Merge pull request #266 from jcortial-safran/set-triangles-fix

Avoid switching 2nd and 3rd triangle vertices
MmgTools · May 13, 2024 · 9e391f3 · 9e391f3
2 parents 92fd5bf + 1992d94
commit 9e391f3
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Showing 3 changed files with 6 additions and 6 deletions.
diff --git a/src/mmg2d/API_functions_2d.c b/src/mmg2d/API_functions_2d.c
@@ -1031,8 +1031,8 @@ int  MMG2D_Set_triangles(MMG5_pMesh mesh, MMG5_int *tria, MMG5_int *refs) {
     j = (i-1)*3;
     ptt = &mesh->tria[i];
     ptt->v[0] = tria[j]  ;
-    ptt->v[1] = tria[j+2];
-    ptt->v[2] = tria[j+1];
+    ptt->v[1] = tria[j+1];
+    ptt->v[2] = tria[j+2];
     if ( refs != NULL )
       ptt->ref  = refs[i-1];
 

diff --git a/src/mmg3d/API_functions_3d.c b/src/mmg3d/API_functions_3d.c
@@ -945,8 +945,8 @@ int  MMG3D_Set_triangles(MMG5_pMesh mesh, MMG5_int *tria, MMG5_int *refs) {
     j = (i-1)*3;
     ptt = &mesh->tria[i];
     ptt->v[0] = tria[j]  ;
-    ptt->v[1] = tria[j+2];
-    ptt->v[2] = tria[j+1];
+    ptt->v[1] = tria[j+1];
+    ptt->v[2] = tria[j+2];
     if ( refs != NULL )
       ptt->ref  = refs[i-1];
   }

diff --git a/src/mmgs/API_functions_s.c b/src/mmgs/API_functions_s.c
@@ -543,8 +543,8 @@ int  MMGS_Set_triangles(MMG5_pMesh mesh, MMG5_int *tria, MMG5_int *refs) {
       j = (i-1)*3;
       ptt = &mesh->tria[i];
       ptt->v[0] = tria[j]  ;
-      ptt->v[1] = tria[j+2];
-      ptt->v[2] = tria[j+1];
+      ptt->v[1] = tria[j+1];
+      ptt->v[2] = tria[j+2];
 
       mesh->point[ptt->v[0]].tag &= ~MG_NUL;
       mesh->point[ptt->v[1]].tag &= ~MG_NUL;