Add new scripts for detector shifts

1 files changed, 118 insertions, 0 deletions

diff --git a/scripts/detector-shift b/scripts/detector-shift
new file mode 100755
index 00000000..77634f83
--- /dev/null
+++ b/scripts/detector-shift
@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+
+#
+# Determine mean detector shift based on prediction refinement results
+#
+# Copyright (c) 2015 Deutsches Elektronen-Synchrotron DESY,
+#                    a research centre of the Helmholtz Association.
+#
+# Author:
+#    2015 Thomas White <taw@physics.org>
+#
+
+import sys
+import os
+import re
+
+f = open(sys.argv[1], 'r')
+if len(sys.argv) > 2:
+    geom = sys.argv[2]
+    have_geom = 1
+else:
+    have_geom = 0
+
+# Determine the mean shifts
+total_x = 0
+total_y = 0
+total_z = 0
+n_xy = 0
+n_z = 0
+
+prog1 = re.compile("^predict_refine/det_shift\sx\s=\s([0-9\.\-]+)\sy\s=\s([0-9\.\-]+)\smm$")
+prog2 = re.compile("^predict_refine/clen_shift\s=\s([0-9\.\-]+)\smm$")
+
+while True:
+
+    fline = f.readline()
+    if not fline:
+        break
+
+    match = prog1.match(fline)
+    if match:
+        xshift = float(match.group(1))
+        yshift = float(match.group(2))
+        total_x += xshift
+        total_y += yshift
+        n_xy += 1
+
+    match = prog2.match(fline)
+    if match:
+        zshift = float(match.group(1))
+        total_z += xshift
+        n_z += 1
+
+if n_xy != n_z:
+    print 'Warning: number of xy shifts not equal to number of z shifts'
+
+mean_x = total_x / n_xy
+mean_y = total_y / n_xy
+mean_z = total_z / n_z
+
+print 'Mean shifts: dx = %.2f mm,  dy = %.2f mm;  dz = %.2f mm' % (mean_x,mean_y,mean_z)
+f.close()
+
+if not have_geom:
+    exit(0)
+
+# Apply shifts to geometry
+out = os.path.splitext(geom)[0]+'-predrefine.geom'
+print 'Applying corrections to %s, output filename %s' % (geom,out)
+g = open(geom, 'r')
+h = open(out, 'w')
+
+prog1 = re.compile("^\s*res\s+=\s+([0-9\.]+)\s")
+prog2 = re.compile("^\s*(.*)\/res\s+=\s+([0-9\.]+)\s")
+prog3 = re.compile("^\s*(.*)\/corner_x\s+=\s+([0-9\.]+)\s")
+prog4 = re.compile("^\s*(.*)\/corner_y\s+=\s+([0-9\.]+)\s")
+default_res = 0
+while True:
+
+    fline = g.readline()
+    if not fline:
+        break
+
+    match = prog1.match(fline)
+    if match:
+        default_res = float(match.group(1))
+        print 'default res %f' % (default_res)
+	h.write(fline)
+	continue
+
+    match = prog2.match(fline)
+    if match:
+        panel = match.group(1)
+	panel_res = float(match.group(2))
+        print 'panel res %s / %f' % (panel, panel_res)
+	h.write(fline)
+	continue
+
+    match = prog3.match(fline)
+    if match:
+        panel = match.group(1)
+	panel_cnx = float(match.group(2))
+	res = default_res     # FIXME!
+	h.write('%s/corner_x = %f\n' % (panel,panel_cnx+(mean_x*res*1e-3)))
+	continue
+
+    match = prog4.match(fline)
+    if match:
+        panel = match.group(1)
+	panel_cny = float(match.group(2))
+	res = default_res     # FIXME!
+	h.write('%s/corner_y = %f\n' % (panel,panel_cny+(mean_y*res*1e-3)))
+	continue
+
+    h.write(fline)
+
+g.close()
+h.close()