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/Users/lyon/j4p/src/bookExamples/ch27BusinessGraphics/charts/Multiplot.java
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1 package bookExamples.ch27BusinessGraphics.charts;
2
3 import ip.gui.frames.ClosableFrame;
4
5 import java.awt.*;
6 import java.util.StringTokenizer;
7
8 public class Multiplot {
9
10 public static void main(String args[]) {
11
12 double limit = 2 * Math.PI;
13 double incr = 0.01;
14
15 int arr1 = (int) (1 + limit / incr);
16 int arr2 = 4;
17 double x;
18 int n;
19
20 String xaxis[] = {"0 1.0 2.0 3.0",
21 "0 pi/2 pi 3pi/2 2pi",
22 "0 1 2 3 4 5"};
23 String yaxis[] = {"1.00 0.50 0.00 -0.5 -1.0",
24 "1.0 0.0 -1.0",
25 "A B C"};
26 String title[] = {"x", "Cos(2x)", "Cos2(pi+x)",
27 "Cos2(2pi+x)", "Cos2(3pi+x)"};
28
29 double data1[][] = new double[arr1][arr2];
30
31 for (int m = 0; m < arr2; m++) {
32 for (x = 0, n = 0; x < limit; x += incr, n++)
33 if (m == 0)
34 data1[n][m] = x; //setup x-axis
35 else
36 data1[n][m] = Math.cos((m - 1) * Math.PI + x);
37 }
38 Db data = new Db(arr1, arr2, data1, xaxis, yaxis,
39 title);
40
41 NewPlotFrame np = new NewPlotFrame(data);
42 np.setSize(400, 380);
43 np.setVisible(true);
44 }
45
46 }
47
48 class NewPlotFrame extends ClosableFrame {
49
50 Db data;
51
52 NewPlotFrame(Db d) {
53 super("My New Graph");
54 data = d;
55 }
56
57 public void paint(Graphics g) {
58
59 Font f = new Font("TimesRoman", Font.PLAIN, 12);
60 g.setFont(f);
61
62 Rectangle r = getBounds();
63 FontMetrics gfm = g.getFontMetrics();
64 int markMargin = 5;
65 int labHmg = gfm.getHeight();
66 int xMargin = 100;
67
68 int w = r.width - 2 * xMargin;
69 int h = r.height - 5 * labHmg;
70
71 int area = h / (data.ar2 - 1) - labHmg;
72
73 setBackground(Color.white);
74
75 Point p[][] = new Point[data.ar2 - 1][2];
76 int x[][] = new int[data.ar2 - 1][2];
77 int y[][] = new int[data.ar2 - 1][2];
78 double max = 2 * Math.PI;
79
80 int num1 = 0,sum;
81 StringTokenizer st1,st2;
82
83 for (int i = 0; i < data.ar2 - 1; i++) {
84 g.drawLine(xMargin, (1 + i) * (area + labHmg),
85 w + xMargin, (1 + i) * (area + labHmg));//Xaxis
86 g.drawLine(xMargin, (1 + i) * labHmg + i * area, xMargin,
87 (1 + i) * (area + labHmg)); //Yaxis
88 g.drawString(data.t[0], w + xMargin + 4 * markMargin,
89 (1 + i) * (area + labHmg) + markMargin);//x
90 g.drawString(data.t[i + 1], labHmg,
91 (1 + i) * labHmg + i * area + 2 * markMargin); //f(x)
92 }
93
94 //y lab
95 for (int i = 0; i < data.ar2 - 1; i++) {
96 st1 = new StringTokenizer(data.ylab[i]);
97 while (st1.hasMoreTokens()) {
98 st1.nextToken();
99 ++num1;
100 }
101 sum = num1;
102 num1 = 0;
103 st2 = new StringTokenizer(data.ylab[i]);
104 int labWmg = (gfm.stringWidth(data.ylab[i]) / sum);
105 while (st2.hasMoreTokens()) {
106 g.drawString(st2.nextToken(), xMargin - labWmg,
107 i * (area + labHmg) + 2 * labHmg + area / sum * num1);
