diff --git a/marchenko/demo/WS15/README.2 b/marchenko/demo/WS15/README.2
index aa9603a8f39ff8773bbfd22d07e2a8b03efda6f3..cd50a79d3c076b8c7da2aac13700544d3451cbc1 100644
--- a/marchenko/demo/WS15/README.2
+++ b/marchenko/demo/WS15/README.2
@@ -23,7 +23,7 @@ run the marchenko program interactively (no need to submit job to queue);
Compare the Green's function computed by marchenko with the reference (adapt job.pbs to run referenceShot.scr)
-The script eps.scr generate .eps files and .png files that can be copied back to your local laptop for display.
+The script eps.scr generates .eps and .png files that can be copied back to your local laptop for display.
You can experiment with
-amplitude of R: scale with a constant ampltiude
diff --git a/marchenko/demo/WS15/README.3 b/marchenko/demo/WS15/README.3
index 37f0f302e0cc317af54a956bd8f75e61d3262c83..7cbb22a48af0f894044bdb300197189d287fc852 100644
--- a/marchenko/demo/WS15/README.3
+++ b/marchenko/demo/WS15/README.3
@@ -1 +1,9 @@
-plane waves
+Plane waves
+
+Marchenko emthod worls as well with plane-waves, in stead of modeling a foccus point response for the initial operaror and plane wave is modeled.
+
+Submit the initialPlane.scr to the queue to compute the intial operator. The marchenkoPlane.scr script computes the Macrehnko solution for the plane-wave response.
+
+
+
+The script epsPlane.scr generates .eps and .png files that can be copied back to your local laptop for display.
diff --git a/marchenko/demo/WS15/README.4 b/marchenko/demo/WS15/README.4
index b6da83df289fa2f49cabe03af2abe301a4403847..071e902dc11e406408ab6c18cc9c437f6cc3456b 100644
--- a/marchenko/demo/WS15/README.4
+++ b/marchenko/demo/WS15/README.4
@@ -1,3 +1,5 @@
-
-Primaries only
+To generate a shot record with Primaries reflections only submit the demo/twoD/primaries.scr to the queue.
+
+The script epsPrimaries.scr generates .eps and .png files that can be copied back to your local laptop for display.
+
diff --git a/marchenko/demo/twoD/epsPlane.scr b/marchenko/demo/twoD/epsPlane.scr
new file mode 100755
index 0000000000000000000000000000000000000000..e5abc5efff2f269ae36c4181a595c0528c0cf8f6
--- /dev/null
+++ b/marchenko/demo/twoD/epsPlane.scr
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+#intial plane operator
+file=iniPlane_z1100_rp.su
+file_base=${file%.su}
+sumax < $file mode=abs outpar=nep
+clipref=`cat nep | awk '{print $1/2}'`
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < $file \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref > ${file_base}.eps
+convert -quality 90 -antialias ${file_base}.eps ${file_base}.jpg
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < p0plus.su \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref > ${file_base}_muted.eps
+convert ${file_base}_muted.eps ${file_base}_muted.png
+
+
+#Marchencko computed Greens function
+file=f2Plane.su
+file_base=${file%.su}
+sumax < $file mode=abs outpar=nep
+clipref=`cat nep | awk '{print $1/4}'`
