From 94ede54fc8dc24c1a9e91f88f13d511fe21c68ee Mon Sep 17 00:00:00 2001
From: David Perl <david.perl@psi.ch>
Date: Tue, 8 Sep 2026 09:07:26 +0200
Subject: [PATCH] feat: bring daq into line with fractional transmission

---
 src/aare/daq/daq.py                        | 14 +++++---------
 src/aare/gui/panels/scan_settings_panel.py |  2 +-
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/src/aare/daq/daq.py b/src/aare/daq/daq.py
index a9adf94e..b15f16d7 100644
--- a/src/aare/daq/daq.py
+++ b/src/aare/daq/daq.py
@@ -1631,7 +1631,7 @@ class AareDAQ:
 
         if (trans := getattr(aaredb_params, "transmission", None)) is not None:
             logger.debug(f"transmission: {trans}")
-            params.transmission = trans / 100.0 if trans > 1.0 else trans
+            params.transmission = trans
 
         if (res := getattr(aaredb_params, "targetresolution", None)) is not None:
             logger.debug(f"resolution: {res}")
@@ -2490,18 +2490,14 @@ class AareDAQ:
 
         params = default_params
 
-        # Exposure
         exp = getattr(aaredb_params, "exposure", None)
         if exp is not None:
             params.exp_time_s = exp
-        else:
-            params.exp_time_s = 0.04  # Default
 
-        # Transmission
-        trans = getattr(aaredb_params, "transmission", None)
-        if trans is not None:
-            logger.debug(f"transmission: {trans}")
-            params.transmission = trans / 100.0 if trans > 1.0 else trans
+        db_transmission = getattr(aaredb_params, "transmission", None)
+        if db_transmission is not None:
+            logger.debug(f"DB provided transmission: {db_transmission}")
+            params.transmission = db_transmission
         else:
             params.transmission = 1.0  # Default
 
diff --git a/src/aare/gui/panels/scan_settings_panel.py b/src/aare/gui/panels/scan_settings_panel.py
index 65a5e6b1..9d7ed373 100644
--- a/src/aare/gui/panels/scan_settings_panel.py
+++ b/src/aare/gui/panels/scan_settings_panel.py
@@ -301,7 +301,7 @@ class ScanSettingsPanel(QWidget):
 
         # Handle transmission with conversion (common to all panels)
         if (transmission := getattr(self._params, "transmission", None)) is not None:
-            transmission_value = transmission / 100.0 if transmission > 1.0 else transmission
+            transmission_value = transmission
             self._transmission = transmission_value
             self.transmission_enter.set_db_value(transmission_value)