Online-IDE-files/Graph.java hinzugefügt

Online-IDE-files/Graph.java

@@ -0,0 +1,68 @@
+class Graph
+{
+   int breite = 500;
+   int hoehe = 400;
+   int rand = 15;
+
+   ArrayList<DataPoint> trainingset;
+
+   ArrayList<Shape> graphenobjekte;
+
+   double streckenInX1Faktor = 0.8;
+   double streckenInX2Faktor = 10;
+
+   World w = new World(breite, hoehe);
+
+   public Graph(ArrayList<DataPoint> t)
+   {
+      trainingset = t;
+      graphenobjekte = new ArrayList<Shape>();
+      w.setBackgroundColor(Color.whitesmoke); 
+      // x1-Achse
+      Line x1_Achse = new Line(rand, hoehe - rand, breite - rand, hoehe - rand);
+      x1_Achse.setBorderWidth(1);
+      x1_Achse.setBorderColor(Color.black); 
+      Text x1_Label = new Text(breite - 2 * rand, hoehe - 2 * rand, 10, "x1"); 
+      x1_Label.setFillColor(Color.darkgrey);
+      Triangle t1 = new Triangle(breite - rand, hoehe - rand + 5, breite - rand, hoehe - rand - 5, breite - rand + 10, hoehe - rand);
+      t1.setFillColor(Color.black);
+      // x2-Achse
+      Line x2_Achse = new Line(rand, rand, rand, hoehe - rand);
+      x2_Achse.setBorderWidth(1);
+      x2_Achse.setBorderColor(Color.black);
+      Text x2_Label = new Text(rand + 2, rand, 10, "x2"); 
+      x2_Label.setFillColor(Color.darkgrey);
+      Triangle t2 = new Triangle(rand + 5, rand, rand - 5, rand, rand, rand - 10);
+      t2.setFillColor(Color.black);
+   }
+
+   public void zeichnen()
+   {
+      for (DataPoint p : trainingset)
+      {
+         double x = p.getX1() * streckenInX1Faktor + rand;
+         double y = -p.getX2() * streckenInX2Faktor - rand + hoehe;
+         Circle c = new Circle(x, y, 5);
+         Text t = new Text(x + 2, y + 2, 10, p.getName());
+         t.setFillColor(Color.darkgrey);
+         if(p.getLabel() == 1)
+         {
+            c.setFillColor(Color.greenyellow);
+         }
+         else {
+            c.setFillColor(Color.red);
+         }
+         graphenobjekte.add(c);
+         graphenobjekte.add(t);
+      }
+   }
+
+   public void leeren()
+   {
+      for (Shape o : graphenobjekte)
+      {
+         o.destroy();
+      }
+      graphenobjekte.clear();
+   }
+}