Set the default z shift of the magnetic field to -5.087 m

This will cause the old magnetic fields to be read in correctly, even if there is no /remoll/field/zoffset command
JeffersonLab · Oct 2, 2019 · 45d23f1 · 45d23f1
1 parent 96fd953
commit 45d23f1
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/macros/runexample.mac b/macros/runexample.mac
@@ -21,9 +21,6 @@
 /remoll/addfield map_directory/blockyHybrid_rm_3.0.txt
 /remoll/addfield map_directory/blockyUpstream_rm_1.1.txt
 
-/remoll/field/zoffset map_directory/blockyHybrid_rm_3.0.txt -5087.
-/remoll/field/zoffset map_directory/blockyUpstream_rm_1.1.txt -5087.
-
 #/remoll/field/scale map_directory/blockyHybrid_rm_3.0.txt 1.0
 #/remoll/field/current map_directory/blockyHybrid_rm_3.0.txt 1000.0
 

diff --git a/src/remollMagneticField.cc b/src/remollMagneticField.cc
@@ -38,7 +38,10 @@ remollMagneticField::remollMagneticField( G4String filename ){
 
     fPhi0 = -1e9;
 
-    fZoffset = 0.0;
+    // Default offset for field maps in reference frame with
+    // the hall pivot at z = 0.
+    fZoffset = -5087.0;
+
     fInit = false;
     fMagCurrent0 = -1e9;