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137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
/// \cond SKIP
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/*!
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Copyright 2012 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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///\endcond
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/// \page tutorial1 A simple cartesian grid
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/// This tutorial explains how to construct a simple Cartesian grid,
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/// and we will take a look at some output facilities.
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/// \page tutorial1
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/// \section commentedsource1 Program walk-through.
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/// All headers from opm-core are found in the opm/core/ directory.
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/// Some important headers are at the root, other headers are found
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/// in subdirectories.
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/// \snippet tutorial1.cpp including headers
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/// \internal [including headers]
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <opm/grid/UnstructuredGrid.h>
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#include <opm/grid/GridManager.hpp>
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// 17.03.2016 Temporarily removed while moving functionality to opm-output
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#ifdef DISABLE_OUTPUT
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#include <opm/core/io/vtk/writeVtkData.hpp>
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#endif
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#include <iostream>
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#include <fstream>
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#include <vector>
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/// \internal [including headers]
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/// \endinternal
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// ----------------- Main program -----------------
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int main()
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try
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{
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/// \page tutorial1
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/// We set the number of blocks in each direction.
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/// \snippet tutorial1.cpp num blocks
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/// \internal [num blocks]
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int nx = 4;
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int ny = 3;
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int nz = 2;
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/// \internal [num blocks]
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/// \endinternal
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/// The size of each block is 1m x 1m x 1m. The default units are always the
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/// standard units (SI). But other units can easily be dealt with, see Opm::unit.
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/// \snippet tutorial1.cpp dim
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/// \internal [dim]
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double dx = 1.0;
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double dy = 1.0;
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double dz = 1.0;
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/// \internal [dim]
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/// \endinternal
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/// \page tutorial1
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/// In opm-core, grid information is accessed via the UnstructuredGrid data structure.
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/// This data structure has a pure C API, including helper functions to construct and
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/// destroy the data structure. In this tutorial however, we will use Opm::GridManager,
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/// which is a C++ class that wraps the UnstructuredGrid and takes care of
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/// object lifetime issues.
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/// One of the constructors of the class Opm::GridManager takes <code>nx, ny, nz, dx, dy, dz</code>
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/// and construct the corresponding Cartesian grid.
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/// \snippet tutorial1.cpp grid manager
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/// \internal [grid manager]
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Opm::GridManager grid(nx, ny, nz, dx, dy, dz);
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/// \internal [grid manager]
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/// \endinternal
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/// \page tutorial1
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/// We open an output file stream for the output
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/// \snippet tutorial1.cpp output stream
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/// \internal [output stream]
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#ifdef DISABLE_OUTPUT
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std::ofstream vtkfile("tutorial1.vtu");
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#endif
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/// \internal [output stream]
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/// \endinternal
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/// \page tutorial1
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/// The Opm::writeVtkData() function writes a grid together with
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/// data to a stream. Here, we just want to visualize the grid. We
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/// construct an empty Opm::DataMap object, which we send to
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/// Opm::writeVtkData() together with the grid
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/// \snippet tutorial1.cpp data map
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/// \internal [data map]
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// 17.03.2016 Temporarily removed while moving functionality to opm-output
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#ifdef DISABLE_OUTPUT
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Opm::DataMap dm;
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#endif
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/// \internal [data map]
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/// \endinternal
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/// \page tutorial1
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/// Call Opm::writeVtkData() to write the output file.
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/// \snippet tutorial1.cpp write vtk
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/// \internal [write vtk]
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// 17.03.2016 Temporarily removed while moving functionality to opm-output
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#ifdef DISABLE_OUTPUT
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Opm::writeVtkData(*grid.c_grid(), dm, vtkfile);
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#endif
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/// \internal [write vtk]
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/// \endinternal
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}
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catch (const std::exception &e) {
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std::cerr << "Program threw an exception: " << e.what() << "\n";
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throw;
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}
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/// \page tutorial1
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/// We read the vtu output file in \a Paraview and obtain the following grid.
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/// \image html tutorial1.png
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/// \page tutorial1
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/// \section completecode1 Complete source code:
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/// \include tutorial1.cpp
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/// \page tutorial1
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/// \details
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/// \section pythonscript1 Python script to generate figures:
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/// \snippet generate_doc_figures.py tutorial1
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