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < $file \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref > ${file_base}.eps
+convert ${file_base}.eps ${file_base}.png
+
+
diff --git a/marchenko/demo/twoD/epsPrimaries.scr b/marchenko/demo/twoD/epsPrimaries.scr
new file mode 100755
index 0000000000000000000000000000000000000000..515814d371f70859abd92dab05713a10255bbd8d
--- /dev/null
+++ b/marchenko/demo/twoD/epsPrimaries.scr
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+#original shot record
+
+file=shotw.su
+file_base=${file%.su}
+sumax < $file mode=abs outpar=nep
+clipref=`cat nep | awk '{print $1/5}'`
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < $file \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref title="original shot" > ${file_base}.eps
+convert -quality 90 -antialias ${file_base}.eps ${file_base}.jpg
+
+
+#Marchencko computed primaries only
+file=pred_rr.su
+file_base=${file%.su}
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < $file \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref title="primaries"> ${file_base}.eps
+convert ${file_base}.eps ${file_base}.png
+
+
+#difference : removed internal multiples
+sudiff pred_rr.su shotw.su > diff.su
+file=diff.su
+file_base=${file%.su}
+
+supsimage hbox=6 wbox=4 labelsize=10 linewidth=0.0 < $file \
+ label1="time (s)" label2="lateral distance (m)" \
+ n1tic=2 x1beg=0 x1end=2.0 d1num=0.4 \
+ f2=-3000 f2num=-3000 d2num=1000 clip=$clipref title="removed multiples"> ${file_base}.eps
+convert ${file_base}.eps ${file_base}.png
+
diff --git a/marchenko/demo/twoD/initialPlane.scr b/marchenko/demo/twoD/initialPlane.scr
new file mode 100755
index 0000000000000000000000000000000000000000..fbdd55e1fe68ffa5a729e4eff4ddbc8178d852d4
--- /dev/null
+++ b/marchenko/demo/twoD/initialPlane.scr
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+export PATH=$HOME/src/OpenSource/bin:$PATH:
+
+dx=2.5
+dt=0.0005
+
+makemod sizex=6000 sizez=2000 dx=$dx dz=$dx cp0=1900 ro0=1200 \
+ orig=-3000,0 file_base=synclDown.su verbose=2 \
+ intt=def x=-3000,500,3000 z=195,195,195 poly=1 cp=1950 ro=3700 \
+ intt=def x=-3000,3000 z=600,600 poly=0 cp=2050 ro=1750 \
+ intt=def x=-3000,3000 z=680,680 poly=0 cp=2150 ro=2220 \
+ intt=def x=-3000,3000 z=780,780 poly=0 cp=2230 ro=1700 \
+ intt=def x=-3000,-2200,-1500,0,1300,2100,3000 z=520,580,680,840,680,600,500 poly=2 cp=2400 ro=2800 \
+
+makewave fp=20 dt=$dt file_out=wave.su nt=4096 t0=0.1 scale=1
+
+dxshot=10
+ishot=300
+nshots=301
+
+export KMP_AFFINITY=disabled
+export OMP_NUM_THREADS=16
+
+file_rcv=iniPlane_z1100.su
+
+fdelmodc \
+ file_cp=synclDown_cp.su ischeme=1 iorder=4 \
+ file_den=synclDown_ro.su \
+ file_src=wave.su \
+ file_rcv=$file_rcv \
+ src_type=1 \
+ src_orient=1 \
+ src_injectionrate=1 \
+ rec_type_vz=0 \
+ rec_type_p=1 \
+ rec_int_vz=2 \
+ rec_delay=0.1 \
+ dtrcv=0.004 \
+ verbose=2 \
+ tmod=2.100 \
+ dxrcv=10.0 \
+ xrcv1=-3000 xrcv2=3000 \
+ zrcv1=0 zrcv2=0 \
+ xsrc=0 zsrc=1100 plane_wave=1 nsrc=2401 \
+ ntaper=200 \
+ left=2 right=2 top=2 bottom=2
+
+
+
