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icetBoundingVertices -- set bounds of geometry.

Bugs

       None known.

Description

icetBoundingVertices  is  used  to  tell  IceT  what  the  bounds  of  the geometry drawn by the callback
       registered with icetDrawCallback or icetGLDrawCallback are. The bounds are assumed to be the convex  hull
       of  the  vertices given. The user should take care to make sure that the drawn geometry actually does fit
       within the convex hull, or the data may be culled in unexpected ways. IceT runs most efficiently when the
       bounds given are tight (match the actual volume of the data well) and when the number of  vertices  given
       is minimal.

       The  size  parameter  specifies the number of coordinates given for each vertex. Coordinates are given in
       X-Y-Z-W order. Any Y or Z coordinate not given (because size is less than 3) is assumed to  be  0.0,  and
       any W coordinate not given (because size is less than 4) is assumed to be 1.0.

       The  type  parameter  specifies  in what data type the coordinates are given. Valid types are ICET_SHORT,
       ICET_INT, ICET_FLOAT, and ICET_DOUBLE, which correspond  to  types  IceTShort,  IceTInt,  IceTFloat,  and
       IceTDouble, respectively.

       The  stride  parameter  specifies  the  offset between consecutive vertices in bytes. If stride is 0, the
       array is assumed to be tightly packed.

       The count parameter specifies the number of vertices to set.

       The pointer parameter is an array of vertices with the first vertex starting at the first byte.

       If data replication is being used, each process in a data replication  group  should  register  the  same
       bounding  vertices that encompass the entire geometry. By default there is no data replication, so unless
       you call icetDataReplicationGroup, all process can have their own bounds.

Errors

ICET_INVALID_ENUM
               Raised if type is not one of ICET_SHORT, ICET_INT, ICET_FLOAT, or ICET_DOUBLE.

Name

icetBoundingVertices--setboundsofgeometry.

See Also

icetBoundingBox(3), icetDataReplicationGroup(3), icetDrawCallback(3), icetGLDrawCallback(3)

IceT Reference                                 September 20, 2010                        icetBoundingVertices(3)

Synopsis

       #include <IceT.h>

       void icetBoundingVertices(   IceTInt            size,
                                    IceTEnum           type,
                                    IceTSizeType       stride,
                                    IceTSizeType       count,
                                    const IceTVoid *   pointer  );

Warnings

       None.

See Also