00:42.02 |
CIA-28 |
BRL-CAD: 03brlcad * r35781
10/brlcad/trunk/src/librt/binary_obj.c: per the problem encountered
by Alex Vlasse, make sure the database directory is initialized
when someone calls rt_mk_binunif() otherwise it will always result
in failure due to db_write() seeing a -1 eof offset. |
01:06.16 |
*** join/#brlcad BigAToo
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01:31.31 |
*** join/#brlcad BigAToo
(n=BigAToo@pool-96-230-124-159.sbndin.btas.verizon.net) |
01:54.22 |
*** join/#brlcad talcite
(n=Matthew@bas2-toronto21-1242350945.dsl.bell.ca) |
01:57.17 |
CIA-28 |
BRL-CAD: 03brlcad * r35782
10/brlcad/trunk/src/librt/CMakeLists.txt: add arb8_brep.ccp and
nmg_brep.cpp to the cmake build |
02:34.03 |
yukonbob |
is cmake a viable option to try building
brl-cad, or is it a WIP? |
02:34.24 |
yukonbob |
(or perhaps it's both?) |
02:59.23 |
*** join/#brlcad matthewmpp
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03:48.28 |
*** join/#brlcad cpc26
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03:49.24 |
*** join/#brlcad cpc26
(n=cpc26@72.170.156.242) |
06:34.48 |
*** join/#brlcad Ralith
(n=ralith@216.162.199.202) |
08:01.15 |
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08:20.29 |
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10:24.43 |
d-lo |
Mernin all! |
10:40.34 |
``Erik |
yargh |
11:22.02 |
*** join/#brlcad Yoshi47
(n=jan@firewall.walinga.com) |
11:46.27 |
*** join/#brlcad ert976
(n=ertan@88.240.173.5) |
11:48.34 |
brlcad |
hola |
11:48.40 |
brlcad |
yukonbob: both |
11:48.49 |
brlcad |
it won't build everything |
11:57.34 |
*** join/#brlcad jdoliner
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12:14.03 |
*** part/#brlcad ert976
(n=ertan@88.240.173.5) |
12:16.10 |
jdoliner |
anyone around? |
12:17.02 |
brlcad |
nope |
12:19.14 |
jdoliner |
:p |
12:19.24 |
jdoliner |
i have an annoying problem |
12:19.35 |
jdoliner |
well there's some aspect of the opennurbs api
I'm missing |
12:20.21 |
jdoliner |
basically one of the bezier curve constructor
functions is ON_BezierCurve(PointArray) |
12:20.43 |
jdoliner |
so I use that, but then whenever I try to do
something with the curve it segfaults immediately |
12:21.29 |
jdoliner |
as far as I can see there isn't even a
subroutine it's segfaulting in |
12:22.34 |
brlcad |
you mean when the application starts, or when
you first use the object or when the object is
constructed? |
12:22.46 |
jdoliner |
when I first use the object |
12:22.50 |
jdoliner |
by use I mean call a method |
12:22.55 |
brlcad |
so it constructs cleanly |
12:23.01 |
jdoliner |
yeah |
12:23.02 |
brlcad |
as far as you know.. |
12:23.11 |
jdoliner |
and inspecting it in the debugger |
12:23.24 |
jdoliner |
it seems pretty much the same as curves that
don't segfault |
12:23.39 |
jdoliner |
although there's a lot going on in curve
instances |
12:23.56 |
brlcad |
well if you're in the debugger, how/where is
it faulting? |
12:24.04 |
brlcad |
does the stack disappear on you? |
12:24.38 |
jdoliner |
yes... |
12:24.43 |
jdoliner |
I think it does |
12:24.46 |
jdoliner |
the line is: |
12:24.49 |
jdoliner |
curve1->GetTightBoundingBox(bbox1); |
12:24.52 |
jdoliner |
that's where gdb reports it |
12:25.09 |
jdoliner |
so maybe it just doesn't see the source for
the actually seg fault? |
12:25.53 |
jdoliner |
why would the stack disappear on me. I've
never had that happen to me |
12:27.01 |
jdoliner |
btw that's:
src/proc-db/surfaceintersect.cpp:390 |
12:27.04 |
