From 161ed6a9a9da58f0af5e00fae2a82939fbd968c9 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Wed, 14 Aug 2019 21:08:45 +0200
Subject: [PATCH] models:: fixed errors on poles in CentralCyl

---
 hypgraph.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hypgraph.cpp b/hypgraph.cpp
index bf8f7442..ae31c967 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -679,7 +679,7 @@ EX void applymodel(hyperpoint H, hyperpoint& ret) {
       break;
     
     case mdCentralCyl: 
-      makeband(H, ret, [] (ld& x, ld& y) { y = tan_auto(y); });
+      makeband(H, ret, [] (ld& x, ld& y) { y = tan_auto(y); ld top = vid.yres * M_PI / current_display->radius; if(y>top) y=top; if(y<-top) y=-top; });
       break;
 
     case mdCollignon: