diff --git a/clen_tools/distance-refinement.py b/clen_tools/distance-refinement.py
new file mode 100644
index 0000000..f1af2e8
--- /dev/null
+++ b/clen_tools/distance-refinement.py
@@ -0,0 +1,155 @@
+
+
+# modules
+import pandas as pd
+import subprocess
+import os, errno
+import regex as re
+import numpy as np
+
+def h5_sample( lst, sample ):
+
+    # create sample of images from run
+    # read h5.lst - note - removes // from imade column
+    cols = [ "h5", "image" ]
+    sample_df = pd.read_csv( lst, sep="\s//", engine="python", names=cols )
+
+    # take defined sample
+    sample_df = sample_df.sample( sample )
+
+    # sort list
+    sample_df = sample_df.sort_index()
+
+    # re-add // to image columm
+    sample_df[ "image" ] = "//" + sample_df.image.astype(str)
+
+    # write sample to file
+    sample_file = "h5_{0}_sample.lst".format( sample )
+    sample_df.to_csv( sample_file, sep=" ", index=False, header=False )
+
+    # return sample file name
+    return sample_file
+
+def geom_amend( lab6_geom_file, clen ):
+
+    # read lab6 geom
+    lab6_geom = open( lab6_geom_file, "r" )
+
+    # use regex to find clen and replace with new
+    # clen example => clen = 0.1217
+    clen_geom = re.sub( "clen = 0\.\d+", "clen = {0}".format( clen ), lab6_geom.read() )
+
+    # close lab6 geom file
+    lab6_geom.close()
+
+    # write new clen_geom to file
+    clen_geom_file = "{0}.geom".format( clen )
+    geom = open( clen_geom_file, "w" )
+    geom.write( clen_geom )
+    geom.close()
+
+    # return clen_geom file name
+    return clen_geom_file
+
+def write_crystfel_run( clen, sample_h5_file, clen_geom_file, cell_file ):
+
+    # crystfel file name
+    cryst_run_file = "{0}_cryst_run.sh".format( clen )
+
+    # write file
+    run_sh = open( cryst_run_file, "w" )
+    run_sh.write( "#!/bin/sh\n\n" )
+    run_sh.write( "module purge\n" )
+    run_sh.write( "module load crystfel/0.10.2\n" )
+#    run_sh.write( "module use MX unstable\n" )
+#    run_sh.write( "module load gcc/4.8.5 hdf5_serial/1.10.3 xds/20210205 DirAx/1.17 pinkindexer/2021.08\n" )
+#    run_sh.write( "module load xgandalf/2021.08 fdip/2021.08 mosflm/7.3.0 crystfel/0.10.0 HDF5_bitshuffle/2018.05 HDF5_LZ4/2018.05 ccp4\n\n" )
+    run_sh.write( "indexamajig -i {0} \\\n".format( sample_h5_file ) )
+    run_sh.write( "  --output={0}.stream \\\n".format( clen ) )
+    run_sh.write( "  --geometry={0}\\\n".format( clen_geom_file ) )
+    run_sh.write( "  --pdb={0} \\\n".format( cell_file ) )
+    run_sh.write( "  --indexing=xgandalf-latt-cell --peaks=peakfinder8 \\\n" )
+    run_sh.write( "  --integration=rings-grad --tolerance=10.0,10.0,10.0,2,3,2 --threshold=10 --min-snr=5 --int-radius=2,3,6 \\\n" )
+    run_sh.write( "  -j 36 --no-multi --no-retry --check-peaks --max-res=3000 --min-pix-count=1 --local-bg-radius=4 --min-res=85\n\n" )
+    run_sh.close()
+
+    # make file executable
+    subprocess.call( [ "chmod", "+x", "{0}".format( cryst_run_file ) ] )
+
+    # return crystfel file name
+    return cryst_run_file
+
+def main( lst, sample, lab6_geom_file, centre_clen, cell_file, steps, scan_name, step_size ):
+
+    # set current working directory
+    cwd = os.getcwd()
+
+    # make sample list
+    print( "making {0} sample of images".format( sample ) )
+    sample_h5 = h5_sample( lst, sample)
+    sample_h5_file = "{0}/{1}".format( cwd, sample_h5 )
+    print( "done" )
+
+    # make list of clen steps above and below the central clen
+    print( "make clen array around {0}".format( centre_clen ) )
+    step_range = step_size*steps
+    bottom_step = centre_clen-step_range/2
+    top_step = bottom_step+step_range
+    step_range = np.arange( bottom_step, top_step, step_size )
+    step_range = step_range.round( 4 ) # important - otherwise np gives your .99999999 instead of 1 somethimes
+    print( "done" )
+
+    # make directorys for results
+    print( "begin CrystFEL anaylsis of different clens" )
+
+    # loop to cycle through clen steps
+    for clen in step_range:
+
+        # move back to cwd
+        os.chdir( cwd )
+
+        print( "processing clen = {0}".format( clen ) )
