Revision: 52872
http://brlcad.svn.sourceforge.net/brlcad/?rev=52872&view=rev
Author: carlmoore
Date: 2012-10-05 19:56:26 +0000 (Fri, 05 Oct 2012)
Log Message:
-----------
fix spellings (including hit_point in a comment), remove duplicate 'the',
change ie to i.e.)
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/part/part.c
Modified: brlcad/trunk/src/librt/primitives/part/part.c
===================================================================
--- brlcad/trunk/src/librt/primitives/part/part.c 2012-10-05 19:50:28 UTC
(rev 52871)
+++ brlcad/trunk/src/librt/primitives/part/part.c 2012-10-05 19:56:26 UTC
(rev 52872)
@@ -37,7 +37,7 @@
* be transformed into a set of points on a unit cylinder (or cone)
* with the transformed base (V') located at the origin with a
* transformed radius of 1 (vrad'). The height of the cylinder (or
- * cone) along the +Z axis is +1 (ie, H' = (0, 0, 1)), with a
+ * cone) along the +Z axis is +1 (i.e., H' = (0, 0, 1)), with a
* transformed radius of hrad/vrad.
*
*
@@ -148,10 +148,10 @@
* NORMALS. Given the point W on the surface of the cylinder, what is
* the vector normal to the tangent plane at that point?
*
- * Map W onto the unit cylinder, ie: W' = S(R(W - V)).
+ * Map W onto the unit cylinder, i.e.: W' = S(R(W - V)).
*
* Plane on unit cylinder at W' has a normal vector N' of the same
- * value as W' in x and y, with z set to zero, ie, (Wx', Wy', 0)
+ * value as W' in x and y, with z set to zero, i.e., (Wx', Wy', 0)
*
* The plane transforms back to the tangent plane at W, and this new
* plane (on the original cylinder) has a normal vector of N, viz:
@@ -470,7 +470,7 @@
int check_v, check_h;
if (part->part_int.part_type == RT_PARTICLE_TYPE_SPHERE) {
- vect_t ov; /* ray orgin to center (V - P) */
+ vect_t ov; /* ray origin to center (V - P) */
fastf_t vrad_sq;
fastf_t magsq_ov; /* length squared of ov */
fastf_t b; /* second term of quadratic eqn */
@@ -522,7 +522,7 @@
}
check_v = check_h = 0;
- /* Find roots of the equation, using forumla for quadratic */
+ /* Find roots of the equation, using formula for quadratic */
/* Note that vrad' = 1 and hrad' = hrad/vrad */
if (part->part_int.part_type == RT_PARTICLE_TYPE_CYLINDER) {
/* Cylinder case, hrad == vrad, m = 0 */
@@ -607,7 +607,7 @@
*/
check_hemispheres:
if (check_v) {
- vect_t ov; /* ray orgin to center (V - P) */
+ vect_t ov; /* ray origin to center (V - P) */
fastf_t rad_sq;
fastf_t magsq_ov; /* length squared of ov */
fastf_t b;
@@ -654,7 +654,7 @@
do_check_h:
if (check_h) {
- vect_t ov; /* ray orgin to center (V - P) */
+ vect_t ov; /* ray origin to center (V - P) */
fastf_t rad_sq;
fastf_t magsq_ov; /* length squared of ov */
fastf_t b; /* second term of quadratic eqn */
@@ -804,7 +804,7 @@
register struct part_specific *part =
(struct part_specific *)stp->st_specific;
point_t hit_local; /* hit_point, with V as origin */
- point_t hit_unit; /* hit_poit in unit coords, +Z along H */
+ point_t hit_unit; /* hit_point in unit coords, +Z along H */
switch (hitp->hit_surfno) {
case RT_PARTICLE_SURF_VSPHERE:
@@ -1109,7 +1109,7 @@
int boff; /* base offset */
int toff; /* top offset */
int blim; /* base subscript limit */
- int tlim; /* top subscrpit limit */
+ int tlim; /* top subscript limit */
fastf_t dtol; /* Absolutized relative tolerance */
RT_CK_DB_INTERNAL(ip);
@@ -1190,7 +1190,7 @@
/* Find total number of strips of vertices that will be needed.
* nsegs for each hemisphere, plus one equator each.
* The two equators will be stitched together to make the cylinder.
- * Note that faces are listed in the the stripe ABOVE, ie, toward
+ * Note that faces are listed in the stripe ABOVE, i.e., toward
* the poles. Thus, strips[0] will have 4 faces.
*/
nstrips = 2 * nsegs + 2;
@@ -1201,7 +1201,7 @@
strips[0].nverts = 1;
strips[0].nverts_per_strip = 0;
strips[0].nfaces = 4;
- /* South pole (Lower hemispehre, V end) */
+ /* South pole (Lower hemisphere, V end) */
strips[nstrips-1].nverts = 1;
strips[nstrips-1].nverts_per_strip = 0;
strips[nstrips-1].nfaces = 4;
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