500 lines
13 KiB
C++
500 lines
13 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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} else {
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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 wxString formatSI ( double x, const wxString& unit, int decimalDigits, double maxValue = 0.0, bool lockSuffix = false, char suffix = 0 )
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{
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const int n_powers = 11;
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const struct { double exponent; char suffix; } powers[] = {
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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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{15, 'P'}
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};
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if ( x== 0.0)
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{
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return wxT("0") + unit;
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}
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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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bool rangeHit;
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if (maxValue != 0.0)
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rangeHit = fabs(maxValue) >= r_cur && fabs(maxValue) < r_cur * 1000.0 ;
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else
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rangeHit = fabs(x) >= r_cur && fabs(x) < r_cur * 1000.0 ;
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if( (!lockSuffix && rangeHit) || (lockSuffix && suffix == powers[i].suffix ) )
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{
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double v = x / r_cur;
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wxString rv;
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rv = formatFloat ( v, decimalDigits );
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if(powers[i].suffix)
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rv += powers[i].suffix;
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rv += unit;
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return rv;
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}
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}
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return wxT("?");
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleX( name, flags, ticks ,type ) {};
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const wxString getLabel( int n )
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{
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printf("%.10f\n", m_labeledTicks[n] );
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return formatSI ( m_labeledTicks[n], wxT("Hz"), 2 );
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleXLog( name, flags, ticks ,type ) {};
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const wxString getLabel( int n )
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{
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printf("%.10f\n", m_labeledTicks[n] );
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return formatSI ( m_labeledTicks[n], wxT("Hz"), 2 );
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleX ( name, flags, ticks ,type ) {};
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const wxString getLabel( int n )
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{
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return formatSI ( m_labeledTicks[n], wxT("s"), 3, AbsVisibleMaxValue() );
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleY ( name, flags, ticks ) {};
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const wxString getLabel( int n )
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{
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return formatSI ( m_labeledTicks[n], wxT("dB"), 1, AbsVisibleMaxValue(), true, 0 );
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleY ( name, flags, ticks ) {};
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const wxString getLabel( int n )
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{
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return formatSI ( m_labeledTicks[n], wxT("\u00B0"), 1, AbsVisibleMaxValue(), true, 0 );
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}
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};
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class VOLTAGE_SCALE : public mpScaleY
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{
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public:
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VOLTAGE_SCALE(wxString name, int flags, bool ticks = false, unsigned int type = 0) :
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mpScaleY ( name, flags, ticks ) {};
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const wxString getLabel( int n )
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{
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return formatSI ( m_labeledTicks[n], wxT("V"), 3, AbsVisibleMaxValue() );
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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, bool ticks = false, unsigned int type = 0) :
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mpScaleY ( name, flags, ticks ) {};
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const wxString getLabel( int n )
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{
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return formatSI ( m_labeledTicks[n], wxT("A"), 3, AbsVisibleMaxValue() );
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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 = 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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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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UpdateReference();
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}
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// Line length in horizontal and vertical dimensions
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const int horLen = aWindow.GetScrX();
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const int verLen = aWindow.GetScrY();
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const wxPoint cursorPos( aWindow.x2p( m_coords.x ), aWindow.y2p( m_coords.y ) );
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aDC.SetPen( wxPen( *wxBLACK, 1, m_continuous ? wxSOLID : wxLONG_DASH ) );
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aDC.DrawLine( -horLen, cursorPos.y, horLen, cursorPos.y );
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aDC.DrawLine( cursorPos.x, -verLen, cursorPos.x, verLen );
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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(96, 96, 96);
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SetColourTheme(*wxBLACK, *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_LIN_SCALE( wxT( "Frequency" ), mpALIGN_BOTTOM );
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m_axis_y1 = new GAIN_SCALE( wxT( "Gain" ), mpALIGN_LEFT );
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m_axis_y2 = new PHASE_SCALE( wxT( "Phase" ), mpALIGN_RIGHT );
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m_axis_y2->SetMasterScale(m_axis_y1);
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break;
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#if 0
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case ST_DC:
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m_axis_x = new mpScaleX( wxT( "voltage [V]" ), mpALIGN_BORDER_BOTTOM );
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m_axis_y1 = new mpScaleY( wxT( "voltage [V]" ), mpALIGN_BORDER_LEFT );
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break;
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case ST_NOISE:
