mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-11-24 10:10:18 -06:00
289 lines
10 KiB
C++
289 lines
10 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
// vi: set et ts=4 sw=4 sts=4:
|
|
/*
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM 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.
|
|
|
|
OPM 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 OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Consult the COPYING file in the top-level source directory of this
|
|
module for the precise wording of the license and the list of
|
|
copyright holders.
|
|
*/
|
|
#include <opm/common/ErrorMacros.hpp>
|
|
#include <opm/common/Exceptions.hpp>
|
|
|
|
#include <dune/common/version.hh>
|
|
#include <dune/common/fvector.hh>
|
|
#include <dune/common/fmatrix.hh>
|
|
|
|
#include <algorithm>
|
|
#include <fstream>
|
|
#include <iomanip>
|
|
#include <vector>
|
|
#include <sstream>
|
|
#include <string>
|
|
#include <memory>
|
|
|
|
namespace Ewoms {
|
|
/*!
|
|
* \brief Reads in mesh files in the ART format.
|
|
*
|
|
* This file format is used to specify grids with fractures.
|
|
*/
|
|
|
|
struct Art2DGF
|
|
{
|
|
/*!
|
|
* \brief Create the Grid
|
|
*/
|
|
static void convert( const std::string& artFileName,
|
|
std::ostream& dgfFile,
|
|
const unsigned precision = 16 )
|
|
{
|
|
typedef double Scalar;
|
|
typedef Dune::FieldVector< Scalar, 2 > GlobalPosition;
|
|
enum ParseMode { Vertex, Edge, Element, Finished };
|
|
std::vector< std::pair<GlobalPosition, unsigned> > vertexPos;
|
|
std::vector<std::pair<unsigned, unsigned> > edges;
|
|
std::vector<std::pair<unsigned, unsigned> > fractureEdges;
|
|
std::vector<std::vector<unsigned> > elements;
|
|
std::ifstream inStream(artFileName);
|
|
if (!inStream.is_open()) {
|
|
OPM_THROW(std::runtime_error,
|
|
"File '" << artFileName
|
|
<< "' does not exist or is not readable");
|
|
}
|
|
std::string curLine;
|
|
ParseMode curParseMode = Vertex;
|
|
while (inStream) {
|
|
std::getline(inStream, curLine);
|
|
|
|
// remove comments
|
|
auto commentPos = curLine.find("%");
|
|
if (commentPos != curLine.npos) {
|
|
curLine = curLine.substr(0, commentPos);
|
|
}
|
|
|
|
// remove leading whitespace
|
|
unsigned numLeadingSpaces = 0;
|
|
while (curLine.size() > numLeadingSpaces
|
|
&& std::isspace(curLine[numLeadingSpaces]))
|
|
++numLeadingSpaces;
|
|
curLine = curLine.substr(numLeadingSpaces,
|
|
curLine.size() - numLeadingSpaces);
|
|
|
|
// remove trailing whitespace
|
|
unsigned numTrailingSpaces = 0;
|
|
while (curLine.size() > numTrailingSpaces
|
|
&& std::isspace(curLine[curLine.size() - numTrailingSpaces]))
|
|
++numTrailingSpaces;
|
|
curLine = curLine.substr(0, curLine.size() - numTrailingSpaces);
|
|
|
|
// a section of the file is finished, go to the next one
|
|
if (curLine == "$") {
|
|
if (curParseMode == Vertex)
|
|
curParseMode = Edge;
|
|
else if (curParseMode == Edge)
|
|
curParseMode = Element;
|
|
else if (curParseMode == Element)
|
|
curParseMode = Finished;
|
|
continue;
|
|
}
|
|
|
|
// skip empty lines
|
|
if (curLine.empty())
|
|
continue;
|
|
|
|
if (curParseMode == Vertex) {
|
|
GlobalPosition coord;
|
|
std::istringstream iss(curLine);
|
|
// parse only the first two numbers as the vertex
|
|
// coordinate. the last number is the Z coordinate
|
|
// which we ignore (so far)
|
|
iss >> coord[0] >> coord[1];
|
|
vertexPos.push_back( std::make_pair( coord, 0 ) );
|
|
}
|
|
else if (curParseMode == Edge) {
|
|
// read an edge and update the fracture mapper
|
|
|
|
// read the data attached to the edge
|
|
std::istringstream iss(curLine);
|
|
int dataVal;
|
|
std::string tmp;
|
|
iss >> dataVal;
|
|
iss >> tmp;
|
|
assert(tmp == ":");
|
|
|
|
// read the vertex indices of an edge
|
|
std::vector<unsigned int> vertIndices;
|
|
while (iss) {
|
|
unsigned int tmp2;
|
|
iss >> tmp2;
|
|
if (!iss)
|
|
break;
|
|
vertIndices.push_back(tmp2);
|
|
assert(tmp2 < vertexPos.size());
|
|
}
|
|
|
|
// an edge always has two indices!
