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/* This file is part of the OpenLB library
*
* Copyright (C) 2016-2017 Albert Mink, Maximilian Gaedtke, Markus Morhard Mathias J. Krause
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/** \file
* A method to write vtk data for cuboid geometries
* (only for uniform grids) -- header file.
*/
#ifndef SUPER_VTM_WRITER_3D_H
#define SUPER_VTM_WRITER_3D_H
#include <sstream>
#include <vector>
#include "io/ostreamManager.h"
#include "functors/lattice/superBaseF3D.h"
namespace olb {
/** SuperVTMwriter3D writes any SuperF3D to vtk-based output files.
*
* In .pvd files, there are only links/references to a VTKmultiblock file 'vtm'
*
* .pvd file structur
* the time series is represented by different 'vtm' files.
*
* .vtm file
* This file links cuboids ('vti') and represents the entire data of a single timestep.
*
*/
template<typename T, typename W=T>
class SuperVTMwriter3D {
public:
SuperVTMwriter3D( const std::string& name, bool binary=true, bool compress=true );
/// writes functors stored in pointerVec
/// every thread writes a vti file with data from his cuboids
/// the vti files are linked in a pvd file
void write(int iT=0);
/// writes functor instantaneously, same vti-pvd file structure as above
void write(SuperF3D<T,W>& f, int iT=0);
void write(std::shared_ptr<SuperF3D<T,W>> ptr_f, int iT=0);
/// have to be called before calling write(int iT=0), since it creates
// the master pvd file, where all vti are linked!
void createMasterFile();
/// put functor to _pointerVec
/// to simplify writing process of several functors
void addFunctor(SuperF3D<T,W>& f);
/// to clear stored functors, not yet used due to lack of necessity
void clearAddedFunctors();
/// getter for _name
std::string getName() const;
private:
/// performes <VTKFile ...>, <ImageData ...>, <PieceExtent ...> and <PointData ...>
void preambleVTI(const std::string& fullName, const Vector<int,3> extent0, const Vector<int,3> extent1,
T origin[], T delta);
/// performes </ImageData> and </VTKFile>
void closeVTI(const std::string& fullNamePiece);
/// performes <VTKFile ...> and <Collection>
void preamblePVD(const std::string& fullNamePVD);
/// performes </Collection> and </VTKFile>
void closePVD(const std::string& fullNamePVD);
/// performes <VTKFile ...> and <Collection>
void preambleVTM(const std::string& fullNamePVD);
/// performes </Collection> and </VTKFile>
void closeVTM(const std::string& fullNamePVD);
/// performes <DataSet timestep= ... file=namePiece />
/// used for linking vti into pvd files
void dataVTM(int iC, const std::string& fullNamePVD, const std::string& namePiece);
/// performes <DataSet timestep= ... file=namePiece />
/// *** nasty function ***
void dataPVDmaster(int iT, const std::string& fullNamePVDMaster,
const std::string& namePiece);
/// writes given functor f, ascii or base64 or zLib
void dataArray(const std::string& fullName, SuperF3D<T,W>& f,
int iC, const Vector<int,3> extent1);
/// performes </PointData> and </Piece>
void closePiece(const std::string& fullNamePiece);
private:
mutable OstreamManager clout;
/// default is false, call createMasterFile() and it will be true
bool _createFile;
/// determines the name of .vti and .pvd per iT
std::string const _name;
/// holds added functor, to simplify the use of write function
std::vector< SuperF3D<T,W>* > _pointerVec;
/// writing data base64 encoded
bool _binary;
/// writing data zLib compressed
bool _compress;
};
} // namespace olb
#endif
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