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m_axis_x = new mpScaleX( wxT( "frequency [Hz]" ), mpALIGN_BORDER_BOTTOM );
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m_axis_y1 = new mpScaleY( wxT( "noise [(V or A)^2/Hz]" ), mpALIGN_BORDER_LEFT );
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break;
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#endif
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case ST_TRANSIENT:
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m_axis_x = new TIME_SCALE( wxT( "Time" ), mpALIGN_BOTTOM );
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m_axis_y1 = new VOLTAGE_SCALE( wxT( "Voltage" ), mpALIGN_LEFT );
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m_axis_y2 = new CURRENT_SCALE( wxT( "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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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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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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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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AddLayer( m_legend );
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m_topLevel.push_back( m_legend );
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SetColourTheme(*wxBLACK, *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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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* t = 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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// New entry
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t = new TRACE( aName );
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t->SetPen( wxPen( generateColor(), 2, wxSOLID ) );
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m_traces[aName] = t;
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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*) t );
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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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t = 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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t->SetData( std::vector<double>( aX, aX + aPoints ), tmp );
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if( aFlags & SPT_AC_PHASE )
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t->SetScale( m_axis_x, m_axis_y2 );
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else
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t->SetScale( m_axis_x, m_axis_y1 );
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UpdateAll();
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return addedNewEntry;
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}
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bool SIM_PLOT_PANEL::DeleteTrace( const wxString& aName )
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{
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auto it = m_traces.find( aName );
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if( it != m_traces.end() )
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{
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m_traces.erase( it );
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TRACE* trace = it->second;
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if( CURSOR* cursor = trace->GetCursor() )
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DelLayer( cursor, true );
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DelLayer( trace, true, true );
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return true;
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}
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return false;
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}
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void SIM_PLOT_PANEL::DeleteAllTraces()
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{
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for( auto& t : m_traces )
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{
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DeleteTrace( t.first );
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}
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m_traces.clear();
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}
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bool SIM_PLOT_PANEL::HasCursorEnabled( const wxString& aName ) const
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{
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TRACE* t = GetTrace( aName );
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return t ? t->HasCursor() : false;
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}
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void SIM_PLOT_PANEL::EnableCursor( const wxString& aName, bool aEnable )
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{
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TRACE* t = GetTrace( aName );
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if( t == nullptr || t->HasCursor() == aEnable )
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return;
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if( aEnable )
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{
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CURSOR* c = new CURSOR( t );
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t->SetCursor( c );
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AddLayer( c );
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}
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else
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{
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CURSOR* c = t->GetCursor();
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t->SetCursor( NULL );
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DelLayer( c, true );
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}
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// Notify the parent window about the changes
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wxQueueEvent( GetParent(), new wxCommandEvent( EVT_SIM_CURSOR_UPDATE ) );
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}
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wxColour SIM_PLOT_PANEL::generateColor()
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{
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/// @todo have a look at:
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/// http://stanford.edu/~mwaskom/software/seaborn/tutorial/color_palettes.html
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/// https://github.com/Gnuplotting/gnuplot-palettes
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const unsigned long colors[] = { 0x0000ff, 0x00ff00, 0xff0000, 0x00ffff, 0xff00ff, 0xffff000, 0xffffff };
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//const unsigned long colors[] = { 0xe3cea6, 0xb4781f, 0x8adfb2, 0x2ca033, 0x999afb, 0x1c1ae3, 0x6fbffd, 0x007fff, 0xd6b2ca, 0x9a3d6a };
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// hls
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//const unsigned long colors[] = { 0x0f1689, 0x0f7289, 0x35890f, 0x0f8945, 0x89260f, 0x890f53, 0x89820f, 0x630f89 };
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// pastels, good for dark background
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//const unsigned long colors[] = { 0x2fd8fe, 0x628dfa, 0x53d8a6, 0xa5c266, 0xb3b3b3, 0x94c3e4, 0xca9f8d, 0xac680e };
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const unsigned int colorCount = sizeof(colors) / sizeof(unsigned long);
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/// @todo generate shades to avoid repeating colors
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return wxColour( colors[m_colorIdx++ % colorCount] );
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}
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wxDEFINE_EVENT( EVT_SIM_CURSOR_UPDATE, wxCommandEvent );
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