From 8252697b266ffd2e6552d6a8bc70e659f58e014b Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Thu, 25 Apr 2024 22:11:44 +0200
Subject: Testing polygon validity before to proceed at circle intersection.

---
 src/argaze/AreaOfInterest/AOIFeatures.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src')

diff --git a/src/argaze/AreaOfInterest/AOIFeatures.py b/src/argaze/AreaOfInterest/AOIFeatures.py
index 065fd64..c2714ca 100644
--- a/src/argaze/AreaOfInterest/AOIFeatures.py
+++ b/src/argaze/AreaOfInterest/AOIFeatures.py
@@ -17,6 +17,7 @@ __credits__ = []
 __copyright__ = "Copyright 2023, Ecole Nationale de l'Aviation Civile (ENAC)"
 __license__ = "GPLv3"
 
+import logging
 import json
 import math
 from typing import Self
@@ -232,6 +233,15 @@ class AreaOfInterest(numpy.ndarray):
 		assert (self.dimension == 2)
 
 		self_polygon = Polygon(self)
+
+		if not self_polygon.is_valid:
+
+			logging.warning('AreaOfInterest.circle_intersection: AOI polygon is not valid.')
+
+			empty_array = numpy.array([list([])]).astype(numpy.float32).view(AreaOfInterest)
+
+			return empty_array, 0., 0.
+
 		args_circle = Point(center).buffer(radius)
 
 		if self_polygon.intersects(args_circle):
-- 
cgit v1.1