``Erik |
smashed |
12:27.14 |
jdoliner |
you or the stack? |
12:27.48 |
``Erik |
the stack |
12:27.50 |
``Erik |
heh |
12:28.29 |
jdoliner |
:p |
12:28.46 |
``Erik |
if'n ya write up past heap and into the stack,
or if you do "scary" stuff using pointers into the stack, bad
things happen and gdb doesn't try to print the cooked stack
out |
12:29.01 |
jdoliner |
k |
12:29.07 |
jdoliner |
that makes sense to me |
12:29.42 |
jdoliner |
but something doesn't feel right about
that |
12:29.48 |
indianlarry |
it does expect the PointArray to be order
big |
12:30.11 |
brlcad |
looking at the On_BezierCurve class, it looks
like the m__GetBezierCurveTightBoundingBox is something you have to
implement |
12:30.14 |
jdoliner |
indianlarry: explain order big |
12:30.23 |
brlcad |
which is what GetTightBoundingBox()
uses |
12:30.28 |
jdoliner |
oh |
12:30.37 |
jdoliner |
what line is the empty function on? |
12:30.51 |
brlcad |
it should just be returning false if it's not
implemented, but maybe you're relying on it being something
non-false |
12:31.35 |
brlcad |
look at
On_BezierCurve::GetTightBoundingBox() |
12:32.14 |
brlcad |
you'll see it just calls
m__GetBezierCurveTightBoundingBox() .. which is never set anywhere,
probably something removed from the lib for openNURBS |
12:32.51 |
jdoliner |
k I see that |
12:32.56 |
brlcad |
those are public functions though, meant to be
easily stubbed in |
12:33.00 |
brlcad |
there are like 5 of them |
12:33.20 |
brlcad |
<PROTECTED> |
12:33.24 |
brlcad |
<PROTECTED> |
12:33.27 |
brlcad |
<PROTECTED> |
12:33.30 |
brlcad |
<PROTECTED> |
12:33.33 |
brlcad |
4 to be more precise |
12:34.11 |
jdoliner |
hmm, okay |
12:34.37 |
jdoliner |
it still kinda bugs me that that's causing a
segfault |
12:35.01 |
brlcad |
yeah, from the look of the code, that's not
exactly what's causing a segfault, at least I don't see a
problem |
12:35.14 |
brlcad |
it would be some other assumption |
12:35.34 |
brlcad |
unless static
ON__m__GetLocalClosestPointOnBezierCurve
m__GetLocalClosestPointOnBezierCurve; static
ON__m__GetLocalBezierCurveSurfaceIntersection
m__GetLocalBezierCurveSurfaceIntersection; static
ON__m__GetLocalBezierCurveCurveIntersection
m__GetLocalBezierCurveCurveIntersection; static
ON__m__GetBezierCurveTightBoundingBox
m__GetBezierCurveTightBoundingBox; |
12:35.39 |
brlcad |
oops |
12:35.54 |
brlcad |
unless m__GetBezierCurveTightBoundingBox() was
never initialized and was just some random memory address |
12:36.23 |
brlcad |
but I see it initialized in
opennurbs_basic.cpp |
12:36.38 |
brlcad |
(to 0) |
12:37.33 |
brlcad |
ah, there's the 5th,
ON_BezierSurface::m__GetClosestPointOnBezierSurface() |
12:37.44 |
brlcad |
the others are ON_BezierCurve
callbacks |
12:38.17 |
jdoliner |
yeah |
12:38.36 |
jdoliner |
well initializing it to 0 wouldn't explain a
segfault would it? |
12:38.46 |
brlcad |
no, that should prevent it |
12:38.58 |
brlcad |
not initializing it to zero would explain
it |
12:39.07 |
jdoliner |
yeah |
12:39.28 |
brlcad |
step through one line at a time, should be
clear when things go wonky |
12:39.49 |
brlcad |
break on GetTightBoundingBox and step into
it |
12:40.04 |
brlcad |
suspect it's a problem either right before or
shortly after |
12:41.33 |
jdoliner |
maybe I'm doing it wrong but it's not letting
me step in |
12:41.48 |
brlcad |
how's that? |
12:41.51 |
jdoliner |
i give it step command and it segfaults
immediately |
12:42.02 |
jdoliner |
on the GetTight... call |
12:42.07 |
