zlinghui
diff --git a/‎anchors.cpp
+7-3 b/‎anchors.cpp
+7-3
diff --git a/‎data/cube_open.off
-20 b/‎data/cube_open.off
-20
diff --git a/‎data/cube_tri.off
-22 b/‎data/cube_tri.off
-22
@@ -167,9 +167,13 @@ vector<vector<int>> anchor_points(HalfedgeDS he, MatrixXi R, MatrixXd V, MatrixX
         if (vertex_proxies[i].size()>2) {
             for(size_t m = 0; m < vertex_proxies[i].size(); m++) {
                 r = vertex_proxies[i][m];
-                if (seen(r)==0) {
-                    seen(r)=1;
-                    polys_anchors[r] = find_anchors_on_region(he,i,r,R,anchors);
+                // if (seen(r)==0) {
+                //     seen(r)=1;
+                //     polys_anchors[r] = find_anchors_on_region(he,i,r,R,anchors);
+                // }
+                if (!vector_contains(polys_anchors[r],i)) {
+                    vector<int> new_anchors = find_anchors_on_region(he,i,r,R,anchors);
+                    polys_anchors[r].insert( polys_anchors[r].end(), new_anchors.begin(), new_anchors.end() );
                 }
             }
         }
Original file line number	Diff line number	Diff line change
`@@ -167,9 +167,13 @@ vector<vector<int>> anchor_points(HalfedgeDS he, MatrixXi R, MatrixXd V, MatrixX`
`167`	`167`	`if (vertex_proxies[i].size()>2) {`
`168`	`168`	`for(size_t m = 0; m < vertex_proxies[i].size(); m++) {`
`169`	`169`	`r = vertex_proxies[i][m];`
`170`		`- if (seen(r)==0) {`
`171`		`- seen(r)=1;`
`172`		`- polys_anchors[r] = find_anchors_on_region(he,i,r,R,anchors);`
	`170`	`+ // if (seen(r)==0) {`
	`171`	`+ // seen(r)=1;`
	`172`	`+ // polys_anchors[r] = find_anchors_on_region(he,i,r,R,anchors);`
	`173`	`+ // }`
	`174`	`+ if (!vector_contains(polys_anchors[r],i)) {`
	`175`	`+ vector<int> new_anchors = find_anchors_on_region(he,i,r,R,anchors);`
	`176`	`+ polys_anchors[r].insert( polys_anchors[r].end(), new_anchors.begin(), new_anchors.end() );`
`173`	`177`	`}`
`174`	`178`	`}`
`175`	`179`	`}`