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vtkLSDynaPartCollection.cxx
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vtkLSDynaPartCollection.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkLSDynaReader.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 "vtkLSDynaPartCollection.h"
#include "vtkLSDynaPart.h"
#include "LSDynaMetaData.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkDataArray.h"
#include "vtkDoubleArray.h"
#include "vtkIdTypeArray.h"
#include "vtkFloatArray.h"
#include "vtkObjectFactory.h"
#include "vtkPoints.h"
#include "vtkPointData.h"
#include "vtkStringArray.h"
#include "vtkUnsignedCharArray.h"
#include "vtkUnstructuredGrid.h"
#include <algorithm>
#include <vector>
#include <list>
//-----------------------------------------------------------------------------
class vtkLSDynaPartCollection::LSDynaPartStorage
{
protected:
//---------------------------------------------------------------------------
//stores the number of cells for a given part
//this struct is meant to resemble a run length encoding style of storage
//of mapping cell ids to the part that holds those cells
struct PartInfo
{
PartInfo(vtkLSDynaPart *p, const int& type, const vtkIdType& pId,
const vtkIdType& start, const vtkIdType& npts):
numCells(1), //we are inserting the first cell when we create this so start with 1
startId(start),
cellStructureSize(npts), //start with number of points in first cell
partId(pId)
{
//we store the part id our selves because we can have null parts
//if the user has disabled reading that part
this->part = p;
if(this->part)
{
this->part->SetPartType(type);
}
}
vtkIdType numCells; //number of cells in this continuous block
vtkIdType startId; //the global index to start of this block
vtkIdType cellStructureSize; //stores the size of the cell array for this section
vtkIdType partId; //id of the part this block represents, because the part can be NULL
vtkLSDynaPart *part;
};
//---------------------------------------------------------------------------
struct PartInsertion
{
PartInsertion():numCellsInserted(0){}
PartInsertion(std::vector<PartInfo> *pInfo):numCellsInserted(0)
{
this->pIt = pInfo->begin();
}
//increments the numCells, and when needed increments to the next part
void inc()
{
++numCellsInserted;
if ( (*pIt).numCells == numCellsInserted)
{
++pIt;
numCellsInserted=0;
}
}
std::vector<PartInfo>::iterator pIt;
vtkIdType numCellsInserted;
};
//---------------------------------------------------------------------------
public:
LSDynaPartStorage(const vtkIdType& numMaterials):
NumParts(numMaterials),PartIteratorLoc(0)
{
//a part represents a single material. A part type is
this->Info = new std::vector<PartInfo>[LSDynaMetaData::NUM_CELL_TYPES];
this->CellInsertionIterators = new PartInsertion[LSDynaMetaData::NUM_CELL_TYPES];
this->Parts = new vtkLSDynaPart*[numMaterials];
for(vtkIdType i=0; i<numMaterials; ++i)
{
this->Parts[i]=NULL;
}
}
~LSDynaPartStorage()
{
for(vtkIdType i=0; i < this->NumParts; ++i)
{
if(this->Parts[i])
{
this->Parts[i]->Delete();
this->Parts[i]=NULL;
}
}
delete[] this->Parts;
delete[] this->CellInsertionIterators;
delete[] this->Info;
}
//---------------------------------------------------------------------------
vtkIdType GetNumParts() const { return NumParts; }
//---------------------------------------------------------------------------
void RegisterCell(const int& partType,const vtkIdType &matId,
const vtkIdType &npts)
{
if(this->Info[partType].size() != 0)
{
PartInfo *info = &this->Info[partType].back();
if(info->partId == matId)
{
//append to this item
++info->numCells;
info->cellStructureSize += npts;
}
else
{
//add a new item
//PartInfo sets the part type!
PartInfo newInfo(this->Parts[matId],partType,matId,
(info->startId + info->numCells), npts);
this->Info[partType].push_back(newInfo);
}
}
else
{
//PartInfo sets the part type!
