Draw a semi ring - JavaFX

Question

I would like to know how to draw a semi circle in JavaFX. I tried to use Shape and QuadCurve but I couldn\'t make a perfect semicircle.

Here is a picture of what I\'

Answer 1

Suggestions:

• If you don't need a full outlining path, you can just use an Arc.
• If you don't need the arc filled and just want to trace the outline path of the arc, then set the fill of the arc to null.
• If you want the outline path of the arc thick, then set the stroke parameters on the arc.
• If you need the a thick arc which is also outlined, then it is best to define a full arc as in Uluk's answer.

Sample code:

import javafx.application.Application;
import javafx.scene.*;
import javafx.scene.paint.Color;
import javafx.scene.shape.*;
import javafx.stage.Stage;

public class SemiCircleSample extends Application {
  @Override public void start(Stage stage) {
    Arc arc = new Arc(50, 50, 25, 25, 0, 180);
    arc.setType(ArcType.OPEN);
    arc.setStrokeWidth(10);
    arc.setStroke(Color.CORAL);
    arc.setStrokeType(StrokeType.INSIDE);
    arc.setFill(null);

    stage.setScene(new Scene(new Group(arc), 100, 80));
    stage.show();
  }

  public static void main(String[] args) { launch(args); }
}