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src/Math/VoxImageFilterCustom.hpp

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+/*//////////////////////////////////////////////////////////////////////////////
+// CMT Cosmic Muon Tomography project //////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+  Copyright (c) 2014, Universita' degli Studi di Padova, INFN sez. di Padova
+  All rights reserved
+
+  Authors: Andrea Rigoni Garola < andrea.rigoni@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 VOXIMAGEFILTERCUSTOM_HPP
+#define VOXIMAGEFILTERCUSTOM_HPP
+
+#include <Math/Dense.h>
+#include "Math/VoxImage.h"
+#include "VoxImageFilter.h"
+
+////////////////////////////////////////////////////////////////////////////////
+/////  VOXIMAGE FILTER CUSTOM  /////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+namespace uLib {
+
+template <typename VoxelT>
+class VoxFilterAlgorithmCustom :
+        public VoxImageFilter<VoxelT, VoxFilterAlgorithmCustom<VoxelT> > {
+
+
+    typedef float (* FunctionPt)(const Vector<Scalarf> &);
+public:
+    typedef VoxImageFilter<VoxelT, VoxFilterAlgorithmCustom<VoxelT> > BaseClass;
+    VoxFilterAlgorithmCustom(const Vector3i &size) :
+        BaseClass(size), m_CustomEvaluate(NULL)
+    {}
+
+    float Evaluate(const VoxImage<VoxelT> &buffer, int index)
+    {
+        if(likely(m_CustomEvaluate)) {
+            const Vector<VoxelT> &vbuf = buffer.ConstData();
+            const Vector<VoxelT> &vker = this->m_KernelData.ConstData();
+            int vox_size = vbuf.size();
+            int ker_size = vker.size();
+            int pos;
+
+            float ker_sum = 0;
+            Vector<Scalarf> mfh(ker_size);
+            for (int ik = 0; ik < ker_size; ik++) {
+                pos = index + vker[ik].Count - vker[this->m_KernelData.GetCenterData()].Count;
+                pos = (pos + vox_size) % vox_size;
+                mfh[ik] = vbuf[pos].Value * vker[ik].Value;
+                ker_sum += vker[ik].Value;
+            }
+
+            return this->m_CustomEvaluate(mfh);
+        }
+        else
+            std::cerr << "Custom evaluate function is NULL \n" <<
+                         "No operation performed by filter.\n";
+
+    }
+
+    uLibSetMacro(CustomEvaluate,FunctionPt)
+
+private:
+    FunctionPt m_CustomEvaluate;
+};
+
+}
+
+
+#endif // VOXIMAGEFILTERCUSTOM_HPP