681 lines
17 KiB
C++
681 lines
17 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2016 CERN
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* https://www.gnu.org/licenses/gpl-3.0.html
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* or you may search the http://www.gnu.org website for the version 3 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "sim_plot_panel.h"
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#include <algorithm>
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#include <limits>
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static wxString formatFloat( double x, int nDigits )
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{
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wxString rv, fmt;
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if( nDigits )
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{
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fmt = wxT( "%.0Nf" );
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fmt[3] = '0' + nDigits;
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}
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else
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{
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fmt = wxT( "%.0f" );
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}
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rv.Printf( fmt, x );
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return rv;
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}
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static void getSISuffix( double x, const wxString& unit, int& power, wxString& suffix )
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{
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const int n_powers = 11;
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const struct
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{
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double exponent;
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char suffix;
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} powers[] =
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{
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{ -18, 'a' },
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{ -15, 'f' },
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{ -12, 'p' },
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{ -9, 'n' },
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{ -6, 'u' },
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{ -3, 'm' },
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{ 0, 0 },
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{ 3, 'k' },
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{ 6, 'M' },
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{ 9, 'G' },
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{ 12, 'T' },
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{ 14, 'P' }
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};
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power = 0;
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suffix = unit;
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if( x == 0.0 )
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return;
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for( int i = 0; i < n_powers - 1; i++ )
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{
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double r_cur = pow( 10, powers[i].exponent );
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if( fabs( x ) >= r_cur && fabs( x ) < r_cur * 1000.0 )
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{
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power = powers[i].exponent;
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if( powers[i].suffix )
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suffix = wxString( powers[i].suffix ) + unit;
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else
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suffix = unit;
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return;
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}
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}
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}
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static int countDecimalDigits( double x, int maxDigits )
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{
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int64_t k = (int)( ( x - floor( x ) ) * pow( 10.0, (double) maxDigits ) );
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int n = 0;
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while( k && ( ( k % 10LL ) == 0LL || ( k % 10LL ) == 9LL ) )
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{
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k /= 10LL;
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}
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n = 0;
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while( k != 0LL )
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{
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n++;
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k /= 10LL;
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}
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return n;
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}
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static void formatSILabels( mpScaleBase* scale, const wxString& aUnit, int nDigits )
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{
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double maxVis = scale->AbsVisibleMaxValue();
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wxString suffix;
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int power, digits = 0;
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getSISuffix( maxVis, aUnit, power, suffix );
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double sf = pow( 10.0, power );
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for( auto &l : scale->TickLabels() )
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{
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int k = countDecimalDigits( l.pos / sf, nDigits );
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digits = std::max( digits, k );
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}
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for( auto &l : scale->TickLabels() )
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{
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l.label = formatFloat ( l.pos / sf, digits ) + suffix;
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l.visible = true;
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}
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}
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class FREQUENCY_LOG_SCALE : public mpScaleXLog
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{
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public:
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FREQUENCY_LOG_SCALE( wxString name, int flags ) :
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mpScaleXLog( name, flags ) {};
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void formatLabels() override
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{
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const wxString unit = wxT( "Hz" );
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wxString suffix;
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int power;
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for( auto &l : TickLabels() )
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{
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getSISuffix( l.pos, unit, power, suffix );
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double sf = pow( 10.0, power );
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int k = countDecimalDigits( l.pos / sf, 3 );
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l.label = formatFloat( l.pos / sf, k ) + suffix;
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l.visible = true;
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}
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}
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};
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class FREQUENCY_LIN_SCALE : public mpScaleX
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{
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public:
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FREQUENCY_LIN_SCALE( wxString name, int flags ) :
