ENH: base class for GISTable functions

Code/GISFilters/otbGISTableFunction.h

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __itkGISTableFunction_h
+#define __itkGISTableFunction_h
+
+#include "itkFunctionBase.h"
+#include "otbGISTable.h"
+
+namespace otb
+{
+
+
+/** \class GISTableFunction
+ * \brief Evaluates a const transaction on a GISTable
+ *
+ * GISTableFunction is a baseclass for all objects that evaluate
+ * a const transaction on a GISTable.
+ *
+ * The input image is set via method SetInputTable().
+ * 
+ * 
+ * \sa GISTable
+ * \sa GISConnection
+ *
+ * \ingroup GISTableFunctions
+ */
+template <
+class TInputTable,
+class TOutput
+>
+class ITK_EXPORT GISTableFunction :
+    public FunctionBase< TInputTable,
+                       TOutput >
+{
+public:
+  /** Dimension underlying input image. */
+  itkStaticConstMacro(TableDimension, unsigned int,
+                      TInputTable::SpatialDimension);
+
+  /** Standard class typedefs. */
+  typedef GISTableFunction                                         Self;
+  typedef FunctionBase<
+    TInputTable,
+    TOutput >                                                   Superclass;
+  typedef SmartPointer<Self>                                    Pointer;
+  typedef SmartPointer<const Self>                              ConstPointer;
+
+  /** Run-time type information (and related methods). */
+  itkTypeMacro(GISTableFunction, FunctionBase);
+
+  /** InputTableType typedef support. */
+  typedef TInputTable InputTableType;
+
+  /** Connection typedef support */
+  typedef typename InputTableType::ConnectionType ConnectionType;
+
+  /** InputImagePointer typedef support */
+  typedef typename InputTableType::ConstPointer InputTableConstPointer;
+
+  /** OutputType typedef support. */
+  typedef TOutput OutputType;
+
+  /** Set the input table. */
+  virtual void SetInputTable( const InputTableType* ptr );
+
+  /** Get the input image. */
+  const InputTableType * GetInputTable() const
+    { return m_Table.GetPointer(); }
+
+  /** Evaluate the function.
+   * Subclasses must provide this method. */
+  virtual TOutput Evaluate( ) const = 0;
+
+
+protected:
+  GISTableFunction();
+  ~GISTableFunction() {}
+  void PrintSelf(std::ostream& os, Indent indent) const;
+
+  /** Const pointer to the input image. */
+  InputTableConstPointer  m_Image;
+
+private:
+  GISTableFunction(const Self&); //purposely not implemented
+  void operator=(const Self&); //purposely not implemented
+
+};
+
+} // end namespace otb
+
+
+#if OTB_MANUAL_INSTANTIATION
+# include "itkGISTableFunction.txx"
+#endif
+
+#endif

Code/GISFilters/otbGISTableFunction.txx

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __otbGISTableFunction_txx
+#define __otbGISTableFunction_txx
+
+#include "otbGISTableFunction.h"
+
+namespace otb
+{
+
+/**
+ * Constructor
+ */
+template <class TInputTable, class TOutput>
+GISTableFunction<TInputTable, TOutput>
+::GISTableFunction()
+{
+  m_Table = NULL;
+}
+
+
+/**
+ * Standard "PrintSelf" method
+ */
+template <class TInputTable, class TOutput>
+void
+GISTableFunction<TInputTable, TOutput>
+::PrintSelf(
+  std::ostream& os,
+  Indent indent) const
+{
+  Superclass::PrintSelf( os, indent );
+  os << indent << "InputTable: " << m_Table.GetPointer() << std::endl;
+
+}
+
+
+/**
+ * Initialize by setting the input table
+ */
+template <class TInputTable, class TOutput>
+void
+GISTableFunction<TInputTable, TOutput>
+::SetInputTable(
+  const InputTableType* ptr )
+{
+  // set the input table
+  m_Table = ptr;
+
+}
+
+
+} // end namespace itk
+
+#endif