Revision: 45941
http://brlcad.svn.sourceforge.net/brlcad/?rev=45941&view=rev
Author: bhinesley
Date: 2011-08-12 05:07:34 +0000 (Fri, 12 Aug 2011)
Log Message:
-----------
Tweak behavior of -k/-a/-r translations, per IRC conversation with Sean on June
30, 2011, around 05:45:00 to UTC. Seems to be fully in compliance.
Modified Paths:
--------------
brlcad/trunk/src/libged/edit.c
Modified: brlcad/trunk/src/libged/edit.c
===================================================================
--- brlcad/trunk/src/libged/edit.c 2011-08-12 04:53:23 UTC (rev 45940)
+++ brlcad/trunk/src/libged/edit.c 2011-08-12 05:07:34 UTC (rev 45941)
@@ -527,6 +527,8 @@
*
* EXAMPLES
*
+ * FIXME: These are outdated, and some are just plain wrong.
+ *
* # move all instances of sph.s to x=1, y=2, z=3
* translate -a 1 2 3 /sph.s
*
@@ -535,9 +537,6 @@
* translate -k sph.s -a 1 2 3 sph.s
* translate -k . -a 1 2 3 sph.s
*
- * # A very practical use of
- * translate -k . -a . -x sph2.s sph1.s
- *
* # move all instances of sph.s from a point 5 units above
* # sph.s's center to x=1, y=2, z=3, by using OFFSET_DIST of
* # "-z 5".
@@ -1229,7 +1228,9 @@
edit_cmd_expand_vectors(struct ged *gedp, union edit_cmd *const subcmd)
{
struct edit_arg *arg_head;
- vect_t src_v = VINIT_ZERO;
+ vect_t src_v = VINIT_ZERO; /* where ommited points draw from */
+ vect_t *kp_v = (vect_t *)NULL; /* 'from' point, aka keypoint */
+ vect_t *to_v = (vect_t *)NULL; /* 'to' point */
int i = 0;
/* draw source vector from target object */
@@ -1239,28 +1240,36 @@
while ((arg_head = *(subcmd->cmd->get_arg_head(subcmd, i++))) !=
subcmd->common.objects) {
+ if (arg_head->type & EDIT_FROM)
+ kp_v = arg_head->vector;
+ to_v = arg_head->vector;
+
if (arg_head->type & EDIT_REL_DIST) {
/* convert to absolute position */
arg_head->type &= ~EDIT_REL_DIST;
- if (arg_head->coords_used & EDIT_COORD_X)
- (*arg_head->vector)[0] += src_v[0];
- else
- (*arg_head->vector)[0] = src_v[0];
- if (arg_head->coords_used & EDIT_COORD_Y)
- (*arg_head->vector)[1] += src_v[1];
- else
- (*arg_head->vector)[1] = src_v[1];
- if (arg_head->coords_used & EDIT_COORD_Z)
- (*arg_head->vector)[2] += src_v[2];
- else
- (*arg_head->vector)[2] = src_v[2];
+ if (arg_head->coords_used & EDIT_COORD_X) {
+ (*to_v)[0] += (*kp_v)[0];
+ (*kp_v)[0] = src_v[0];
+ } else /* no movement */
+ (*to_v)[0] = (*kp_v)[0];
+ if (arg_head->coords_used & EDIT_COORD_Y) {
+ (*to_v)[1] += (*kp_v)[1];
+ (*kp_v)[1] = src_v[1];
+ } else
+ (*to_v)[1] = (*kp_v)[1];
+ if (arg_head->coords_used & EDIT_COORD_Z) {
+ (*to_v)[2] += (*kp_v)[2];
+ (*kp_v)[2] = src_v[2];
+ } else
+ (*to_v)[2] = (*kp_v)[2];
+ kp_v = (vect_t *)NULL;
} else {
if (!(arg_head->coords_used & EDIT_COORD_X))
- (*arg_head->vector)[0] = src_v[0];
+ (*to_v)[0] = src_v[0];
if (!(arg_head->coords_used & EDIT_COORD_Y))
- (*arg_head->vector)[1] = src_v[1];
+ (*to_v)[1] = src_v[1];
if (!(arg_head->coords_used & EDIT_COORD_Z))
- (*arg_head->vector)[2] = src_v[2];
+ (*to_v)[2] = src_v[2];
}
arg_head->coords_used |= EDIT_COORDS_ALL;
}
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