() ))
{
//printf("vtkDSPFilterGroup::GetCachedOutput found time %d output in cache\n",a_whichTimestep);
return(l_tmp);
}
//else printf("vtkDSPFilterGroup::GetCachedOutput DID NOT FIND time %d output in cache %s %s\n",a_whichTimestep,
// l_tmp->GetName(), this->FilterDefinitions[a_whichFilter]->OutputVariableName.c_str() );
}
}
return(NULL);
}
//----------------------------------------------------------------------------
void vtkDSPFilterGroup::Copy( vtkDSPFilterGroup *other )
{
this->FilterDefinitions->m_vector = other->FilterDefinitions->m_vector;
}
//----------------------------------------------------------------------------
int vtkDSPFilterGroup::GetNumFilters( )
{
return static_cast<int>(this->FilterDefinitions->m_vector.size());
}
//----------------------------------------------------------------------------
vtkDSPFilterDefinition * vtkDSPFilterGroup::GetFilter(int a_whichFilter)
{
return this->FilterDefinitions->m_vector[a_whichFilter];
}
//----------------------------------------------------------------------------
vtkFloatArray *vtkDSPFilterGroup::GetOutput( int a_whichFilter, int a_whichTimestep, int &a_instancesCalculated )
{
int i,j,k;
int l_numFilters = this->GetNumFilters();
if( (int)this->CachedOutputs->m_vector.size() < l_numFilters )
{
//this shouldnt happen with saf. Should happen 1 time with exodus.
//printf("vtkDSPFilterGroup::GetOutput resizing cache vector\n");
int l_numNow=(int)this->CachedOutputs->m_vector.size();
for(i=l_numNow;i<l_numFilters;i++)
{
vtkstd::vector<vtkFloatArray *> l_cachedOutsForThisFilter;
l_cachedOutsForThisFilter.resize(0);
this->CachedOutputs->m_vector.push_back( l_cachedOutsForThisFilter );
vtkstd::vector<int> l_cachedOutTimesForThisFilter;
l_cachedOutTimesForThisFilter.resize(0);
this->CachedOutputTimesteps->m_vector.push_back(l_cachedOutTimesForThisFilter);
}
}
//is this output array already cached?
vtkFloatArray *l_tmp = this->GetCachedOutput( a_whichFilter, a_whichTimestep );
if(l_tmp)
{
//printf("vtkDSPFilterGroup::GetOutput found time %d output in cache\n",a_whichTimestep);
return(l_tmp);
}
//else printf("vtkDSPFilterGroup::GetOutput DID NOT FIND time %d output in cache (%d cache slots)\n",
// a_whichTimestep,(int)this->CachedOutputs[a_whichFilter].size() );
vtkFloatArray *l_output = vtkFloatArray::New();
l_output->SetName( FilterDefinitions->m_vector[a_whichFilter]->GetOutputVariableName() );
int l_numNumerators = (int)FilterDefinitions->m_vector[a_whichFilter]->GetNumNumeratorWeights();
int l_numForwardNumerators = (int)FilterDefinitions->m_vector[a_whichFilter]->GetNumForwardNumeratorWeights();
if(!l_numNumerators && !l_numForwardNumerators)
{
printf("vtkDSPFilterGroup::GetOutput there are no numerator filter weights?\n");
return(NULL);
}
int l_numDenominators = (int)FilterDefinitions->m_vector[a_whichFilter]->GetNumDenominatorWeights();
double l_a1 = 1.0;
if(l_numDenominators)
{
l_a1 = FilterDefinitions->m_vector[a_whichFilter]->GetDenominatorWeight(0);
}
//printf("vtkDSPFilterGroup::GetOutput numerators=%d forwardnums=%d dens=%d\n",
// l_numNumerators,l_numForwardNumerators,l_numDenominators);
//There should always be a valid input at the same time as an output
vtkFloatArray *l_firstInput = this->GetCachedInput(a_whichFilter,a_whichTimestep);
if(!l_firstInput)
{
printf("\n vtkDSPFilterGroup::GetOutput error time %d has no input\n\n",a_whichTimestep);
return(NULL);
}
const int l_numEntries = l_firstInput->GetNumberOfTuples();
const int l_numComponents = l_firstInput->GetNumberOfComponents();
if(!l_numEntries || !l_numComponents)
{
printf("\n vtkDSPFilterGroup::GetOutput error time %d, l_numEntries=%d, l_numComponents=%d\n\n",
a_whichTimestep,l_numEntries,l_numComponents);
return(NULL);
}
//printf("vtkDSPFilterGroup::GetOutput first input entries=%d comps=%d\n",l_numEntries,l_numComponents);
