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git://projects.qi-hardware.com/cae-tools.git
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83 lines
1.3 KiB
Perl
83 lines
1.3 KiB
Perl
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#!/usr/bin/perl
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#
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# fped2stl.pl - Convert fped 2D stacks to STL meshes
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#
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# Written 2013 by Werner Almesberger
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# Copyright 2013 Werner Almesberger
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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use POSIX;
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sub usage
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{
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print STDERR "usage: $0 prefix [file ...]\n\n";
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exit(1);
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}
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sub flush
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{
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local ($z1) = sprintf("%e", $_[0]);
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$z = sprintf("%e", $z);
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return unless defined $s;
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print STDERR "$name $z ...\n";
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$^F = 20;
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pipe SR, SW;
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pipe RR, RW;
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$pid = fork();
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if (!$pid) {
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close SW;
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close RR;
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$sn = fileno SR;
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$rn = fileno RW;
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open(PIPE, "|cameo >/dev/fd/$rn") || die "cameo: $!";
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print PIPE "gnuplot 0mm /dev/fd/$sn\n";
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print PIPE "stl\n";
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close PIPE;
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exit;
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}
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close SR;
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close RW;
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print SW $s;
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close SW;
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while (<RR>) {
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s/cameo/$name/;
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s/(vertex.*)0\.0*e\+00$/$1$z/;
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s/(vertex.*)1\.0*e\+00$/$1$z1/;
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print;
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}
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close RR;
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}
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&usage if $ARGV[0] =~ /^-[^0-9]/;
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$pfx = shift @ARGV;
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&usage unless defined $pfx;
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$skip = 1;
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while (<>) {
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if (/^# $pfx(.*?)-(\d+(\.\d*)?)\s*$/) {
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&flush($2);
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$name = $1;
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$z = $2;
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undef $s;
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$skip = 0;
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} elsif (/^# /) {
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$skip = 1;
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}
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next if $skip;
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next if /^#/;
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$s .= $_;
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}
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&flush(0);
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