26 #define NO_USER_DATA -1
71 #define OCTREE_DATA_OFFSET_X 0
72 #define OCTREE_DATA_OFFSET_Y 1
73 #define OCTREE_DATA_OFFSET_Z 2
74 #define OCTREE_DATA_SPACING_X 3
75 #define OCTREE_DATA_SPACING_Y 4
76 #define OCTREE_DATA_SPACING_Z 5
77 #define OCTREE_DATA_DIMENSION_X 6
78 #define OCTREE_DATA_DIMENSION_Y 7
79 #define OCTREE_DATA_DIMENSION_Z 8
80 #define OCTREE_DATA_INITIAL_DISTANCE 9
81 #define OCTREE_DATA_VALUES 10
82 #define OCTREE_DATA_INDICES 11
84 #define FIELD_VECTOR_DATA_SIZE 6
85 #define FIELD_VECTOR_OFFSET_POSITION_X 0
86 #define FIELD_VECTOR_OFFSET_POSITION_Y 1
87 #define FIELD_VECTOR_OFFSET_POSITION_Z 2
88 #define FIELD_VECTOR_OFFSET_DIRECTION_X 3
89 #define FIELD_VECTOR_OFFSET_DIRECTION_Y 4
90 #define FIELD_VECTOR_OFFSET_DIRECTION_Z 5
92 #define FIELD_POINT_DATA_SIZE 4
93 #define FIELD_POINT_OFFSET_POSITION_X 0
94 #define FIELD_POINT_OFFSET_POSITION_Y 1
95 #define FIELD_POINT_OFFSET_POSITION_Z 2
96 #define FIELD_POINT_OFFSET_VALUE 3
98 #define RAY_FLAG_PRIMARY 0
99 #define RAY_FLAG_SECONDARY 1