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#!/usr/bin/perl
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#======================================================================
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# E D I T P D 0
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# doc: Mon Nov 25 20:24:31 2013
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# dlm: Sat Jan 9 20:07:59 2016
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# (c) 2013 A.M. Thurnherr
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# uE-Info: 128 0 NIL 0 0 72 2 2 4 NIL ofnI
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#======================================================================
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# edit RDI PD0 file, e.g. to replace pitch/roll/heading with external values
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# NOTES:
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#
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# - editing instructions can be provided either in an editing file (primarily
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# for ensemble-specific editing), or with the -x option on the command line
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# (only or editing applied to all ensembles)
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#
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# - Data-Editing Library:
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# p(<pitch>) set pitch value (RDI not gimbal pitch) of current ensemble
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# r(<roll>) set roll alue value of current ensemble
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# h(<heading>) set heading alue value of current ensemble
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#
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# swap_beams(<b1>,<b2>) swap data from beams b1 and b2
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# input in beam coords required
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# beam rotation is equivalent to 3 consecutive beam swaps
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#
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# earth2beam() transform beam to earth coordinates
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# does not handle bin-remapping
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# input in beam coords required
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#
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# - -x notes:
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# - multiple perl expressions can be combined with ,
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#
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# - Edit File Syntax:
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# - # comments ignored
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# - empty lines ignored
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# - [space] <ensemble-number|*> <space> <perl-expr>
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# - Examples:
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# 162 p(3), r(4), h(3.14)
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# HISTORY:
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# Nov 25, 2013: - created
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# Dec 18, 2015: - added switch_beams()
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# - added -x
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# Jan 9, 2016: - renamed switch_beams() to swap_beams()
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# - wrote documentation
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# - change output data-source ID from 0x7F to 0xE0
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# - updated getopts to current perl version
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# - adapted to [ADCP_tools_lib.pl]
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use Getopt::Std;
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($ADCP_TOOLS) = ($0 =~ m{(.*/)[^/]+});
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$ADCP_tools_minVersion = 1.4;
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require "$ADCP_TOOLS/ADCP_tools_lib.pl";
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$USAGE = "$0 @ARGV";
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die("Usage: $0 " .
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'-e) <edit-file> | -x) <expr> ' .
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"<input file> <output file>\n")
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unless (&getopts('e:x:') && @ARGV == 2);
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die("$0: -e <edit-file> or -x <expr> required\n")
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unless (defined($opt_x) || -r $opt_e);
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print(STDERR "Reading $ARGV[0]..."); # read data
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readData($ARGV[0],\%dta);
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print(STDERR "done\n");
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#----------------------------------------------------------------------
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print(STDERR "Editing Data...");
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#--------------------------------------------------
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# Data Editing Library
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#--------------------------------------------------
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sub p($) { $dta{ENSEMBLE}[$e]->{PITCH} = $_[0]; return 1; }
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sub r($) { $dta{ENSEMBLE}[$e]->{ROLL} = $_[0]; return 1; }
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sub h($) { $dta{ENSEMBLE}[$e]->{HEADING} = $_[0]; return 1;}
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sub swap_beams($$)
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{
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my($b1,$b2) = @_;
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# print(STDERR "\n entering swap_beams($b1,$b2) for ens = $e...");
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die("$ARGV[0]: beam-coordinate data required\n")
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unless ($dta{BEAM_COORDINATES});
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for (my($bin)=0; $bin<$dta{N_BINS}; $bin++) {
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my($tmp) = $dta{ENSEMBLE}[$e]->{VELOCITY}[$bin][$b1-1];
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$dta{ENSEMBLE}[$e]->{VELOCITY}[$bin][$b1-1] = $dta{ENSEMBLE}[$e]->{VELOCITY}[$bin][$b2-1];
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$dta{ENSEMBLE}[$e]->{VELOCITY}[$bin][$b2-1] = $tmp;
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$tmp = $dta{ENSEMBLE}[$e]->{CORRELATION}[$bin][$b1-1];
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$dta{ENSEMBLE}[$e]->{CORRELATION}[$bin][$b1-1] = $dta{ENSEMBLE}[$e]->{CORRELATION}[$bin][$b2-1];
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$dta{ENSEMBLE}[$e]->{CORRELATION}[$bin][$b2-1] = $tmp;
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$tmp = $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$bin][$b1-1];
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$dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$bin][$b1-1] = $dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$bin][$b2-1];
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$dta{ENSEMBLE}[$e]->{ECHO_AMPLITUDE}[$bin][$b2-1] = $tmp;
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$tmp = $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$bin][$b1-1];
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$dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$bin][$b1-1] = $dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$bin][$b2-1];
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$dta{ENSEMBLE}[$e]->{PERCENT_GOOD}[$bin][$b2-1] = $tmp;
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}
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return 1;
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}
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{ my($checked);
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sub earth2beam()
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{
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unless ($checked) {
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die("$ARGV[0]: earth-coordinate data required\n")
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unless ($dta{EARTH_COORDINATES});
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$dta{BEAM_COORDINATES} = 1; undef($dta{EARTH_COORDINATES});
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$checked = 1;
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}
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for (my($bin)=0; $bin<$dta{N_BINS}; $bin++) {
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@{$dta{ENSEMBLE}[$e]->{VELOCITY}[$bin]} =
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velEarthToBeam(\%dta,$e,@{$dta{ENSEMBLE}[$e]->{VELOCITY}[$bin]});
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}
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return 1;
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}
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}
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#--------------------------------------------------
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# Main Routine
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#--------------------------------------------------
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if (defined($opt_x)) { # edit instructions on the command line
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push(@EE,'*');
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my($id) = ($opt_x =~ m/^([A-Z]+)\s/); # e.g. PITCH, ROLL, HEADING
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$opt_x = sprintf('$dta{ENSEMBLE}[$e]->{%s}',$id)
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if defined($id);
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push(@EX,$opt_x);
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}
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if (defined($opt_e)) { # edit instructions in edit file
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open(EF,$opt_e) || die("$opt_e: $!\n");
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while (<EF>) {
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s/\#.*//;
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next if m/^\s+$/;
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my($ens,$expr) = m/^\s*(\*|\d+)\s+(.*)$/;
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my($id) = ($expr =~ m/^([A-Z]+)\s/); # e.g. PITCH, ROLL, HEADING
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$expr = sprintf('$dta{ENSEMBLE}[$e]->{%s}',$id)
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if defined($id);
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push(@EE,$ens);
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push(@EX,$expr);
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}
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close(EF);
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}
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for (local($e)=my($eei)=0; $e<@{$dta{ENSEMBLE}}; $e++) { # local() needed for p(), r(), h()
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$dta{ENSEMBLE}[$e]->{DATA_SOURCE_ID} = 0xE0; # mark all ensembles
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if ($EE[$eei] eq '*' || $EE[$eei] == $dta{ENSEMBLE}[$e]->{NUMBER}) { # match => edit
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eval($EX[$eei]) || die("$@ while executing <$EX[$eei]>\n");
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} elsif ($EE[$eei] > $dta{ENSEMBLE}[$e]->{NUMBER}) { # next edit later in file => skip
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next;
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} else { # need next edit
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$eei++;
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last if ($eei >= @EE);
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redo;
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}
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}
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print(STDERR "done\n");
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#----------------------------------------------------------------------
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print(STDERR "Writing $ARGV[1]..."); # write data
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writeData($ARGV[1],\%dta);
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print(STDERR "done\n");
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exit(0);
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