From 9146d4dfc26adebf77e50e6c390384c52759f9ce Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Tue, 28 May 2024 16:16:07 +0200
Subject: Sendin map signal to frame observers.

---
 src/argaze/ArFeatures.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/argaze/ArFeatures.py b/src/argaze/ArFeatures.py
index f838db0..79af23c 100644
--- a/src/argaze/ArFeatures.py
+++ b/src/argaze/ArFeatures.py
@@ -1446,9 +1446,10 @@ class ArCamera(ArFrame):
 						width, height = frame.size
 						destination = numpy.float32([[0, 0], [width, 0], [width, height], [0, height]])
 						mapping = cv2.getPerspectiveTransform(aoi_2d.astype(numpy.float32), destination)
-						frame.background = DataFeatures.TimestampedImage(
-							cv2.warpPerspective(self.background, mapping, (width, height)),
-							timestamp=self.background.timestamp)
+						frame.background = DataFeatures.TimestampedImage(cv2.warpPerspective(self.background, mapping, (width, height)), timestamp=self.background.timestamp)
+
+						# Notify frame 'on_map' signal observers
+						frame.send_signal('map', timestamp=self.background.timestamp)
 
 					# Ignore missing frame projection
 					except KeyError:
-- 
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