enum OdDgGeometryCacheActionType { kUnknown = 0x00, kPolyline3d = 0x01, kPolyline2d = 0x02, kArc3d = 0x05, kArc2d = 0x06, kEllipse3d = 0x07, kEllipse2d = 0x08, kPolygon3d = 0x09, kPolygon2d = 0x0A, kCone = 0x0B, kTorus = 0x0C, kPushTransform = 0x0D, kPopTransform = 0x0E, kBeginSolid = 0x10, kBeginExtrusionSolid = 0x11, kBeginRevolutionSolid = 0x12, kEndSolid = 0x13, kBeginComplexString = 0x14, kBeginComplexShapeOrGrHole = 0x15, kEndComplex = 0x16, kMarkHole = 0x17, kBrepData = 0x18, kMesh = 0x19, kBSplineCurve3d = 0x1A, kBSplineSurface = 0x1B, kSetTrainsData = 0x1C, kSlabSolid = 0x1E, kSphere = 0x1F, kOriginAndRotation = 0x22, kModifiedProfileBegin = 0x23, kModifiedProfileEnd = 0x24, kText = 0x25, kByLevelOrGradientData = 0x28, kExtraDataSectionBegin = 0x29, kExtraDataSectionEnd = 0x2c, kHatchPattern = 0x31 };