rwSpatialFilter.h

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/*******************************************************************************
** Copyright (c) 2005 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: rwSpatialFilter.h,v $ $Revision: 1.3 $ $State: Exp $
*******************************************************************************/



#ifndef rwSpatialFilter_H_
#define rwSpatialFilter_H_

#include "vrfutil/rdrWritr.h"
#include "vrfutil/vrfutilDefines.h"

class DtReaderWriterRegistry;
class DtSpatialFilterFactory;
class Coordinate_System;
class DtVector;
class DtTaitBryan;

class DT_DLL_vrfutil DtRwSpatialFilter : public DtReaderWriter
{
  public:  
    DtRwSpatialFilter();

    DtRwSpatialFilter (const DtString& name,
               DtReaderWriterRegistry* const parentRegistry = NULL);

    DtRwSpatialFilter (const DtSymbolString& name,
               DtReaderWriterRegistry* const parentRegistry = NULL);

    DtRwSpatialFilter (const DtRwSpatialFilter& orig,
               DtReaderWriterRegistry* const parentRegistry = NULL);

    DtRwSpatialFilter& operator= (const DtRwSpatialFilter& orig);

    virtual DtRwSpatialFilter* clone(DtReaderWriterRegistry* const parentRegistry = NULL) const = 0;

    virtual ~DtRwSpatialFilter();

    virtual DtString type() const;

    static void setFactory(DtSpatialFilterFactory* factory);

    static DtRwSpatialFilter* createSpatialFilter(const DtString& type);

protected:
   static DtSpatialFilterFactory* theFactory;
};

#endif