fix rare union fail with deadlock

2021-04-29 12:21:01 -04:00 · 2021-04-29 12:21:01 -04:00 · 6e2ffc5e8c
commit 6e2ffc5e8c
parent a46b4ab384
1 changed files with 4 additions and 0 deletions
--- a/src/geo/polygon.js
+++ b/src/geo/polygon.js
@ -1781,6 +1781,10 @@
                    if (src[0].isEquivalent(dst[0]) && src[1].isEquivalent(dst[1])) {
                        return null;
                    }
+                    // only here is area sorting failed (same sizes)
+                    if (src[0].isEquivalent(dst[1]) && src[1].isEquivalent(dst[0])) {
+                        return null;
+                    }
                }
                return union;
            }