diff --git a/marchenko/demo/twoD/README b/marchenko/demo/twoD/README
index e4549dbd2f057b9cc8fca6d23be68eee2c3f5c35..ff1a0b1cbc6a66369faa72ebe2152a0e7ec48e09 100644
--- a/marchenko/demo/twoD/README
+++ b/marchenko/demo/twoD/README
@@ -1,6 +1,7 @@
 Description of files:
 1a) model.scr computes the model
-1b) shots.scr creates the shots
+1b) shots_slurm/pbs.scr creates the shots and submit jobs to slurm or PBS
+1c) check.scr after the jobs on shots_*.scr are finished checks if all shots are there
 2) direct.scr creates the direct arrival to be removed from the shots
 3) remove_direct.scr remove the direct wave from the shots 
 4) initialFocus.scr model G_d the intitial focusing function => iniFocus_z1100_x0_rp.su
diff --git a/marchenko/demo/twoD/clean b/marchenko/demo/twoD/clean
index 085f0557f80ea4ee096c73abfa9b42a078e823bb..0d2611c04c3751b3c7d36314cb089b3fcdc6b864 100755
--- a/marchenko/demo/twoD/clean
+++ b/marchenko/demo/twoD/clean
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-rm *.su *.bin *.txt *.eps nep
+rm *.su *.bin *.txt *.eps nep *.asci
 
diff --git a/marchenko/demo/twoD/direct.scr b/marchenko/demo/twoD/direct.scr
index 2caae885125572541343958d0129cefefff2cc05..48ef53e850d9ee80f8b91027b36fbcbd7d825037 100755
--- a/marchenko/demo/twoD/direct.scr
+++ b/marchenko/demo/twoD/direct.scr
@@ -19,7 +19,7 @@ fdelmodc \
     src_type=7 \
 	src_orient=1 \
 	src_injectionrate=1 \
-    rec_type_vz=1 \
+    rec_type_vz=0 \
     rec_type_p=1 \
     rec_int_vz=2 \
 	rec_delay=0.3 \
diff --git a/marchenko/demo/twoD/initialFocus.scr b/marchenko/demo/twoD/initialFocus.scr
deleted file mode 100755
index d19ab84411de82c585b3505a09429fdf8edf23f5..0000000000000000000000000000000000000000
--- a/marchenko/demo/twoD/initialFocus.scr
+++ /dev/null
@@ -1,78 +0,0 @@
-#!/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 OMP_NUM_THREADS=1
-mkdir -p shots
-mkdir -p jobs
-
-while (( ishot < nshots ))
-do
-
-		(( xsrc = -3000 + ${ishot}*${dxshot} ))
-		echo xsrc=$xsrc
-		file_rcv=shots/iniFocus_z1100_x${xsrc}.su
-
-  cat << EOF > jobs/pbs_$ishot.job 
-#!/bin/bash
-#
-#PBS -q medium
-#PBS -N mod_${xsrc}
-#PBS -j eo 
-#PBS -m n 
-#PBS -l nodes=1
-#PBS -V
-
-
-export PATH=\$HOME/src/OpenSource/bin:\$PATH:
-cd \$PBS_O_WORKDIR
-
-export OMP_NUM_THREADS=4
-	
-		fdelmodc \
-			file_cp=synclDown_cp.su ischeme=1 iorder=4 \
-   			file_den=synclDown_ro.su \
-   			file_src=wave.su \
-   			file_rcv=$file_rcv \
-   			src_type=1 \
-			src_orient=1 \
-			src_injectionrate=1 \
-   			rec_type_vz=0 \
-   			rec_type_p=1 \
-   			rec_int_vz=2 \
-			rec_delay=0.1 \
-   			dtrcv=0.004 \
-   			verbose=2 \
-   			tmod=2.100 \
-   			dxrcv=10.0 \
-   			xrcv1=-3000 xrcv2=3000 \
-   			zrcv1=0 zrcv2=0 \
-   			xsrc=$xsrc zsrc=1100 \
-   			ntaper=200 \
-   			left=2 right=2 top=2 bottom=2
-EOF
-
-        qsub jobs/pbs_$ishot.job 
-
-			(( ishot = $ishot + 1))
-done
-
-
-
diff --git a/marchenko/demo/twoD/marchenko.scr b/marchenko/demo/twoD/marchenko.scr
index f95998a2780188857fc06b35912c6f0cf2224bf4..fcbb45ccb77f50f142d07a4824e889363e309a95 100755
--- a/marchenko/demo/twoD/marchenko.scr
+++ b/marchenko/demo/twoD/marchenko.scr
@@ -8,8 +8,23 @@ export OMP_NUM_THREADS=1
 fmute file_shot=shots/iniFocus_z1100_x0_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 \
+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=pgreen.su file_gplus=Gplus0.su file_gmin=Gmin0.su  \
     file_f1plus=f1plus0.su file_f1min=f1min0.su file_f2=f2.su
 
