Changeset 894 for sans/Dev/trunk/NCNR_User_Procedures/Reduction/SANS

Timestamp:

Jan 30, 2013 3:17:10 PM (10 years ago)

Author:

srkline

Message:

simple fix to prodiv to account for the not-quite 65,65 on center plex data from NGA. increased the tolerance for NGA only.

File:

• sans/Dev/trunk/NCNR_User_Procedures/Reduction/SANS/ProDiv.ipf (modified) (3 diffs)

sans/Dev/trunk/NCNR_User_Procedures/Reduction/SANS/ProDiv.ipf

@@ -571 +571 @@
 //loop through each file and check the x and y center
 // within some tolerance (5 pixels) should be fine
+//
+// this is really just to flag the case where (0,0) is the "center" which causes all sorts
+// of solid angle problems when generating a DIV file.
+//
+// TODO_10m: extra-wide tolerance for NGA = 10m SANS. Once "normal" beam centers are settled, then the tolerance can be adjusted here
 Function CheckDIVBeamCenter(str,xc,yc)
         String str
@@ -576 +581 @@
         
         Variable err,ii,num,tmpX,tmpY,badCtr,tol=5
-        String fileStr,pathStr
+        String fileStr,pathStr,acct
         
         PathInfo catPathName
@@ -584 +589 @@
         ii=0
         badCtr = 0
+        
+        // get the account, to identify the instrument
+        fileStr = pathStr + StringFromList(ii, str,",")
+        acct = getAcctName(fileStr)
+        String instr=fileStr[1,3]       //filestr is "[NGnSANSn] " or "[NGnSANSnn]" (11 characters total)       
+        if(cmpstr(instr,"NGA")==0)
+                tol=20          //if the 10m SANS, give an extra-wide tolerance, and show an alert
+                DoAlert 0,"NGA SANS instrument. Be sure that the correct beam centers are entered for all of the plex files."
+        endif
+        
         do
                 fileStr = pathStr + StringFromList(ii, str,",")