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|
#! /usr/bin/perl -sw
#
# Given an output file in CarpetIOScalar format or
# CarpetIOASCII scalar or 1d format, strip to ygraph format.
# Output is to a file named after the input file, with its extension ".asc"
# substituted by ".xg".
#
# Example:
#
# Carpet2ygraphCat.pl alp.x.asc
#
# produces alp.x.xg
#
# Carpet2ygraph.pl alp.minimum.asc
#
# produces alp.minumum.xg
#
# Some headers of the Carpet files are just copied with the addition of
# the correct time for ygraph, and the different comment marker.
#
# This script is an altered version of Ian Hawke's script.
#
use FileHandle;
if(@ARGV != 1 and @ARGV != 2)
{
print "Usage: $0 <Inputfile> [<Data Column (0..n)>]\n";
exit;
}
my $direction;
my $infile = shift;
my $varindex = 0;
$varindex = shift if @ARGV == 1;
open(CARPETFILE, "< $infile") || die "Unable to find input file '$infile'\n.";
if ($infile =~ /\.(x|y|z|d)\.asc$/) {
$direction = ord($1) - ord('x') + 9;
print "extracting CarpetIOASCII 1D data in direction $1...\n";
} elsif ($infile =~ /\.\.asc$/) {
$direction = 8;
print "extracting CarpetIOASCII 0D data...\n";
} elsif ($infile =~ /\.asc$/) {
$direction = 0;
print "extracting CarpetIOScalar data...\n";
} else {
die "Do not recognize input file format for '$infile'.\n";
}
# deal with scalar output
if ($direction == 0) {
local @dataColumns = ();
while (<CARPETFILE>) {
if (/^# data columns: (.+)/) {
@dataColumns = split(/[ :]/, $1);
last;
}
}
# seek back to the beginning of the file
seek(CARPETFILE, 0, 0);
my $outfile = $infile;
$outfile =~ s/asc$/xg/;
if (exists $dataColumns[$varindex*2 + 1]) {
local @tokens = split(/::/, $outfile);
if (@tokens) {
$outfile = $tokens[0] . '::';
@tokens = split(/\./, $tokens[1]);
} else {
@tokens = split('.', $outfile);
$outfile = '';
}
$tokens[0] = $dataColumns[$varindex*2 + 1];
$outfile .= join('.', @tokens);
}
print " output to file '$outfile'\n\n";
local $fh = new FileHandle("> $outfile") || die "Unable to open output file '$outfile'.\n";
while (<CARPETFILE>) {
# The line is not a header comment
if(/^[0-9]/) {
my @data = split(/\s+/);
if (not defined $data[$varindex + 2]) {
print STDERR "\nInput file '$infile' has no values in data column " .
"$varindex.\n" . "Please specify a valid column index " .
"(starting from 0) !\n\n";
exit -1;
}
print $fh $data[1]." ".$data[$varindex + 2]."\n";
}
}
close ($fh);
exit;
}
my %data;
my $time = -1;
my $new = 0;
my $lastit = -1;
my @datatoprint;
my $nsets = 1;
my $maxlength = 0;
my @lengths;
my @dataColumns = ();
$lengths[0]=0;
while (<CARPETFILE>)
{
chomp;
next if (/^$/);
@dataColumns = split(/[ :]/, $1) if (/^# data columns: (.+)/);
#Do nothing for headers!
next if (/^#/);
my @dataline = split(/[ \t]+/);
my $currentit = $dataline[0];
if ($currentit != $lastit) {
if ($new) {
# do not print "Time..." for zero-D data
push(@datatoprint,"\n\n\#Time = $time\n") if ($direction !~ 8);
my @sortedcoords = sort {$a <=> $b} (keys %data);
foreach my $localcoord (@sortedcoords) {
push(@datatoprint, $localcoord." ".$data{$localcoord}."\n");
}
$maxlength = $maxlength > (scalar @sortedcoords) ? $maxlength : (scalar @sortedcoords);
$lengths[$nsets-1]=(scalar @sortedcoords);
$nsets++;
$lengths[$nsets-1]=0;
%data=();
}
$new++;
$time = $dataline[8];
$lastit = $currentit;
}
my $coord = $dataline[$direction];
if (not defined $dataline[12 + $varindex]) {
print STDERR "\nInput file '$infile' has no values in data column " .
"$varindex.\n" . "Please specify a valid column index " .
"(starting from 0) !\n\n";
exit -1;
}
my $val = $dataline[12 + $varindex];
$data{$coord} = $val;
}
# do not print "Time..." for zero-D data
push(@datatoprint,"\n\n\#Time = $time\n") if ($direction !~ 8);
my @sortedcoords = sort {$a <=> $b} (keys %data);
foreach my $localcoord (@sortedcoords) {
push(@datatoprint, $localcoord." ".$data{$localcoord}."\n");
}
$maxlength = $maxlength > (scalar @sortedcoords) ? $maxlength : (scalar @sortedcoords);
$lengths[$nsets-1]=(scalar @sortedcoords);
$nsets++;
$lengths[$nsets-1]=0;
my $outfile = $infile;
$outfile =~ s/asc$/xg/;
if (exists $dataColumns[$varindex*2 + 1]) {
my @tokens = split(/::/, $outfile);
if (@tokens) {
$outfile = $tokens[0] . '::';
@tokens = split(/\./, $tokens[1]);
} else {
@tokens = split('.', $outfile);
$outfile = '';
}
$tokens[0] = $dataColumns[$varindex*2 + 1];
$outfile .= join('.', @tokens);
}
print " output to file '$outfile'\n\n";
my $fh = new FileHandle("> $outfile") or die "Unable to open output file '$outfile'.\n";
my $oldline="";
$nouts=0;
my $set=0;
foreach $line (@datatoprint) {
if ($line =~ "Time") {
if ($oldline) {
for (my $i=$lengths[$set-1]; $i<$maxlength;$i++) {
$nouts++;
print $fh $oldline;
}
}
$set++;
print $fh $line;
}
else {
$nouts++;
print $fh $line;
$oldline=$line
}
}
# TR: I don't see why this is needed, it seems to print the last data item twice
# in CarpetIOBasic 0D output
#for (my $i=$lengths[$set-1]; $i<$maxlength;$i++) {
# $nouts++;
# print $fh $oldline;
#}
|
