// NewGuideCanvas.java import java.awt.*; import java.awt.geom.*; import java.awt.event.*; public class NewGuideCanvas extends Canvas implements MouseListener{ private static final Color bgcolor2 = new Color(255,255,250); private static final Color bgcolor = Color.white; private int LeftMargin, RightMargin, TopMargin, BottomMargin; private Font labfont; private Font symbfont; private Font symbfont2; private Font labfont2; private Font labfont4; private Font labfont3; private int x[], y[]; private double frequency, epsilon_r, epsilon_r0, mu_r, phase_velocity, phase_velocity0; private double DipoleLength_lambda, wavelength, radius_lambda; private static final double epsilon0 = 8.8541878176E-12; //Units: F/m private static final double mu0 = 1.25663706144E-6; //Units H/m //private static final double light_velocity = Math.sqrt(1.0/(epsilon0*mu0)); // Units m/s private static final double light_velocity = 3.0E8; // Units m/s - simplified private Image im; private Graphics buf; private String stmp; private double temp; private boolean IsFocusOn, IsTopoOn; public boolean Is3D; NewGuide_State state; public NewGuideCanvas(NewGuide_State state){ super(); this.state = state; LeftMargin = state.s20; RightMargin = state.s10; TopMargin = state.s10; BottomMargin = state.s10; labfont = new Font("SanSerif",Font.PLAIN,state.font10); symbfont= new Font("Serif",Font.PLAIN,state.font12); symbfont2= new Font("Serif",Font.PLAIN,state.font14); labfont2= new Font("Serif",Font.BOLD,state.font16); labfont4= new Font("Serif",Font.PLAIN,state.font12); labfont3 = new Font("SanSerif",Font.PLAIN,state.font12); IsFocusOn = false; IsTopoOn = false; setBackground(bgcolor); x = new int[5]; y = new int[5]; //Listeners this.addMouseListener(this); epsilon_r = 1.0; epsilon_r0 = 1.0; mu_r = 1.0; frequency = 1.0E9; DipoleLength_lambda = 0.5; radius_lambda = 1.0E-5; Is3D = true; wavelength = light_velocity/frequency/Math.sqrt(epsilon_r); } public void drawCanvas(Graphics g){ setBackground(bgcolor2); g.clearRect(0,0,getSize().width,getSize().height); g.setColor(Color.black); draw3D(g); } private void drawWire(int x1, int y1, int x2, int y2, int mode, Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.gray); g.drawLine(x1,y1,x2,y2); if(mode==1){ g.setColor(Color.black); g.drawLine(x1,y1+1,x2,y2+1); } else if(mode==2){ g.setColor(Color.black); g.drawLine(x1+1,y1,x2+1,y2); } } private void draw3DRect(int x, int y, int width, int height, Color c, Graphics g){ g.setColor(c); g.fillRect(x-width/2,y-height/2,width,height); //g.setColor(Color.white); g.setColor(Color.gray); g.drawLine(x-width/2,y-height/2,x+width/2,y-height/2); g.drawLine(x-width/2,y-height/2,x-width/2,y+height/2); g.setColor(Color.black); g.drawLine(x-width/2,y+height/2,x+width/2,y+height/2); g.drawLine(x+width/2,y-height/2,x+width/2,y+height/2); } private void drawRect(int x, int y, int width, int height, Color c, Graphics g){ g.setColor(c); g.fillRect(x-width/2,y-height/2,width,height); } private void drawCircle(int x, int y, int radius, Color c, Graphics g){ g.setColor(c); g.fillOval(x-radius,y-radius,2*radius,2*radius); //g.setColor(Color.white); g.setColor(Color.gray); g.drawOval(x-radius,y-radius,2*radius,2*radius); g.setColor(Color.black); g.drawArc(x-radius-1,y-radius-1,2*radius+2,2*radius+2,30,-120); } private void draw3D(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //Draw the background g.setColor(Color.black); //set the arrays x[0] = getSize().width/2 - state.s30; x[1] = x[0] - state.s7; x[2] = getSize().width - state.s50; y[0] = getSize().height - state.s20; y[1] = getSize().height/2; g.clearRect(0,0,getSize().width-1,getSize().height-1); //---------------------------------------------------------- g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,state.font12)); int xf = x[0] + state.s10; int yf = getSize().height - state.s15; double f_normalized; int fonto = state.font14; if(frequency < 1.0E3){ f_normalized = frequency; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ Hz ]","",g,fonto,xf,yf); } else if(frequency < 1.0E6 && frequency >= 1.0E3 ){ f_normalized = frequency/1.0E3; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ kHz ]","",g,fonto,xf,yf); } else if(frequency < 1.0E9 && frequency >= 1.0E6 ){ f_normalized = frequency/1.0E6; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ MHz ]","",g,fonto,xf,yf); } else if(frequency < 1.0E12 && frequency >= 1.0E9 ){ f_normalized = frequency/1.0E9; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ GHz ]","",g,fonto,xf,yf); } else if(frequency < 1.0E15 && frequency >= 1.0E12 ){ f_normalized = frequency/1.0E12; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ THz ]","",g,fonto,xf,yf); } else{ f_normalized = frequency/1.0E12; MaestroG.special("","f"," = "+MaestroA.rounder(f_normalized,6)+" [ THz ]","",g,fonto,xf,yf); } //----------------------------------------------------------------------------------- String lambda, rho; g.setFont(symbfont2); g.getFontMetrics(); lambda="\u03bb"; rho ="\u03c1"; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.blue); g.setFont(new Font("Serif",Font.ITALIC,state.font16)); g.getFontMetrics(); g.drawString("d",x[0] + state.s30,state.s25); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setFont(new Font("Serif",Font.PLAIN,state.font16)); g.getFontMetrics(); g.drawString(" = "+MaestroA.rounder(DipoleLength_lambda,4)+" "+lambda,x[0]+state.s30,state.s25); if(IsFocusOn){ // this is disabled here } else{ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //Arc for theta int xCenter = x[0]; int yCenter = y[1]; int Radius = state.s25; int beginAngle = 0; int Angle = -30; int raio = 2*Radius; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); // theta angle arc g.setColor(Color.cyan); g.fillArc(xCenter-Radius,yCenter-Radius,raio,raio,beginAngle,Angle); g.setColor(Color.black); g.drawArc(xCenter-Radius,yCenter-Radius,raio,raio,beginAngle,Angle); // theta angle symbol g.setColor(Color.blue); g.setFont(new Font("Serif",Font.ITALIC,state.font18)); g.drawString("\u03b8",x[0]+state.s40,y[1]+state.s18); g.setFont(new Font("SanSerif",Font.PLAIN,state.font12)); g.setColor(Color.black); int endpoint = state.s75; //draw antenna ---------------------------------------------------- //draw paraboloid profile - just paint an arc //drawArcThick(g, (double)(xCenter-endpoint/3), (double)(yCenter-endpoint), (double)(2*endpoint)*5.0/10.0, (double)(2*endpoint), 110.0, 140.0, state.s3, Color.lightGray); //Better parapoloid profile with arc + lines int xforw = -state.s20; int xmid = x[1]; int ymid = yCenter; //(double)(50*getSize().height/100); int Raggio = state.s100; int Raggio3 = state.s122; int Raggio2 = state.s70; MaestroG.drawArcThick(g, (double)(xmid+xforw-state.s2), (double)(ymid-Raggio3/2), (double)Raggio2, (double)Raggio3, 133.0, 92.0, state.s2, Color.gray.brighter()); g.setColor(Color.white); // remove unwanted part of arc //g.fillRect(30*getSize().width/100+state.s37+xforw, ymid-44*Raggio/100-state.s30, state.s19, state.s150); // short lines tangent to arc to simulate paraboloid shape MaestroG.drawLineThick(g, xmid+state.s7+xforw, (double)ymid-44*Raggio/100, xmid+state.s25+xforw, (double)ymid-44*Raggio/100 - state.s30, state.s2, Color.gray.brighter()); MaestroG.drawLineThick(g, xmid+state.s7+xforw, (double)ymid+44*Raggio/100, xmid+state.s25+xforw, (double)ymid+44*Raggio/100 + state.s30, state.s2, Color.gray.brighter()); //g.setColor(Color.pink); //g.fillRect(30*getSize().width/100+state.s18+xforw, y[0]-state.s20, state.s50, state.s180); //draw axes g.setColor(Color.black); g.drawLine(x[0],state.s20,x[0],y[0]); //MaestroG.drawArrow(x[0],state.s20,5,g); MaestroG.drawArrowScaled(x[0],state.s22, 1, 1.4*state.sfactor, g); g.drawLine(x[0],y[1],x[0],y[1]+state.s15); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.black); MaestroG.subscripterSymbol3B("r","a","",g,state.font16,x[0]-state.s26,state.s22); g.setColor(Color.black); MaestroG.subscripter("0","","",g,state.font16,x[1]-state.s10,yCenter+state.s5); MaestroG.subscripter("z","","",g,state.font16,x[2]+state.s10,y[1]-state.s9); MaestroG.subscripterSymbol4B("a","","",g,state.font16,x[1]-state.s15,yCenter-endpoint+state.s5); g.drawLine(x[1]+state.s2,y[1],x[2]+state.s10,y[1]); //MaestroG.drawArrow(x[2]+state.s10,y[1],7,g); MaestroG.drawArrowScaled(x[2]+state.s8,y[1], 3, 