brlcad |
"i"? |
12:42.23 |
brlcad |
or "n"? |
12:43.15 |
jdoliner |
umm, I'm confused |
12:43.17 |
brlcad |
"p BezierCurve::GetTightBoundingBox" should be
a valid address |
12:43.38 |
brlcad |
p yourobject->GetTightBoundingBox" should
also be valid |
12:44.41 |
jdoliner |
yeah they both are |
12:45.14 |
*** join/#brlcad BigAToo
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12:47.20 |
brlcad |
"i" is the you compiled opennurbs with
optimization turned off? |
12:47.30 |
brlcad |
s/"i" is the// |
12:48.09 |
brlcad |
what happens if you put a break on
BezierCurve::GetTightBoundingBox |
12:49.36 |
jdoliner |
it still hits that segfault :/ |
12:50.10 |
brlcad |
implies that the address isn't right |
12:50.23 |
brlcad |
which means you got memory corrupted somewhere
before you get there |
12:51.26 |
brlcad |
you can put a printf in the routine and break
on it to make sure, but you probably have some null deref going on
somewhere |
12:52.16 |
jdoliner |
hmm, actually calling any method of the
curve |
12:52.21 |
jdoliner |
gets me a segfault |
12:52.28 |
jdoliner |
even one's that are implemented |
13:09.48 |
jdoliner |
well here's something interesting: |
13:10.03 |
brlcad |
sounds like it's not constructed |
13:10.27 |
jdoliner |
if I do everything the same but instead of
declaring it as an ON_Curve I call it an ON_BezierCurve, then
there's no segfaults |
13:11.25 |
brlcad |
er, que? how were you declaring it as an
ON_Curve and using it as an ON_BezierCurve? |
13:11.35 |
brlcad |
you would have needed a dynamic cast |
13:13.43 |
jdoliner |
eureka |
13:13.49 |
jdoliner |
well atleast I think so |
13:13.59 |
jdoliner |
yes that's the question I needed to
hear |
13:14.44 |
jdoliner |
I'm declaring it fine as a BezierCurve but
things are getting screwy because I'm trying to then abstract it up
to just a Curve |
13:14.58 |
jdoliner |
and I'm doing that in a wrong way |
13:15.05 |
jdoliner |
let's see if this theory holds any
water |
13:27.56 |
brlcad |
you can cast up and down just fine, but you
should be explicit about it |
13:28.36 |
brlcad |
still doesn't explain the crash, but I'm
guessing still an invalid dereference |
13:29.02 |
jdoliner |
well so it turns out BezierCurves aren't
actually an extension of ON_Curve |
13:29.16 |
jdoliner |
I just kinda missed that until now |
13:29.25 |
jdoliner |
since everything else with Curve in the name
is |
13:29.40 |
brlcad |
ahhh |
13:29.45 |
jdoliner |
there's our problem |
13:30.22 |
jdoliner |
and a long time ago when I got the compile
error on that assignment, I just coerced it |
13:30.26 |
jdoliner |
which was silly of me |
13:30.54 |
jdoliner |
but now that we know this it turns out
nurbscurves are extensions of ON_Curves |
13:32.14 |
brlcad |
ahhh, hehe, yeah *that*'ll do it |
13:32.37 |
brlcad |
hence a pointer with a value, but not a valid
pointer to a class function |
13:32.44 |
jdoliner |
yup |
13:34.01 |
jdoliner |
ah but fortunately, this won't be too hard to
fix at all |
13:35.20 |
Yoshi47 |
i think i know the aswer to this, but is there
a way to view the geomtery of just the part you are making and not
the cutting shapes and other stuff like the render view put in line
view |
13:55.52 |
brlcad |
Yoshi47: running 'rt' without any options will
give you a quick rendering |
13:56.14 |
brlcad |
(in a window) |
13:57.35 |
Yoshi47 |
im talking more about in mged when im editing
and creating parts to see how they look without doing a render,
