From dac178cbc4ca6e0926c4f3c9be693384fcb0cb0f Mon Sep 17 00:00:00 2001
From: JasonChmn <jason.chemin@hotmail.fr>
Date: Mon, 20 May 2019 15:47:20 +0200
Subject: [PATCH] Add binding python for conversion, test ok
---
python/curves_python.cpp | 5 +++--
python/test/test.py | 14 +++++++++++++-
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/python/curves_python.cpp b/python/curves_python.cpp
index f1e216d..71866ac 100644
--- a/python/curves_python.cpp
+++ b/python/curves_python.cpp
@@ -369,9 +369,10 @@ BOOST_PYTHON_MODULE(curves)
;
/** END bernstein polynomial**/
- /** BEGIN Bezier to polynomial conversion**/
+ /** BEGIN curves conversion**/
def("polynom_from_bezier", polynom_from_bezier<bezier3_t,polynomial_t>);
- /** END Bezier to polynomial conversion**/
+ def("bezier_from_hermite", bezier_from_hermite<cubic_hermite_spline_t,bezier3_t>);
+ /** END curves conversion**/
}
diff --git a/python/test/test.py b/python/test/test.py
index d44c4a6..fffafd4 100644
--- a/python/test/test.py
+++ b/python/test/test.py
@@ -9,7 +9,7 @@ from numpy.linalg import norm
import unittest
-from curves import bezier3, bezier6, curve_constraints, exact_cubic, cubic_hermite_spline, polynom_from_bezier, polynomial
+from curves import bezier3, bezier6, curve_constraints, exact_cubic, cubic_hermite_spline, polynom_from_bezier, bezier_from_hermite, polynomial
class TestCurves(unittest.TestCase):
@@ -135,6 +135,18 @@ class TestCurves(unittest.TestCase):
self.assertTrue (norm(a(0.3) - a_pol(0.3)) < __EPS)
return
+ def test_bezier_from_cubic_hermite(self):
+ # converting cubic hermite to cubic bezier
+ __EPS = 1e-6
+ points = matrix([[1., 2., 3.], [4., 5., 6.]]).transpose()
+ tangents = matrix([[1., 2., 3.], [4., 5., 6.]]).transpose()
+ time_points = matrix([0., 1.]).transpose()
+ a_hermite = cubic_hermite_spline(points, tangents, time_points)
+
+ a_bezier = bezier_from_hermite(a_hermite)
+ self.assertTrue (norm(a_hermite(0.3) - a_bezier(0.3)) < __EPS)
+ return
+
def test_cubic_hermite_spline(self):
points = matrix([[1., 2., 3.], [4., 5., 6.]]).transpose()
tangents = matrix([[1., 2., 3.], [4., 5., 6.]]).transpose()
--
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