Revision: 64370
http://sourceforge.net/p/brlcad/code/64370
Author: starseeker
Date: 2015-03-11 22:18:16 +0000 (Wed, 11 Mar 2015)
Log Message:
-----------
Stub in the header for a libbn oriented bounding box. Got a *lot* of
preparatory work to do before we're ready for that step, but get the comments
in so I don't have to track down 'rectangular cuboid' and the ascii art again.
Modified Paths:
--------------
brlcad/trunk/include/bn/obr.h
Modified: brlcad/trunk/include/bn/obr.h
===================================================================
--- brlcad/trunk/include/bn/obr.h 2015-03-11 20:40:55 UTC (rev 64369)
+++ brlcad/trunk/include/bn/obr.h 2015-03-11 22:18:16 UTC (rev 64370)
@@ -96,6 +96,45 @@
const point_t *points_3d,
int pnt_cnt);
+/**
+ *@brief
+ * Find the minimum oriented bounding rectangular cuboid
+ * for a set of 3D points. Returns 0 on success.
+ *
+ * The points in the output array are arranged as seen
+ * in the figure below, with the integer number at each
+ * vertex position corresponding to the pnts array index
+ * n-1 (for example, the first point, labeled 1 below,
+ * would be pnts[0].)
+ *
+ * \verbatim
+ * 8
+ * * | *
+ * * | *
+ * 4 | 7
+ * | * | * |
+ * | * * |
+ * | | 3 |
+ * | | | |
+ * | 5 | |
+ * | * |* |
+ * | * | * |
+ * 1 | 6
+ * * | *
+ * * | *
+ * 2
+ * \endverbatim
+ *
+ *
+ * @param[out] pnts eight points of oriented bounding box
+ * @param points_3d array of coplanar 3D points
+ * @param pnt_cnt number of points in pnts array
+ */
+BN_EXPORT extern int bn_3d_obb(point_t **pnts,
+ const point_t *points_3d,
+ int pnt_cnt);
+
+
__END_DECLS
#endif /* BN_OBR_H */
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