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| author | Skip Montanaro <[email protected]> | 2021-02-16 14:40:46 -0600 |
|---|---|---|
| committer | Skip Montanaro <[email protected]> | 2021-02-16 14:40:46 -0600 |
| commit | a19a216bc60160c162e616145ef091dd18ce4e61 (patch) | |
| tree | fa4bdff21f9b04a125c84a2bfab8a1c738359e15 /demo/sgi/gl_panel/nurbs/nurbsdata.py | |
| download | python-0.9.1-patched-QoL-a19a216bc60160c162e616145ef091dd18ce4e61.tar.xz python-0.9.1-patched-QoL-a19a216bc60160c162e616145ef091dd18ce4e61.zip | |
Python 0.9.1 as posted in alt.sources
Diffstat (limited to 'demo/sgi/gl_panel/nurbs/nurbsdata.py')
| -rw-r--r-- | demo/sgi/gl_panel/nurbs/nurbsdata.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/demo/sgi/gl_panel/nurbs/nurbsdata.py b/demo/sgi/gl_panel/nurbs/nurbsdata.py new file mode 100644 index 0000000..ed7e705 --- /dev/null +++ b/demo/sgi/gl_panel/nurbs/nurbsdata.py @@ -0,0 +1,82 @@ +# Data used by fancy nurbs demo. + +TRUE = 1 +FALSE = 0 + +RED = 0xff +YELLOW = 0xffff + +# +# nurb order +# +ORDER = 4 + +# +# identity matrix +# +idmat = [1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1] + +# +# s and t knots +# +surfknots = [-1, -1, -1, -1, 1, 1, 1, 1] + +# +# list of list of control points +# +def make_ctlpoints(): + c = [] + # + ci = [] + ci.append(-2.5, -3.7, 1.0) + ci.append(-1.5, -3.7, 3.0) + ci.append(1.5, -3.7, -2.5) + ci.append(2.5, -3.7, -0.75) + c.append(ci) + # + ci = [] + ci.append(-2.5, -2.0, 3.0) + ci.append(-1.5, -2.0, 4.0) + ci.append(1.5, -2.0, -3.0) + ci.append(2.5, -2.0, 0.0) + c.append(ci) + # + ci = [] + ci.append(-2.5, 2.0, 1.0) + ci.append(-1.5, 2.0, 0.0) + ci.append(1.5, 2.0, -1.0) + ci.append(2.5, 2.0, 2.0) + c.append(ci) + # + ci = [] + ci.append(-2.5, 2.7, 1.25) + ci.append(-1.5, 2.7, 0.1) + ci.append(1.5, 2.7, -0.6) + ci.append(2.5, 2.7, 0.2) + c.append(ci) + # + return c + +ctlpoints = make_ctlpoints () + +# +# trim knots +# +trimknots = [0., 0., 0., 1., 1., 2., 2., 3., 3., 4., 4., 4.] + +def make_trimpoints(): + c = [] + # + c.append(1.0, 0.0, 1.0) + c.append(1.0, 1.0, 1.0) + c.append(0.0, 2.0, 2.0) + c.append(-1.0, 1.0, 1.0) + c.append(-1.0, 0.0, 1.0) + c.append(-1.0, -1.0, 1.0) + c.append(0.0, -2.0, 2.0) + c.append(1.0, -1.0, 1.0) + c.append(1.0, 0.0, 1.0) + # + return c + +trimpoints = make_trimpoints() |