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mpScaleX( name, flags, false , 0 ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "Hz" ), 3 );
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}
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};
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class TIME_SCALE : public mpScaleX
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{
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public:
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TIME_SCALE( wxString name, int flags ) :
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mpScaleX( name, flags, false, 0 ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "s" ), 3 );
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}
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};
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class VOLTAGE_SCALE_X : public mpScaleX
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{
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public:
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VOLTAGE_SCALE_X( wxString name, int flags ) :
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mpScaleX( name, flags, false, 0 ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "V" ), 3 );
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}
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};
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class GAIN_SCALE : public mpScaleY
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{
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public:
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GAIN_SCALE( wxString name, int flags ) :
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mpScaleY( name, flags, false ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "dBV" ), 3 );
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}
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};
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class PHASE_SCALE : public mpScaleY
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{
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public:
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PHASE_SCALE( wxString name, int flags ) :
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mpScaleY( name, flags, false ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "\u00B0" ), 3 ); // degree sign
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}
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};
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class VOLTAGE_SCALE_Y : public mpScaleY
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{
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public:
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VOLTAGE_SCALE_Y( wxString name, int flags ) :
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mpScaleY( name, flags, false ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "V" ), 3 );
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}
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};
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class CURRENT_SCALE : public mpScaleY
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{
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public:
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CURRENT_SCALE( wxString name, int flags ) :
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mpScaleY( name, flags, false ) {};
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void formatLabels() override
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{
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formatSILabels( this, wxT( "A" ), 3 );
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}
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};
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void CURSOR::Plot( wxDC& aDC, mpWindow& aWindow )
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{
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if( !m_window )
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m_window = &aWindow;
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if( !m_visible )
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return;
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const auto& dataX = m_trace->GetDataX();
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const auto& dataY = m_trace->GetDataY();
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if( dataX.size() <= 1 )
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return;
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if( m_updateRequired )
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{
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m_coords.x = m_trace->s2x( aWindow.p2x( m_dim.x ) );
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// Find the closest point coordinates
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auto maxXIt = std::upper_bound( dataX.begin(), dataX.end(), m_coords.x );
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int maxIdx = maxXIt - dataX.begin();
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int minIdx = maxIdx - 1;
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// Out of bounds checks
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if( minIdx < 0 )
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{
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minIdx = 0;
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maxIdx = 1;
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m_coords.x = dataX[0];
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}
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else if( maxIdx >= (int) dataX.size() )
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{
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maxIdx = dataX.size() - 1;
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minIdx = maxIdx - 1;
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m_coords.x = dataX[maxIdx];
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}
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const double leftX = dataX[minIdx];
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const double rightX = dataX[maxIdx];
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const double leftY = dataY[minIdx];
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const double rightY = dataY[maxIdx];
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// Linear interpolation
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m_coords.y = leftY + ( rightY - leftY ) / ( rightX - leftX ) * ( m_coords.x - leftX );
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m_updateRequired = false;
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// Notify the parent window about the changes
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wxQueueEvent( aWindow.GetParent(), new wxCommandEvent( EVT_SIM_CURSOR_UPDATE ) );
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}
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else
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{
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m_updateRef = true;
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}
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if( m_updateRef )
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{
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UpdateReference();
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m_updateRef = false;
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}
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// Line length in horizontal and vertical dimensions
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const wxPoint cursorPos( aWindow.x2p( m_trace->x2s( m_coords.x ) ),
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aWindow.y2p( m_trace->y2s( m_coords.y ) ) );
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wxCoord leftPx = m_drawOutsideMargins ? 0 : aWindow.GetMarginLeft();
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wxCoord rightPx = m_drawOutsideMargins ? aWindow.GetScrX() : aWindow.GetScrX() - aWindow.GetMarginRight();
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wxCoord topPx = m_drawOutsideMargins ? 0 : aWindow.GetMarginTop();
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wxCoord bottomPx = m_drawOutsideMargins ? aWindow.GetScrY() : aWindow.GetScrY() - aWindow.GetMarginBottom();
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aDC.SetPen( wxPen( *wxWHITE, 1, m_continuous ? wxPENSTYLE_SOLID : wxPENSTYLE_LONG_DASH ) );