kinda like what other CAD programs do, they show you the outline of
the part. |
13:58.42 |
Yoshi47 |
its still very hard for me to use brlcad over
varicad for drawing up parts, but i'll try and stick with
it. |
13:59.55 |
Yoshi47 |
also takes alot of brain power to type the
commands out and learn them, i guess archer will fix some of this
with a more interactive gui when creating shapes |
14:01.02 |
brlcad |
Yoshi47: I know what you mean, and the current
way to get that "shaded view" is via rt |
14:01.11 |
brlcad |
it gets at the heart of how geometry is
represented |
14:01.14 |
Yoshi47 |
ha |
14:01.24 |
brlcad |
and very much related to the BREP/NURBS
effort |
14:01.40 |
Yoshi47 |
so i would just have another window rt and
then i have to update it manauly everytime i chagne something
right |
14:01.46 |
brlcad |
it can't show you edges because there are no
edges, at least no explicit ones |
14:01.53 |
Yoshi47 |
yep i get it |
14:02.12 |
brlcad |
archer is indeed a lot more
interactive |
14:02.17 |
Yoshi47 |
be nice to have rt render reatime on a second
screen |
14:02.29 |
Yoshi47 |
*realtime |
14:02.32 |
brlcad |
but there will always be a strong command-line
component for numerical precision purposes |
14:02.52 |
brlcad |
yeah, there's actually a new display interface
that does almost exactly that in the works |
14:03.07 |
Yoshi47 |
oh i get that part and i like that part over
other cad programs its just i have to relate back to the intro
Appendix for the points |
14:03.08 |
louipc |
I'd like to improve the cli first
heh |
14:03.13 |
brlcad |
runs wonderfully actually .. and is something
you can try but you'll have to compile from source |
14:03.26 |
Yoshi47 |
whats it called? |
14:03.29 |
louipc |
make it more intuitive, discoverable |
14:03.39 |
*** join/#brlcad Axman6
(n=Axman6@pdpc/supporter/student/Axman6) |
14:04.04 |
brlcad |
we have a display manager library (libdm) ..
right now you're using either our "xgl" (i.e., glx) |
14:04.32 |
Yoshi47 |
ah, i guess there is no docs on it or how to
setup it up |
14:04.33 |
brlcad |
er, "ogl" (i.e., glx) display manager for X11
or our "X" display manager |
14:04.41 |
brlcad |
it's not a setup issue |
14:04.47 |
brlcad |
it's not an end-user feature yet |
14:05.16 |
Yoshi47 |
umm |
14:05.16 |
brlcad |
it's a new display manager called "rtgl" that
renders objects via raytracing and then feeds point clouds to
opengl |
14:05.36 |
brlcad |
very impressive, actually -- working on
merging that into mged/archer as a display mode |
14:05.37 |
Yoshi47 |
and it does that realtime |
14:05.41 |
brlcad |
yep |
14:05.45 |
Yoshi47 |
cool |
14:05.53 |
Yoshi47 |
now i want to use it! |
14:05.55 |
brlcad |
almost instantly gives you the perception of a
solid view |
14:06.06 |
Yoshi47 |
ive got goose bumps |
14:06.08 |
brlcad |
and can be rotated around
interactive |
14:06.09 |
louipc |
haha yeah how do we enable it |
14:06.14 |
Yoshi47 |
lol |
14:06.15 |
brlcad |
--enable-rtgl |
14:06.41 |
brlcad |
the issue is right now it's all or nothing,
you replace the x11 wireframe with that display manager |
14:06.55 |
Yoshi47 |
that is a problem |
14:07.03 |
brlcad |
and it's not well suited to some of the dm
tasks yet, like hilighting objects or interactive editing |
14:07.23 |
brlcad |
which is why it's not turned on, that's a
really new feature |
14:07.32 |
brlcad |
worked on by a summer student just this
summer |
14:07.54 |
brlcad |
i'll see if I can put up one of his videos
later today |
14:08.06 |
louipc |
sweet |
