import java.awt.*; public class RadarCanvas extends Canvas{ private Image im; private Graphics buf; Rectangle r; Antenna ant; public int thick_plot = 2; private static final Color bgcolor = new Color(216,216,191); boolean is_theta_plane; RadarCanvas(Antenna ant, boolean is_theta_plane){ super(); this.ant=ant; this.is_theta_plane=is_theta_plane; } public void drawCanvas(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); int i; double theta, theta2, phi, phi2; double geom; r=getBounds(); g.setColor(Color.lightGray); //g.setColor(bgcolor); g.fill3DRect(0,0,r.width-1,r.height-1,true); g.setColor(Color.white); //draw concentric circles g.drawOval((int)(r.width*0.4),(int)(r.width*0.4),(int)(r.width*0.20),(int)(r.width*0.20)); g.drawOval((int)(r.width*0.3),(int)(r.width*0.3),(int)(r.width*0.40),(int)(r.width*0.40)); g.drawOval((int)(r.width*0.2),(int)(r.width*0.2),(int)(r.width*0.60),(int)(r.width*0.60)); g.drawOval((int)(r.width*0.1),(int)(r.width*0.1),(int)(r.width*0.80),(int)(r.width*0.80)); //draw radial lines g.drawLine((int)(r.width*0.1),(int)(r.width*0.5),(int)(r.width*0.9),(int)(r.width*0.5)); g.drawLine((int)(r.width*0.5),(int)(r.width*0.1),(int)(r.width*0.5),(int)(r.width*0.9)); g.drawLine( (int)(r.width*(0.5+0.4*(0.866))), (int)(r.width*(0.5+0.4*(0.5))), (int)(r.width*(0.5-0.4*(0.866))), (int)(r.width*(0.5-0.4*(0.5)))); g.drawLine( (int)(r.width*(0.5-0.4*(0.866))), (int)(r.width*(0.5+0.4*(0.5))), (int)(r.width*(0.5+0.4*(0.866))), (int)(r.width*(0.5-0.4*(0.5)))); g.drawLine( (int)(r.width*(0.5+0.4*(0.5))), (int)(r.width*(0.5+0.4*(0.866))), (int)(r.width*(0.5-0.4*(0.5))), (int)(r.width*(0.5-0.4*(0.866)))); g.drawLine( (int)(r.width*(0.5-0.4*(0.5))), (int)(r.width*(0.5+0.4*(0.866))), (int)(r.width*(0.5+0.4*(0.5))), (int)(r.width*(0.5-0.4*(0.866)))); //g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); if(this.is_theta_plane==true){ g.setColor(Color.black); g.setFont(new Font("Serif",Font.PLAIN,ant.font16)); g.drawString("\u03c6 = "+(int)(ant.phicontrol.phi)+"\u00ba",ant.s15,r.height - ant.s30); g.setColor(Color.black); g.setFont(new Font("SanSerif",Font.PLAIN,ant.font11)); g.drawString("0\u00ba",(int)(r.width*(0.5-0.4*(0.029))),(int)(r.width*(0.5+0.42*(-1.00)))); g.drawString("30\u00ba",(int)(r.width*(0.5+0.41*(0.500))),(int)(r.width*(0.5+0.42*(-0.866)))); g.drawString("30\u00ba",(int)(r.width*(0.5-0.46*(0.500))),(int)(r.width*(0.5+0.42*(-0.866)))); g.drawString("60\u00ba",(int)(r.width*(0.5+0.41*(0.886))),(int)(r.width*(0.5+0.44*(-0.48)))); g.drawString("60\u00ba",(int)(3+r.width*(0.5-0.41*(0.98))),(int)(r.width*(0.5+0.44*(-0.48)))); g.drawString("90\u00ba",(int)(r.width*(0.5+0.42*(1.000))),(int)(r.width*(0.5+0.30*(0.05)))); g.drawString("90\u00ba",(int)(3+r.width*(0.5-0.45*(1.02))),(int)(r.width*(0.5+0.30*(0.05)))); g.drawString("120\u00ba",(int)(r.width*(0.5+0.42*(0.866))),(int)(r.width*(0.5+0.47*(0.50)))); g.drawString("120\u00ba",(int)(3+r.width*(0.5-0.46*(0.92))),(int)(r.width*(0.5+0.48*(0.50)))); g.drawString("150\u00ba",(int)(r.width*(0.5+0.42*(0.450))),(int)(r.width*(0.5+0.47*(0.83)))); g.drawString("150\u00ba",(int)(r.width*(0.5-0.47*(0.550))),(int)(r.width*(0.5+0.47*(0.83)))); g.drawString("180\u00ba",(int)(r.width*(0.5-0.42*(0.070))),(int)(r.width*(0.5+0.44*(1.00)))); // THETA