l_output->SetNumberOfComponents(l_numComponents);
l_output->SetNumberOfTuples(l_numEntries);
for( i=0; i<l_numNumerators; i++ )
{
int l_useThisTimestep = a_whichTimestep-i;
double l_weight = this->FilterDefinitions->m_vector[a_whichFilter]->GetNumeratorWeight(i)/l_a1;
if(l_useThisTimestep < 0) l_useThisTimestep=0; //pre-time is considered infinite procession of input value at time 0
//printf("vtkDSPFilterGroup::GetOutput numerator weight %d is %e (incl a1=%e) time=%d\n",i,l_weight,l_a1,l_useThisTimestep);
vtkFloatArray *l_input = this->GetCachedInput(a_whichFilter,l_useThisTimestep);
float *l_outPtr = (float *)l_output->GetVoidPointer(0);
if(!i)
{
for(j=0;j<l_numEntries*l_numComponents;j++) l_outPtr[i]=0;
}
if(l_input)
{
float *l_inPtr = (float *)l_input->GetVoidPointer(0);
for(j=0;j<l_numEntries;j++)
{
for(k=0;k<l_numComponents;k++)
{
l_outPtr[0] += l_weight * l_inPtr[0];
l_inPtr++;
l_outPtr++;
}
}
}
else
{
printf("error vtkDSPFilterGroup::GetOutput cant get input %d\n",l_useThisTimestep);
}
}
for( i=1; i<l_numDenominators; i++ )
{
double l_weight = this->FilterDefinitions->m_vector[a_whichFilter]->GetDenominatorWeight(i)/l_a1;
if(a_whichTimestep-i < 0) break;//pre-time outputs are considered to be zero
//printf("vtkDSPFilterGroup::GetOutput denominator weight %d is %e (incl a1=%e) time=%d\n",i,l_weight,l_a1,a_whichTimestep-i);
vtkFloatArray *l_input = this->GetOutput( a_whichFilter, a_whichTimestep-i, a_instancesCalculated );
float *l_outPtr = (float *)l_output->GetVoidPointer(0);
if(l_input)
{
float *l_inPtr = (float *)l_input->GetVoidPointer(0);
for(j=0;j<l_numEntries;j++)
{
for(k=0;k<l_numComponents;k++)
{
l_outPtr[0] -= l_weight * l_inPtr[0];
l_inPtr++;
l_outPtr++;
}
}
}
}
//Handle forward inputs
for( i=0; i<l_numForwardNumerators; i++ )
{
int l_useThisTimestep = a_whichTimestep+i+1;
double l_weight = this->FilterDefinitions->m_vector[a_whichFilter]->GetForwardNumeratorWeight(i)/l_a1;
float *l_outPtr = (float *)l_output->GetVoidPointer(0);
vtkFloatArray *l_input = this->GetCachedInput(a_whichFilter,l_useThisTimestep);
while(!l_input && l_useThisTimestep>=0)
{
//printf(" time %d failed......trying prev time.....\n",l_useThisTimestep);
//Try the timestep before: all post-time inputs are considered to be the same as the last input
l_useThisTimestep--;
l_input = this->GetCachedInput(a_whichFilter,l_useThisTimestep);
}
if(l_input)
{
//printf("vtkDSPFilterGroup::GetOutput forward numerator weight %d is %e (incl a1=%e) time=%d\n",i,l_weight,l_a1,l_useThisTimestep);
float *l_inPtr = (float *)l_input->GetVoidPointer(0);
for(j=0;j<l_numEntries;j++)
{
for(k=0;k<l_numComponents;k++)
{
l_outPtr[0] += l_weight * l_inPtr[0];
l_inPtr++;
l_outPtr++;
}
}
}
else
{
printf("\nerror vtkDSPFilterGroup::GetOutput cant get forward input %d\n\n",l_useThisTimestep);
}
}
#if 0 //debug print
{
float *l_outPtr = (float *)l_output->GetVoidPointer(0);
float *l_inPtr = (float *)l_firstInput->GetVoidPointer(0);
float l_maxDiff=0;
for(j=0;j<l_numEntries;j++)
{
for(k=0;k<l_numComponents;k++)
{
if( l_inPtr[0] - l_outPtr[0] )
{
if( fabs(l_inPtr[0] - l_outPtr[0]) > l_maxDiff ) l_maxDiff = fabs(l_inPtr[0] - l_outPtr[0]);
printf("j=%d k=%d \t in=%f \t out=%f \t diff=%e maxdiff=%e diffperc=%f\n",j,k,
l_inPtr[0],l_outPtr[0],l_inPtr[0] - l_outPtr[0],l_maxDiff,
fabs(l_inPtr[0] - l_outPtr[0]) / fabs(l_inPtr[0]) );
}
l_inPtr++;
l_outPtr++;
}
}
}
#endif
a_instancesCalculated++;
//printf("****vtkDSPFilterGroup::GetOutput calculated filter=%d time=%d entries=%d comps=%d*** out cache was %d slots\n",a_whichFilter,
// a_whichTimestep,l_numEntries,l_numComponents,
// this->CachedOutputs[a_whichFilter].size() );
this->CachedOutputs->m_vector[a_whichFilter].push_back(l_output);
this->CachedOutputTimesteps->m_vector[a_whichFilter].push_back(a_whichTimestep);
return(l_output);
}