14:08.30 |
brlcad |
runs off
late |
14:08.47 |
Yoshi47 |
can you start up 2 mged and then make both
look at the same db |
14:09.04 |
Yoshi47 |
i wonder what hes late for |
15:04.54 |
*** join/#brlcad erik____
(i=erik@c-69-140-109-104.hsd1.md.comcast.net) |
15:07.29 |
brlcad |
Yoshi47: you can actually start up just one
mged and get multiple display maangers, just type "attach X" in
mged and see |
15:09.37 |
Yoshi47 |
cool |
15:20.19 |
*** join/#brlcad Elrohir
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15:21.10 |
``Erik_ |
ยด/clear |
15:21.14 |
``Erik_ |
heh |
15:31.48 |
CIA-28 |
BRL-CAD: 03brlcad * r35783
10/brlcad/trunk/configure.ac: ACLOCAL_AMFLAGS belongs in
Makefile.am, which we already had there. having it here was invalid
shell syntax (make ACLOCAL_AMFLAGS look like a command). keep the
AC_CONFIG_AUX_DIR() though. |
15:38.09 |
``Erik |
heh, my bad, guess I saw a bad
example |
15:38.27 |
``Erik |
(thought we had it, couldn't find it in the
.ac *shrug* ah well) |
15:41.17 |
CIA-28 |
BRL-CAD: 03starseeker * r35784
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: grr. Still
trying to get the nmg->brep stuff to line up. |
15:49.42 |
*** join/#brlcad BigAToo
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16:44.54 |
*** join/#brlcad talcite
(n=Matthew@206-223-179-178.beanfield.net) |
16:48.32 |
PrezKennedy |
hey brlcad, ill be working at a big geometric
building soon |
17:13.25 |
*** join/#brlcad talcite
(n=Matthew@206-223-179-178.beanfield.net) |
17:41.45 |
brlcad |
PrezKennedy: what does that mean? |
17:42.23 |
Yoshi47 |
im lost too |
17:42.33 |
PrezKennedy |
pentagon |
17:42.38 |
brlcad |
ah, heh |
17:43.15 |
brlcad |
I hear you're going to turn it into a
hexagon |
17:46.03 |
CIA-28 |
BRL-CAD: 03brlcad * r35785
10/brlcad/trunk/include/conf/ (MINOR PATCH): next release makes
more sense as 7.16 after all. bump revision to 7.15.0 and begin
release testing. |
17:47.42 |
Yoshi47 |
PrezKennedy, what you goin to be doing there
or is that secret? |
17:48.03 |
brlcad |
selling hot dogs from the back of his
trunk |
17:48.05 |
PrezKennedy |
...programming |
17:48.16 |
PrezKennedy |
hmmm i like the hot dog idea |
17:48.23 |
PrezKennedy |
i can sell water at the halfway point from the
parking lot |
17:48.26 |
PrezKennedy |
$5 a bottle |
17:48.30 |
louipc |
hahhah |
17:59.11 |
``Erik |
heh, conan the librarian |
18:17.26 |
*** join/#brlcad surje
(n=surje@202.3.77.11) |
18:19.34 |
Yoshi47 |
fun |
18:34.23 |
*** join/#brlcad talcite
(n=Matthew@206-223-179-178.beanfield.net) |
19:13.27 |
CIA-28 |
BRL-CAD: 03brlcad * r35786
10/brlcad/trunk/src/conv/iges/n_iges.cpp: initialize against the
c-string so it's copied. fixes a failure to parse/find the start
header. |
19:23.54 |
CIA-28 |
BRL-CAD: 03brlcad * r35787
10/brlcad/trunk/src/conv/iges/ (brlcad.hpp brlcad_brep.cpp): add
standard header/footers. |
19:26.24 |
CIA-28 |
BRL-CAD: 03brlcad * r35788
10/brlcad/trunk/src/conv/iges/nmain.cpp: add standard
header/footer. |
19:27.36 |
CIA-28 |
BRL-CAD: 03brlcad * r35789
10/brlcad/trunk/src/conv/iges/ (5 files): rename brlcad.hpp to
brlcad_brep.hpp to be consistent with cpp file and slightly less
ambiguous. |
19:28.21 |
CIA-28 |
BRL-CAD: 03brlcad * r35790
10/brlcad/trunk/src/conv/iges/ (brlcad_brep.cpp brlcad_brep.hpp):
ws indent cleanup |
19:38.21 |
CIA-28 |
BRL-CAD: 03brlcad * r35791
10/brlcad/trunk/src/conv/iges/brlcad_brep.cpp: prevent crashes when
there is no brep to write. |
19:47.17 |
CIA-28 |
BRL-CAD: 03brlcad * r35792