LABEL g.setColor(Color.black); g.setFont(new Font("Serif",Font.PLAIN,ant.font24)); g.drawString("\u03b8",ant.s30,ant.s30); } else{g.setColor(Color.black); // THETA LABEL g.setFont(new Font("Serif",Font.PLAIN,ant.font16)); g.drawString("\u03b8 = 90 \u00ba",ant.s15,r.height - ant.s30); // PHI LABEL g.setColor(Color.black); g.setFont(new Font("Serif",Font.PLAIN,ant.font24)); g.drawString("\u03c6",ant.s30,ant.s30); g.setColor(Color.blue); g.setFont(new Font("SanSerif",Font.PLAIN,ant.font11)); g.setColor(Color.black); g.drawString("180\u00ba",(int)(r.width*(0.5-0.4*(0.059))),(int)(r.width*(0.5+0.42*(-1.00)))); g.drawString("150\u00ba",(int)(r.width*(0.5+0.40*(0.500))),(int)(r.width*(0.5+0.42*(-0.866)))); g.drawString("210\u00ba",(int)(r.width*(0.5-0.49*(0.502))),(int)(r.width*(0.5+0.42*(-0.866)))); g.drawString("120\u00ba",(int)(r.width*(0.5+0.42*(0.866))),(int)(r.width*(0.5+0.44*(-0.48)))); g.drawString("240\u00ba",(int)(r.width*(0.5-0.41*(1.0))),(int)(r.width*(0.5+0.44*(-0.48)))); g.drawString("90\u00ba",(int)(r.width*(0.5+0.42*(1.000))),(int)(r.width*(0.5+0.30*(0.05)))); g.drawString("270\u00ba",(int)(3+r.width*(0.5-0.46*(1.05))),(int)(r.width*(0.5+0.30*(0.05)))); g.drawString("60\u00ba",(int)(r.width*(0.5+0.42*(0.866))),(int)(r.width*(0.5+0.47*(0.50)))); g.drawString("300\u00ba",(int)(3+r.width*(0.5-0.46*(0.92))),(int)(r.width*(0.5+0.48*(0.50)))); g.drawString("30\u00ba",(int)(r.width*(0.5+0.45*(0.450))),(int)(r.width*(0.5+0.47*(0.83)))); g.drawString("330\u00ba",(int)(r.width*(0.5-0.47*(0.550))),(int)(r.width*(0.5+0.47*(0.83)))); g.drawString("0\u00ba",(int)(r.width*(0.5-0.10*(0.070))),(int)(r.width*(0.5+0.44*(1.00)))); } if(this.is_theta_plane==true){//This is the theta plane //draw two dipole antennae } else{//This is phi plane // Draw cross-section line g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); // Draw Arc on bezel and related cross-section line MaestroG.drawArcThick(g, r.width*0.1, r.width*0.1, r.width*0.8, r.width*0.8, -90, ant.phicontrol.phi, ant.s2, Color.gray); //MaestroG.drawArcThick(g, r.width*0.1, r.width*0.1, r.width*0.8, r.width*0.8, -90, ant.phicontrol.phi, ant.s2, Color.yellow); g.setColor(Color.yellow); // cross-section with continuous line MaestroG.drawLineThick2(g,((r.width/2.0)*(1.0+0.82*Math.cos((ant.phicontrol.phi-90)*Math.PI/180.0))), ((r.width/2.0)*(1.0-0.82*Math.sin((ant.phicontrol.phi-90)*Math.PI/180.0))), ((r.width/2.0)*(1.0-0.8*Math.cos((ant.phicontrol.phi-90)*Math.PI/180.0))), ((r.width/2.0)*(1.0+0.8*Math.sin((ant.phicontrol.phi-90)*Math.PI/180.0))),ant.s1, Color.yellow); // same with dashed line //MaestroG.drawLineThickDash(g,((r.width/2.0)*(1.0+0.82*Math.cos((ant.phicontrol.phi-90)*Math.PI/180.0))), // ((r.width/2.0)*(1.0-0.82*Math.sin((ant.phicontrol.phi-90)*Math.PI/180.0))), // ((r.width/2.0)*(1.0-0.8*Math.cos((ant.phicontrol.phi-90)*Math.PI/180.0))), // ((r.width/2.0)*(1.0+0.8*Math.sin((ant.phicontrol.phi-90)*Math.PI/180.0))),ant.s3,ant.s5, Color.yellow); // Draw Antennas - view from top // Left