PartInfo newInfo(this->Parts[matId],partType,matId,0,npts);
this->Info[partType].push_back(newInfo);
}
}
//---------------------------------------------------------------------------
void ConstructPart(const vtkIdType &index,
const std::string &name,
const int &materialId,
const int &numGlobalNodes,
const int &wordSize
)
{
vtkLSDynaPart *p = vtkLSDynaPart::New();
p->InitPart(name,index,materialId,
numGlobalNodes,wordSize);
this->Parts[index] = p;
}
//---------------------------------------------------------------------------
void InitCellInsertion()
{
//we build up an array of cell insertion iterators
//that point to the first element of each part type info
for(int i=0; i < LSDynaMetaData::NUM_CELL_TYPES; ++i)
{
if(this->Info[i].size()>0)
{
PartInsertion partIt(&this->Info[i]);
this->CellInsertionIterators[i] = partIt;
}
}
}
//---------------------------------------------------------------------------
void InsertCell(const int& partType, const int& cellType,
const vtkIdType& npts, vtkIdType conn[8])
{
//get the correct iterator from the array of iterations
if(this->CellInsertionIterators[partType].pIt->part)
{
//only insert the cell if the part is turned on
this->CellInsertionIterators[partType].pIt->part->AddCell(
cellType,npts,conn);
}
this->CellInsertionIterators[partType].inc();
}
//---------------------------------------------------------------------------
bool PartExists(const vtkIdType &index) const
{
if(index<0||index>this->NumParts)
{
return false;
}
return (this->Parts[index]!=NULL && this->Parts[index]->HasCells());
}
//---------------------------------------------------------------------------
vtkLSDynaPart* GetPart(const vtkIdType &index)
{
return this->Parts[index];
}
//---------------------------------------------------------------------------
vtkUnstructuredGrid* GetPartGrid(const vtkIdType &index)
{
return this->Parts[index]->GenerateGrid();
}
//---------------------------------------------------------------------------
void InitPartIteration(const int &partType)
{
for(vtkIdType i=0; i < this->NumParts; ++i)
{
if(this->Parts[i] && this->Parts[i]->PartType() == partType)
{
PartIteratorLoc = i;
this->PartIterator = this->Parts[i];
return;
}
}
//failed to find a part that matches the type
PartIteratorLoc = -1;
this->PartIterator = NULL;
}
//---------------------------------------------------------------------------
bool GetNextPart(vtkLSDynaPart *&part)
{
if(!this->PartIterator)
{
part = NULL;
return false;
}
part=this->PartIterator;
//clear iterator before we search for the next part
vtkIdType pos = this->PartIteratorLoc + 1;
this->PartIterator = NULL;
this->PartIteratorLoc = -1;
//find the next part
for(vtkIdType i=pos; i<this->NumParts;i++)
{
if(this->Parts[i] && this->Parts[i]->PartType() == part->PartType())
{
this->PartIteratorLoc = i;
this->PartIterator = this->Parts[i];
break;
}
}
return true;
}
//---------------------------------------------------------------------------
void AllocateParts()
{
vtkIdType numCells=0,cellLength=0;
for (vtkIdType i=0; i < this->NumParts; ++i)
{
vtkLSDynaPart* part = this->Parts[i];
if(part)
{
bool canBeAllocated = this->GetInfoForPart(part, numCells,cellLength);
if(canBeAllocated)
{
part->AllocateCellMemory(numCells,cellLength);
}
else
{
//this part has no cells allocated to it, so remove it now.