+        # define process directory
+        proc_dir = "{0}/{1}/{2}".format( cwd, scan_name, clen )
+
+        # make process directory
+        try:
+            os.makedirs( proc_dir )
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise
+        
+        # move to process directory
+        os.chdir( proc_dir )
+
+        # make geom file
+        print( "amend .geom file" )
+        clen_geom_file = geom_amend( lab6_geom_file, clen )
+        print( "done" )
+
+        # make crystfel run file
+        print( "make crystfel file" )
+        cryst_run_file = write_crystfel_run( clen, sample_h5_file, clen_geom_file, cell_file )
+        print( "done" )       
+
+        # run crystfel file
+        print( "run crystFEL" )
+        #subprocess.call( [ "./{0}".format( cryst_run_file ) ] )
+        subprocess.call( [ "sbatch", "-p", "day", "--cpus-per-task=32", "--", "./{0}".format( cryst_run_file ) ] )
+        print( "done" )
+
+        #subprocess.call( [ "sbatch", "-p", "day", "--cpus-per-task=32", "--", "run{0}.sh".format( run.zfill(4) ) ] )
+
+# variables
+sample = 500
+lst = "/sf/cristallina/data/p20590/work/process/jhb/detector_refinement/acq0001.JF17T16V01.dark.lst"
+lab6_geom_file = "/sf/cristallina/data/p20590/work/process/jhb/detector_refinement/8M_p-op_c-op_p20590.geom"
+centre_clen = 0.122 # in m
+cell_file = "/sf/cristallina/data/p20590/work/process/jhb/detector_refinement/hewl.cell"
+steps = 10
+scan_name = "fine_scan"
+step_size = 0.0005 # m - 0.001 = coarse scan, 0.0005 = fine
+
+main( lst, sample, lab6_geom_file, centre_clen, cell_file, steps, scan_name, step_size )
+
+
diff --git a/clen_tools/distance-scan-analysis.py b/clen_tools/distance-scan-analysis.py
new file mode 100644
index 0000000..7bcbadc
--- /dev/null
+++ b/clen_tools/distance-scan-analysis.py
@@ -0,0 +1,155 @@
+
+
+# modules
+import pandas as pd
+import regex as re
+import os
+import numpy as np
+import matplotlib.pyplot as plt
+
+
+def scrub_clen( stream_pwd ):
+
+    # get clen from stream name
+    # example - /sf/cristallina/data/p20590/work/process/jhb/detector_refinement/coarse_scan/0.115/0.115.stream
+    # scrub clen and return - else nan
+    try:
+        pattern = r"0\.\d+/(0\.\d+)\.stream"
+        re_search = re.search( pattern, stream_pwd )
+        clen = re_search.group( 1 )
+        if AttributeError:
+            return float( clen )
+    except AttributeError:
+        return np.nan
+
+def find_streams( top_dir ):
+
+    # create df for streams
+    stream_df = pd.DataFrame()
+
+    # search for all files that end with .stream
+
+    for path, dirs, files in os.walk( top_dir ):
+        for name in files:
+            if name.endswith( ".stream" ):
+
+                # get stream pwd
+                stream_pwd = os.path.join( path, name )
+
+                # scrub clen from stream
+                clen = scrub_clen( stream_pwd )
+
+                # put clen and stream pwd into df
+                data = [ {  "stream_pwd" : stream_pwd,
+                            "clen" : clen
+                         } ]
+                stream_df_1 = pd.DataFrame( data )
+                stream_df = pd.concat( ( stream_df, stream_df_1 ) )
+    
+    # sort df based on clen
+    stream_df = stream_df.sort_values( by="clen" )
+
+    # reset df index
+    stream_df = stream_df.reset_index( drop=True )
+
+    # return df of streams and clens
+    return stream_df
+
+def scrub_us( stream ):
+
+    # get uc values from stream file
+    # example - Cell parameters 7.71784 7.78870 3.75250 nm, 90.19135 90.77553 90.19243 deg
+    # scrub clen and return - else nan
+    try:
+        pattern = r"Cell\sparameters\s(\d\.\d+)\s(\d\.\d+)\s(\d\.\d+)\snm,\s(\d+\.\d+)\s(\d+\.\d+)\s(\d+\.\d+)\sdeg"
+        cells = re.findall( pattern, stream )
+        if AttributeError:
+            return cells
+    except AttributeError:
+        return np.nan
+    
+def main( top_dir ):
+
+    # find stream files from process directory
+    print( "finding stream files" )
+    stream_df = find_streams( top_dir )
+    print( "done" )
+
+    # making results df for unit cell and index no.
