# -*- coding: utf-8 -*-
-# Copyright (C) 2007-2019 CEA/DEN, EDF R&D
+# Copyright (C) 2007-2021 CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
if sys.platform == "win32":
from MEDCouplingCompat import *
else:
- from MEDCoupling import *
+ from medcoupling import *
import unittest
from math import pi,e,sqrt,cos,sin
from datetime import datetime
self.assertEqual(e2, res2Tool.getValues())
pass
+ def testIntersect2DMeshes11(self):
+ """ Dealing properly with respective polygon orientation in QuadraticPolygon::haveIAChanceToBeCompletedBy()
+ The two polygons below have same orientation, but one edge of pol1 is colinear to pol2 in opposite directions.
+ """
+ eps = 1.0e-8
+ back = MEDCouplingUMesh('lback', 2)
+ coo = DataArrayDouble([(-2.5,-2.5),(-2.5,2.5),(2.5,2.5),(2.5,-2.5),(0,0),(0,1.66667),(1.66667,1.66667),(1.66667,0)])
+ back.setCoords(coo)
+ c = DataArrayInt([5, 6, 7, 4, 5, 2, 3, 7, 6, 5, 3, 0, 1, 2, 6, 4, 7])
+ cI = DataArrayInt([0, 4, 9, 17])
+ back.setConnectivity(c, cI)
+
+ tool = MEDCouplingUMesh('ltool', 2)
+ coo = DataArrayDouble([(0,0),(0,2.5),(2.5,2.5),(2.5,0)])
+ tool.setCoords(coo)
+ c = DataArrayInt([5, 0, 1, 2, 3])
+ cI = DataArrayInt([0, 5])
+ tool.setConnectivity(c, cI)
+
+ result, res2Back, res2Tool = MEDCouplingUMesh.Intersect2DMeshes(back, tool, eps)
+ self.assertEqual(result.getNodalConnectivity().getValues(), [5, 7, 8, 6, 5, 7, 6, 10, 11, 5, 11, 3, 7, 5, 9, 10, 6, 8, 5, 8, 7, 3, 0, 1, 9])
+ self.assertEqual(result.getNodalConnectivityIndex().getValues(), [0, 4, 9, 13, 18, 25])
+ self.assertEqual(res2Back.getValues(), [0, 1, 1, 2, 2])
+ self.assertEqual(res2Tool.getValues(), [0, 0, -1, 0, -1])
+ pass
+
def testSwig2Intersect2DMeshesQuadra1(self):
import cmath
def createDiagCircle(lX, lY, R, cells=[0,1]):
self.assertEqual(res2Tool.getValues(), [0, -1, -1])
pass
+ def testIntersect2DMeshesTmp13(self):
+ """ Bug fix: when part of mesh2 is fully included in mesh1 and some points of mesh2 are touching edges of mesh1, reconstruction of
+ residual cells was not properly done.
+ """
+ eps = 1.0e-6
+ # First case: only two points of mesh2 touching edges of mesh1
+ coo1 = DataArrayDouble([(0,0) , (1,1), (1,0)])
+ mesh1 = MEDCouplingUMesh("mesh1", 2)
+ mesh1.setCoords(coo1)
+ c = DataArrayInt([NORM_TRI3, 0,1,2])
+ cI = DataArrayInt([0,4])
+ mesh1.setConnectivity(c, cI)
+
+ coo2 = DataArrayDouble([(0.5,0) , (0.5,0.5), (0.7,0.25)])
+ mesh2 = MEDCouplingUMesh("mesh1", 2)
+ mesh2.setCoords(coo2)
+ c = DataArrayInt([NORM_TRI3, 0,1,2])
+ cI = DataArrayInt([0,4])
+ mesh2.setConnectivity(c, cI)
+
+ meshinter, res2Back, res2Tool = MEDCouplingUMesh.Intersect2DMeshes(mesh1,mesh2,eps)
+ self.assertEqual(meshinter.getNodalConnectivity().getValues(), [5, 3, 4, 5, 5, 4, 1, 2, 3, 5, 5, 3, 0, 4])
+ self.assertEqual(meshinter.getNodalConnectivityIndex().getValues(), [0, 4, 10, 14])
+ self.assertEqual(res2Back.getValues(), [0, 0, 0])
+ self.assertEqual(res2Tool.getValues(), [0, -1, -1])
+
+ # Second case: all three points of mesh2 touching edges of mesh1
+ coo2[2, 0] = 1.0
+ mesh2.setConnectivity(c, cI)
+
+ meshinter, res2Back, res2Tool = MEDCouplingUMesh.Intersect2DMeshes(mesh1,mesh2,eps)
+ self.assertEqual(meshinter.getNodalConnectivity().getValues(), [5, 3, 4, 5, 5, 4, 1, 5, 5, 5, 2, 3, 5, 3, 0, 4])
+ self.assertEqual(meshinter.getNodalConnectivityIndex().getValues(), [0, 4, 8, 12, 16])
+ self.assertEqual(res2Back.getValues(), [0,0,0,0])
+ self.assertEqual(res2Tool.getValues(), [0,-1,-1,-1])
+ pass
+
def testSwig2Intersect2DMeshWith1DLine1(self):
"""A basic test with no colinearity between m1 and m2."""