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if( topPx < cursorPos.y && cursorPos.y < bottomPx )
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aDC.DrawLine( leftPx, cursorPos.y, rightPx, cursorPos.y );
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if( leftPx < cursorPos.x && cursorPos.x < rightPx )
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aDC.DrawLine( cursorPos.x, topPx, cursorPos.x, bottomPx );
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}
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bool CURSOR::Inside( wxPoint& aPoint )
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{
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if( !m_window )
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return false;
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return ( std::abs( (double) aPoint.x - m_window->x2p( m_trace->x2s( m_coords.x ) ) ) <= DRAG_MARGIN )
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|| ( std::abs( (double) aPoint.y - m_window->y2p( m_trace->y2s( m_coords.y ) ) ) <= DRAG_MARGIN );
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}
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void CURSOR::UpdateReference()
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{
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if( !m_window )
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return;
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m_reference.x = m_window->x2p( m_trace->x2s( m_coords.x ) );
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m_reference.y = m_window->y2p( m_trace->y2s( m_coords.y ) );
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}
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SIM_PLOT_PANEL::SIM_PLOT_PANEL( SIM_TYPE aType, wxWindow* parent, wxWindowID id, const wxPoint& pos,
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const wxSize& size, long style, const wxString& name )
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: mpWindow( parent, id, pos, size, style ), m_colorIdx( 0 ),
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m_axis_x( nullptr ), m_axis_y1( nullptr ), m_axis_y2( nullptr ), m_type( aType )
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{
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LimitView( true );
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SetMargins( 50, 80, 50, 80 );
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wxColour grey( 130, 130, 130 );
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wxColour dark( 10, 10, 10 );
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SetColourTheme( dark, *wxWHITE, grey );
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EnableDoubleBuffer( true );
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UpdateAll();
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switch( m_type )
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{
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case ST_AC:
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m_axis_x = new FREQUENCY_LOG_SCALE( _( "Frequency" ), mpALIGN_BOTTOM );
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m_axis_y1 = new GAIN_SCALE( _( "Gain" ), mpALIGN_LEFT );
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m_axis_y2 = new PHASE_SCALE( _( "Phase" ), mpALIGN_RIGHT );
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m_axis_y2->SetMasterScale( m_axis_y1 );
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break;
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case ST_DC:
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m_axis_x = new VOLTAGE_SCALE_X( _( "Voltage (swept)" ), mpALIGN_BOTTOM );
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m_axis_y1 = new VOLTAGE_SCALE_Y( _( "Voltage (measured)" ), mpALIGN_LEFT );
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m_axis_y2 = new CURRENT_SCALE( _( "Current" ), mpALIGN_RIGHT );
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break;
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case ST_NOISE:
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m_axis_x = new FREQUENCY_LOG_SCALE( _( "Frequency" ), mpALIGN_BOTTOM );
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m_axis_y1 = new mpScaleY( _( "noise [(V or A)^2/Hz]" ), mpALIGN_LEFT );
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break;
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case ST_TRANSIENT:
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m_axis_x = new TIME_SCALE( _( "Time" ), mpALIGN_BOTTOM );
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m_axis_y1 = new VOLTAGE_SCALE_Y( _( "Voltage" ), mpALIGN_LEFT );
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m_axis_y2 = new CURRENT_SCALE( _( "Current" ), mpALIGN_RIGHT );
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m_axis_y2->SetMasterScale( m_axis_y1 );
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break;
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default:
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// suppress warnings
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break;
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}
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if( m_axis_x )
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{
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m_axis_x->SetTicks( false );
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m_axis_x->SetNameAlign ( mpALIGN_BOTTOM );
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AddLayer( m_axis_x );
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}
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if( m_axis_y1 )
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{
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m_axis_y1->SetTicks( false );
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m_axis_y1->SetNameAlign ( mpALIGN_LEFT );
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AddLayer( m_axis_y1 );
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}
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if( m_axis_y2 )
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{
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m_axis_y2->SetTicks( false );
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m_axis_y2->SetNameAlign ( mpALIGN_RIGHT );
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AddLayer( m_axis_y2 );
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}
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m_legend = new mpInfoLegend( wxRect( 0, 40, 200, 40 ), wxTRANSPARENT_BRUSH );
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m_legend->SetVisible( false );
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AddLayer( m_legend );
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m_topLevel.push_back( m_legend );
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SetColourTheme( dark, *wxWHITE, grey );
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EnableDoubleBuffer( true );
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UpdateAll();
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}
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SIM_PLOT_PANEL::~SIM_PLOT_PANEL()
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{
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// ~mpWindow destroys all the added layers, so there is no need to destroy m_traces contents
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}
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bool SIM_PLOT_PANEL::IsPlottable( SIM_TYPE aSimType )
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{
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switch( aSimType )
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{
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case ST_AC:
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case ST_DC:
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case ST_TRANSIENT:
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return true;
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default:
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return false;
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}
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}
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void SIM_PLOT_PANEL::UpdateTraceStyle( TRACE* trace )
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{
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int flags = trace->GetFlags();
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wxPenStyle penStyle = ( ( flags & SPT_AC_PHASE || flags & SPT_CURRENT ) && m_dotted_cp ) ?
