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Jonathan Westhues 498ffd07ea Add symmetric and at midpoint constraints. The symmetry constraint 
turned out straightforward, in great part because the planes are
workplanes (6 DOF, represented by a unit quaternion and a point),
and therefore make it easy to get a vector in the plane, as well as
a normal.

And on that subject, replace the previous hack for parallel vector
constraints with a better hack: pivot on the initial numerical
guess, to choose which components of the cross product to drive to
zero. Ugly, but I think that will be as robust as I can get.

[git-p4: depot-paths = "//depot/solvespace/": change = 1699]
 		2008-04-30 00:14:32 -08:00
obj This is my initial checkin for solvespace, a second attempt at 2008-03-25 02:02:13 -08:00
win32 Tear apart the text window, mostly to beautify things. The 2008-04-27 23:18:39 -08:00
Makefile Add code to assemble the piecewise linear segments in a group into 2008-04-24 23:04:09 -08:00
constraint.cpp Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
drawconstraint.cpp Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
dsc.h Add code to assemble the piecewise linear segments in a group into 2008-04-24 23:04:09 -08:00
entity.cpp Tear apart the text window, mostly to beautify things. The 2008-04-27 23:18:39 -08:00
expr.cpp A ~10x speedup in the solver. Simplify equations before evaluating 2008-04-29 20:52:34 -08:00
expr.h A ~10x speedup in the solver. Simplify equations before evaluating 2008-04-29 20:52:34 -08:00
file.cpp A ~10x speedup in the solver. Simplify equations before evaluating 2008-04-29 20:52:34 -08:00
font.table Add routines to draw a vector font (public domain Hershey Simplex 2008-04-11 03:13:47 -08:00
glhelper.cpp Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
graphicswin.cpp Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
polygon.cpp Add code to assemble the piecewise linear segments in a group into 2008-04-24 23:04:09 -08:00
polygon.h Add code to assemble the piecewise linear segments in a group into 2008-04-24 23:04:09 -08:00
sketch.cpp Tear apart the text window, mostly to beautify things. The 2008-04-27 23:18:39 -08:00
sketch.h Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
solvespace.cpp Add the first `derived' group, that generates entities based on 2008-04-27 01:03:01 -08:00
solvespace.h Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
system.cpp Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
textwin.cpp Add point on line constraints, in 2d and 3d. The 3d equations do 2008-04-28 01:40:02 -08:00
ui.h Add symmetric and at midpoint constraints. The symmetry constraint 2008-04-30 00:14:32 -08:00
util.cpp Add code to assemble the piecewise linear segments in a group into 2008-04-24 23:04:09 -08:00