10/brlcad/trunk/src/conv/iges/ (Makefile.am n_iges.hpp n_main.cpp
nmain.cpp): rename nmain.cpp to n_main.cpp to be consistent with
the other 'new' iges convert files in here |
19:50.40 |
CIA-28 |
BRL-CAD: 03bob1961 * r35793
10/brlcad/trunk/src/libtclcad/ (Makefile.am ged_obj.c): Added a png
command to suck the images from openGL and create a png file. The
older png has been renamed to pngwf (i.e. it creates a wireframe
image only). Also got rid of most warnings about unused
variables. |
19:53.10 |
CIA-28 |
BRL-CAD: 03brlcad * r35794
10/brlcad/trunk/src/conv/iges/ (n_iges.cpp n_iges.hpp): ws style
indent consistency cleanup |
19:54.49 |
CIA-28 |
BRL-CAD: 03starseeker * r35795
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: Try
reworking some bizarre referencing. |
20:08.56 |
CIA-28 |
BRL-CAD: 03starseeker * r35796
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: Hmm, u and v
were reversed - swap, and now (at least on OSX) a valid nmg (arb8)
is generated and can be raytraced. |
20:37.11 |
CIA-28 |
BRL-CAD: 03starseeker * r35797
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: No time to
figure out the Linux build problems this is causing right now -
comment out guts of function for release, will uncomment again and
fix after tagging. |
20:44.01 |
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20:49.56 |
CIA-28 |
BRL-CAD: 03brlcad * r35798
10/brlcad/trunk/src/conv/iges/ (BrepHandler.cpp brlcad_brep.cpp
n_iges.cpp): fix a few crashes trying to read in
RationalBSplineSurface entities, undo some comment
braimage |
21:06.44 |
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21:13.17 |
CIA-28 |
BRL-CAD: 03starseeker * r35799
10/brlcad/trunk/src/proc-db/csgbrep.cpp: Start roughing out the
test csg->brep routines for the other arbs. |
21:20.27 |
CIA-28 |
BRL-CAD: 03brlcad * r35800
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: quell the
warnings and ambiguous conversion errors. the intent is to call it
up as an index, so do that. re-enable for compilation. |
21:23.15 |
brlcad |
leaves it as an exercise to
the reader to determine whether that needs to be a long
int |
21:23.28 |
starseeker |
brlcad: thanks :-) |
21:25.01 |
CIA-28 |
BRL-CAD: 03starseeker * r35801
10/brlcad/trunk/src/librt/primitives/nmg/nmg_brep.cpp: Call
SetTrimIsoFlags. ARB4 test case now succeeds. |
21:29.17 |
brlcad |
if you read through the error it gave, and
ignore the pointless bitching, you see that it's ambiguous []
operator, one is a class member that takes an int, the other is a
built-in that takes a long |
21:29.39 |
brlcad |
I think the bitching is the gcc devs saying
"we're required to halt on this, even though it's stupid" |
21:30.37 |
brlcad |
related to the template instantiation, it
instantiated a long somewhere, which probably implies the int-sized
one defined by opennurbs is insufficiently indexed |
21:31.24 |
brlcad |
the fix is trivial, just feed it the int
they're expecting |
21:33.46 |
CIA-28 |
BRL-CAD: 03brlcad * r35802
10/brlcad/trunk/TODO: refactor tclcad commands (e.g., png) to
libged |
21:36.02 |
CIA-28 |
BRL-CAD: 03brlcad * r35803
10/brlcad/trunk/src/conv/iges/BrepHandler.cpp: add missing
header/footer and clean up style/indent. |
21:37.25 |
CIA-28 |
BRL-CAD: 03bob1961 * r35804
10/brlcad/trunk/src/libged/human.c: Move variable declarations to
the tops of their respective code blocks (i.e. make it compile as a
C file). |
22:10.03 |
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