dipole //g.setColor(Color.red); g.setColor(Color.green); MaestroG.fillCircle((int)(6*r.width/20), (int)(r.width/2.0), ant.s10, g); g.setColor(Color.black); MaestroG.drawCircle((int)(6*r.width/20), (int)(r.width/2.0), ant.s10, g); // Right dipole //g.setColor(Color.green); g.setColor(Color.red); MaestroG.fillCircle((int)(14*r.width/20), (int)(r.width/2.0), ant.s10, g); g.setColor(Color.black); MaestroG.drawCircle((int)(14*r.width/20), (int)(r.width/2.0), ant.s10, g); //Draw view-angle arrow g.setColor(Color.black); MaestroG.drawLineThick2(g, ((r.width/2.0)*(1.0+0.68*Math.cos((ant.phicontrol.phi-180.0)*Math.PI/180.0))), ((r.width/2.0)*(1.0-0.68*Math.sin((ant.phicontrol.phi-180.0)*Math.PI/180.0))), ((r.width/2.0)*(1.0+0.82*Math.cos((ant.phicontrol.phi-180.0)*Math.PI/180.0))), ((r.width/2.0)*(1.0-0.82*Math.sin((ant.phicontrol.phi-180.0)*Math.PI/180.0))), ant.s1, Color.black ); g.setColor(Color.yellow); Polygon s = new Polygon(); s.addPoint((int)((r.width/2.0)*(1.0+0.63*Math.cos((ant.phicontrol.phi-180.0)*Math.PI/180.0))), (int)((r.width/2.0)*(1.0-0.63*Math.sin((ant.phicontrol.phi-180.0)*Math.PI/180.0)))); s.addPoint((int)((r.width/2.0)*(1.0+0.72*Math.cos((ant.phicontrol.phi-184.0)*Math.PI/180.0))), (int)((r.width/2.0)*(1.0-0.72*Math.sin((ant.phicontrol.phi-184.0)*Math.PI/180.0)))); s.addPoint((int)((r.width/2.0)*(1.0+0.72*Math.cos((ant.phicontrol.phi-176.0)*Math.PI/180.0))), (int)((r.width/2.0)*(1.0-0.72*Math.sin((ant.phicontrol.phi-176.0)*Math.PI/180.0)))); g.fillPolygon(s); g.setColor(Color.black); g.drawPolygon(s); } // NOW DRAW THE RADIATION DIAGRAM g.setColor(Color.blue); // LABELS if(this.is_theta_plane==true){//This is the theta plane if(ant.rcons.c1.getState() == true){ g.setColor(Color.black); MaestroG.subscripter2bis("Electric Field"," E","","",g,ant.font13,2*r.width/3,ant.s20); } else if(ant.rcons.c3.getState() == true){ g.setColor(Color.black); MaestroG.subscripter2bis("Power Density"," S","av","",g,ant.font13,2*r.width/3,ant.s20); } } else{//This is phi plane if(ant.rcons.c1.getState() == true){ g.setColor(Color.black); MaestroG.subscripter2bis("Electric Field"," E","","",g,ant.font13,2*r.width/3,ant.s20); } else if(ant.rcons.c3.getState() == true){ g.setColor(Color.black); MaestroG.subscripter2bis("Power Density"," S","av","",g,ant.font13,2*r.width/3,ant.s20); } } //============================================================================== //============================================================================== if(this.is_theta_plane==true){ //draw two dipole antennae geom = (r.width*0.20*Math.cos((ant.phicontrol.phi-90.0)*Math.PI/180)); //MaestroG.fillCircle((int)(7*r.width/20), (int)(r.width/2.0), ant.s10, g) double red_bit = -0.025*Math.sin((ant.phicontrol.phi/2)*Math.PI/180); double green_bit = - Math.abs(0.025*Math.cos((ant.phicontrol.phi/2)*Math.PI/180)); double dip = 0.12; //System.out.println(ant.phicontrol.phi+" red_bit = "+red_bit+" green_bit = "+green_bit); int mythick = ant.s5; int mythick_red = mythick - (int)(2.5*(Math.sin((ant.phicontrol.phi/2)*Math.PI/180))); int mythick_green = mythick - (int)(2.5*(1.0-Math.sin((ant.phicontrol.phi/2)*Math.PI/180))); if(ant.phicontrol.phi < 90.0 || ant.phicontrol.phi > 270.0){ //RED DIPOLE MaestroG.drawLineThick2(g,(r.width*(0.5)+geom),(int)(r.width*(0.5-dip-green_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5-0.01)),mythick_green,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom)-1,(int)(r.width*(0.5-dip-green_bit))-1, (int)(r.width*(0.5)+geom)-1,(int)(r.width*(0.5-0.01))-1,mythick_green,Color.red); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom),(int)(r.width*(0.5+dip+green_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5+0.01)),mythick_green,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom)-1,(int)(r.width*(0.5+dip+green_bit))-1, (int)(r.width*(0.5)+geom)-1,(int)(r.width*(0.5+0.01))-1,mythick_green,Color.red); } else{ //GREEN DIPOLE MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5-dip-red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5-0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-dip-red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-0.01))-1,mythick_red,Color.green); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5+dip+red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5+0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+dip+red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+0.01))-1,mythick_red,Color.green); } //Now draw radiation patterns g.setColor(Color.blue); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); if(ant.rcons.c1.getState()==true){ for(i=0;i<360;i++){ theta=(float)(2.0*Math.PI*i/360.0f-Math.PI/2.0); theta2 = (float)(2.0*Math.PI*(i+1)/360.0f-Math.PI/2.0); MaestroG.drawLineThick( g,(r.width*0.5) + (r.width*(0.4*ant.efield_mag[i]*Math.cos(theta))), (r.width*0.5) + (r.width*(0.4*ant.efield_mag[i]*Math.sin(theta))), (r.width*0.5) + (r.width*(0.4*ant.efield_mag[i+1]*Math.cos(theta2))), (r.width*0.5) + (r.width*(0.4*ant.efield_mag[i+1]*Math.sin(theta2))),thick_plot,Color.blue.darker()); } } if(ant.rcons.c3.getState()==true){ for(i=0;i<360;i++){ theta=(float)(2.0*Math.PI*i/360.0f-Math.PI/2.0); theta2=(float)(2.0*Math.PI*(i+1)/360.0f-Math.PI/2.0); MaestroG.drawLineThick( g,(r.width*0.5) + (r.width*(0.4*ant.power[i]*Math.cos(theta))), (r.width*0.5) + (r.width*(0.4*ant.power[i]*Math.sin(theta))), (r.width*0.5) + (r.width*(0.4*ant.power[i+1]*Math.cos(theta2))), (r.width*0.5) + (r.width*(0.4*ant.power[i+1]*Math.sin(theta2))),thick_plot,Color.magenta.darker()); } } //PERSPECTIVE LINE CONNECTING DIPOLES MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5-dip-red_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5-dip-green_bit)),1,new Color(150,150,150)); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5+dip+red_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5+dip+green_bit)),1,new Color(150,150,150)); //MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5)), // (int)(r.width*(0.5)+geom),(int)(r.width*(0.5)),1,new Color(0,0,0)); if(ant.phicontrol.phi >= 90.0 && ant.phicontrol.phi <= 270.0){ MaestroG.drawLineThick2(g,(r.width*(0.5)+geom),(int)(r.width*(0.5-dip-green_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5-0.01)),mythick_green,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom)-1,(int)(r.width*(0.5-dip-green_bit))-1, (int)(r.width*(0.5)+geom)-1,(int)(r.width*(0.5-0.01))-1,mythick_green,Color.red); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom),(int)(r.width*(0.5+dip+green_bit)), (int)(r.width*(0.5)+geom),(int)(r.width*(0.5+0.01)),mythick_green,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)+geom)-1,(int)(r.width*(0.5+dip+green_bit))-1, (int)(r.width*(0.5)+geom)-1,(int)(r.width*(0.5+0.01))-1,mythick_green,Color.red); } else{ MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5-dip-red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5-0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-dip-red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-0.01))-1,mythick_red,Color.green); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5+dip+red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5+0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+dip+red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+0.01))-1,mythick_red,Color.green); } /* if((ant.phicontrol.phi<4) || (ant.phicontrol.phi>=268+90)){//&&ant.phicontrol.phi<=272){ MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5-dip-red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5-0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-dip-red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5-0.01))-1,mythick_red,Color.green); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom),(int)(r.width*(0.5+dip+red_bit)), (int)(r.width*(0.5)-geom),(int)(r.width*(0.5+0.01)),mythick_red,Color.black); MaestroG.drawLineThick2(g,(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+dip+red_bit))-1, (int)(r.width*(0.5)-geom)-1,(int)(r.width*(0.5+0.01))-1,mythick_red,Color.green); // drawing of antennae finished } */ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } else{ g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); if(ant.rcons.c1.getState()==true){ for(i=0;i<360;i++){ phi=(float)(2.0*Math.PI*i/360.0f); phi2=(float)(2.0*Math.PI*(i+1)/360.0f); MaestroG.drawLineThick( g,(r.width*0.5) + (r.width*(0.4*ant.eefield_mag[i]*Math.cos(phi))), (r.width*0.5) + (r.width*(0.4*ant.eefield_mag[i]*Math.sin(phi))), (r.width*0.5) + (r.width*(0.4*ant.eefield_mag[i+1]*Math.cos(phi2))), (r.width*0.5) + (r.width*(0.4*ant.eefield_mag[i+1]*Math.sin(phi2))), thick_plot,Color.blue.darker()); } } if(ant.rcons.c3.getState()==true){ for(i=0;i<360;i++){ phi=(float)(2.0*Math.PI*i/360.0f); phi2=(float)(2.0*Math.PI*(i+1)/360.0f); MaestroG.drawLineThick( g,(r.width*0.5) + (r.width*(0.4*ant.ppower[i]*Math.cos(phi))), (r.width*0.5) + (r.width*(0.4*ant.ppower[i]*Math.sin(phi))), (r.width*0.5) + (r.width*(0.4*ant.ppower[i+1]*Math.cos(phi2))), (r.width*0.5) + (r.width*(0.4*ant.ppower[i+1]*Math.sin(phi2))),thick_plot,Color.magenta.darker()); } } g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } } 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); //drawCanvas(g); } //Addition to reduce flicker new routine public void update(Graphics g){ // added to avoid clearing paint(g); } public void redraw(){ repaint(); } }//End of RadarCanvas