From 2562e90c7810f09794c6bf864fd103faf577290d Mon Sep 17 00:00:00 2001
From: Philipp Schmidt <philipp.schmidt@xfel.eu>
Date: Sun, 23 Oct 2022 17:03:08 +0200
Subject: [PATCH] Move first pulse by missing PPL pulses if FEL-only
---
notebooks/REMI/REMI_Digitize_and_Transform.ipynb | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/notebooks/REMI/REMI_Digitize_and_Transform.ipynb b/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
index 95b065bd9..1968322d6 100644
--- a/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
+++ b/notebooks/REMI/REMI_Digitize_and_Transform.ipynb
@@ -257,6 +257,15 @@
" \n",
" if num_pulses == 0:\n",
" return\n",
+ " elif len(ppl_pos) == 0 and ppl_offset < 0:\n",
+ " # No PPL pulses, but a negative offset is configured. This will cause\n",
+ " # first_pulse_offset to start early and most likely miss pulses at the\n",
+ " # end, so we correct by adding the ppl_offset to relative positions\n",
+ " # when computing trace positions.\n",
+ " pos_corr = abs(ppl_offset)\n",
+ " else:\n",
+ " pos_corr = 0\n",
+ " \n",
"\n",
" rel_pos = all_pos - all_pos[0]\n",
"\n",
@@ -265,7 +274,7 @@
" elif num_pulses == 1:\n",
" pulse_len = single_pulse_length\n",
"\n",
- " start_frac = first_pulse_offset + rel_pos * 2 * clock_factor\n",
+ " start_frac = first_pulse_offset + (rel_pos + pos_corr) * 2 * clock_factor\n",
" start_int = start_frac.astype(int)\n",
"\n",
" pulse_offset = pulse_offsets[index]\n",
--
GitLab