import java.awt.*; import java.awt.event.*; public class RectWaveGuideSpectrumCanvas extends Canvas { //private static final Color bgcolor = new Color(216,216,191); //private static final Color bgcolor = new Color(216,230,230); private static final Cursor cursorA = new Cursor(Cursor.DEFAULT_CURSOR); private static final Cursor cursorB = new Cursor(Cursor.CROSSHAIR_CURSOR); private static final Color bgcolor = Color.black; private static final Color acolor = new Color(152,152,152); private static final Color ccolor = new Color(236,236,236); private Image im; private Graphics buf; private boolean IsTEmode = true; private static final int MaxModes = 11; //Maximum number of modes plotted private static final int LeftMargin=10, RightMargin=10, TopMargin=10, BottomMargin=10, Offset=100; RectWaveGuide_State state; double fMax, fMin; //maximum and miminum frequency range private static final int F_AXIS=150, S_AXIS=80; //y coordinates of Frequency and Spectrum axis //private static final int F_TE_A=18, F_TE_B=35, F_TE_C=52, F_TE_D=69, F_TE_E=86, F_TE_F=103; //y coordinates of Frequency tiers for TE(m,0), TE(0,n), and TE(m,n) //private static final int F_TE_G=120, F_TE_H=137; private static final int F_TE_A=137, F_TE_B=120, F_TE_C=103, F_TE_D=86, F_TE_E=69, F_TE_F=52; //y coordinates of Frequency tiers for TE(m,0), TE(0,n), and TE(m,n) private static final int F_TE_G=35, F_TE_H=18; public RectWaveGuideSpectrumCanvas(RectWaveGuide_State state){ super(); setBackground(bgcolor); this.state = state; //fMax=12.0E9; fMax=18.0E9; fMin=0.0E9; } public void paint(Graphics g){ if(im == null){ im = createImage(getSize().width,getSize().height); buf = im.getGraphics(); drawCanvas(buf); } else{ drawCanvas(buf); } g.drawImage(im,0,0,null); } //Addition to reduce flicker new routine public void update(Graphics g){ // added to avoid clearing paint(g); } public void clear(){ this.getGraphics().clearRect(0,0,getSize().width,getSize().height); repaint(); } private void drawCanvas(Graphics g){ //Draw the black rectangle g.setColor(Color.black); g.fillRect(0,0,getSize().width,getSize().height); //g.setColor(bgcolor.darker()); g.setColor(bgcolor); g.fillRect(0,getSize().height-2,getSize().width,2); g.fillRect(getSize().width-2,0,2,getSize().height); g.setColor(Color.white); g.drawRect(4,4,getSize().width-8,getSize().height-8); drawFrequency(g); drawSpectrum(g); } private void drawFrequency(Graphics g){ int mPos_frequency; mPos_frequency = LeftMargin + (int) ( (getSize().width-LeftMargin-RightMargin)* (state.frequency)/(fMax-fMin) ); //Draw operational frequency g.setColor(Color.yellow); //g.drawLine(mPos_frequency,getSize().height-45,mPos_frequency,getSize().height-110); g.drawLine(mPos_frequency,getSize().height-10,mPos_frequency,5); //Draw the arrow for operational frequency MaestroG.drawArrow(mPos_frequency,getSize().height-15,5,g); //System.out.println(state.frequency+" "+fMax+" "+fMin); } private void drawSpectrum(Graphics g){ int mPos, i, j, spacer, spacer1, spacer2; double my_f; //draw axis drawAxis(g); //draw modes i=0; j=0; spacer = 30; spacer1 = 30; spacer2 = 36; my_f = getModeFrequency(i,j); while(my_f < fMax){ while(my_f < fMax){ mPos = LeftMargin + (int) ( (getSize().width-LeftMargin-RightMargin)* (my_f)/(fMax-fMin) ); g.setColor(Color.white); spacer = 30; spacer1 = 30; spacer2 = 36; if(i!=0 && j==0){//Top Tier has TE(n,0) modes g.drawLine(mPos,F_TE_A+5,mPos,F_TE_A-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_A); } else if(j!=0 && i==0){//Second Tier has TE(0,n) modes g.drawLine(mPos,F_TE_B+5,mPos,F_TE_B-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_B); } if(IsTEmode){ g.setColor(Color.cyan); if(i>=1 && j==1){//Third tier has TE(m,1) modes g.drawLine(mPos,F_TE_C+5,mPos,F_TE_C-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_C); } else if(i==1 && j>=2){//Fourth tier has TE(1,n) modes (no TE(1,0)); g.drawLine(mPos,F_TE_D+5,mPos,F_TE_D-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_D); } else if(i>=2 && j==2){//Fifth tier has TE(m,2) modes g.drawLine(mPos,F_TE_E+5,mPos,F_TE_E-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_E); } else if(i==2 && j>=3 ){//Sixth tier has TE(2,n) modes g.drawLine(mPos,F_TE_F+5,mPos,F_TE_F-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_F); } else if(i>=3 && j==3){//Seventh tier has TE(m,2) modes g.drawLine(mPos,F_TE_G+5,mPos,F_TE_G-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_G); } else if(i==3 && j>=4 ){//Eighth tier has TE(2,n) modes g.drawLine(mPos,F_TE_H+5,mPos,F_TE_H-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-spacer,F_TE_H); } // else if(i+j>=5 && j!