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paraview_helper.h
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Wed, Jun 5, 12:59

paraview_helper.h
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/*
Copyright 2008 Guillaume ANCIAUX (guillaume.anciaux@epfl.ch)
This file is part of ParaViewHelper.
ParaViewHelper 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 3 of the License, or
(at your option) any later version.
ParaViewHelper 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 ParaViewHelper. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PARAVIEWHELPER_H
#define PARAVIEWHELPER_H
#include "base64.h"
class ParaviewHelper
{
public:
ParaviewHelper(File & f){
file = f;
setOutputFile(file);
compteur = 0;
};
ParaviewHelper(){
bflag = BASE64;
compteur = 0;
};
virtual ~ParaviewHelper(){};
void setOutputFile(File & file);
void write_header(int nb_nodes,int nb_elems);
void startDofList(int dimension);
void endDofList();
void startCellsConnectivityList();
void endCellsConnectivityList();
void startCellsoffsetsList();
void endCellsoffsetsList();
void startCellstypesList();
void endCellstypesList();
void startPointDataList();
void endPointDataList();
void startCellDataList();
void endCellDataList();
void startData(const char * name,int nb_components);
void PDataArray(const char * name,int nb_components);
void endData();
void write_conclusion();
void pushDouble(double x);
void pushInteger(int i);
void SetMode(int mode){
bflag = BASE64 & mode;
}
protected:
Base64Writer b64;
int bflag;
File file;
long header_offset;
unsigned int compteur;
};
inline void ParaviewHelper::setOutputFile(File & f){
file = f;
b64.SetOutputFile(file);
}
inline void ParaviewHelper::write_header(int nb_nodes,int nb_elems){
file.printf("<VTKFile type=\"UnstructuredGrid\" version=\"0.1\" ");
/* #ifdef BIG_ENDIAN */
/* file.printf("byte_order=\"BigEndian\">\n"); */
/* #else */
file.printf("byte_order=\"LittleEndian\">\n");
/* #endif */
file.printf("<UnstructuredGrid>\n<Piece NumberOfPoints= \"%d\" NumberOfCells=\"%d\">\n",nb_nodes,nb_elems);
}
inline void ParaviewHelper::startDofList(int dimension){
file.printf("<Points><DataArray type = \"Float64\" NumberOfComponents=\"%d\" ",dimension);
if (bflag == BASE64)
file.printf("format=\"binary\">\n");
else
file.printf("format=\"ascii\">\n");
if (bflag == BASE64)
b64.CreateHeader();
}
inline void ParaviewHelper::endDofList(){
if (bflag == BASE64)
b64.WriteHeader();
file.printf("</DataArray>\n");
file.printf("</Points>\n");
}
inline void ParaviewHelper::startCellsConnectivityList(){
file.printf("<Cells>\n");
file.printf("<DataArray type=\"Int32\" Name=\"connectivity\" ");
if (bflag == BASE64)
file.printf("format=\"binary\">\n");
else
file.printf("format=\"ascii\">\n");
if (bflag == BASE64)
b64.CreateHeader();
}
inline void ParaviewHelper::endCellsConnectivityList(){
if (bflag == BASE64)
b64.WriteHeader();
file.printf("</DataArray>\n");
}
inline void ParaviewHelper::startCellsoffsetsList(){
file.printf("<DataArray type=\"Int32\" Name=\"offsets\" ");
if (bflag == BASE64)
file.printf("format=\"binary\">\n");
else
file.printf("format=\"ascii\">\n");
if (bflag == BASE64)
b64.CreateHeader();
}
inline void ParaviewHelper::endCellsoffsetsList(){
if (bflag == BASE64)
b64.WriteHeader();
file.printf("</DataArray>\n");
}
inline void ParaviewHelper::startCellstypesList(){
file.printf("<DataArray type=\"UInt32\" Name=\"types\" ");
if (bflag == BASE64)
file.printf("format=\"binary\">\n");
else
file.printf("format=\"ascii\">\n");
if (bflag == BASE64)
b64.CreateHeader();
}
inline void ParaviewHelper::endCellstypesList(){
if (bflag == BASE64)
b64.WriteHeader();
file.printf("</DataArray>\n");
file.printf("</Cells>\n");
}
inline void ParaviewHelper::startPointDataList(){
file.printf("<PointData>\n");
}
inline void ParaviewHelper::endPointDataList(){
file.printf("</PointData>\n");
}
inline void ParaviewHelper::startCellDataList(){
file.printf("<CellData>\n");
}
inline void ParaviewHelper::endCellDataList(){
file.printf("</CellData>\n");
}
inline void ParaviewHelper::startData(const char * name,int nb_components){
file.printf("<DataArray type=\"Float64\" NumberOfComponents=\"%d\" Name=\"%s\" ",nb_components,name);
if (bflag == BASE64)
file.printf("format=\"binary\">\n");
else
file.printf("format=\"ascii\">\n");
if (bflag == BASE64)
b64.CreateHeader();
}
inline void ParaviewHelper::endData(){
if (bflag == BASE64)
b64.WriteHeader();
file.printf("</DataArray>\n");
}
inline void ParaviewHelper::PDataArray(const char * name,int nb_components){
file.printf("<PDataArray type=\"Float64\" NumberOfComponents=\"%d\" Name=\"%s\" ",nb_components,name);
if (bflag == BASE64)
file.printf("format=\"binary\"></PDataArray>\n");
else
file.printf("format=\"ascii\"></PDataArray>\n");
}
inline void ParaviewHelper::write_conclusion(){
file.printf("</Piece>\n");
file.printf("</UnstructuredGrid></VTKFile>");
}
inline void ParaviewHelper::pushDouble(double d){
if (bflag == BASE64)
b64.PushDoubleInBase64(d);
else{
file.printf("%.15e ",d);
++compteur;
if (compteur%3 == 0)
file.printf("\n");
}
}
inline void ParaviewHelper::pushInteger(int i){
if (bflag == BASE64)
b64.PushIntegerInBase64(i);
else{
file.printf("%d ",i);
}
}
#endif // PARAVIEWHELPER_H

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