read motor positions from header

Signed-off-by: Wolfgang Ludwig <wolfgang.ludwig@esrf.fr>

zUtil_Topotomo/gtGetOffsets.m

+function offsets = gtGetOffsets(parameters, beamline)
+    acq = parameters.acq;
+    if acq.interlaced_turns
+        im = edf_info(sprintf('%s/0_rawdata/Orig/%s0_0000.edf', acq.dir, acq.name));
+    else
+        im = edf_info(sprintf('%s/0_rawdata/Orig/%s_0_0000.edf', acq.dir, acq.name));
+    end
+    switch beamline
+        case 'id11'
+            offsets.samrx_offset  = im.motor.samrx;
+            offsets.samry_offset  = im.motor.samry;
+            offsets.diffrz_offset = im.motor.diffrz;
+            offsets.samtx_offset  = im.motor.samtx;
+            offsets.samty_offset  = im.motor.samty;
+            offsets.samtz_offset  = im.motor.samtz;
+        case 'id06'
+            offsets.phi_offset    = im.motor.phi;
+            offsets.chi_offset    = im.motor.chi;
+            offsets.diffrz_offset = im.motor.diffry;
+            offsets.samtx_offset  = 0;
+            offsets.samty_offset  = 0;
+            offsets.samtz_offset  = 0;
+    end
+end
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