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()