=0 && i!=0){//Rest of modes //g.drawLine(mPos,F_TE_H+5,mPos,F_TE_H-10); //MaestroG.subscripter("TE",""+i+","+j,"",g,11,mPos-30,F_TE_H); //} } else{ spacer = 33; spacer1 = 33; spacer2 = 39; g.setColor(Color.green); if(i>=1 && j==1){//Third tier has TE(m,1) modes g.drawLine(mPos,F_TE_C+5,mPos,F_TE_C-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_C); } else if(i==1 && j>=2){//Fourth tier has TE(1,n) modes (no TE(1,0)); g.drawLine(mPos,F_TE_D+5,mPos,F_TE_D-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_D); } else if(i>=2 && j==2){//Fifth tier has TE(m,2) modes g.drawLine(mPos,F_TE_E+5,mPos,F_TE_E-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_E); } else if(i==2 && j>=3 ){//Sixth tier has TE(2,n) modes g.drawLine(mPos,F_TE_F+5,mPos,F_TE_F-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_F); } else if(i>=3 && j==3){//Seventh tier has TE(m,2) modes g.drawLine(mPos,F_TE_G+5,mPos,F_TE_G-10); if(i>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_G); } else if(i==3 && j>=4 ){//Eighth tier has TE(2,n) modes g.drawLine(mPos,F_TE_H+5,mPos,F_TE_H-10); if(j>9){spacer = spacer2;} else{spacer = spacer1;} MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-spacer,F_TE_H); } //else if(i+j>=5 && j!=0 && i!=0){//Rest of modes //g.drawLine(mPos,F_TE_H+5,mPos,F_TE_H-10); //MaestroG.subscripter("TM",""+i+","+j,"",g,11,mPos-30,F_TE_H); //} } j++; my_f = getModeFrequency(i,j); } i++; j=0; my_f = getModeFrequency(i,j); } int mPos_frequency; mPos_frequency = LeftMargin + (int) ( (getSize().width-LeftMargin-RightMargin)* (state.frequency)/(fMax-fMin) ); g.setColor(Color.yellow); int x = mPos_frequency+10; int y = getSize().height-10; double f_normalized; //MaestroG.subscripter("Higher order modes are listed in the Mode Properties panel ( use Mode Selector to scan modes )","","",g,10,20, getSize().height-10); MaestroG.subscripter("Mode Spectrum","","",g,14,20,25); Font normalfont = new Font("SanSerif",Font.PLAIN,12); g.setFont(normalfont); if(state.frequency < 1.0E3){ f_normalized = state.frequency; g.drawString(""+MaestroA.rounder(f_normalized,3)+" Hz",x,y); } else if(state.frequency < 1.0E6 && state.frequency >= 1.0E3 ){ f_normalized = state.frequency/1.0E3; g.drawString(""+MaestroA.rounder(f_normalized,3)+" kHz",x,y); } else if(state.frequency < 1.0E9 && state.frequency >= 1.0E6 ){ f_normalized = state.frequency/1.0E6; g.drawString(""+MaestroA.rounder(f_normalized,3)+" MHz",x,y); } else if(state.frequency < 1.0E12 && state.frequency >= 1.0E9 ){ f_normalized = state.frequency/1.0E9; g.drawString(""+MaestroA.rounder(f_normalized,3)+" GHz",x,y); } else if(state.frequency < 1.0E15 && state.frequency >=1.0E12 ){ f_normalized = state.frequency/1.0E12; g.drawString(""+MaestroA.rounder(f_normalized,3)+" THz",x,y); } else{ f_normalized = state.frequency/1.0E12; g.drawString(""+MaestroA.rounder(f_normalized,3)+" THz",x,y); } } public void drawAxis(Graphics g){ g.setColor(Color.white); g.drawLine(7,F_AXIS,getSize().width-15,F_AXIS); MaestroG.drawArrow(getSize().width-15,F_AXIS,7,g); Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); // Print twice or smoothing makes it too faint on Mac - Mac sucks!!! MaestroG.subscripterSer6("","f","","",g,12,getSize().width-24,F_AXIS+16); MaestroG.subscripterSer6("","f","","",g,12,getSize().width-24,F_AXIS+16); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); MaestroG.subscripter("0","","",g,12,7,F_AXIS+18); g.drawLine(10,F_AXIS-5,10,F_AXIS+5); } /*public void update(Graphics g){ g.clearRect(0,0,getSize().width,getSize().height); drawCanvas(g); }*/ public synchronized void setFmax(double frequency){ this.fMax = frequency+0.2*frequency; } public synchronized void setTE(boolean IsTEmode ){ this.IsTEmode = IsTEmode; } private double getModeFrequency(int i, int j){ double myf; double a, b; a = state.a; b = state.a / state.a_to_b_ratio; myf = (1.0/Math.sqrt(state.epsilon0*state.epsilon_r*state.mu0*state.mu_r))* Math.sqrt( Math.pow((i*Math.PI/a),2.0)+Math.pow((j*Math.PI/b),2.0) )/(2.0*Math.PI); return myf; } }