VC&OLE:GetBodyChordTolerance(double & chordTolerance)

huangyhg

bool GetBodyChordTolerance(double & chordTolerance)
{
  bool      result = false;
  if (!m_dFace)
    return result;

  IFACE swFace(m_dFace);
  LPDISPATCH dBody = swFace.GetBody();  
  swFace.DetachDispatch();

  if (!dBody)
    return result;
  if (m_pSolidWorksGeom->m_dPreBody == dBody)
  {
    chordTolerance = m_pSolidWorksGeom->m_swChordTolerance;
    result = true;
    return result;
  }
  // get new chord tolerance if new body
  m_pSolidWorksGeom->m_dPreBody = dBody;
  IBODY swBody (dBody);
  VARIANT faceList;
  VariantInit (&faceList);
  LPDISPATCH dTessellation = swBody.GetTessellation(faceList);
  swBody.DetachDispatch();
  if (dTessellation)
  {

    ITESSELLATION swTessellation (dTessellation);
    chordTolerance = swTessellation.GetCurveChordTolerance();
    swTessellation.DetachDispatch();
    m_pSolidWorksGeom->m_swChordTolerance = chordTolerance;

    result = true ;
  }

  return result;
}