CAPartitionVG.hpp

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//- Class:          CAPartitionVG
//- Owner:          Tim Tautges
//- Description:    Cubit attribute for partition virtual geometry
//- Checked by:
//- Version:
//-
//- This attribute holds the information necessary to re-partition
//- an entity into several parts.  This attribute does not store the
//- data necessary to create the virtual entities that partitions this
//- entity; those data are stored on a CAVirtualVG attribute.
//-
//- This attribute stores the following data:
//- numPC, numPS: the number of partition curves, surfaces this entity
//-     will be split into
//- vgUIDs[0..3*numPC-1]: uids of start and end vertices, and of partition
//-     curve formed from those
//- vgUIDs[3*numPC..(end)]: for each partition surface, the uids of the 
//-     bounding curves (some of them may be virtual), then the uid of the
//-     partition surface itself
//- numBdyCurves[numPS]: number of bounding curves for each surface
//-
//- For partition surfaces, this attribute actuates by:
//- . actuating partition VG attributes on next-lower order entities
//- . actuating virtual VG attributes on self
//- . gathering up the bounding curve uid's & edges, removing those
//-   already bounding the (non-partitioned) entity
//- . using these to partition the entity
//-

#ifndef CA_PARTITION_VG_HPP
#define CA_PARTITION_VG_HPP

#include "CubitAttrib.hpp"
#include "DLIList.hpp"
#include "CADefines.hpp"

class Point;
class RefEntity;
class CubitSimpleAttrib;
class RefEntity;
class PartitionCurve;
class PartitionSurface;
class CubitVector;
class RefEdge;
class RefVertex;
class RefEdge;
class BasicTopologyEntity;
class ToolDataUser;

class CAPartitionVG: public CubitAttrib
{

private:
  int numPC, numPS;
    //- the number of partition curves and surfaces on this entity

  DLIList<int> vgUIDs;
    //- unique ids of various entities

  DLIList<int> numBdyCurves;
    //- for each partition surface, the number of bounding curves

public:
  CAPartitionVG(RefEntity*, const CubitSimpleAttrib&);
    //- construct a CAPVG from a simple attribute

  virtual ~CAPartitionVG() {};

  CubitStatus actuate();
  
  CubitStatus update();

  CubitStatus reset();
    //- reset info; called from CAU and also from update!

  CubitSimpleAttrib cubit_simple_attrib();
  
  CubitSimpleAttrib cubit_simple_attrib(CubitString);
  
  int int_attrib_type() {return CA_PARTITION_VG;}
    //- returns the enumerated attribute type

};

CubitAttrib* CAPartitionVG_creator(RefEntity* entity, const CubitSimpleAttrib& p_csa);

#endif