//GraphCanvas.java import java.awt.*; import java.util.*; //import java.lang.*; public class GraphCanvasC extends Canvas{ protected static final Color bgcolor = Color.lightGray; protected Image im; protected Graphics buf; protected final int LeftMargin = 60; protected final int TopSep = 40; protected final int BottomSep = 40; protected final int RightMargin = 40; protected int VPos=0; protected String XLabel, YLabel, TITLE; protected String X1, X2, X3; protected String Y1, Y2, Y3; protected int NumPoints; protected double x[]; protected double y[]; protected double phi_angle; protected double ymin, ymax; protected double xmin, xmax; protected int xx[]; protected int yy[]; protected int flag; protected int type; protected double xRef; protected boolean Should_Plot_Zero_Line; protected boolean Should_Plot_Ref_Point; protected boolean IsYRangeMinSet, IsYRangeMaxSet; protected boolean IsXRangeMinSet, IsXRangeMaxSet; protected boolean IsPolar, is_theta_plane, Is_dB; protected static final Font font1 = new Font("Serif",Font.PLAIN,12); protected static final Font font2 = new Font("SanSerif",Font.PLAIN,11); public GraphCanvasC(){ super(); setBackground(bgcolor); XLabel="x-axis"; YLabel="y-axis"; TITLE ="Unknown Title"; Y1 = " "; Y2 = " "; Y3 = " "; X1 = " "; X2 = " "; X3 = " "; NumPoints = 361; x = new double[NumPoints]; y = new double[NumPoints]; xx = new int[NumPoints]; yy = new int[NumPoints]; for(int i=0;i=180){ yy[i-180]= (int)MaestroA.mapper(y[i-180],(double)TopSep,(double)(height-BottomSep),ymax,ymin); } //System.out.println(i+" * "+y[i-180]); } X1 = "-90"; X2 ="90"; X3="|"; Y1=""+MaestroA.rounder(ymin,3); if(ymax < 1.0e230){ if(ymax >= 1.0e-3){ //Y2=""+MaestroA.rounder(ymax,5); Y2=""+(double)((int)MaestroA.rounder(ymax,5)+1); flag = 0; } else if(ymax >= 1.0e-4 && ymax < 1.0e-3){ Y2=""+MaestroA.rounder(ymax*1.0e4,5); flag = 4; } else if(ymax >= 1.0e-5 && ymax < 1.0e-4){ Y2=""+MaestroA.rounder(ymax*1.0e5,4); flag = 5; } else if(ymax >= 1.0e-6 && ymax < 1.0e-5){ Y2=""+MaestroA.rounder(ymax*1.0e6,4); flag = 6; } else if(ymax >= 1.0e-7 && ymax < 1.0e-6){ Y2=""+MaestroA.rounder(ymax*1.0e7,4); flag = 7; } else if(ymax >= 1.0e-8 && ymax < 1.0e-7){ Y2=""+MaestroA.rounder(ymax*1.0e8,4); flag = 8; } else if(ymax >= 1.0e-9 && ymax < 1.0e-8){ Y2=""+MaestroA.rounder(ymax*1.0e9,4); flag = 9; } else if(ymax >= 1.0e-10 && ymax < 1.0e-9){ Y2=""+MaestroA.rounder(ymax*1.0e10,4); flag = 10; } else if(ymax >= 1.0e-11 && ymax < 1.0e-10){ Y2=""+MaestroA.rounder(ymax*1.0e11,4); flag = 11; } else if(ymax >= 1.0e-12 && ymax < 1.0e-11){ Y2=""+MaestroA.rounder(ymax*1.0e12,4); flag = 12; } else if(ymax >= 1.0e-13 && ymax < 1.0e-12){ Y2=""+MaestroA.rounder(ymax*1.0e13,4); flag = 13; } else if(ymax >= 1.0e-14 && ymax < 1.0e-13){ Y2=""+MaestroA.rounder(ymax*1.0e14,4); flag = 14; } else if(ymax >= 1.0e-15 && ymax < 1.0e-14){ Y2=""+MaestroA.rounder(ymax*1.0e15,4); flag = 14; } else if(ymax >= 1.0e-16 && ymax < 1.0e-15){ Y2=""+MaestroA.rounder(ymax*1.0e16,4); flag = 16; } else if(ymax >= 1.0e-17 && ymax < 1.0e-16){ Y2=""+MaestroA.rounder(ymax*1.0e17,4); flag = 17; } else if(ymax >= 1.0e-18 && ymax < 1.0e-17){ Y2=""+MaestroA.rounder(ymax*1.0e18,4); flag = 18; } else if(ymax >= 1.0e-19 && ymax < 1.0e-18){ Y2=""+MaestroA.rounder(ymax*1.0e19,4); flag = 19; } else if(ymax >= 1.0e-20 && ymax < 1.0e-19){ Y2=""+MaestroA.rounder(ymax*1.0e20,4); flag = 20; } else if(ymax < 1.0e-20){ Y2=""+ymax; flag = 0; } } else{ Y2="\u221e"; flag = 0; } Y3="_"; } protected void plotZeroLine(Graphics g){ if(ymin*ymax>0){return;} FontMetrics fm = g.getFontMetrics(); g.setFont(font1); int yy; yy = (int)MaestroA.mapper(0.0,(double)TopSep,(double)(getSize().height-BottomSep),ymax,ymin); g.setColor(Color.red); g.drawLine(LeftMargin,yy,getSize().width-RightMargin,yy); g.drawString("0",LeftMargin-fm.stringWidth("0"),yy+fm.getHeight()/3); //g.setColor(Color.yellow); } public synchronized void plotZeroLine(boolean Should_Plot_Zero_Line){ this.Should_Plot_Zero_Line = Should_Plot_Zero_Line; } protected void plotRefPoint(Graphics g){ int myX=0, myY=0, i; i = (int)((NumPoints-1)*(xRef-x[0])/(x[x.length-1]-x[0])); if(i<0) {i = 0;} if(i>=NumPoints){i=NumPoints-1;} myX = (int)MaestroA.mapper(xRef,(double)(getSize().width-RightMargin),(double)(LeftMargin),xmax/2,xmin); //if(y[i]>0.0){ myY = (int)MaestroA.mapper(y[i],(double)TopSep,(double)(getSize().height-BottomSep),ymax,ymin); //} //else{ //myY =getSize().height-BottomSep ; //} Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.lightGray); g.drawLine(myX,myY,myX,getSize().height-BottomSep+5); g.setColor(Color.red); MaestroG.fillCircle(myX,myY,6,g); g.setColor(Color.yellow); MaestroG.drawCircle(myX,myY,6,g); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); } public synchronized void plotRefPoint(boolean Should_Plot_Ref_Point){ this.Should_Plot_Ref_Point = Should_Plot_Ref_Point; } protected void plotPoints(Graphics g){ ignition(); Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_OFF); g.setColor(Color.white); //g.drawPolyline(xx,yy,xx.length); for(int i=0;i<180;i++){ g.drawLine(xx[i],yy[i],xx[i+1],yy[i+1]); } } protected void drawTitle(Graphics g){ Graphics2D g2d = (Graphics2D)g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON); FontMetrics fm = g.getFontMetrics(); g.setFont(font1); g.setColor(Color.white); //g.drawString(XLabel,(getSize().width-fm.stringWidth(XLabel))/2,getSize().height-BottomSep+3*fm.getHeight()/2); g.drawString(XLabel,(getSize().width-fm.stringWidth(XLabel))/2+60,getSize().height-BottomSep+3*fm.getHeight()/2+5); g.drawString(YLabel,LeftMargin-30,getSize().height/2); g.setColor(Color.white); g.drawString(TITLE,(getSize().width)*70/100,TopSep/2-3); if(type == 1){MaestroG.subscripterSymbolSup("| E (\u03b8) |",""," / | E (0) |","","",g,14,getSize().width-125,16);} if(type == 2){MaestroG.subscripterSymbolSup("| E (\u03b8) | \u00b2",""," / | E (0) | \u00b2","","",g,14,getSize().width-125,16);} if(type == 3){MaestroG.subscripter2("| E","x"," |",g,14,LeftMargin+13,16);} if(type == 4){MaestroG.subscripter2("| E","y"," |",g,14,LeftMargin+13,16);} if(type == 5){MaestroG.subscripter2("| E","z"," |",g,14,LeftMargin+13,16);} if(type == 6){MaestroG.subscripterSymbol("| H","\u03c6"," |",g,14,LeftMargin+13,16);} if(type == 7){MaestroG.subscripter2("| H","x"," |",g,14,LeftMargin+13,16);} if(type == 8){MaestroG.subscripter2("| H","y"," |",g,14,LeftMargin+13,16);} g.setFont(font1); g.setColor(Color.yellow); g.drawString(X1,LeftMargin-11,getSize().height-BottomSep+3*fm.getHeight()/2); g.drawString(X2,getSize().width-RightMargin-fm.stringWidth(X2)+10,getSize().height-BottomSep+3*fm.getHeight()/2); // horizontal axis tick marks. Using fonts (above) DOES NOT WORK on Mac - Mac sucks!!!!! g.drawLine(LeftMargin,getSize().height-BottomSep,LeftMargin,getSize().height-BottomSep+6); g.drawLine(LeftMargin+(getSize().width-RightMargin-LeftMargin)/2,getSize().height-BottomSep, LeftMargin+(getSize().width-RightMargin-LeftMargin)/2,getSize().height-BottomSep+6); g.drawLine(getSize().width-RightMargin,getSize().height-BottomSep, getSize().width-RightMargin,getSize().height-BottomSep+6); // vertical axis tick marks