From: eap <eap@opencascade.com>
Date: Tue, 29 Sep 2009 06:57:23 +0000 (+0000)
Subject: 0020440: [CEA 349] P1P0 barycentric interpolators
X-Git-Tag: V5_1_main_FINAL~337
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=53d640383119b919f3cc6c3c8aad4363c5111dbe;p=tools%2Fmedcoupling.git

0020440: [CEA 349] P1P0 barycentric interpolators

+    CPPUNIT_TEST( test_UnitTetraIntersectionBary_12 );
---

diff --git a/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.cxx b/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.cxx
index c92b25e5e..39cf27175 100644
--- a/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.cxx
+++ b/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.cxx
@@ -34,11 +34,15 @@ namespace INTERP_TEST
 {
   void fill_UnitTetraIntersectionBary(UnitTetraIntersectionBary& bary, double nodes[][3])
   {
-    int faceConn[4][3] = { { 0, 2, 1 },
-                           { 0, 1, 3 },
-                           { 1, 2, 3 },
-                           { 3, 2, 0 } };
-    bary.init();
+    int faceConn[4][3] = { { 0, 1, 2 },// inverse order
+                           { 0, 3, 1 },
+                           { 1, 3, 2 },
+                           { 3, 0, 2 } };
+//     int faceConn[4][3] = { { 0, 2, 1 },
+//                            { 0, 1, 3 },
+//                            { 1, 2, 3 },
+//                            { 3, 2, 0 } };
+    bary.init(true);
     for ( int i = 0; i < 4; ++i ) {
       int* faceNodes = faceConn[ i ];
       TransformedTriangle tri(nodes[faceNodes[0]], nodes[faceNodes[1]], nodes[faceNodes[2]]);
@@ -244,6 +248,24 @@ namespace INTERP_TEST
     CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.230952, baryCenter[1], 1e-5);
     CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.260714, baryCenter[2], 1e-5);
   }
+  void UnitTetraIntersectionBaryTest::test_UnitTetraIntersectionBary_12()
+  {
+    // cutting tetra has one corner inside the UT and one its side passes through an UT edge
+    double nodes[4][3] = { { 0.25, 0.25, 0.25 }, // 0
+                           { 1.75,-0.25,-0.25 }, // OX
+                           { 0.5 , 0.25, 0.25 }, // OY
+                           { 0.5 , 0   , 0.5  } };//OZ
+    UnitTetraIntersectionBary bary;
+    fill_UnitTetraIntersectionBary(bary,nodes);
+    double baryCenter[3];
+    bool ok    = bary.getBary( baryCenter );
+    double vol = bary.getVolume();
+    CPPUNIT_ASSERT( ok );
+    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.005208 , vol, 1e-5);
+    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.562500, baryCenter[0], 1e-5);
+    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.125000, baryCenter[1], 1e-5);
+    CPPUNIT_ASSERT_DOUBLES_EQUAL( 0.250000, baryCenter[2], 1e-5);
+  }
 
   void UnitTetraIntersectionBaryTest::test_TetraAffineTransform_reverseApply()
   {
diff --git a/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.hxx b/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.hxx
index 26c1be3fd..db36256c9 100644
--- a/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.hxx
+++ b/src/INTERP_KERNELTest/UnitTetraIntersectionBaryTest.hxx
@@ -33,6 +33,7 @@ namespace INTERP_TEST
   class UnitTetraIntersectionBaryTest : public CppUnit::TestFixture
   {
     CPPUNIT_TEST_SUITE( UnitTetraIntersectionBaryTest );
+    CPPUNIT_TEST( test_UnitTetraIntersectionBary_12 );
     CPPUNIT_TEST( test_UnitTetraIntersectionBary_1 );
     CPPUNIT_TEST( test_UnitTetraIntersectionBary_2 );
     CPPUNIT_TEST( test_UnitTetraIntersectionBary_3 );
@@ -59,6 +60,7 @@ namespace INTERP_TEST
     void test_UnitTetraIntersectionBary_9();
     void test_UnitTetraIntersectionBary_10();
     void test_UnitTetraIntersectionBary_11();
+    void test_UnitTetraIntersectionBary_12();
     void test_TetraAffineTransform_reverseApply();
     void test_barycentric_coords();
   };