+    results_df = pd.DataFrame()
+
+    # loop through stream files and collect unit_cell information
+    print( "looping through stream files to collect unit cell, indexed information" )
+    for index, row in stream_df.iterrows():
+
+        stream_pwd, clen = row[ "stream_pwd" ], row[ "clen" ]
+
+        # open stream file
+        print( "scrubbing stream for clen={0}".format( clen ) )
+        stream = open( stream_pwd, "r" ).read()
+
+        # scrub unit cell information
+        cells = scrub_us( stream )
+
+        # put cells in df
+        cols = [ "a", "b", "c", "alpha", "beta", "gamma" ]
+        cells_df = pd.DataFrame( cells, columns=cols )
+        cells_df = cells_df.astype( float )
+
+        # calc stats
+        indexed = len( cells_df )
+        std_a = cells_df.a.std()
+        std_b = cells_df.b.std()
+        std_c = cells_df.c.std()
+
+        # put stats in results df
+        stats = [ { "clen" : clen,
+                    "indexed" : indexed,
+                    "std_a" : std_a,
+                    "std_b" : std_b,
+                    "std_c" : std_c
+                } ]
+        results_df_1 = pd.DataFrame( stats )
+        results_df = pd.concat( ( results_df, results_df_1 ) )
+
+        print( "done" )
+
+    # reset index
+    results_df = results_df.reset_index( drop=True )
+
+    # plot results
+    fig, ax1 = plt.subplots()
+
+    # indexed images plot
+    color = "tab:red"
+    ax1.set_xlabel( "clen" )
+    ax1.set_ylabel( "indexed", color=color )
+    ax1.plot( results_df.clen, results_df.indexed, color=color)
+    ax1.tick_params( axis="y", labelcolor=color)
+
+    # instantiate a second axes that shares the same x-axis
+    ax2 = ax1.twinx()
+
+    # std_a plot
+    color = "tab:blue"
+    ax2.set_ylabel( "st.deviation", color=color )
+    ax2.plot( results_df.clen, results_df.std_a, color=color )
+    ax2.tick_params(axis='y', labelcolor=color)
+
+    # std_b plot
+    ax2.plot( results_df.clen, results_df.std_b, color=color )
+    ax2.tick_params(axis='y', labelcolor=color)
+
+    # std_b plot
+    ax2.plot( results_df.clen, results_df.std_c, color=color )
+    ax2.tick_params(axis='y', labelcolor=color)
+
+    fig.tight_layout()  # otherwise the right y-label is slightly clipped
+    plt.show()
+
+
+# variables
+top_dir = "/sf/cristallina/data/p20590/work/process/jhb/detector_refinement/coarse_scan"
+
+
+main( top_dir )
diff --git a/geom_files/crmx8M_230322.geom b/geom_files/crmx8M_230322.geom
new file mode 100644
index 0000000..011f9ab
--- /dev/null
+++ b/geom_files/crmx8M_230322.geom
@@ -0,0 +1,217 @@
+; Optimized panel offsets can be found at the end of the file
+; Optimized panel offsets can be found at the end of the file
+;
+clen = 0.1217
+photon_energy = 12290
+
+flag_lessthan=-30000
+
+; older, change it to adu_per_eV and set it to one over the photon energy in eV
+adu_per_photon = 1
+max_adu=11000  ; jungfrau max value (for dynamic gain regime is 120.000eV)
+res = 13333.3   ; 75 micron pixel size
+
+rigid_group_collection_c0 = g0,g1,g2,g3,g4,g5,g6,g7,g8,g9,g10,g11,g12,g13,g14,g15
+
+rigid_group_g0 = p0
+rigid_group_g1 = p1
+rigid_group_g2 = p2
+rigid_group_g3 = p3
+rigid_group_g4 = p4
+rigid_group_g5 = p5
+rigid_group_g6 = p6
+rigid_group_g7 = p7
+rigid_group_g8 = p8
+rigid_group_g9 = p9
+rigid_group_g10 = p10
+rigid_group_g11 = p11
+rigid_group_g12 = p12
+rigid_group_g13 = p13
+rigid_group_g14 = p14
+rigid_group_g15 = p15
+
+; These lines describe the data layout for the Eiger native multi-event files
+dim0 = %
+dim1 = ss
+dim2 = fs
+data = /data/JF17T16V01/data
+
+; Uncomment these lines if you have a separate bad pixel map (recommended!)
