171 lines
4.2 KiB
Perl
Executable file
171 lines
4.2 KiB
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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use Data::Dumper;
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use POSIX qw( );
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use Getopt::Std qw( getopts );
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( my $Script = $0 ) =~ s{^.*/}{};
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our ( $VERSION, $DATE ) = do {
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my ( $ver, $date ) =
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q{$Id: fStar-coordinates,v 1.0 2006-10-06 cfdadmin Exp $} =~
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m{\s+(\d+\.\d+).*?\s+(\d{4}[-/]\d{2}[-/]\d{2})\s*};
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$date =~ s{/}{-}g; # ISO-formatted
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( $ver, $date );
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};
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# for simplicity - use '..' as rootDir and pwd as caseDir
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my %config = (
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rootDir => "..",
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caseDir => do { ( my $x = POSIX::getcwd ) =~ s{^.*/}{}; $x },
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output => "constant/coordinateSystems",
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);
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# -------------------------------------------------------------------------
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sub usage {
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$! = 0; # clean exit
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warn "@_\n" if @_;
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die <<"USAGE";
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usage:
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$Script [OPTION] <file1.inp> ... <fileN.inp>
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options:
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-h usage
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-w write to $config{output}
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Extract Star-CD coordinate system information from the input files
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and print in a form suitable for OpenFOAM
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version $VERSION ($DATE)
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copyright (c) 2006 Mark Olesen <Mark.Olesen\@ArvinMeritor.com>
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USAGE
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}
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# -------------------------------------------------------------------------
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my %opt;
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getopts( "hw", \%opt ) or usage();
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$opt{h} and usage();
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@ARGV or usage();
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# degrees -> rad (PI/4)
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use constant PI => 4 * atan2( 1, 1 );
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sub deg2rad {
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map { $_ * ( PI / 180 ) } @_;
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}
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sub millimeter2meter {
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map { $_ * 0.001 } @_;
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}
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sub FoamDivider {
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"// " . ( "* " x 37 ) . "//\n";
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}
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if ( $opt{w} ) {
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my $output = $config{output};
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( my $dir = $output ) =~ s{/[^/]+$}{};
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-d $dir or mkdir $dir;
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warn "writing $output\n";
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open STDOUT, "> $output", or die "cannot open '$output'\n";
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}
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# -------------------------------------------------------------------------
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#
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# create header - simple substitutions
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#
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my $header = do { local $/; <DATA> };
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{
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my %var = ( CASE => $config{caseDir} || "", OBJECT => "coordinateSystems" );
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( my $text = $header ) =~ s/%{\s*([_A-Z]+)\s*}/ $var{$1} || '' /eg;
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print $text;
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}
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# -------------------------------------------------------------------------
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# handle lines with
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# LOCAL csysId csysType originX originY originZ rotXY rotYZ rotZY
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#
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while (<>) {
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s/^\s*loca\w*\s+(\d+)\s+\w+//i or next;
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my $csysId = $1;
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my @a = map { $_ + 0 } split;
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@a >= 6 or next; # require 6 fields
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my ( $origx, $origy, $origz, $rotxy, $rotyz, $rotzy ) = @a;
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# origin: mm -> m
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my @origin = millimeter2meter( $origx, $origy, $origz );
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# rotation: deg -> rad
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my ( $rotZ, $rotX, $rotY ) = deg2rad( $rotxy, $rotyz, $rotzy );
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# z axis
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my @axis = (
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sin($rotX) * cos($rotY) * sin($rotZ) + sin($rotY) * cos($rotZ),
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sin($rotY) * sin($rotZ) - sin($rotX) * cos($rotY) * cos($rotZ),
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cos($rotX) * cos($rotY),
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);
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my @dir = (
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cos($rotY) * cos($rotZ) - sin($rotX) * sin($rotY) * sin($rotZ),
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cos($rotY) * sin($rotZ) + sin($rotX) * sin($rotY) * cos($rotZ),
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-cos($rotX) * sin($rotY),
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);
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for ( @axis, @dir ) {
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if ( abs($_) <= 1e-8 ) {
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$_ = 0;
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}
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else {
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$_ = sprintf "%.8f", $_;
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s{\.?0+$}{};
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}
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}
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print << "PRINT";
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coordinateSystem_$csysId
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{
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type Cartesian;
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origin (@origin);
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axis (@axis);
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direction (@dir);
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// starcdRotation ($rotxy $rotyz $rotzy);
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}
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PRINT
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}
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print "\n", FoamDivider;
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# -------------------------------------------------------------------------
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__DATA__
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/*------------------------------*- c-mode -*---------------------------------*\
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| ========= | |
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| \\ / F ield | foam-extend: Open Source CFD |
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| \\ / O peration | Version: 3.0 |
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| \\ / A nd | Web: http://www.openfoam.org |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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root "..";
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case "%{CASE}";
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instance "constant";
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local "";
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note "persistent data for pro-STAR <-> OpenFOAM translation";
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class dictionary;
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object %{OBJECT};
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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