X-Git-Url: https://hackdaworld.org/gitweb/?p=physik%2Fposic.git;a=blobdiff_plain;f=vasp_tools%2Fdisp_calc;fp=vasp_tools%2Fdisp_calc;h=253226f74043ca7d09bc3ab50f46f013b0129d82;hp=0000000000000000000000000000000000000000;hb=b12edd667bd8891f871975590d6fd45e843bd1e0;hpb=e6ca71aa985ab3c6885784e0cd1b8141672902fb

diff --git a/vasp_tools/disp_calc b/vasp_tools/disp_calc
new file mode 100755
index 0000000..253226f
--- /dev/null
+++ b/vasp_tools/disp_calc
@@ -0,0 +1,144 @@
+#!/bin/bash
+
+file=$1
+init=$2
+atom=$3
+
+if [ -n "$4" ]; then
+ref=$4
+else
+ref=$atom
+fi
+echo "atom number $ref is used as a reference ..."
+echo
+
+scale=`sed -n 2p $file`
+
+X1=`sed -n 3p $file | awk '{ print $1 }'`
+X2=`sed -n 3p $file | awk '{ print $2 }'`
+X3=`sed -n 3p $file | awk '{ print $3 }'`
+
+Y1=`sed -n 4p $file | awk '{ print $1 }'`
+Y2=`sed -n 4p $file | awk '{ print $2 }'`
+Y3=`sed -n 4p $file | awk '{ print $3 }'`
+
+Z1=`sed -n 5p $file | awk '{ print $1 }'`
+Z2=`sed -n 5p $file | awk '{ print $2 }'`
+Z3=`sed -n 5p $file | awk '{ print $3 }'`
+
+export X1 X2 X3
+export Y1 Y2 Y3
+export Z1 Z2 Z3
+
+((offset=8))
+
+echo "final:"
+echo "scale: $scale"
+echo "X: $X1 $X2 $X3"
+echo "Y: $Y1 $Y2 $Y3"
+echo "Z: $Z1 $Z2 $Z3"
+
+((line1=atom+offset))
+
+temp="`sed -n ${line1}p $1`"
+xa=`echo $temp | awk '{ print $1 }'`
+ya=`echo $temp | awk '{ print $2 }'`
+za=`echo $temp | awk '{ print $3 }'`
+echo "(x,y,z) = $xa $ya $za $scale"
+
+results=`echo "$xa $ya $za $scale" | \
+	awk ' \
+	BEGIN {
+		X1=ENVIRON["X1"]; X2=ENVIRON["X2"]; X3=ENVIRON["X3"]
+		Y1=ENVIRON["Y1"]; Y2=ENVIRON["Y2"]; Y3=ENVIRON["Y3"]
+		Z1=ENVIRON["Z1"]; Z2=ENVIRON["Z2"]; Z3=ENVIRON["Z3"]
+	}	
+	{
+		X=sqrt(X1^2+X2^2+X3^2)
+		Y=sqrt(Y1^2+Y2^2+Y3^2)
+		Z=sqrt(Z1^2+Z2^2+Z3^2)
+		x=$1*X
+		if(x>1.0)
+			x-=1.0;
+		if(x<-1.0)
+			x+=1.0;
+		y=$2*Y
+		if(y>1.0)
+			y-=1.0;
+		if(y<-1.0)
+			y+=1.0;
+		z=$3*Z
+		if(z>1.0)
+			z-=1.0;
+		if(z<-1.0)
+			z+=1.0;
+
+		print x*$4 " " y*$4 " " z*$4
+	}'`
+
+xf=`echo $results | awk '{ print $1 }'`
+yf=`echo $results | awk '{ print $2 }'`
+zf=`echo $results | awk '{ print $3 }'`
+echo "---> $xf $yf $zf"
+
+file=$init
+
+scale=`sed -n 2p $file`
+
+X1=`sed -n 3p $file | awk '{ print $1 }'`
+X2=`sed -n 3p $file | awk '{ print $2 }'`
+X3=`sed -n 3p $file | awk '{ print $3 }'`
+
+Y1=`sed -n 4p $file | awk '{ print $1 }'`
+Y2=`sed -n 4p $file | awk '{ print $2 }'`
+Y3=`sed -n 4p $file | awk '{ print $3 }'`
+
+Z1=`sed -n 5p $file | awk '{ print $1 }'`
+Z2=`sed -n 5p $file | awk '{ print $2 }'`
+Z3=`sed -n 5p $file | awk '{ print $3 }'`
+
+export X1 X2 X3
+export Y1 Y2 Y3
+export Z1 Z2 Z3
+
+((offset=8))
+
+echo
+echo "initial:"
+echo "scale: $scale"
+echo "X: $X1 $X2 $X3"
+echo "Y: $Y1 $Y2 $Y3"
+echo "Z: $Z1 $Z2 $Z3"
+
+((line1=ref+offset))
+
+temp="`sed -n ${line1}p $file`"
+xa=`echo $temp | awk '{ print $1 }'`
+ya=`echo $temp | awk '{ print $2 }'`
+za=`echo $temp | awk '{ print $3 }'`
+echo "(x,y,z) = $xa $ya $za $scale"
+
+results=`echo "$xa $ya $za $scale" | \
+	awk ' \
+	BEGIN {
+		X1=ENVIRON["X1"]; X2=ENVIRON["X2"]; X3=ENVIRON["X3"]
+		Y1=ENVIRON["Y1"]; Y2=ENVIRON["Y2"]; Y3=ENVIRON["Y3"]
+		Z1=ENVIRON["Z1"]; Z2=ENVIRON["Z2"]; Z3=ENVIRON["Z3"]
+	}	
+	{
+		X=sqrt(X1^2+X2^2+X3^2)*$4
+		Y=sqrt(Y1^2+Y2^2+Y3^2)*$4
+		Z=sqrt(Z1^2+Z2^2+Z3^2)*$4
+		print $1*X " " $2*Y " " $3*Z
+	}'`
+
+xi=`echo $results | awk '{ print $1 }'`
+yi=`echo $results | awk '{ print $2 }'`
+zi=`echo $results | awk '{ print $3 }'`
+echo "---> $xi $yi $zi"
+
+echo
+echo -en "displacement: "
+echo $xf $yf $zf $xi $yi $zi | awk '{ print $1-$4 " " $2-$5 " " $3-$6 }'
+echo
+