# HG changeset patch
# User Sascha L. Teichmann <sascha.teichmann@intevation.de>
# Date 1626710282 -7200
# Node ID 1a89084163d536bf2412b4a9bbcc4afd5e7fe85b
# Parent  df1b2c5ae541a494c5b996269e7106050deb588c
Fixed data race in diff calculation by adding two forgotten waitgroup waits.

diff -r df1b2c5ae541 -r 1a89084163d5 pkg/mesh/raster.go
--- a/pkg/mesh/raster.go	Mon Jul 19 16:17:08 2021 +0200
+++ b/pkg/mesh/raster.go	Mon Jul 19 17:58:02 2021 +0200
@@ -114,6 +114,7 @@
 		rows <- i
 	}
 	close(rows)
+	wg.Wait()
 }
 
 func (r *Raster) Diff(eval func(float64, float64) (float64, bool)) {
@@ -177,6 +178,7 @@
 		rows <- i
 	}
 	close(rows)
+	wg.Wait()
 }
 
 func (r *Raster) ZExtent() (float64, float64, bool) {