WriteVtk.hpp

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#ifndef WRITE_VTK_HPP
#define WRITE_VTK_HPP

#include <iosfwd>

#include "moab/Forward.hpp"
#include "moab/WriterIface.hpp"

namespace moab {

class WriteUtilIface;

//class MB_DLL_EXPORT WriteVtk : public WriterIface
class WriteVtk : public WriterIface
{
 
public:

   WriteVtk(Interface *impl);

  virtual ~WriteVtk();
  
  static WriterIface* factory( Interface* );

  ErrorCode write_file(const char *file_name,
                         const bool overwrite,
                         const FileOptions& opts,
                         const EntityHandle *output_list,
                         const int num_sets,
                         const std::vector<std::string>& qa_list,
                         const Tag* tag_list = NULL,
                         int num_tags = 0,
                         int export_dimension = 3);

private:

  ErrorCode gather_mesh( const EntityHandle* set_list,
                           int num_sets, 
                           Range& nodes,
                           Range& elems );
    
  ErrorCode write_header( std::ostream& stream );
  
  ErrorCode write_nodes( std::ostream& stream, const Range& nodes );
  
  ErrorCode write_elems( std::ostream& stream, const Range& nodes, const Range& elems );
  
  ErrorCode write_tags( std::ostream& stream, bool nodes, const Range& entities,
                          const Tag* tag_list, int num_tags );
  
  ErrorCode write_tag( std::ostream& stream, Tag tag, const Range& entities, const Range& tagged_entities );
  
  template <typename T> 
  ErrorCode write_tag( std::ostream& stream, Tag tag, const Range& entities, const Range& tagged_entities,
                         const int);

  ErrorCode write_bit_tag( std::ostream& stream, Tag tag, const Range& entities, const Range& tagged_entities );
  template <typename T>
  void write_data( std::ostream& stream, const std::vector<T>& data, unsigned vals_per_tag );

  Interface* mbImpl;
  WriteUtilIface* writeTool;
 
  bool mStrict; // If true, do not write data that cannot fit in strict VTK file format.
  
};

} // namespace moab

#endif