diff --git a/marchenko/demo/twoD/marchenkoPlane.scr b/marchenko/demo/twoD/marchenkoPlane.scr
new file mode 100755
index 0000000000000000000000000000000000000000..379837415576fac7d036956b8697017c1c4f56dc
--- /dev/null
+++ b/marchenko/demo/twoD/marchenkoPlane.scr
@@ -0,0 +1,15 @@
+#!/bin/bash -x
+
+export PATH=$HOME/src/OpenSource/bin:$PATH:
+
+export OMP_NUM_THREADS=40
+
+#mute all events below the first arrival to get the intial focusing field
+fmute file_shot=iniPlane_z1100_rp.su file_out=p0plus.su above=-1 shift=-10 verbose=1 check=1 hw=4
+
+#apply the Marchenko algorithm
+marchenko file_shot=shots/refl_rp.su file_tinv=p0plus.su nshots=601 verbose=1 \
+ tap=0 niter=15 hw=8 shift=7 smooth=3 \
+ file_green=pPlane.su \
+ file_f1plus=f1plusPlane.su file_f1min=f1minPlane.su file_f2=f2Plane.su
+
diff --git a/marchenko/demo/twoD/primaries.scr b/marchenko/demo/twoD/primaries.scr
index d001b743b833a14ad141e024d9be64a56c504b29..4fa1a4f88bf1f0240ee4b4bde17afd73a349f5e4 100755
--- a/marchenko/demo/twoD/primaries.scr
+++ b/marchenko/demo/twoD/primaries.scr
@@ -20,21 +20,23 @@ marchenko_primaries file_shot=shots/refl_rp.su ishot=$select file_src=wave.su \
nshots=601 verbose=2 istart=40 iend=650 fmax=90 \
niter=22 niterskip=50 shift=20 file_rr=pred_rr.su T=0
+#for reference original shot record from Reflection matrix
+suwind key=fldr min=$select max=$select < shots/refl_rp.su > shotsx0.su
+fconv file_in1=shotsx0.su file_in2=wave.su file_out=shotw.su
+
#alternative use shotw as input, must first be multiplied by -1 (see theory)
-#suwind key=fldr min=$select max=$select < shots/refl_rp.su > shotsx0.su
-#fconv file_in1=shotsx0.su file_in2=wave.su file_out=shotw.su
#sugain scale=-1 < shotw.su > pplus.su
#
#marchenko_primaries file_shot=shots/refl_rp.su file_tinv=pplus.su \
# nshots=601 verbose=2 istart=40 iend=1024 fmax=90 \
# niter=22 niterskip=50 shift=20 file_rr=pred_rr.su T=0
-exit
# for displaying results
(suwind key=offset min=0 max=0 < pred_rr.su ; suwind key=offset min=0 max=0 < shotw.su) | suxgraph
+exit
sudiff pred_rr.su shotw.su > diff.su
suximage < shotw.su x1end=2.5 clip=1 title="original shot"&
suximage < pred_rr.su x1end=2.5 clip=1 title="shot with multiples removed"&
diff --git a/marchenko/demo/twoD/referenceShot.scr b/marchenko/demo/twoD/referenceShot.scr
index abd00a179eb84fca06d2d7aefed28e2847dcb1de..56411aa98b7bcd777a492f3acd0877d3ff1cb871 100755
--- a/marchenko/demo/twoD/referenceShot.scr
+++ b/marchenko/demo/twoD/referenceShot.scr
@@ -19,8 +19,9 @@ fdelmodc \
src_type=1 \
src_orient=1 \
src_injectionrate=1 \
- rec_type_ud=1 \
+ rec_type_ud=0 \
rec_type_p=1 \
+ rec_type_vz=0 \
rec_int_vz=2 \
dtrcv=0.004 \
rec_delay=0.1 \
@@ -30,7 +31,7 @@ fdelmodc \
xrcv1=-3000 xrcv2=3000 \
zrcv1=0 zrcv2=0 \
xsrc=0 zsrc=1100 \
- file_snap=backpropref.su tsnap1=0.1 dtsnap=0.010 tsnap2=2.100 \
+ file_snap=backpropref.su tsnap1=0.1 dtsnap=0.010 tsnap2=0.000 \
dxsnap=10 dzsnap=10 zsnap1=0 zsnap2=2000 xsnap1=-2250 xsnap2=2250 sna_type_vz=0 \
ntaper=200 \
left=2 right=2 top=2 bottom=2