i=MEDCouplingIMesh("mesh",2,[5,5],[0.,0.],[1.,1.])
self.assertEqual(m1.getValues(), [0, 0, 0])
self.assertEqual(m2.getValues(), [-1, -1, 0, 2, -1, -1, 0, 1, -1, -1])
+ def testSwig2Intersect2DMeshWith1DLine20(self):
+ """ A line intersecting a cell more than 3 times was triggering an internal error. """
+ mesh = MEDCouplingUMesh('merge', 2)
+ coo = DataArrayDouble([(0,0),(0,9),(3,9),(3,0),(0,1),(2,1),(0,2),(2,2),(3,3),(1,3),(3,4),(1,4),(0,5),(2,5),(0,6),(2,6),(3,7),(1,7),(3,8),(1,8)])
+ mesh.setCoords(coo)
+ c = DataArrayInt([5, 3, 0, 4, 5, 7, 6, 12, 13, 15, 14, 1, 2, 18, 19, 17, 16, 10, 11, 9, 8]) # offset 20
+ cI = DataArrayInt([0, 21])
+ mesh.setConnectivity(c, cI)
+
+ tool = MEDCouplingUMesh('tool', 1)
+ coo = DataArrayDouble([(1.5, 9.5), (1.5, 1.5)]) # line crossing 4 times
+ tool.setCoords(coo)
+ c = DataArrayInt([NORM_SEG2,0,1])
+ cI = DataArrayInt([0, 3])
+ tool.setConnectivity(c, cI)
+
+ eps=1.0e-4 # not the pb here
+ res2D, res1D, resToSelf, mapLeftRight = MEDCouplingUMesh.Intersect2DMeshWith1DLine(mesh, tool, eps)
+ self.assertEqual(res1D.getNodalConnectivity().getValues(),[1, 20, 25, 1, 25, 26, 1, 26, 27, 1, 27, 24, 1, 24, 23, 1, 23, 28, 1, 28, 29, 1, 29, 22, 1, 22, 21])
+ self.assertEqual(res1D.getNodalConnectivityIndex().getValues(),[0, 3, 6, 9, 12, 15, 18, 21, 24, 27])
+ self.assertEqual(res2D.getNodalConnectivity().getValues(),[5, 2, 18, 26, 25, 5, 13, 15, 24, 27, 16, 10, 28, 23, 5, 8, 3, 0, 4, 5, 7, 22, 29, 5, 6, 12, 23, 28, 11, 9, 29, 22, 5, 14, 1, 25, 26, 19, 17, 27, 24])
+ self.assertEqual(res2D.getNodalConnectivityIndex().getValues(),[0, 5, 14, 23, 32, 41])
+
+ self.assertEqual(resToSelf.getValues(), [0, 0, 0, 0, 0])
+ self.assertEqual(mapLeftRight.getValues(), [-1, -1, 0, 4, -1, -1, 1, 4, -1, -1, 1, 3, -1, -1, 2, 3, -1, -1])
+ pass
+
+ def testSwig2Intersect2DMeshWith1DLine21(self):
+ """ A line intersecting a cell very close to one of its node (collinearity not detected) """
+ eps=1.0e-5 # was working at 1.0e-8, but should also really work with 1.0e-5
+ mesh = MEDCouplingUMesh('mesh', 2)
+ coo = DataArrayDouble([(110.65324,180.56968),(112.01128,182.78580),(113.36932,185.00192),(118.27200,181.90669),(118.27200,178.79852),(118.27200,175.67380)])
+ mesh.setCoords(coo)
+ c = DataArrayInt([NORM_QUAD4, 0, 1, 4, 5, NORM_QUAD4, 1, 2, 3, 4])
+ cI = DataArrayInt([0, 5, 10])
+ mesh.setConnectivity(c, cI)
+
+ tool = MEDCouplingUMesh('tool', 1)
+ coo = DataArrayDouble([(0.0, 182.78400), (182.78400, 182.78400)])
+ tool.setCoords(coo)
+ c = DataArrayInt([NORM_SEG2,0,1])
+ cI = DataArrayInt([0, 3])
+ tool.setConnectivity(c, cI)
+
+ res2D, res1D, resToSelf, mapLeftRight = MEDCouplingUMesh.Intersect2DMeshWith1DLine(mesh, tool, eps)
+ self.assertEqual(res1D.getNodalConnectivity().getValues(), [1, 6, 1, 1, 1, 8, 1, 8, 9, 1, 9, 7])
+ self.assertEqual(res1D.getNodalConnectivityIndex().getValues(),[0, 3, 6, 9, 12])
+ self.assertEqual(res2D.getNodalConnectivity().getValues(), [5, 0, 1, 8, 4, 5, 5, 1, 2, 9, 8, 5, 3, 4, 8, 9])
+ self.assertEqual(res2D.getNodalConnectivityIndex().getValues(),[0, 6, 11, 16])
+
+ self.assertEqual(resToSelf.getValues(), [0, 1, 1])
+ self.assertEqual(mapLeftRight.getValues(), [-1, -1, 1, 0, 1, 2, -1, -1])
+
+
+
def testSwig2Conformize2D1(self):
eps = 1.0e-8
coo = [0.,-0.5,0.,0.,0.5,0.,0.5,-0.5,0.25,
