From ff2913f202dfa214557c9a991c10d3b880ecad24 Mon Sep 17 00:00:00 2001
From: Kevin Schmidt <kevin3.schmidt@tu-dortmund.de>
Date: Mon, 10 Jun 2024 17:41:18 +0200
Subject: [PATCH] simplify delta calculation

---
 pyvisgen/gridding/gridder.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pyvisgen/gridding/gridder.py b/pyvisgen/gridding/gridder.py
index 8dbe723..eb6f372 100644
--- a/pyvisgen/gridding/gridder.py
+++ b/pyvisgen/gridding/gridder.py
@@ -237,8 +237,7 @@ def grid_data(uv_data, freq_data, conf):
     N = conf["grid_size"]  # image size
     fov = conf["grid_fov"] * np.pi / (3600 * 180)
 
-    delta_l = fov / N
-    delta = (N * delta_l) ** (-1)
+    delta = 1 / fov
 
     # bins are shifted by delta/2 so that maximum in uv space matches maximum
     # in numpy fft