+mask_file = /sf/cristallina/data/p20558/raw/JF_pedestals/20221018_101546.pixel_mask.h5
+mask = /pixel_mask
+mask_good = 0x1
+mask_bad = 0x0 
+
+
+; corner_{x,y} set the position of the corner of the detector (in pixels)
+; relative to the beam
+
+p0/min_fs = 0
+p0/min_ss = 0
+p0/max_fs = 1029
+p0/max_ss = 513
+p0/fs = +1.000000x +0.000814y
+p0/ss = -0.000814x +1.000000y
+p0/corner_x = -999.642458
+p0/corner_y = -1664.515501
+
+p1/min_fs = 0
+p1/min_ss = 514
+p1/max_fs = 1029
+p1/max_ss = 1027
+p1/fs = +1.000000x +0.000362y
+p1/ss = -0.000362x +1.000000y
+p1/corner_x = 39.799242
+p1/corner_y = -1594.665501
+
+
+p2/min_fs = 0.0
+p2/min_ss = 1028.0
+p2/max_fs = 1029.0
+p2/max_ss = 1541.0
+p2/fs = +1.000000x +0.000339y
+p2/ss = -0.000339x +1.000000y
+p2/corner_x = -999.172458
+p2/corner_y = -1113.325501
+
+p3/min_fs = 0.0
+p3/min_ss = 1542.0
+p3/max_fs = 1029.0
+p3/max_ss = 2055.0
+p3/fs = +1.000000x -0.000244y
+p3/ss = +0.000244x +1.000000y
+p3/corner_x = 39.292642
+p3/corner_y = -1043.965501
+
+p4/min_fs = 0.0
+p4/min_ss = 2056.0
+p4/max_fs = 1029.0
+p4/max_ss = 2569.0
+p4/fs = +1.000000x +0.000439y
+p4/ss = -0.000439x +1.000000y
+p4/corner_x = -998.792458
+p4/corner_y = -563.734501
+
+p5/min_fs = 0.0
+p5/min_ss = 2570.0
+p5/max_fs = 1029.0
+p5/max_ss = 3083.0
+p5/fs = +1.000000x -0.000061y
+p5/ss = +0.000061x +1.000000y
+p5/corner_x = 39.468642
+p5/corner_y = -493.653501
+
+
+p6/min_fs = 0.0
+p6/min_ss = 3084.0
+p6/max_fs = 1029.0
+p6/max_ss = 3597.0
+p6/fs = +1.000000x +0.000062y
+p6/ss = -0.000062x +1.000000y
+p6/corner_x = -1067.942458
+p6/corner_y = -13.120701
+
+p7/min_fs = 0.0
+p7/min_ss = 3598.0
+p7/max_fs = 1029.0
+p7/max_ss = 4111.0
+p7/fs = +1.000000x +0.000058y
+p7/ss = -0.000058x +1.000000y
+p7/corner_x = -29.805658
+p7/corner_y = 55.333999
+
+p8/min_fs = 0.0
+p8/min_ss = 4112
+p8/max_fs = 1029.0
+p8/max_ss = 4625
+p8/fs = +1.000000x +0.000505y
+p8/ss = -0.000505x +1.000000y
+p8/corner_x = -1068.292458
+p8/corner_y = 536.798499
+
+p9/min_fs = 0.0
+p9/min_ss = 4626
+p9/max_fs = 1029.0
+p9/max_ss = 5139
+p9/fs = +1.000000x +0.000463y
+p9/ss = -0.000463x +1.000000y
+p9/corner_x = -29.422758
+p9/corner_y = 605.193499
+
+p10/min_fs = 0.0
+p10/min_ss = 5140
+p10/max_fs = 1029.0
+p10/max_ss = 5653
+p10/fs = +1.000000x -0.000296y
+p10/ss = +0.000296x +1.000000y
+p10/corner_x = -1068.232458
+p10/corner_y = 1087.074499
+
+p11/min_fs = 0.0
+p11/min_ss = 5654
+p11/max_fs = 1029.0
+p11/max_ss = 6167
+p11/fs = +1.000000x -0.000162y
+p11/ss = +0.000162x +1.000000y
+p11/corner_x = -30.060558
+p11/corner_y = 1155.674499
+
+p12/min_fs = 0
+p12/min_ss = 6168
+p12/max_fs = 1029
+p12/max_ss = 6681
+p12/fs = -0.000746x +1.000000y
+p12/ss = -1.000000x -0.000746y
+p12/corner_x = -1021.782458
+p12/corner_y = -1066.215501
+
+p13/min_fs = 0
+p13/min_ss = 6682
+p13/max_fs = 1029
+p13/max_ss = 7195
+p13/fs = -0.000324x +1.000000y
+p13/ss = -1.000000x -0.000324y
+p13/corner_x = 1606.827542
+p13/corner_y = -996.073501
+
+p14/min_fs = 0
+p14/min_ss = 7196
+p14/max_fs = 1029
+p14/max_ss = 7709
+p14/fs = +0.002185x +0.999998y
+p14/ss = -0.999998x +0.002185y
+p14/corner_x = -1093.032458
+p14/corner_y = -27.189301
+
+p15/min_fs = 0
+p15/min_ss = 7710
+p15/max_fs = 1029
+p15/max_ss = 8223
+p15/fs = +0.000156x +1.000000y
