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package Demeter::UI::Athena::Calibrate;
use strict;
use warnings;
use Wx qw( :everything );
use base 'Wx::Panel';
use Wx::Event qw(EVT_BUTTON EVT_CHOICE EVT_TEXT_ENTER);
use Wx::Perl::TextValidator;
use Demeter::UI::Wx::SpecialCharacters qw(:all);
use Scalar::Util qw(looks_like_number);
use Xray::Absorption;
use vars qw($label $tag);
$label = "Calibrate data";
$tag = 'Calibrate';
my $tcsize = [60,-1];
sub new {
my ($class, $parent, $app) = @_;
my $this = $class->SUPER::new($parent, -1, wxDefaultPosition, wxDefaultSize, wxMAXIMIZE_BOX );
my $box = Wx::BoxSizer->new( wxVERTICAL);
$this->{sizer} = $box;
$this->{parent} = $parent;
my $gbs = Wx::GridBagSizer->new( 5, 5 );
$gbs->Add(Wx::StaticText->new($this, -1, 'Group'), Wx::GBPosition->new(0,0));
$gbs->Add(Wx::StaticText->new($this, -1, 'Display'), Wx::GBPosition->new(1,0));
$gbs->Add(Wx::StaticText->new($this, -1, 'Smoothing'), Wx::GBPosition->new(2,0));
$gbs->Add(Wx::StaticText->new($this, -1, 'E0'), Wx::GBPosition->new(3,0));
$gbs->Add(Wx::StaticText->new($this, -1, 'Calibrate to'), Wx::GBPosition->new(4,0));
$this->{group} = Wx::StaticText->new($this, -1, q{});
$this->{display} = Wx::Choice->new($this, -1, wxDefaultPosition, wxDefaultSize,
["$MU(E)", 'norm(E)', 'deriv(E)', 'second(E)']);
$this->{smooth} = Wx::SpinCtrl->new($this, -1, 0, wxDefaultPosition, $tcsize, wxSP_ARROW_KEYS|wxTE_PROCESS_ENTER, 0, 10);
$this->{e0} = Wx::TextCtrl->new($this, -1, 0, wxDefaultPosition, $tcsize, wxTE_PROCESS_ENTER);
$this->{cal} = Wx::TextCtrl->new($this, -1, 0, wxDefaultPosition, $tcsize, wxTE_PROCESS_ENTER);
$gbs->Add($this->{group}, Wx::GBPosition->new(0,1));
$gbs->Add($this->{display}, Wx::GBPosition->new(1,1));
$gbs->Add($this->{smooth}, Wx::GBPosition->new(2,1));
$gbs->Add($this->{e0}, Wx::GBPosition->new(3,1));
$gbs->Add($this->{cal}, Wx::GBPosition->new(4,1));
$box -> Add($gbs, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 5);
$this->{select} = Wx::Button->new($this, -1, 'Select a point', wxDefaultPosition, $tcsize);
$this->{zero} = Wx::Button->new($this, -1, 'Find zero crossing', wxDefaultPosition, $tcsize);
$this->{replot} = Wx::Button->new($this, -1, 'Replot', wxDefaultPosition, $tcsize);
$this->{calibrate} = Wx::Button->new($this, -1, 'Calibrate', wxDefaultPosition, $tcsize);
$box -> Add($this->{$_}, 0, wxGROW|wxALL, 5) foreach (qw(select zero replot calibrate));
EVT_CHOICE($this, $this->{display}, sub{$this->{zero}->Enable($this->{display}->GetSelection == 3); $this->plot($app->current_data)});
EVT_BUTTON($this, $this->{replot}, sub{$this->plot($app->current_data)});
EVT_BUTTON($this, $this->{zero}, sub{OnFindZeroCrossing(@_, $app)});
EVT_BUTTON($this, $this->{select}, sub{Pluck(@_, $app)});
EVT_BUTTON($this, $this->{calibrate}, sub{OnCalibrate(@_, $app)});
foreach my $x (qw(smooth e0 cal)) {
EVT_TEXT_ENTER($this, $this->{$x}, sub{$this->plot($app->current_data)});
};
$this->{e0} -> SetValidator( Wx::Perl::TextValidator->new( qr([-0-9.]) ) );
$this->{cal} -> SetValidator( Wx::Perl::TextValidator->new( qr([-0-9.]) ) );
$box->Add(1,1,1);
$this->{document} = Wx::Button->new($this, -1, 'Document section: calibrate');
$box -> Add($this->{document}, 0, wxGROW|wxALL, 2);
EVT_BUTTON($this, $this->{document}, sub{ $app->document("process.cal")});
$this->{display}->SetSelection(2);
$this->{zero}->Enable(0);
$app->{lastplot}=['E', 'single'];
$this->SetSizerAndFit($box);
return $this;
};
sub pull_values {
my ($this, $data) = @_;
1;
};
sub push_values {
