New classes for new algorithm

src/Math/Structured2DGrid.h

@@ -0,0 +1,74 @@
+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Sara Vanini < sara.vanini@pd.infn.it >
+
+  ------------------------------------------------------------------
+  This library is free software;  you  can  redistribute  it  and/or
+  modify it  under the  terms  of  the  GNU  Lesser  General  Public
+  License as published  by  the  Free  Software  Foundation;  either
+  version 3.0 of the License, or (at your option) any later version.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of  the GNU Lesser General  Public
+  License along with this library.
+
+//////////////////////////////////////////////////////////////////////////////*/
+
+#ifndef Structured2DGrid_H
+#define Structured2DGrid_H
+
+#include "Math/Dense.h"
+
+#include <Eigen/Dense>
+#include <Eigen/Geometry>
+
+using namespace Eigen;
+
+namespace uLib {
+
+class Structured2DGrid {
+public:
+
+    Structured2DGrid();
+
+    /// unit-space
+    void SetDims(const Vector2i &size);
+    inline Vector2i GetDims() {return m_Dims; }
+    bool IsInsideGrid(const Vector2i &v) const;
+    inline int Map(Vector2i index) const  { return (m_Increments.transpose() * index);}
+    Vector2i UnMap(int index) const;
+
+    /// physics-space
+    void SetPhysicalSpace(const Vector2f &origin, const Vector2f &spacing);
+    inline Vector2f GetSpacing() const {    return m_binW; }
+    inline Vector2f GetOrigin() const {    return m_Origin; }
+    bool IsInsideBounds(const Vector2f &pt) const;
+
+    /// operations
+    Vector2i PhysicsToUnitSpace(const Vector2f &pt) const;
+    Vector2f UnitToPhysicsSpace(const Vector2i &ind) const;
+    void PrintSelf(std::ostream &o);
+    void SetDebug(bool debug){ m_debug = debug; };
+
+private:
+    Vector2i m_Dims;
+    Vector2i m_Increments;
+    Vector2f m_binW;
+    Vector2f m_Origin;
+    bool m_debug;
+
+     Transform<float, 2, Eigen::Affine>  m_uni2phys_T;
+     Transform<float, 2, Eigen::Affine>  m_phys2uni_T;
+};
+}
+
+#endif // Structured2DGrid_H