#======================================================================

#                    P L O T _ R E S I D U A L S 1 2 . P L 

#                    doc: Wed Jun  1 19:05:22 2016

#                    dlm: Tue Oct 29 13:14:53 2019

#                    (c) 2016 A.M. Thurnherr

#                    uE-Info: 84 46 NIL 0 0 72 0 2 4 NIL ofnI

#======================================================================

# HISTORY:

#	Jun  1, 2016: - created from [plot_residuals.pl]

#   Oct 29, 2019: - updated psscale -B to gmt5 syntax

require "$ANTS/libGMT.pl";

sub plot_residuals12($)

{

	my($pfn) = @_;

	return unless ($P{max_depth});

	my($xmin) = $P{min_ens}-0.5;

	my($xmax) = $P{max_ens}+0.5;

	my($ymin) = round(antsParam('min_depth')-25,50);

	my($ymax) = ($P{water_depth} > 0) ?

				round($P{water_depth}+25,50) :

				round($P{max_depth}+$P{ADCP_bin_length}+25,50);

	my($ens_width) = 10 / ($P{max_ens} - $P{min_ens} + 1);

	my($bin_length) = 10 * $P{ADCP_bin_length} / 

						($P{max_depth}-$P{min_depth}+$P{ADCP_bin_length});

	my($R) = "-R$xmin/$xmax/$ymin/$ymax";

	GMT_begin($pfn,'-JX10/-10',$R,'-P');

	my($C) = "-C$WCALC/residuals.cpt";

	GMT_psxy("$C -Sr");

		for ($ens=$firstGoodEns; $ens<$LADCP_atbottom; $ens++) {						# downcast

		  next unless numberp($LADCP{ENSEMBLE}[$ens]->{CTD_DEPTH});

		  my(@bindepth) = binDepths($ens);

		  for ($bin=$LADCP_firstBin-1; $bin<=$LADCP_lastBin-1; $bin++) {

			  next unless ($bin+1>=$outGrid_firstBin && $bin+1<=$outGrid_lastBin);

			  next unless numberp($LADCP{ENSEMBLE}[$ens]->{W}[$bin]);

			  next unless numberp($LADCP{ENSEMBLE}[$ens]->{W12}[$bin]);

			  my($bi) = $bindepth[$bin]/$opt_o;

			  printf(GMT "%d %f %f $ens_width $bin_length\n",

				$LADCP{ENSEMBLE}[$ens]->{NUMBER},

				$bindepth[$bin],

				$LADCP{ENSEMBLE}[$ens]->{SSCORRECTED_OCEAN_W12}[$bin] - $DNCAST{MEDIAN_W}[$bi]);

          }

        }

		for ($ens=$LADCP_atbottom; $ens<=$lastGoodEns; $ens++) {					  # upcast 

		  next unless numberp($LADCP{ENSEMBLE}[$ens]->{CTD_DEPTH});

		  my(@bindepth) = binDepths($ens);

		  for ($bin=$LADCP_firstBin-1; $bin<=$LADCP_lastBin-1; $bin++) {

			  next unless ($bin+1>=$outGrid_firstBin && $bin+1<=$outGrid_lastBin);

			  next unless numberp($LADCP{ENSEMBLE}[$ens]->{W}[$bin]);

			  next unless numberp($LADCP{ENSEMBLE}[$ens]->{W12}[$bin]);

			  my($bi) = $bindepth[$bin]/$opt_o;

			  printf(GMT "%d %f %f $ens_width $bin_length\n",

				$LADCP{ENSEMBLE}[$ens]->{NUMBER},

				$bindepth[$bin],

				$LADCP{ENSEMBLE}[$ens]->{SSCORRECTED_OCEAN_W12}[$bin] - $UPCAST{MEDIAN_W}[$bi]);

          }

        }

	if ($P{water_depth} > 0) {															# SEABED

		GMT_psxy('-G204/153/102');

		print(GMT "$xmin $ymax\n$xmax $ymax\n$xmax $P{water_depth}\n $xmin $P{water_depth}\n");

	}

	GMT_unitcoords();																	# LABELS

	GMT_pstext('-F+f9,Helvetica,orange+jTR -N -Gwhite');

        print(GMT "0.99 0.01 V$VERSION\n");

	GMT_pstext('-F+f14,Helvetica,blue+jTL -N');

		print(GMT "0.01 -0.06 $P{out_basename} $P{run_label}\n");

	my($depth_tics) = ($ymax-$ymin < 1000) ? 'f10a100' : 'f100a500';					# AXES

	my($ens_tics) =   ($xmax-$xmin < 4000) ? 'f50a500' : 'f500a2000';

	GMT_setR($R);

	GMT_psbasemap("-B$ens_tics:'Ensemble [#]':/$depth_tics:'Depth [m]':WeSn");

	GMT_setAnnotFontSize(7);															# SCALE BAR

#	GMT_psscale("-Dn0.83/0.1+w3/0.4+e $C -B/:'w<1,2>\@-residual\@-':");

	GMT_psscale("-Dn0.83/0.1+w3/0.4+e $C -By+l'w<1,2>\@-residual\@-'");		 

	GMT_end();																			# FINISH PLOT

}

1; # return true on require