From 42dec2304a34d389cd92aa4c1aad5c5f4c2b216a Mon Sep 17 00:00:00 2001
From: David de Meij <daviddemeij@gmail.com>
Date: Mon, 14 Mar 2022 17:04:11 +0100
Subject: [PATCH] Avoid error in plys_to_dsm when there are no points in
 cloud.ply

---
 s2p/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/s2p/__init__.py b/s2p/__init__.py
index 891e83cf..d578a2d4 100644
--- a/s2p/__init__.py
+++ b/s2p/__init__.py
@@ -443,6 +443,9 @@ def plys_to_dsm(tile):
     # compute the point cloud x, y bounds
     points, _ = ply.read_3d_point_cloud_from_ply(os.path.join(tile['dir'],
                                                               'cloud.ply'))
+    if len(points) == 0:
+        return
+
     xmin, ymin, *_ = np.min(points, axis=0)
     xmax, ymax, *_ = np.max(points, axis=0)