108
109 for (int j = 0; j < 2 * sum; j++) { //y mark
110 if (j / 2 != num1)
111 g.drawLine(xMargin,
112 i * (area + labHmg) + labHmg + area / (sum * 2) * j,
113 xMargin + labWmg / 5,
114 i * (area + labHmg) + labHmg + area / (sum * 2) * j);
115 else
116 g.drawLine(xMargin,
117 i * (area + labHmg) + labHmg + area / sum * num1,
118 xMargin + labWmg / 3,
119 i * (area + labHmg) + labHmg + area / sum * num1);
120 }
121 ++num1;
122 }
123 sum = 0;
124 num1 = 0;
125 }
126
127 //x lab
128 for (int i = 0; i < data.ar2 - 1; i++) {
129 st1 = new StringTokenizer(data.xlab[i]);
130 while (st1.hasMoreTokens()) {
131 st1.nextToken();
132 ++num1;
133 }
134 sum = num1;
135 num1 = 0;
136 st2 = new StringTokenizer(data.xlab[i]);
137 while (st2.hasMoreTokens()) {
138 g.drawString(st2.nextToken(), w / sum * num1 +
139 xMargin - markMargin,
140 (1 + i) * (area + labHmg) + 2 * markMargin);
141
142 for (int j = 0; j < sum * sum; j++) { //x mark
143 if (j / sum != num1)
144 g.drawLine(w / (sum * sum) * j + xMargin,
145 (1 + i) * (area + labHmg) - markMargin,
146 w / (sum * sum) * j + xMargin,
147 (1 + i) * (area + labHmg));
148 else
149 g.drawLine(w / sum * num1 + xMargin,
150 (1 + i) * (area + labHmg) - 2 * markMargin,
151 w / sum * num1 + xMargin,
152 (1 + i) * (area + labHmg));
153 }
154 ++num1;
155 }
156 sum = 0;
157 num1 = 0;
158 }
159
160
161 for (int i = 0; i < data.ar2 - 1; i++)
162 p[i][0] = new Point(xMargin, (i + 1) * (area / 2 + 2 * labHmg));
163
164 for (int j = 0; j < data.ar2 - 1; j++) {
165 for (int i = 0; i < data.ar1; i++) {
166 x[j][1] = (int) (data.dataxy[i][0] * w / max + xMargin);
167 y[j][1] = (int) ((j * (area + labHmg)) + area / 2 - area / 2 *
168 (data.dataxy[i][j + 1]) + labHmg);
169
170 p[j][1] = new Point(x[j][1], y[j][1]);
171 g.drawLine(p[j][0].x,
172 p[j][0].y, p[j][1].x, p[j][1].y);
173 p[j][0] = p[j][1];
174 }
175 }
176 }
177 }
178
179 class Db {
180 double limit = 2 * Math.PI;
181 double incr = 0.01;
182 int ar1 = (int) ((1 + limit) / incr);
183 int ar2 = 4;
184
185 double[][] dataxy = new double[ar1][ar2];
186 String xlab[];
187 String ylab[];
188 String t[];
189
190 public Db(int array1, int array2,
191 double data[][], String[] x,
192 String[] y, String[] tt) {
193 ar1 = array1;
194 ar2 = array2;
195 for (int i = 0; i < ar1; i++) {
196 for (int j = 0; j < ar2; j++)
197 dataxy[i][j] = data[i][j];
198 }
199
200 xlab = x;
201 ylab = y;
202 t = tt;
203 }
204
205 public Db(Db data) {
206 ar1 = data.ar1;
207 ar2 = data.ar2;
208 for (int i = 0; i < ar1; i++) {
209 for (int j = 0; j < ar2; j++)
210 dataxy[i][j] = data.dataxy[i][j];
211 }
212
213 xlab = data.getX();
214 ylab = data.getY();
215 t = data.getT();
216 }
217
218 public String[] getT() {
219 return t;
220 }
221
222 public String[] getY() {
223 return ylab;
224 }
225
226 public String[] getX() {
227 return xlab;
228 }
229 }
230