SundanceTriangleWriter.hpp

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//                             Sundance
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/* @HEADER@ */

#ifndef SUNDANCE_TRIANGLEWRITER_H
#define SUNDANCE_TRIANGLEWRITER_H


#include "SundanceDefs.hpp"
#include "SundanceFieldWriterBase.hpp"

namespace Sundance
{
/**
 * TriangleWriter writes a mesh or fields to a file
 * in Shewchuk's Triangle format.
 */
class TriangleWriter : public FieldWriterBase
{
public:
  /** */
  TriangleWriter(const std::string& filename="", int indexOffset=0) 
    : FieldWriterBase(filename), indexOffset_(indexOffset) {;}
    
  /** virtual dtor */
  virtual ~TriangleWriter(){;}

  /** */
  virtual void write() const ;

  /** Return a ref count pointer to self */
  virtual RCP<FieldWriterBase> getRcp() {return rcp(this);}

protected:
  /** */
  void writePoints(const std::string& filename) const ;

  /** */
  void writeCells(const std::string& filename) const ;
    
  /** */
  void writeEdges(const std::string& filename) const ;
    
  /** */
  void writeFaces(const std::string& filename) const ;
    
  /** */
  void writeHeader(const std::string& filename) const ;
    
  /** */
  void writeParallelInfo(const std::string& filename) const ;
    
  int indexOffset_;
};

/** 
 * TriangleWriterFactory produces an Triangle writer in contexts where a user cannot
 * do so directly.
 */
class TriangleWriterFactory : public FieldWriterFactoryBase
{
public:
  /** */
  TriangleWriterFactory() {}

  /** Create a writer with the specified filename */
  RCP<FieldWriterBase> createWriter(const string& name) const 
    {return rcp(new TriangleWriter(name));}

  /** */
  virtual RCP<FieldWriterFactoryBase> getRcp() {return rcp(this);}
  
};



}




#endif