+p15/ss = -1.000000x +0.000156y
+p15/corner_x = 1537.837542
+p15/corner_y = 42.438499
+
+badregion/min_fs = 0
+badregion/min_ss = 5654
+badregion/max_fs = 1029
+badregion/max_ss = 6167
+badregion/panel = p11
+
+
+p0/coffset = -0.000093
+p1/coffset = -0.000093
+p2/coffset = -0.000093
+p3/coffset = -0.000093
+p4/coffset = -0.000093
+p5/coffset = -0.000093
+p6/coffset = -0.000093
+p7/coffset = -0.000093
+p8/coffset = -0.000093
+p9/coffset = -0.000093
+p10/coffset = -0.000093
+p11/coffset = -0.000093
+p12/coffset = -0.000093
+p13/coffset = -0.000093
+p14/coffset = -0.000093
+p15/coffset = -0.000093
diff --git a/pyfai-tools/convert-scan-for-pyfai-16M.py b/pyfai-tools/convert-scan-for-pyfai-16M.py
new file mode 100644
index 0000000..436fddf
--- /dev/null
+++ b/pyfai-tools/convert-scan-for-pyfai-16M.py
@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+
+# author J.Beale
+
+"""
+# aim
+ - -16M=varient for large detectors
+make image file to input into pyFAI for initial detector beam-centre and detector distance calibration
+refer to Cristallina8M-calibration for complete protocol
+https://docs.google.com/document/d/1RoeUUogvRxX4M6uqGwkjf3dVJBabiMUx4ZxwcA5e9Dc/edit#
+
+# protocol
+take scan of LaB6
+## IMPORTANT ##
+- save image as photon-counts - in slic/run_control scale=beam energy
+- detector_geometry=TRUE - saves detector panels in their correct orientation
+## scan inputs ##
+- <0.01 trans
+- motor scan > 10 um per step
+- 10 images per step, 100 steps
+- use scan.json as input for this script
+
+# usage
+python make-tiff.py -j <jugfrau-name> -s <path to scan file> -n <name of output file>
+
+# output
+creates a .npy file that can be loaded directly into pyFAI
+"""
+
+# modules
+from matplotlib import pyplot as plt
+import numpy as np
+from sfdata import SFScanInfo
+from tqdm import tqdm
+import argparse
+
+def convert_image( path_to_json, jungfrau, name ):
+
+    # opens scan
+    print( "opening scane" )
+    scan = SFScanInfo( path_to_json )
+
+    # steps in scane
+    nsteps = len(scan)
+
+    # define step ch and im_shape
+    step = scan[0]
+    ch = step[jungfrau]
+    img_shape = ch[0].shape
+
+    print("stepping through scan and averaging images at each step")
+    # step through scan and average files from each positions
+    imgs_shape = (nsteps, *img_shape)
+    imgs = np.empty(imgs_shape)
+    for i, subset in tqdm(enumerate(scan)): 
+
+        # go through data in_batches so you don't run out of memory
+        ch = subset[jungfrau]
+        mean = np.zeros(img_shape)
+        for _indices, batch in ch.in_batches(size=2):
+            mean += np.mean(batch, axis=0)
+        
+        # take mean of means for batch opened data
+        imgs[i] = mean
+
+    print( "done" )
+    # sum averaged imaged
+    print( "final average" )
+    mean_image = imgs.mean(axis=0)
+    print("done")
+
+    # output to file
+    print( "saving to .npy = {0}".format( name ) )
+    np.save( "{0}.npy".format( name ), mean_image )
+    print( "done" )
+
+    # create plot of summed, averaged scan
+    fig, ax = plt.subplots()
+    ax.imshow(mean_image, vmin=0, vmax=1000)
+    plt.show()
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-j",
+        "--jungfrau",