part->Delete();
this->Parts[i] = NULL;
}
}
}
//Only needed when debugging
//this->DumpPartInfo();
}
//---------------------------------------------------------------------------
bool GetInfoForPart(vtkLSDynaPart *part, vtkIdType &numCells,
vtkIdType &cellArrayLength) const
{
//verify that the part is valid
numCells = 0;
cellArrayLength = 0;
bool validPart = part->hasValidType();
if(!validPart)
{
//we return early because an invalid type would
//cause the Info array to be accessed out of bounds
return validPart;
}
//give a part type and a material id
//walk the run length encoding to determe the total size
std::vector<PartInfo>::const_iterator it;
for(it = this->Info[part->PartType()].begin();
it != this->Info[part->PartType()].end(); ++it)
{
const PartInfo *info = &(*it);
if(info->partId== part->GetPartId())
{
validPart = true;
numCells += info->numCells;
cellArrayLength += info->cellStructureSize;
}
}
return validPart;
}
//---------------------------------------------------------------------------
void DumpPartInfo()
{
for(int i=0; i < LSDynaMetaData::NUM_CELL_TYPES;++i)
{
//now lets dump all the part info
std::cout << "For Info index: " << i << std::endl;
std::cout << "We have " << this->Info[i].size() << " info entries" <<std::endl;
std::vector<PartInfo>::const_iterator it;
for(it = this->Info[i].begin();
it != this->Info[i].end(); ++it)
{
const PartInfo *info = &(*it);
if(info->part != NULL)
{
std::cout << "The material id is: " << info->partId << std::endl;
std::cout << "The numCells is: " << info->numCells << std::endl;
std::cout << std::endl;
std::cout << "The Part is :" << std::endl;
info->part->PrintSelf(cout,vtkIndent().GetNextIndent());
std::cout << std::endl;
std::cout << std::endl;
}
}
}
}
//---------------------------------------------------------------------------
void InitCellIteration(const int &partType, int pos=0)
{
this->CellIteratorEnd = this->Info[partType].end();
if(this->Info[partType].size()>0)
{
this->CellIterator = this->Info[partType].begin();
}
else
{
this->CellIterator = this->Info[partType].end();
}
while(pos>0 && this->CellIterator != this->CellIteratorEnd)
{
pos -= (*this->CellIterator).numCells;
if(pos>0)
{
++this->CellIterator;
}
}
}
//---------------------------------------------------------------------------
bool GetNextCellPart(vtkIdType& startId, vtkIdType &numCells,
vtkLSDynaPart *&part)
{
if(this->CellIterator == this->CellIteratorEnd)
{
return false;
}
startId = (*this->CellIterator).startId;
numCells = (*this->CellIterator).numCells;
part = (*this->CellIterator).part;
++this->CellIterator;
return true;
}
//---------------------------------------------------------------------------
void FinalizeTopology()
{
for (vtkIdType i=0; i < this->NumParts; ++i)
{
vtkLSDynaPart* part = this->Parts[i];
if (part && part->HasCells())
{
part->BuildToplogy();
}
else if(part)
{
part->Delete();
this->Parts[i]=NULL;
}
}
}
//---------------------------------------------------------------------------
void DisableDeadCells()
{
for (vtkIdType i=0; i < this->NumParts; ++i)
{
vtkLSDynaPart* part = this->Parts[i];
if (part && part->HasCells())
{
part->DisableDeadCells();
}
}
}
//---------------------------------------------------------------------------
void PrintSelf(ostream &os, vtkIndent indent)
{
for (vtkIdType i=0; i < this->NumParts; ++i)
{
os << indent << "Part Number " << i << std::endl;
if(this->PartExists(i))
{
vtkLSDynaPart* part = this->Parts[i];
part->PrintSelf(os,indent.GetNextIndent());
}
else
{
os << indent.GetNextIndent() << "Does not exist." << std::endl;
}
}
}
protected:
vtkIdType NumParts;
//stores all the parts for this collection.
vtkLSDynaPart **Parts;
//maps cell indexes which are tracked by output type to the part
//Since cells are ordered the same between the cell connectivity data block
//and the state block in the d3plot format we only need to know which part
//the cell is part of.