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wxPENSTYLE_DOT :
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wxPENSTYLE_SOLID;
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trace->SetPen( wxPen( trace->GetTraceColour(), 2, penStyle ) );
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}
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bool SIM_PLOT_PANEL::AddTrace( const wxString& aName, int aPoints,
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const double* aX, const double* aY, SIM_PLOT_TYPE aFlags )
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{
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TRACE* trace = NULL;
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// Find previous entry, if there is one
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auto prev = m_traces.find( aName );
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bool addedNewEntry = ( prev == m_traces.end() );
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if( addedNewEntry )
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{
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if( m_type == ST_TRANSIENT )
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{
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bool hasVoltageTraces = false;
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for( const auto& tr : m_traces )
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{
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if( !( tr.second->GetFlags() & SPT_CURRENT ) )
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{
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hasVoltageTraces = true;
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break;
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}
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}
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if( !hasVoltageTraces )
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m_axis_y2->SetMasterScale( nullptr );
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else
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m_axis_y2->SetMasterScale( m_axis_y1 );
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}
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// New entry
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trace = new TRACE( aName );
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trace->SetTraceColour( generateColor() );
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UpdateTraceStyle( trace );
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m_traces[aName] = trace;
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// It is a trick to keep legend & coords always on the top
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for( mpLayer* l : m_topLevel )
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DelLayer( l );
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AddLayer( (mpLayer*) trace );
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for( mpLayer* l : m_topLevel )
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AddLayer( l );
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}
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else
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{
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trace = prev->second;
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}
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std::vector<double> tmp( aY, aY + aPoints );
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if( m_type == ST_AC )
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{
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if( aFlags & SPT_AC_PHASE )
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{
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for( int i = 0; i < aPoints; i++ )
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tmp[i] = tmp[i] * 180.0 / M_PI; // convert to degrees
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}
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else
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{
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for( int i = 0; i < aPoints; i++ )