+        help="name of the jungfrau used, i.e., JF17T16V01 for Cristallina MX",
+        type=str,
+        default="JF17T16V01"
+    )
+    parser.add_argument(
+        "-s",
+        "--scan",
+        help="path to json scan file",
+        type=str,
+        default="/sf/cristallina/data/p20590/raw/run0003/meta/scan.json"
+    )
+    parser.add_argument(
+        "-n",
+        "--name",
+        help="name of output file",
+        type=str,
+        default="mean_scan"
+    )
+    args = parser.parse_args()
+
+    convert_image( args.scan, args.jungfrau, args.name )
diff --git a/pyfai-tools/convert-scan-for-pyfai.py b/pyfai-tools/convert-scan-for-pyfai.py
new file mode 100644
index 0000000..0418aac
--- /dev/null
+++ b/pyfai-tools/convert-scan-for-pyfai.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+
+# author J.Beale
+
+"""
+# aim
+make image file to input into pyFAI for initial detector beam-centre and detector distance calibration
+refer to Cristallina8M-calibration for complete protocol
+https://docs.google.com/document/d/1RoeUUogvRxX4M6uqGwkjf3dVJBabiMUx4ZxwcA5e9Dc/edit#
+
+# protocol
+take scan of LaB6
+## IMPORTANT ##
+- save image as photon-counts - in slic/run_control scale=beam energy
+- detector_geometry=TRUE - saves detector panels in their correct orientation
+## scan inputs ##
+- <0.01 trans
+- motor scan > 10 um per step
+- 10 images per step, 100 steps
+- use scan.json as input for this script
+
+# usage
+python make-tiff.py -j <jugfrau-name> -s <path to scan file> -n <name of output file>
+
+# output
+creates a .npy file that can be loaded directly into pyFAI
+"""
+
+# modules
+from matplotlib import pyplot as plt
+import numpy as np
+from sfdata import SFScanInfo
+from tqdm import tqdm
+import argparse
+
+def convert_image( path_to_json, jungfrau, name ):
+
+    # opens scan
+    scan = SFScanInfo( path_to_json )
+
+    # step through scan and average files from each positions
+    mean_image = []
+    for step in tqdm( enumerate(scan) ):
+        # step is a SFDataFiles object 
+        subset = step[1]
+        mean = np.mean( subset[ jungfrau ].data, axis=0 )
+        mean_image.append(mean)
+
+    # sum averaged imaged
+    sum_image = np.sum( mean_image, axis=0 )
+
+    # output to file
+    np.save( "{0}.npy".format( name ), sum_image )
+
+    # create plot of summed, averaged scan
+    fig, ax = plt.subplots()
+    ax.imshow(sum_image, vmin=0, vmax=1000)
+    plt.show()
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-j",
+        "--jungfrau",
+        help="name of the jungfrau used, i.e., JF17T16V01 for Cristallina MX",
+        type=str,
+        default="JF17T16V01"
+    )
+    parser.add_argument(
+        "-s",
+        "--scan",
+        help="path to json scan file",
+        type=str,
+        default="/sf/cristallina/data/p20590/raw/run0003/meta/scan.json"
+    )
+    parser.add_argument(
+        "-n",
+        "--name",
+        help="name of output file",
+        type=str,
+        default="sum_mean_scan"
+    )
+    args = parser.parse_args()
+
+    convert_image( args.scan, args.jungfrau, args.name )
diff --git a/pyfai-tools/sum_mean_scan.poni b/pyfai-tools/sum_mean_scan.poni
new file mode 100644
index 0000000..230eebc
--- /dev/null
