fixed an issue in optimizeview for crystal334

graph.cpp

@@ -7291,6 +7291,7 @@ EX void make_actual_view() {
     radar_transform = T * U;
     }
   #endif
+  Viewbase = View;
   }
 
 EX transmatrix cview() {
@@ -7350,6 +7351,8 @@ EX void precise_mouseover() {
   mouseover = omouseover;
   }
 
+EX transmatrix Viewbase;
+
 EX void drawthemap() {
   check_cgi();
   cgi.require_shapes();

hypgraph.cpp

@@ -1459,6 +1459,20 @@ EX void optimizeview() {
   ld best = INF;
   
   transmatrix TB = Id;
+
+  if(WDIM == 3 && (cgflags & qIDEAL)) {
+    if(gmatrix.count(centerover.at)) {
+      ld last = hdist0(tC0(Viewbase));
+      transmatrix V = gmatrix[centerover.at];
+      ld next = hdist0(tC0(V));
+      if(next < last) {
+        View = View * inverse(Viewbase) * V;
+        fixmatrix(View);
+        viewctr.at = centerover.at->master;
+        viewctr.spin = 0;
+        }
+      }
+    }
   
   if(false) ;