my ($this, $data) = @_;
$this->{group}->SetLabel($data->name);
$this->{e0}->SetValue($data->bkg_e0);
$this->{save} = $data->bkg_e0;
$this->{cal}->SetValue(Xray::Absorption->get_energy($data->bkg_z, $data->fft_edge));
$this->Enable(1);
if ($data->datatype eq 'chi') {
$this->Enable(0);
return;
};
return if $::app->{plotting};
$this->plot($data);
1;
};
sub mode {
my ($this, $data, $enabled, $frozen) = @_;
1;
};
sub OnFindZeroCrossing {
my ($this, $event, $app) = @_;
my $data = $app->current_data;
$data->e0('zero');
$this->{e0}->SetValue($data->bkg_e0);
$this->plot($data);
};
sub OnCalibrate {
my ($this, $event, $app) = @_;
if (not looks_like_number($this->{cal}->GetValue)) {
$::app->{main}->status("Not calibrating -- your calibration value is not a number!", 'error|nobuffer');
return;
};
my $data = $app->current_data;
my $shift = sprintf("%.3f", $this->{cal}->GetValue - $data->bkg_e0 + $data->bkg_eshift);
$data->bkg_eshift($shift);
$data->bkg_e0($this->{cal}->GetValue);
$this->{e0}->SetValue($data->bkg_e0);
$app->{main}->status("Calbrated, setting e0 to ".$data->bkg_e0." and the energy shift to ".$data->bkg_eshift);
$::app->modified(1);
};
sub plot {
my ($this, $data) = @_;
if (not looks_like_number($this->{e0}->GetValue)) {
$::app->{main}->status("Not plotting -- your e0 value is not a number!", 'error|nobuffer');
return;
};
my $save = $data->po->e_smooth;
$data->bkg_e0($this->{e0}->GetValue);
$data->po->set(emin=>-30, emax=>50, e_smooth=>$this->{smooth}->GetValue);
$data->po->set(e_mu=>1, e_markers=>1, e_bkg=>0, e_pre=>0, e_post=>0, e_norm=>0, e_der=>0, e_sec=>0, e_i0=>0, e_signal=>0);
$data->po->e_norm(1) if ($this->{display}->GetSelection == 1);
$data->po->e_der(1) if ($this->{display}->GetSelection == 2);
$data->po->e_sec(1) if ($this->{display}->GetSelection == 3);
$data->po->start_plot;
$data->plot('e');
$data->po->set(e_smooth=>$save);
};
sub Pluck {
my ($this, $event, $app) = @_;
my $on_screen = lc($app->{lastplot}->[0]);
if ($on_screen ne 'e') {
$this->plot($app->current_data);
};
my ($ok, $x, $y) = $app->cursor;
if (not $ok) {
$app->{main}->status("Failed to pluck a point from the plot.");
return;
};
$this->{e0}->SetValue($x);
$app->current_data->bkg_e0($x);
$this->plot($app->current_data);
$app->{main}->status("Plucked $x as the new E0 value.");
};
1;
=head1 NAME
Demeter::UI::Athena::Calibrate - A calibration tool for Athena
=head1 VERSION
This documentation refers to Demeter version 0.9.26.
=head1 SYNOPSIS
This module provides controls for calibrating mu(E) data. Calibration
is the process of picking an edge energy and assigning a specific
value to that point. As a consequence, calibration sets the C<bkg_e0>
and C<bkg_eshift> attributes of the data object.
=head1 CONFIGURATION
This simple tool has co configuration parameters.
=head1 DEPENDENCIES
Demeter's dependencies are in the F<Build.PL> file.
=head1 BUGS AND LIMITATIONS
=over 4
=item *
Need to disable controls for chi(k) and frozen groups.
=back
Please report problems to the Ifeffit Mailing List
(L<http://cars9.uchicago.edu/mailman/listinfo/ifeffit/>)
Patches are welcome.
=head1 AUTHOR
Bruce Ravel, L<http://bruceravel.github.io/home>
L<http://bruceravel.github.io/demeter/>
=head1 LICENCE AND COPYRIGHT
Copyright (c) 2006-2019 Bruce Ravel (L<http://bruceravel.github.io/home>). All rights reserved.
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See L<perlgpl>.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
=cut
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