//This info is constant for each time step
std::vector<PartInfo> *Info;
PartInsertion *CellInsertionIterators;
std::vector<PartInfo>::const_iterator CellIterator,CellIteratorEnd;
vtkLSDynaPart *PartIterator;
vtkIdType PartIteratorLoc;
};
vtkStandardNewMacro(vtkLSDynaPartCollection);
//-----------------------------------------------------------------------------
vtkLSDynaPartCollection::vtkLSDynaPartCollection()
{
this->MetaData = NULL;
this->Storage = NULL;
this->MinIds = NULL;
this->MaxIds = NULL;
}
//-----------------------------------------------------------------------------
vtkLSDynaPartCollection::~vtkLSDynaPartCollection()
{
delete this->Storage;
delete[] this->MinIds;
delete[] this->MaxIds;
this->MetaData = NULL;
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::PrintSelf(ostream &os, vtkIndent indent)
{
//just needs to print all public accessible ivars
this->Superclass::PrintSelf(os, indent);
//number of parts
os << indent << "Number of Parts: " << this->GetNumberOfParts() << std::endl;
//print self for each part
this->Storage->PrintSelf(os,indent.GetNextIndent());
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::InitCollection(LSDynaMetaData *metaData,
vtkIdType* mins, vtkIdType* maxs)
{
delete this->Storage;
delete[] this->MinIds;
delete[] this->MaxIds;
//reserve enough space for the grids. Each node
//will have a part allocated, since we don't know yet
//how the cells map to parts.
this->Storage = new LSDynaPartStorage(static_cast<vtkIdType>(metaData->PartIds.size()));
this->MinIds = new vtkIdType[LSDynaMetaData::NUM_CELL_TYPES];
this->MaxIds = new vtkIdType[LSDynaMetaData::NUM_CELL_TYPES];
//We only have to map the cell ids between min and max, so we
//skip into the proper place
for(int i=0; i < LSDynaMetaData::NUM_CELL_TYPES;++i)
{
this->MinIds[i]= (mins!=NULL) ? mins[i] : 0;
this->MaxIds[i]= (maxs!=NULL) ? maxs[i] : metaData->NumberOfCells[i];
}
if(metaData)
{
this->MetaData = metaData;
this->BuildPartInfo();
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::BuildPartInfo()
{
//we iterate on part materials as those are those are from 1 to num Parts.
//the part ids are the user material ids
std::vector<int>::const_iterator partMIt;
std::vector<int>::const_iterator materialIdIt = this->MetaData->PartIds.begin();
std::vector<int>::const_iterator statusIt = this->MetaData->PartStatus.begin();
std::vector<std::string>::const_iterator nameIt = this->MetaData->PartNames.begin();
for (partMIt = this->MetaData->PartMaterials.begin();
partMIt != this->MetaData->PartMaterials.end();
++partMIt,++statusIt,++nameIt,++materialIdIt)
{
if (*statusIt)
{
//make the index contain a part
this->Storage->ConstructPart((*partMIt)-1,*nameIt,*materialIdIt,
this->MetaData->NumberOfNodes,
this->MetaData->Fam.GetWordSize());
}
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::RegisterCellIndexToPart(const int& partType,
const vtkIdType& matId,
const vtkIdType&,
const vtkIdType& npts)
{
this->Storage->RegisterCell(partType,matId-1,npts);
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::AllocateParts( )
{
this->Storage->AllocateParts();
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::InitCellInsertion()
{
this->Storage->InitCellInsertion();
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::InsertCell(const int& partType,
const vtkIdType&,
const int& cellType,
const vtkIdType& npts,
vtkIdType conn[8])
{
this->Storage->InsertCell(partType,cellType,npts,conn);
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::SetCellDeadFlags(const int& partType,
vtkUnsignedCharArray *death,
const int& deadCellsAsGhostArray)
{
//go through and flag each part cell as deleted or not.
//this means breaking up this array into an array for each part
if (!death)
{
return;
}
//The array that passed in from the reader only contains the subset
//of the full data that we are interested in so we don't have to adjust
//any indices
this->Storage->InitCellIteration(partType);
vtkIdType numCells, startId;
vtkLSDynaPart *part;
unsigned char* dead = static_cast<unsigned char*>(death->GetVoidPointer(0));
while(this->Storage->GetNextCellPart(startId,numCells,part))
{
//perfectly valid to have a NULL part being returned
//just skip it as the user doesn't want it loaded.
