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authorAdrian Kummerlaender2019-06-24 14:43:36 +0200
committerAdrian Kummerlaender2019-06-24 14:43:36 +0200
commit94d3e79a8617f88dc0219cfdeedfa3147833719d (patch)
treec1a6894679563e271f5c6ea7a17fa3462f7212a3 /src/io/colormaps.h
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Initialize at openlb-1-3
Diffstat (limited to 'src/io/colormaps.h')
-rw-r--r--src/io/colormaps.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/src/io/colormaps.h b/src/io/colormaps.h
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+/* This file is part of the OpenLB library
+ *
+ * Copyright (C) 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.
+*/
+
+#ifndef COLORMAPS_H
+#define COLORMAPS_H
+
+#include <string>
+#include <vector>
+
+namespace olb {
+
+namespace graphics {
+
+template <typename T>
+struct ScalarFunction {
+ virtual ~ScalarFunction() { }
+ virtual T operator() (T x) const =0;
+ virtual ScalarFunction<T>* clone() const=0;
+};
+
+template <typename T>
+class LinearFunction : public ScalarFunction<T> {
+public:
+ LinearFunction(T x1_, T x2_, T y1_, T y2_);
+ T operator() (T x) const override;
+ LinearFunction<T>* clone() const override;
+private:
+ T x1, x2, y1, y2;
+};
+
+template <typename T>
+class PowerLawFunction : public ScalarFunction<T> {
+public:
+ PowerLawFunction(T x1_, T x2_, T y1_, T y2_, T b_);
+ T operator() (T x) const override;
+ PowerLawFunction<T>* clone() const override;
+private:
+ T x1, x2, y1, y2;
+ T b;
+};
+
+template <typename T>
+struct Piece {
+ Piece(T closedBegin_, T openEnd_) : closedBegin(closedBegin_), openEnd(openEnd_)
+ {
+ }
+ T closedBegin, openEnd;
+};
+
+template <typename T>
+class PiecewiseFunction : public ScalarFunction<T> {
+public:
+ PiecewiseFunction() { }
+ ~PiecewiseFunction() override;
+ PiecewiseFunction(PiecewiseFunction<T> const& rhs);
+ PiecewiseFunction<T>& operator=(PiecewiseFunction<T> const& rhs);
+ void swap(PiecewiseFunction<T>& rhs);
+ void addPiece(Piece<T> piece, ScalarFunction<T>* f);
+ T operator() (T x) const override;
+ PiecewiseFunction<T>* clone() const override;
+private:
+ std::vector<Piece<T> > pieces;
+ std::vector<ScalarFunction<T>*> functions;
+};
+
+template <typename T>
+struct rgb {
+ rgb(T r_, T g_, T b_) : r(r_), g(g_), b(b_)
+ {
+ }
+ T r,g,b;
+};
+
+template <typename T>
+class ColorMap {
+public:
+ ColorMap(PiecewiseFunction<T> const& red_,
+ PiecewiseFunction<T> const& green_,
+ PiecewiseFunction<T> const& blue_);
+ rgb<T> get(T x) const;
+private:
+ PiecewiseFunction<T> red, green, blue;
+};
+
+namespace mapGenerators {
+
+template <typename T> PiecewiseFunction<T> generateEarthRed();
+template <typename T> PiecewiseFunction<T> generateEarthGreen();
+template <typename T> PiecewiseFunction<T> generateEarthBlue();
+
+template <typename T> PiecewiseFunction<T> generateWaterRed();
+template <typename T> PiecewiseFunction<T> generateWaterGreen();
+template <typename T> PiecewiseFunction<T> generateWaterBlue();
+
+template <typename T> PiecewiseFunction<T> generateAirRed();
+template <typename T> PiecewiseFunction<T> generateAirGreen();
+template <typename T> PiecewiseFunction<T> generateAirBlue();
+
+template <typename T> PiecewiseFunction<T> generateFireRed();
+template <typename T> PiecewiseFunction<T> generateFireGreen();
+template <typename T> PiecewiseFunction<T> generateFireBlue();
+
+template <typename T> PiecewiseFunction<T> generateLeeLooRed();
+template <typename T> PiecewiseFunction<T> generateLeeLooGreen();
+template <typename T> PiecewiseFunction<T> generateLeeLooBlue();
+
+template <typename T> ColorMap<T> generateMap(std::string mapName);
+
+} // namespace mapGenerators
+
+} // namespace graphics
+
+} // namespace olb
+
+#endif