+++ b/pyfai-tools/sum_mean_scan.poni
@@ -0,0 +1,12 @@
+# Nota: C-Order, 1 refers to the Y axis, 2 to the X axis 
+# Calibration done at Thu Mar 16 16:56:31 2023
+poni_version: 2
+Detector: Detector
+Detector_config: {"pixel1": 7.5e-08, "pixel2": 7.5e-08, "max_shape": [3333, 3212]}
+Distance: 0.00012198044363190573
+Poni1: 0.0001245625996392014
+Poni2: 0.00012028397296269736
+Rot1: -0.0013017934228372007
+Rot2: 0.0011373661117621663
+Rot3: -0.00014487988888865335
+Wavelength: 1.0088217935980494e-10
diff --git a/pyfai-tools/update-geom-from-lab6.py b/pyfai-tools/update-geom-from-lab6.py
new file mode 100644
index 0000000..3aa709b
--- /dev/null
+++ b/pyfai-tools/update-geom-from-lab6.py
@@ -0,0 +1,168 @@
+#!/usr/bin/python
+
+import pandas as pd
+import numpy as np
+import regex as re
+from scipy import constants
+import argparse
+from datetime import datetime
+date = datetime.today().strftime('%y%m%d')
+
+
+def calculate_new_corner_positions( beam_x, beam_y ):
+
+    # make df of current corner positions
+    positions = { "current_x" : [ 607, 1646, 607, 1646, 607, 1646, 538, 1577, 538, 1577, 538, 1577, 538, 3212, 514, 3143 ],
+                  "current_y" : [ 0, 69, 550, 619, 1100, 1169, 1650, 1719, 2200, 2269, 2750, 2819, 597, 667, 1636, 1706 ]
+                 }
+    corner_df = pd.DataFrame( positions )
+
+    # calculate new corner positions
+    corner_df[ "new_x" ] = corner_df.current_x.subtract( beam_x )
+    corner_df[ "new_y" ] = corner_df.current_y.subtract( beam_y )
+
+    # drop old positions
+    corner_df = corner_df[[ "new_x", "new_y" ]]
+
+    return corner_df
+
+def scrub_poni( path_to_poni_file ):
+
+    # open poni file
+    poni_file = open( path_to_poni_file, "r" ).read()
+
+    # regex patterns to scrub poni data
+    clen_m_pattern = r"Distance:\s(\d\.\d*)"
+    poni1_m_pattern = r"Poni1:\s(\d\.\d*)"
+    poni2_m_pattern = r"Poni2:\s(\d\.\d*)"
+    wave_pattern = r"Wavelength:\s(\d\.\d*)e(-\d+)"
+
+    # regex seach
+    clen = re.search( clen_m_pattern, poni_file ).group( 1 )
+    poni1_m = re.search( poni1_m_pattern, poni_file ).group( 1 )
+    poni2_m = re.search( poni2_m_pattern, poni_file ).group( 1 )
+    wave = re.search( wave_pattern, poni_file ).group( 1, 2 )
+
+    # calulate proper wavelength
+    wave = float(wave[0]) * np.float_power( 10, int( wave[1]) )
+
+    # calculate beam_centre
+    poni1_p = float( poni1_m ) / 0.000000075
+    poni2_p = float( poni2_m ) / 0.000000075
+
+    # calculate beam energy in eV
+    eV = ( ( constants.c * constants.h ) / wave ) / constants.electron_volt
+
+    # return poni1 = y, poni2 = x and energy
+    return poni1_p, poni2_p, eV, round( float( clen )*1000, 5 )
+
+
+def write_new_positions( path_to_geom, beam_x, beam_y, clen, energy ):
+
+    # open current geometry file
+    current_geom_file = open( path_to_geom, "r" ).read()
+
+    # calculate new corner positions
+    corner_df = calculate_new_corner_positions( beam_x, beam_y )
+
+    # replace current corner positions with new ones
+    for i in range(0, 16):
+       
+        # x and y positions
+        new_x, new_y = round( corner_df.new_x[i], 3 ), round( corner_df.new_y[i], 3 )
+
+        # input new x position