+#compare Green's funtions on Marhcenko and reference result
+suwind key=gx min=0 max=0 itmax=511 < pgreen.su | sumax mode=abs outpar=nepmg
+suwind key=gx min=0 max=0 itmax=511 < referenceP_rp.su | sumax mode=abs outpar=neprf
+mg=`cat nepmg | awk '{print $1}'`
+rf=`cat neprf | awk '{print $1}'`
+value=${value/[eE][+][0]/*10^}
+mg=${mg/[eE][+][0]/*10^}
+rf=${rf/[eE][+][0]/*10^}
+rm nep*
+scale=$(echo "scale=3; ($rf)/($mg)" | bc -l)
+echo $scale
+
+(suwind key=gx min=0 max=0 itmax=511 < pgreen.su | sugain scale=$scale;  \
+    suwind key=gx min=0 max=0 < referenceP_rp.su) | suxgraph
+
diff --git a/marchenko/demo/twoD/referenceShot.scr b/marchenko/demo/twoD/referenceShot.scr
index 9496e59e36fffb31874103b2a1a6daaa27d0c838..4c015f6baa98c092e3210801e3a6caff68fd34ad 100755
--- a/marchenko/demo/twoD/referenceShot.scr
+++ b/marchenko/demo/twoD/referenceShot.scr
@@ -1,9 +1,4 @@
 #!/bin/bash
-#PBS -N fdelmod
-#PBS -q verylong
-#PBS -l nodes=1
-#PBS -k eo
-#PBS -j eo
 
 export PATH=$HOME/src/OpenSource/bin:$PATH:
 
@@ -17,10 +12,10 @@ makewave fp=20 dt=$dt file_out=wave.su nt=4096 t0=0.1 scale=1
 export OMP_NUM_THREADS=8
 
 fdelmodc \
-    file_cp=../syncl_cp.su ischeme=1 iorder=4 \
-    file_den=../syncl_ro.su \
+    file_cp=syncl_cp.su ischeme=1 iorder=4 \
+    file_den=syncl_ro.su \
     file_src=wave.su \
-    file_rcv=referenceP_z1100_x0.su \
+    file_rcv=referenceP.su \
     src_type=1 \
 	src_orient=1 \
 	src_injectionrate=1 \
@@ -35,7 +30,8 @@ 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 dxsnap=10 dzsnap=10 zsnap1=0 zsnap2=2000 xsnap1=-2250 xsnap2=2250 \
+	file_snap=backpropref.su tsnap1=0.1 dtsnap=0.010 tsnap2=2.100 \
+	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
 
diff --git a/marchenko/demo/twoD/remove_direct.scr b/marchenko/demo/twoD/remove_direct.scr
index 1fb2c04e25ca9436057f09ebd308210c37ccdfa8..0881615c381aba1f42314c7cc226ba18edb05496 100755
--- a/marchenko/demo/twoD/remove_direct.scr
+++ b/marchenko/demo/twoD/remove_direct.scr
@@ -29,3 +29,5 @@ do
 
 done
 
+rm refl.su shotz0.su direct.su
+
diff --git a/marchenko/demo/twoD/shots.scr b/marchenko/demo/twoD/shots.scr
deleted file mode 100755
index 8e97a142f686db3a301d3f40f457a2924379a2ea..0000000000000000000000000000000000000000
--- a/marchenko/demo/twoD/shots.scr
+++ /dev/null
@@ -1,75 +0,0 @@
-#!/bin/bash
-#PBS -N fdelmod
-#PBS -q long
-#PBS -l nodes=1
-#PBS -k eo
-#PBS -j eo
-
-export PATH=$HOME/src/OpenSource/bin:$PATH:
-
-dt=0.0005
-makewave w=fw fmin=0 flef=5 frig=80 fmax=100  dt=$dt file_out=wavefw.su nt=4096 t0=0.3 scale=0 scfft=1
-
-./model.scr
-
-mkdir -p shots
-mkdir -p jobs
-
-dxshot=10
-ishot=50
-nshots=601
-nshots=51
-zsrc=0
-
-while (( ishot < nshots ))
-do
-
-		(( xsrc = -3000 + ${ishot}*${dxshot} ))
-
-		echo ishot=$ishot xsrc=$xsrc zsrc=$zsrc
-
-  cat << EOF > jobs/pbs_$ishot.job 
-#!/bin/bash
-#
-#PBS -q medium
-#PBS -N mod_${xsrc}
-#PBS -j eo 
-#PBS -m n 
-#PBS -l nodes=1
-#PBS -V
-
-export PATH=\$HOME/src/OpenSource/bin:\$PATH:
-cd \$PBS_O_WORKDIR
-
-	export OMP_NUM_THREADS=4
-	file_rcv=shots/shots_${xsrc}.su
-
-	fdelmodc \
-   		file_cp=syncl_cp.su ischeme=1 iorder=4 \
-   		file_den=syncl_ro.su \
-   		file_src=wavefw.su \
-   		file_rcv=\$file_rcv \
-		src_type=7 \
-		src_orient=1 \
-		src_injectionrate=1 \
-   		rec_type_vz=1 \
-   		rec_type_p=1 \
-   		rec_int_vz=2 \
-		rec_delay=0.3 \
-   		dtrcv=0.004 \
-   		verbose=2 \
-   		tmod=4.392 \
-   		dxrcv=10.0 \
-   		xrcv1=-3000,-3000,-3000 xrcv2=3000,3000,3000 \
-   		zrcv1=0,1000,1600 zrcv2=0,1000,1600 \
-   		xsrc=$xsrc zsrc=$zsrc \
-   		ntaper=200 \
-   		left=2 right=2 top=2 bottom=2
-EOF
-
-qsub jobs/pbs_$ishot.job
-
-   		(( ishot = $ishot + 1))
-
-done
-