From 1989e0e9b256d4a001324c64cf6863d7325a5e46 Mon Sep 17 00:00:00 2001
From: Jan Funke <funkej@janelia.hhmi.org>
Date: Wed, 10 Jul 2024 11:04:28 -0400
Subject: [PATCH] Fix out-of-bounds error on empty rtree queries

---
 spatial_graph/rtree_wrapper.pyx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/spatial_graph/rtree_wrapper.pyx b/spatial_graph/rtree_wrapper.pyx
index 5770bc2..0e63ad9 100644
--- a/spatial_graph/rtree_wrapper.pyx
+++ b/spatial_graph/rtree_wrapper.pyx
@@ -81,8 +81,11 @@ cdef class RTree:
 
         cdef search_results results
         cdef size_t num_results = self.count(bb_min, bb_max)
+
         # TODO: initialize with node dtype equivalent
         data_array = np.zeros((num_results,), dtype=np.uint64)
+        if num_results == 0:
+            return data_array
         init_search_results_from_numpy(&results, data_array)
 
         impl.rtree_search(