if(part)
{
part->EnableDeadCells(deadCellsAsGhostArray);
part->SetCellsDeadState(dead,numCells);
}
dead += numCells;
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::AddProperty(
const LSDynaMetaData::LSDYNA_TYPES& type, const char* name,
const int& offset, const int& numComps)
{
vtkLSDynaPart* part = NULL;
this->Storage->InitPartIteration(type);
while(this->Storage->GetNextPart(part))
{
if(part)
{
part->AddCellProperty(name,offset,numComps);
}
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::FillCellProperties(float *buffer,
const LSDynaMetaData::LSDYNA_TYPES& type, const vtkIdType& startId,
const vtkIdType& numCells, const int& numPropertiesInCell)
{
this->FillCellArray(buffer,type,startId,numCells,numPropertiesInCell);
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::FillCellProperties(double *buffer,
const LSDynaMetaData::LSDYNA_TYPES& type, const vtkIdType& startId,
const vtkIdType& numCells, const int& numPropertiesInCell)
{
this->FillCellArray(buffer,type,startId,numCells,numPropertiesInCell);
}
//-----------------------------------------------------------------------------
template<typename T>
void vtkLSDynaPartCollection::FillCellArray(T *buffer,
const LSDynaMetaData::LSDYNA_TYPES& type, const vtkIdType& startId,
vtkIdType numCells, const int& numPropertiesInCell)
{
//we only need to iterate the array for the subsection we need
T* loc = buffer;
vtkIdType size, globalStartId;
vtkLSDynaPart *part;
this->Storage->InitCellIteration(type,startId);
while(this->Storage->GetNextCellPart(globalStartId,size,part))
{
vtkIdType start = std::max(globalStartId,startId);
vtkIdType end = std::min(globalStartId+size,startId+numCells);
if(end<start)
{
break;
}
vtkIdType is = end - start;
if(part)
{
part->ReadCellProperties(loc,is,numPropertiesInCell);
}
loc += is * numPropertiesInCell;
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::ReadCellUserIds(
const LSDynaMetaData::LSDYNA_TYPES& type, const int& status)
{
vtkIdType numCells,numSkipStart,numSkipEnd;
this->GetPartReadInfo(type,numCells,numSkipStart,numSkipEnd);
if(!status)
{
//skip this part type
this->MetaData->Fam.SkipWords(numSkipStart + numCells + numSkipEnd);
return;
}
this->MetaData->Fam.SkipWords(numSkipStart);
vtkIdType numChunks = this->MetaData->Fam.InitPartialChunkBuffering(numCells,1);
vtkIdType startId = 0;
if(this->MetaData->Fam.GetWordSize() == 8 && numCells > 0)
{
for(vtkIdType i=0; i < numChunks; ++i)
{
vtkIdType chunkSize = this->MetaData->Fam.GetNextChunk( LSDynaFamily::Float);
vtkIdType numCellsInChunk = chunkSize;
vtkIdType *buf = this->MetaData->Fam.GetBufferAs<vtkIdType>();
this->FillCellUserId(buf,type,startId,numCellsInChunk);
startId += numCellsInChunk;
}
}
else if (numCells > 0)
{
for(vtkIdType i=0; i < numChunks; ++i)
{
vtkIdType chunkSize = this->MetaData->Fam.GetNextChunk( LSDynaFamily::Float);
vtkIdType numCellsInChunk = chunkSize;
int *buf = this->MetaData->Fam.GetBufferAs<int>();
this->FillCellUserId(buf,type,startId,numCellsInChunk);
startId += numCellsInChunk;
}
}
this->MetaData->Fam.SkipWords(numSkipEnd);
//clear the buffer as it will be very large and not needed
this->MetaData->Fam.ClearBuffer();
}
//-----------------------------------------------------------------------------
template<typename T>
void vtkLSDynaPartCollection::FillCellUserIdArray(T *buffer,
const LSDynaMetaData::LSDYNA_TYPES& type, const vtkIdType& startId,
vtkIdType numCells)
{
const int numWordsPerIdType(this->MetaData->Fam.GetWordSize() / sizeof(T));
//we only need to iterate the array for the subsection we need
T* loc = buffer;
vtkIdType size,globalStartId;
vtkLSDynaPart *part;
this->Storage->InitCellIteration(type,startId);
while(this->Storage->GetNextCellPart(globalStartId,size,part))
{
vtkIdType start = std::max(globalStartId,startId);
vtkIdType end = std::min(globalStartId+size,startId+numCells);
if(end<start)
{
break;
}
vtkIdType is = (end - start)*numWordsPerIdType;
if(part)
{
part->EnableCellUserIds();
for(vtkIdType i=0; i<is; i+=numWordsPerIdType)
{
part->SetNextCellUserIds((vtkIdType)loc[i]);
}
}
//perfectly valid to have a NULL part being returned
//just skip it as the user doesn't want it loaded.