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tmp[i] = 20 * log( tmp[i] ) / log( 10.0 ); // convert to dB
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}
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}
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trace->SetData( std::vector<double>( aX, aX + aPoints ), tmp );
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if( aFlags & SPT_AC_PHASE || aFlags & SPT_CURRENT )
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trace->SetScale( m_axis_x, m_axis_y2 );
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else
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trace->SetScale( m_axis_x, m_axis_y1 );
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trace->SetFlags( aFlags );
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UpdateAll();
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|
|
return addedNewEntry;
|
|
}
|
|
|
|
|
|
bool SIM_PLOT_PANEL::DeleteTrace( const wxString& aName )
|
|
{
|
|
auto it = m_traces.find( aName );
|
|
|
|
if( it != m_traces.end() )
|
|
{
|
|
TRACE* trace = it->second;
|
|
m_traces.erase( it );
|
|
|
|
if( CURSOR* cursor = trace->GetCursor() )
|
|
DelLayer( cursor, true );
|
|
|
|
DelLayer( trace, true, true );
|
|
ResetScales();
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void SIM_PLOT_PANEL::DeleteAllTraces()
|
|
{
|
|
for( auto& t : m_traces )
|
|
{
|
|
DeleteTrace( t.first );
|
|
}
|
|
|
|
m_colorIdx = 0;
|
|
m_traces.clear();
|
|
}
|
|
|
|
|
|
bool SIM_PLOT_PANEL::HasCursorEnabled( const wxString& aName ) const
|
|
{
|
|
TRACE* t = GetTrace( aName );
|
|
|
|
return t ? t->HasCursor() : false;
|
|
}
|
|
|
|
|
|
void SIM_PLOT_PANEL::EnableCursor( const wxString& aName, bool aEnable )
|
|
{
|
|
TRACE* t = GetTrace( aName );
|
|
|
|
if( t == nullptr || t->HasCursor() == aEnable )
|
|
return;
|
|
|
|
if( aEnable )
|
|
{
|
|
CURSOR* c = new CURSOR( t );
|
|
int plotCenter = GetMarginLeft() + ( GetXScreen() - GetMarginLeft() - GetMarginRight() ) / 2;
|
|
c->SetX( plotCenter );
|
|
t->SetCursor( c );
|
|
AddLayer( c );
|
|
}
|
|
else
|
|
{
|
|
CURSOR* c = t->GetCursor();
|
|
t->SetCursor( NULL );
|
|
DelLayer( c, true );
|
|
}
|
|
|
|
// Notify the parent window about the changes
|
|
wxQueueEvent( GetParent(), new wxCommandEvent( EVT_SIM_CURSOR_UPDATE ) );
|
|
}
|
|
|
|
|
|
void SIM_PLOT_PANEL::ResetScales()
|
|
{
|
|
if( m_axis_x )
|
|
m_axis_x->ResetDataRange();
|
|
|
|
if( m_axis_y1 )
|
|
m_axis_y1->ResetDataRange();
|
|
|
|
if( m_axis_y2 )
|
|
m_axis_y2->ResetDataRange();
|
|
|
|
for( auto t : m_traces )
|
|
t.second->UpdateScales();
|
|
}
|
|
|
|
|
|
wxColour SIM_PLOT_PANEL::generateColor()
|
|
{
|
|
/// @todo have a look at:
|
|
/// http://stanford.edu/~mwaskom/software/seaborn/tutorial/color_palettes.html
|
|
/// https://github.com/Gnuplotting/gnuplot-palettes
|
|
|
|
// const unsigned long colors[] = { 0x0000ff, 0x00ff00, 0xff0000, 0x00ffff, 0xff00ff, 0xffff000, 0xffffff };
|
|
|
|
const unsigned long colors[] = { 0xE41A1C, 0x377EB8, 0x4DAF4A, 0x984EA3, 0xFF7F00, 0xFFFF33, 0xA65628, 0xF781BF,
|
|
0x66C2A5, 0xFC8D62, 0x8DA0CB, 0xE78AC3, 0xA6D854, 0xFFD92F, 0xE5C494, 0xB3B3B3 };
|
|
|
|
//const unsigned long colors[] = { 0xe3cea6, 0xb4781f, 0x8adfb2, 0x2ca033, 0x999afb, 0x1c1ae3, 0x6fbffd, 0x007fff, 0xd6b2ca, 0x9a3d6a };
|
|
|
|
// hls
|
|
//const unsigned long colors[] = { 0x0f1689, 0x0f7289, 0x35890f, 0x0f8945, 0x89260f, 0x890f53, 0x89820f, 0x630f89 };
|
|
|
|
// pastels, good for dark background
|
|
//const unsigned long colors[] = { 0x2fd8fe, 0x628dfa, 0x53d8a6, 0xa5c266, 0xb3b3b3, 0x94c3e4, 0xca9f8d, 0xac680e };
|
|
|
|
const unsigned int colorCount = sizeof(colors) / sizeof(unsigned long);
|
|
|
|
for( int i = 0; i < (int)colorCount - 1; i++ )
|
|
{
|
|
const wxColour color = wxColour( colors[i] );
|
|
bool hasColor = false;
|
|
for( auto& t : m_traces )
|
|
{
|
|
TRACE* trace = t.second;
|
|
if( trace->GetTraceColour() == color )
|
|
{
|
|
hasColor = true;
|
|
break;
|
|
}
|
|
}
|
|
if( !hasColor )
|
|
return color;
|
|
}
|
|
return wxColour( colors[m_traces.size() % colorCount] );
|
|
}
|
|
|
|
wxDEFINE_EVENT( EVT_SIM_CURSOR_UPDATE, wxCommandEvent );
|