|
|
assert(vertIndices.size() == 2);
|
|
|
|
std::pair<unsigned, unsigned> edge(vertIndices[0], vertIndices[1]);
|
|
edges.push_back(edge);
|
|
|
|
// add the edge to the fracture mapper if it is a fracture
|
|
if (dataVal < 0) {
|
|
fractureEdges.push_back(edge);
|
|
vertexPos[ edge.first ].second = 1;
|
|
vertexPos[ edge.second ].second = 1;
|
|
}
|
|
}
|
|
else if (curParseMode == Element) {
|
|
// skip the data attached to an element
|
|
std::istringstream iss(curLine);
|
|
int dataVal;
|
|
std::string tmp;
|
|
iss >> dataVal;
|
|
iss >> tmp;
|
|
assert(tmp == ":");
|
|
|
|
// read the edge indices of an element
|
|
std::vector<unsigned> edgeIndices;
|
|
while (iss) {
|
|
unsigned tmp2;
|
|
iss >> tmp2;
|
|
if (!iss)
|
|
break;
|
|
edgeIndices.push_back(tmp2);
|
|
assert(tmp2 < edges.size());
|
|
}
|
|
|
|
// so far, we only support triangles
|
|
assert(edgeIndices.size() == 3);
|
|
|
|
// extract the vertex indices of the element
|
|
std::vector<unsigned> vertIndices;
|
|
for (unsigned i = 0; i < 3; ++i) {
|
|
bool haveFirstVertex = false;
|
|
for (unsigned j = 0; j < vertIndices.size(); ++j) {
|
|
assert(edgeIndices[i] < edges.size());
|
|
if (vertIndices[j] == edges[edgeIndices[i]].first) {
|
|
haveFirstVertex = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!haveFirstVertex)
|
|
vertIndices.push_back(edges[edgeIndices[i]].first);
|
|
|
|
bool haveSecondVertex = false;
|
|
for (unsigned j = 0; j < vertIndices.size(); ++j) {
|
|
assert(edgeIndices[i] < edges.size());
|
|
if (vertIndices[j] == edges[edgeIndices[i]].second) {
|
|
haveSecondVertex = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!haveSecondVertex)
|
|
vertIndices.push_back(edges[edgeIndices[i]].second);
|
|
}
|
|
|
|
// check whether the element's vertices are given in
|
|
// mathematically positive direction. if not, swap the
|
|
// first two.
|
|
Dune::FieldMatrix<Scalar, 2, 2> mat;
|
|
mat[0] = vertexPos[vertIndices[1]].first;
|
|
mat[0] -= vertexPos[vertIndices[0]].first;
|
|
mat[1] = vertexPos[vertIndices[2]].first;
|
|
mat[1] -= vertexPos[vertIndices[0]].first;
|
|
assert(std::abs(mat.determinant()) > 1e-50);
|
|
if (mat.determinant() < 0)
|
|
std::swap(vertIndices[2], vertIndices[1]);
|
|
|
|
elements.push_back( vertIndices );
|
|
}
|
|
else if (curParseMode == Finished) {
|
|
assert(curLine.size() == 0);
|
|
}
|
|
}
|
|
|
|
dgfFile << "DGF" << std::endl << std::endl;
|
|
|
|
dgfFile << "GridParameter" << std::endl
|
|
<< "overlap 1" << std::endl
|
|
<< "closure green" << std::endl
|
|
<< "#" << std::endl << std::endl;
|
|
|
|
dgfFile << "Vertex" << std::endl;
|
|
const bool hasFractures = fractureEdges.size() > 0;
|
|
if( hasFractures )
|
|
{
|
|
dgfFile << "parameters 1" << std::endl;
|
|
}
|
|
dgfFile << std::scientific;
|
|
dgfFile.precision( precision );
|
|
const size_t vxSize = vertexPos.size();
|
|
for( size_t i=0; i<vxSize; ++i)
|
|
{
|
|
dgfFile << vertexPos[ i ].first;
|
|
if( hasFractures )
|
|
{
|
|
dgfFile << " " << vertexPos[ i ].second;
|
|
}
|
|
dgfFile << std::endl;
|
|
}
|
|
|
|
dgfFile << "#" << std::endl << std::endl;
|
|
|
|
dgfFile << "Simplex" << std::endl;
|
|
const size_t elSize = elements.size();
|
|
for( size_t i=0; i<elSize; ++i )
|
|
{
|
|
const size_t elVx = elements[ i ].size();
|
|
for( size_t j=0; j<elVx; ++j )
|
|
dgfFile << elements[ i ][ j ] << " ";
|
|
dgfFile << std::endl;
|
|
}
|
|
|
|
dgfFile << "#" << std::endl << std::endl;
|
|
dgfFile << "BoundaryDomain" << std::endl;
|
|
dgfFile << "default 1" << std::endl;
|
|
dgfFile << "#" << std::endl << std::endl;
|
|
dgfFile << "#" << std::endl;
|
|
}
|
|
};
|
|
|
|
} // namespace Ewoms
|
|
|
|
int main( int argc, char** argv )
|
|
{
|
|
if (argc != 2) {
|
|
std::cout << "Converts a grid file from the ART file format to DGF (Dune grid format)\n"
|
|
<< "\n"
|
|
<< "Usage: " << argv[0] << " ART_FILENAME\n"
|
|
<< "\n"
|
|
<< "The result will be written to the file $ART_FILENAME.dgf\n";
|
|
return 1;
|
|
}
|
|
|
|
std::string filename( argv[ 1 ] );
|
|
std::string dgfname( filename );
|
|
dgfname += ".dgf";
|
|
|
|
std::cout << "Converting ART file \"" << filename << "\" to DGF file \"" << dgfname << "\"\n";
|
|
std::ofstream dgfFile( dgfname );
|
|
Ewoms::Art2DGF::convert( filename, dgfFile );
|
|
|
|
return 0;
|
|
}
|