loc+=is;
}
}
//-----------------------------------------------------------------------------
bool vtkLSDynaPartCollection::IsActivePart(const int& id) const
{
return this->Storage->PartExists(id);
}
//-----------------------------------------------------------------------------
vtkUnstructuredGrid* vtkLSDynaPartCollection::GetGridForPart(
const int& index) const
{
return this->Storage->GetPartGrid(index);
}
//-----------------------------------------------------------------------------
int vtkLSDynaPartCollection::GetNumberOfParts() const
{
return static_cast<int>(this->Storage->GetNumParts());
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::DisbleDeadCells()
{
this->Storage->DisableDeadCells();
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::GetPartReadInfo(const int& partType,
vtkIdType& numberOfCells, vtkIdType& numCellsToSkipStart,
vtkIdType& numCellsToSkipEnd) const
{
vtkIdType size = this->MaxIds[partType]-this->MinIds[partType];
if(size<=0)
{
numberOfCells = 0;
//skip everything
numCellsToSkipStart = this->MetaData->NumberOfCells[partType];
numCellsToSkipEnd = 0; //no reason to skip anything else
}
else
{
numberOfCells = size;
numCellsToSkipStart = this->MinIds[partType];
numCellsToSkipEnd = this->MetaData->NumberOfCells[partType] -
(numberOfCells+numCellsToSkipStart);
}
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::FinalizeTopology()
{
this->Storage->FinalizeTopology();
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::ReadPointUserIds(const vtkIdType& numTuples,
const char* name)
{
this->SetupPointPropertyForReading(numTuples,1,name,true,true,false,false);
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::ReadPointProperty(
const vtkIdType& numTuples,
const vtkIdType& numComps,
const char* name,
const bool &isProperty,
const bool& isGeometryPoints,
const bool& isRoadPoints)
{
this->SetupPointPropertyForReading(numTuples,numComps,name,false,isProperty,
isGeometryPoints,isRoadPoints);
}
//-----------------------------------------------------------------------------
void vtkLSDynaPartCollection::SetupPointPropertyForReading(
const vtkIdType& numTuples,
const vtkIdType& numComps,
const char* name,
const bool &isIdType,
const bool &isProperty,
const bool& isGeometryPoints,
const bool& isRoadPoints)
{
if ( !isProperty && !isGeometryPoints && !isRoadPoints)
{
// don't read arrays the user didn't request, just skip them
this->MetaData->Fam.SkipWords(numTuples * numComps);
return;
}
//If this is a geometeric point property it needs to apply
//to the following
//BEAM,SHELL,THICK_SHELL,SOLID,Particles
//if it is road surface it only applies to RigidSurfaceData part types
vtkLSDynaPart* part=NULL;
vtkLSDynaPart **validParts = new vtkLSDynaPart*[this->Storage->GetNumParts()];
vtkIdType idx=0;
if(!isRoadPoints)
{
enum LSDynaMetaData::LSDYNA_TYPES validCellTypes[5] = {
LSDynaMetaData::PARTICLE,
LSDynaMetaData::BEAM,
LSDynaMetaData::SHELL,
LSDynaMetaData::THICK_SHELL,
LSDynaMetaData::SOLID
};
for(int i=0; i<5;++i)
{
this->Storage->InitPartIteration(validCellTypes[i]);
while(this->Storage->GetNextPart(part))
{
part->AddPointProperty(name,numComps,isIdType,isProperty,
isGeometryPoints);
validParts[idx++]=part;
}
}
}
else
{
//is a road point
