From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 24 Jun 2019 14:43:36 +0200
Subject: Initialize at openlb-1-3

---
 src/core/blockLatticeView2D.h | 98 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 src/core/blockLatticeView2D.h

(limited to 'src/core/blockLatticeView2D.h')

diff --git a/src/core/blockLatticeView2D.h b/src/core/blockLatticeView2D.h
new file mode 100644
index 0000000..2f478cb
--- /dev/null
+++ b/src/core/blockLatticeView2D.h
@@ -0,0 +1,98 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2006, 2007 Jonas Latt
+ *  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
+ * Dynamics for a generic 2D block lattice view -- header file.
+ */
+#ifndef BLOCK_LATTICE_VIEW_2D_H
+#define BLOCK_LATTICE_VIEW_2D_H
+
+#include <vector>
+#include "blockLatticeStructure2D.h"
+#include "geometry/blockGeometry2D.h"
+#include "geometry/blockGeometryStatistics2D.h"
+
+namespace olb {
+
+/// A rectangular extract from a given BlockLatticeStructure.
+/** Attention:
+ * - This class can only be applied to already existing BlockLattices.
+ * - The postProcessors of the original BlockLattice are not called any
+ *   more. New, appropriate PostProcessors are generated instead.
+ */
+template<typename T, typename DESCRIPTOR>
+class BlockLatticeView2D : public BlockLatticeStructure2D<T,DESCRIPTOR> {
+public:
+  BlockLatticeView2D(BlockLatticeStructure2D<T,DESCRIPTOR>& originalLattice_);
+  BlockLatticeView2D(BlockLatticeStructure2D<T,DESCRIPTOR>& originalLattice_,
+                     int x0_, int x1_, int y0_, int y1_);
+  ~BlockLatticeView2D() override;
+  BlockLatticeView2D(BlockLatticeView2D const& rhs);
+  BlockLatticeView2D<T,DESCRIPTOR>& operator=
+  (BlockLatticeView2D<T,DESCRIPTOR> const& rhs);
+  void swap(BlockLatticeView2D<T,DESCRIPTOR>& rhs);
+
+  Cell<T,DESCRIPTOR>& get(int iX, int iY) override;
+  Cell<T,DESCRIPTOR>& get(int latticeR[]) override;
+  Cell<T,DESCRIPTOR> const& get(int iX, int iY) const override;
+  void initialize() override;
+  void defineDynamics (
+    int x0_, int x1_, int y0_, int y1_,
+    Dynamics<T,DESCRIPTOR>* dynamics ) override;
+  void defineDynamics(int iX, int iY, Dynamics<T,DESCRIPTOR>* dynamics ) override;
+  Dynamics<T,DESCRIPTOR>* getDynamics(int iX, int iY) override;
+  void collide(int x0_, int x1_, int y0_, int y1_) override;
+  void collide() override;
+  void stream(int x0_, int x1_, int y0_, int y1_) override;
+  void collideAndStream(int x0_, int x1_, int y0_, int y1_) override;
+  void stream(bool periodic=false) override;
+  void collideAndStream(bool periodic=false) override;
+  T computeAverageDensity(int x0_, int x1_, int y0_, int y1_) const override;
+  T computeAverageDensity() const override;
+  void computeStress(int iX, int iY, T pi[util::TensorVal<DESCRIPTOR >::n]) override;
+  void stripeOffDensityOffset (
+    int x0_, int x1_, int y0_, int y1_, T offset ) override;
+  void stripeOffDensityOffset(T offset) override;
+  void forAll(int x0_, int x1_, int y0_, int y1_,
+                      WriteCellFunctional<T,DESCRIPTOR> const& application) override;
+  void forAll(WriteCellFunctional<T,DESCRIPTOR> const& application) override;
+  void addPostProcessor (
+    PostProcessorGenerator2D<T,DESCRIPTOR> const& ppGen) override;
+  void resetPostProcessors() override;
+  void postProcess(int x0_, int x1_, int y0_, int y1_) override;
+  void postProcess() override;
+  void addLatticeCoupling (
+    LatticeCouplingGenerator2D<T,DESCRIPTOR> const& lcGen,
+    std::vector<SpatiallyExtendedObject2D*> partners ) override;
+  void executeCoupling(int x0_, int x1_, int y0_, int y1_) override;
+  void executeCoupling() override;
+  LatticeStatistics<T>& getStatistics() override;
+  LatticeStatistics<T> const& getStatistics() const override;
+private:
+  BlockLatticeStructure2D<T,DESCRIPTOR>  *originalLattice;
+  int                          x0, y0;
+};
+
+}  // namespace olb
+
+#endif
-- 
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