g.drawLine(LeftMargin-6,getSize().height-BottomSep,LeftMargin,getSize().height-BottomSep); g.drawLine(LeftMargin-6,TopSep,LeftMargin,TopSep);//top tick mark int ynum; ynum = (getSize().height-BottomSep - TopSep)/4; g.drawLine(LeftMargin-6,TopSep+ynum,LeftMargin,TopSep+ynum);//top tick mark g.drawLine(LeftMargin-6,TopSep+2*ynum,LeftMargin,TopSep+2*ynum);//top tick mark g.drawLine(LeftMargin-6,TopSep+3*ynum,LeftMargin,TopSep+3*ynum);//top tick mark //-------------------------------------------------------------------------- //grid g.setColor(new Color(150,150,150)); g.drawLine(LeftMargin,TopSep,getSize().width-RightMargin,TopSep); g.drawLine(LeftMargin,TopSep+ynum,getSize().width-RightMargin,TopSep+ynum); g.drawLine(LeftMargin,TopSep+2*ynum,getSize().width-RightMargin,TopSep+2*ynum); g.drawLine(LeftMargin,TopSep+3*ynum,getSize().width-RightMargin,TopSep+3*ynum); g.setColor(Color.yellow); //-------------------------------------------------------------------------- g.drawString("0",(getSize().width-RightMargin + LeftMargin-1)/2-1,getSize().height-BottomSep+3*fm.getHeight()/2); g.drawString(Y1,15,getSize().height-BottomSep+5); if(Is_dB){ g.drawString("0.0",25,TopSep+5); g.drawString("-25.0",15,ynum+TopSep+5); g.drawString("-50.0",15,2*ynum+TopSep+5); g.drawString("-75.0",15,3*ynum+TopSep+5); g.drawString("[ dB ]",15, TopSep-20); } else{ g.drawString("1.0",15,TopSep+5); g.drawString("0.75",15,ynum+TopSep+5); g.drawString("0.50",15,2*ynum+TopSep+5); g.drawString("0.25",15,3*ynum+TopSep+5); } //g.drawString("1.0",Math.max(4,LeftMargin-fm.stringWidth(Y2))-7,TopSep-4); //g.drawString(Y3,LeftMargin-6,getSize().height-BottomSep-2); //g.drawString(Y3,LeftMargin-6,TopSep-2); } protected void drawAxis(Graphics g){ VPos = getSize().height-BottomSep; g.setColor(Color.yellow); //Vertical Axis g.drawLine(LeftMargin,TopSep-1,LeftMargin,getSize().height-BottomSep); //g.drawLine(LeftMargin,TopSep/2,LeftMargin,getSize().height-BottomSep); //MaestroG.drawArrow(LeftMargin,TopSep/2,1,g); //Horizontal Axis g.drawLine(LeftMargin,VPos,getSize().width-RightMargin+10,VPos); MaestroG.drawArrow(getSize().width-RightMargin+10,VPos,7,g); } public final synchronized void setXLabel(String XLabel){ this.XLabel=XLabel; } public final synchronized void setYLabel(String YLabel){ this.YLabel=YLabel; } public final synchronized void setTitle(String TITLE){ this.TITLE = TITLE; } public final synchronized void setLabels(String TITLE, String YLabel, String XLabel){ this.TITLE=TITLE; this.YLabel = YLabel; this.XLabel = XLabel; } public void plot(double[] xdata, double[] ydata){ if(NumPoints != xdata.length){ NumPoints = xdata.length; x = new double[NumPoints]; y = new double[NumPoints]; xx = new int[NumPoints]; yy = new int[NumPoints]; } for(int i = 0; i < NumPoints; i++){ x[i] = xdata[i]; y[i] = ydata[i]; } repaint(); } public void setdB(boolean Is_dB){ this.Is_dB = Is_dB; } public void setPolar(boolean IsPolar){ this.IsPolar = IsPolar; } public void setPhiAngle(double phi_angle){ this.phi_angle=phi_angle; } public void setType(int type){ this.type=type; } public void setYRange(double ymax, double ymin){ IsYRangeMaxSet=true; IsYRangeMinSet=true; this.ymax=ymax; this.ymin=ymin; } public void setYRangeMin(double ymin){ IsYRangeMinSet=true; this.ymin=ymin; } public void setYRangeMax(double ymax){ IsYRangeMaxSet=true; this.ymax=ymax; } public void setAuto(){ IsYRangeMaxSet=false; IsYRangeMinSet=false; IsXRangeMaxSet=false; IsXRangeMinSet=false; } public synchronized void setRefPoint(double xRef){ this.xRef = xRef; } public void update(Graphics g){ paint(g); } }