this->Storage->InitPartIteration(LSDynaMetaData::ROAD_SURFACE);
while(this->Storage->GetNextPart(part))
{
part->AddPointProperty(name,numComps,isIdType,isProperty,
isGeometryPoints);
validParts[idx++]=part;
}
}
if(idx<=0)
{
//don't do anything as we have no valid parts
}
else if(this->MetaData->Fam.GetWordSize() == 8)
{
this->FillPointProperty<double>(numTuples,numComps,validParts, idx);
}
else
{
this->FillPointProperty<float>(numTuples,numComps,validParts, idx);
}
delete[] validParts;
}
namespace
{
//this function is used to sort a collection of parts
//based on the max and min global point ids that the part
//we use both to enforce better weak ordering
bool sortPartsOnGlobalIds(const vtkLSDynaPart *p1, const vtkLSDynaPart *p2)
{
if(p1->GetMaxGlobalPointId() < p2->GetMaxGlobalPointId())
{
return true;
}
return false;
}
}
//-----------------------------------------------------------------------------
template<typename T>
void vtkLSDynaPartCollection::FillPointProperty(const vtkIdType& numTuples,
const vtkIdType& numComps,
vtkLSDynaPart** parts,
const vtkIdType numParts)
{
LSDynaMetaData* p = this->MetaData;
//construct the sorted array of parts so we only
//have to iterate a subset that are interested in the points we have
//are reading in.
std::list<vtkLSDynaPart*> sortedParts(parts,parts+numParts);
std::list<vtkLSDynaPart*>::iterator partIt;
sortedParts.sort(sortPartsOnGlobalIds);
//find the max as the subset of points
const vtkIdType maxGlobalPoint(sortedParts.back()->GetMaxGlobalPointId());
vtkIdType minGlobalPoint = maxGlobalPoint;
for(partIt = sortedParts.begin(); partIt != sortedParts.end(); ++partIt)
{
minGlobalPoint = std::min((*partIt)->GetMinGlobalPointId(),minGlobalPoint);
}
const vtkIdType realNumberOfTuples(maxGlobalPoint-minGlobalPoint);
const vtkIdType numPointsToSkipStart(minGlobalPoint);
const vtkIdType numPointsToSkipEnd(numTuples - (realNumberOfTuples + minGlobalPoint));
vtkIdType offset = numPointsToSkipStart;
const vtkIdType numPointsToRead(1048576);
const vtkIdType loopTimes(realNumberOfTuples/numPointsToRead);
const vtkIdType leftOver(realNumberOfTuples%numPointsToRead);
const vtkIdType bufferChunkSize(numPointsToRead*numComps);
T* buf = NULL;
p->Fam.SkipWords(numPointsToSkipStart * numComps);
for(vtkIdType j=0;j<loopTimes;++j,offset+=numPointsToRead)
{
p->Fam.BufferChunk(LSDynaFamily::Float,bufferChunkSize);
buf = p->Fam.GetBufferAs<T>();
partIt = sortedParts.begin();
while(partIt!=sortedParts.end() &&
(*partIt)->GetMaxGlobalPointId() < offset)
{
//remove all parts from the list that have already been
//filled by previous loops
sortedParts.pop_front();
partIt = sortedParts.begin();
}
while(partIt!=sortedParts.end())
{
//only read the points which have a point that lies within this section
//so we stop once the min is larger than our max id
(*partIt)->ReadPointBasedProperty(buf,numPointsToRead,numComps,offset);
++partIt;
}
}
if(leftOver>0 && !sortedParts.empty())
{
p->Fam.BufferChunk(LSDynaFamily::Float, leftOver*numComps);
buf = p->Fam.GetBufferAs<T>();
for (partIt = sortedParts.begin(); partIt!=sortedParts.end();++partIt)
{
(*partIt)->ReadPointBasedProperty(buf,leftOver,numComps,offset);
}
}
p->Fam.SkipWords(numPointsToSkipEnd * numComps);
}