+        current_pattern_x = r"p" + re.escape( str(i) ) + r"/corner_x = -?\d+\.\d+"
+        new_pattern_x = r"p" + re.escape( str(i) ) + r"/corner_x = " + str( new_x )
+        current_geom_file = re.sub( current_pattern_x, new_pattern_x, current_geom_file )
+
+        # input new y position
+        current_pattern_y = r"p" + re.escape( str(i) ) + r"/corner_y = -?\d+\.\d+"
+        new_pattern_y = r"p" + re.escape( str(i) ) + r"/corner_y = " + str( new_y )
+        current_geom_file = re.sub( current_pattern_y, new_pattern_y, current_geom_file )
+
+    # input new clen
+    current_clen = r"clen = \d\.\d+"
+    new_clen = r"clen = " + str( clen )
+    current_geom_file = re.sub( current_clen, new_clen, current_geom_file )
+
+    # input new energy
+    current_energy = r"photon_energy = \d+"
+    new_energy = r"photon_energy = " + str( energy )
+    current_geom_file = re.sub( current_energy, new_energy, current_geom_file )
+
+    # create geom new file
+    geom_start = path_to_geom[:-5]
+    new_geom_name = "{0}_{1}.geom".format( geom_start, date )
+    
+    # write new geom file
+    f = open( new_geom_name, "w" )
+    f.write( current_geom_file )
+    f.close()
+
+    # return new_geom_name
+    return new_geom_name
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "-g",
+        "--geom",
+        help="give the path to the cristallina 8M geom file to be updated",
+        type=str,
+        default="/sf/cristallina/data/p20558/work/geom/optimised_geom_file/p20558_hewl_op.geom",
+    )
+    parser.add_argument(
+        "-x",
+        "--beam_x",
+        help="beam_x in pixels",
+        type=float,
+        default=1603.73
+    )
+    parser.add_argument(
+        "-y",
+        "--beam_y",
+        help="beam_y in pixels",
+        type=float,
+        default=1661.99
+    )
+    parser.add_argument(
+        "-c",
+        "--clen",
+        help="detector distance in m",
+        type=int,
+        default=0.111
+    )
+    parser.add_argument(
+        "-e",
+        "--energy",
+        help="photon energy",
+        type=int,
+        default=12400
+    )
+    parser.add_argument(
+        "-i",
+        "--poni",
+        help="path to poni file",
+        type=str,
+    )
+    parser.add_argument(
+        "-p",
+        "--p-group",
+        help="p-group name",
+        type=str,
+    )
+    args = parser.parse_args()
+    # run geom converter
+    if args.poni is not None:
+        print( "reading poni file" )
+        beam_y, beam_x, eV, clen = scrub_poni( args.poni )
+        print( "beam x, beam_y = {0}, {1}\nphoton_energy = {2}\nclen = {3}".format( beam_x, beam_y, eV, clen ) )
+        new_geom_name = write_new_positions( args.geom, beam_x, beam_y, clen, eV )
+        print( "updated .geom file with poni calculations\n new .geom = {0}".format( new_geom_name ) )
+    else:
+        print( "manually input positions" )
+        print( "beam x, beam_y = {0}, {1}\nphoton_energy = {2}\nclen = {3}".format( args.beam_x, args.beam_y, args.energy, args.clen ) )
+        new_geom_name = write_new_positions( args.geom, args.beam_x, args.beam_y, args.clen, args.energy )
+        print( "updated .geom file with poni calculations\nnew .geom = {0}".format( new_geom_name ) )
\ No newline at end of file