From 6fcccaeff86686fcadaa6f3e1cdef37d09846db2 Mon Sep 17 00:00:00 2001
From: Omar Rizwan <omar@omar.website>
Date: Wed, 1 May 2024 21:09:47 -0400
Subject: apriltags: Document corner order.

---
 virtual-programs/apriltags.folk | 1 +
 1 file changed, 1 insertion(+)

(limited to 'virtual-programs')

diff --git a/virtual-programs/apriltags.folk b/virtual-programs/apriltags.folk
index 5c354244..548e959e 100644
--- a/virtual-programs/apriltags.folk
+++ b/virtual-programs/apriltags.folk
@@ -123,6 +123,7 @@ When the collected matches for [list /someone/ detects tags /tags/ at /timestamp
 
     dict for {id tag} $tagsSeen {
         Claim tag $id has center [dict get $tag center] size [dict get $tag size]
+        # Corners are in order {bottomleft bottomright topright topleft}.
         Claim tag $id has corners [dict get $tag corners]
     }
     set ::aprilTime [lmap m $matches {dict get $m aprilTime}]
-- 
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