1.4*state.sfactor, g); g.drawLine(x[1]+state.s2,yCenter-endpoint,xCenter,yCenter-endpoint); //draw measurement arrows g.setColor(Color.gray); int xarrow = x[0] - state.s70; g.drawLine(xarrow,y[1]-endpoint,xarrow,y[1]+endpoint); //MaestroG.drawArrow(xarrow,y[1]-(endpoint-state.s10),5,g); MaestroG.drawArrowScaled(xarrow,y[1]-(endpoint-state.s12), 1, 1.4*state.sfactor, g); //MaestroG.drawArrow(xarrow,y[1]+(endpoint-state.s10),6,g); MaestroG.drawArrowScaled(xarrow,y[1]+(endpoint-state.s12), 2, 1.4*state.sfactor, g); //MaestroG.drawArrow(xarrow,y[1]-state.s10,6,g); MaestroG.drawArrowScaled(xarrow,y[1]-state.s12, 2, 1.4*state.sfactor, g); //MaestroG.drawArrow(xarrow,y[1]+state.s10,5,g); MaestroG.drawArrowScaled(xarrow,y[1]+state.s12, 1, 1.4*state.sfactor, g); g.drawLine(xarrow-state.s5,y[1],xarrow + state.s5,y[1]); g.drawLine(xarrow-state.s5,y[1]-endpoint,xarrow + state.s5,y[1]-endpoint); g.drawLine(xarrow-state.s5,y[1]+endpoint,xarrow + state.s5,y[1]+endpoint); g.setColor(Color.blue); g.setFont(new Font("Serif",Font.ITALIC + Font.BOLD,state.font16)); g.drawString("d",xarrow + state.s10,y[1]-endpoint/2); g.setFont(new Font("Serif",Font.PLAIN + Font.BOLD,state.font14)); g.drawString("__",xarrow + state.s7,y[1]-endpoint/2); g.setFont(new Font("Serif",Font.PLAIN + Font.BOLD,state.font16)); g.drawString("2",xarrow + state.s10,y[1]-endpoint/2 + state.s16); g.setFont(new Font("Serif",Font.ITALIC + Font.BOLD,state.font16)); g.drawString("d",xarrow + state.font10,y[1]+endpoint/2); g.setFont(new Font("Serif",Font.PLAIN + Font.BOLD,state.font14)); g.drawString("__",xarrow + state.s7,y[1]+endpoint/2); g.setFont(new Font("Serif",Font.PLAIN + Font.BOLD,state.font16)); g.drawString("2",xarrow + state.s10,y[1]+endpoint/2 + state.s14); g.setFont(new Font("SanSerif",Font.PLAIN + Font.BOLD,state.font15)); g.setColor(Color.red); int xtip, ytip; xtip = x[0] + state.s75; ytip = y[1] + state.s45; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); //radial line to point P g.drawLine(x[0],y[1],xtip,ytip); //draw Field vectors g.setColor(Color.red); //E_theta g.drawLine(xtip,ytip,xtip - state.s12,ytip + state.s20); g.drawLine(xtip - state.s12,ytip + state.s20,xtip - state.s10,ytip + state.s10); g.drawLine(xtip - state.s12,ytip + state.s20,xtip - state.s4,ytip + state.s13); MaestroG.subscripterSymbol2("E","\u03b8","",g,state.font16,xtip,ytip+state.s20); //point P g.setColor(Color.green); MaestroG.fillCircle(xtip,ytip,state.s6,g); g.setColor(Color.black); MaestroG.drawCircle(xtip,ytip,state.s6,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } } private void drawArcThick(Graphics g, double xCenter, double yCenter, double Radius, double Radius2, double startangle, double endangle, int thick, Color color){ Graphics2D g2d = (Graphics2D)g; g2d.setPaint(color); g2d.setStroke(new BasicStroke(thick)); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); Arc2D.Double arc_one = new Arc2D.Double(xCenter,yCenter,Radius,Radius2,startangle,endangle,0); g2d.draw(arc_one); g2d.setStroke(new BasicStroke(1)); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } public synchronized void setFrequency(double frequency){ this.frequency = frequency; } public synchronized void setEpsilon(double epsilon_r){ this.epsilon_r = epsilon_r; } public synchronized void setEpsilon0(double epsilon_r0){ this.epsilon_r0 = epsilon_r0; } public synchronized void setMu(double mu){ this.mu_r = mu; } public synchronized void set3D(boolean Is3D){ this.Is3D = Is3D; } public synchronized void setAntennaLength(double DipoleLength_lambda){ this.DipoleLength_lambda = DipoleLength_lambda; } public synchronized void setAntennaRadius(double radius_lambda){ this.radius_lambda = radius_lambda; } @Override 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); } @Override public void update(Graphics g){ paint(g); } public void mouseClicked(MouseEvent evt){ //if(IsFocusOn){ // IsFocusOn = false; // repaint(); //} //else{ // IsFocusOn = true; // repaint(); //} } public void mouseEntered(MouseEvent evt){ //IsTopoOn = true; //repaint(); } public void mouseExited(MouseEvent evt){ //IsTopoOn = false; //repaint(); } public void mousePressed(MouseEvent evt){} public void mouseReleased(MouseEvent evt){} }