bos #29468: Advanced geometry features: distance Edge-Edge & Face-Face

[modules/geom.git] / test / test_proximity_face_face.py

diff --git a/test/test_proximity_face_face.py b/test/test_proximity_face_face.py
new file mode 100644 (file)
index 0000000..a143709
--- /dev/null
+++ b/test/test_proximity_face_face.py
@@ -0,0 +1,87 @@
+# Shape Proximity between faces
+
+import math
+import salome
+salome.salome_init_without_session()
+import GEOM
+from salome.geom import geomBuilder
+geompy = geomBuilder.New()
+
+O = geompy.MakeVertex(0, 0, 0)
+OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
+OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
+OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
+
+# Case 1: cylinder and sphere (different coarse and fine proximities)
+OCyl = geompy.MakeVertex(0, -5, 15)
+Cyl = geompy.MakeCylinder(OCyl, OY, 3, 10, "Cyl")
+AX1 = geompy.MakeTranslation(OX, 0, 0, 15, "AX1")
+geompy.Rotate(Cyl, AX1, -20.0*math.pi/180.0)
+Cyl_face = geompy.SubShapeAllSortedCentres(Cyl, geompy.ShapeType["FACE"], "Face")[1]
+Sph = geompy.MakeSphereR(10, "Sph")
+Box_1 = geompy.MakeBoxDXDYDZ(40, 40, 27.071067)
+Translation_1 = geompy.MakeTranslation(Box_1, -20, -20, -20)
+Cut_1 = geompy.MakeCutList(Sph, [Translation_1], True, "Cut_1")
+Sph_face = geompy.SubShapeAllSortedCentres(Cut_1, geompy.ShapeType["FACE"], "Face")[1]
+
+pcalc = geompy.ShapeProximity()
+#pcalc.setShapes(Cyl_face, Sph_face)
+pcalc.setShapes(Sph_face, Cyl_face)
+p_coarse = pcalc.coarseProximity()
+p_fine   = pcalc.preciseProximity()
+
+assert(math.fabs(p_coarse - 9.8649933) < 1.e-7)
+assert(math.fabs(p_fine - 7.6984631) < 1.e-7)
+
+geompy.MakeVertex(0, 2.63303, 17.2342, "p1")
+geompy.MakeVertex(0, 0, 10, "p2")
+
+print("With sampling 0: coarse = {} ; fine = {}".format(p_coarse, p_fine))
+
+pcalc.setSampling(Cyl_face, 100) # number of sample points for the first shape
+pcalc.setSampling(Sph_face, 100) # number of sample points for the second shape
+p_coarse = pcalc.coarseProximity()
+p_fine   = pcalc.preciseProximity()
+
+print("With sampling 100: coarse = {} ; fine = {}".format(p_coarse, p_fine))
+
+pcalc.setSampling(Cyl_face, 1000) # number of sample points for the first shape
+pcalc.setSampling(Sph_face, 1000) # number of sample points for the second shape
+p_coarse = pcalc.coarseProximity()
+p_fine   = pcalc.preciseProximity()
+
+print("With sampling 1000: coarse = {} ; fine = {}".format(p_coarse, p_fine))
+
+# Case 2: conical and planar faces
+Cone_1 = geompy.MakeConeR1R2H(100, 0, 300)
+Cone_1_face_3 = geompy.GetSubShape(Cone_1, [3])
+Cone_1_wire_4 = geompy.GetSubShape(Cone_1, [4])
+Face_1 = geompy.MakeFaceFromSurface(Cone_1_face_3, Cone_1_wire_4, "Face_1")
+Face_1_edge_5 = geompy.GetSubShape(Face_1, [5])
+Face_2 = geompy.MakeFaceObjHW(Face_1_edge_5, 200, 200)
+geompy.Rotate(Face_2, OY, 90*math.pi/180.0)
+Face_2_vertex_7 = geompy.GetSubShape(Face_2, [7])
+Translation_1 = geompy.MakeTranslationTwoPoints(Face_2, Face_2_vertex_7, O, "Translation_1")
+
+shape1 = Face_1
+shape2 = Translation_1
+
+# perform proximity calculation with the default parameters
+p1 = geompy.ShapeProximity()
+proximity1 = p1.proximity(shape1, shape2)
+
+# perform proximity calculation with custom parameters
+p2 = geompy.ShapeProximity()
+p2.setShapes(shape1, shape2)
+p2.setSampling(shape1, 100) # number of sample points for the first shape
+p2.setSampling(shape2, 40)  # number of sample points for the second shape
+proximity2_coarse = p2.coarseProximity()
+proximity2_fine = p2.preciseProximity()
+
+assert(math.fabs(proximity1 - proximity2_fine) < 1.e-7)
+assert(math.fabs(proximity2_coarse - 127.1141386) < 1.e-7)
+#assert(math.fabs(proximity2_fine - 94.8683298) < 1.e-7)
+assert(math.fabs(proximity2_fine - 127.1141386) < 1.e-7)
+
+geompy.MakeVertex(0, 0, 300, "p3")
+geompy.MakeVertex(-63.2456, 0, 189.737, "p4")