Avoid switching 2nd and 3rd triangle vertices

MmgTools · May 3, 2024 · 8fc6576 · 8fc6576
1 parent fe5ce20
commit 8fc6576
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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
@@ -1025,8 +1025,8 @@ 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
@@ -941,8 +941,8 @@ 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
@@ -539,8 +539,8 @@ 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;