/** Method to create a collage of several pictures */
public void createCollage() {
Picture pic2 = new Picture("moon-surface.jpg");
Picture picNoBlue = new Picture(pic2);
picNoBlue.zeroBlue();
Picture effect1 = new Picture(pic2);
effect1.edgeDetection(10);
Picture effect2 = new Picture(pic2);
this.copy(effect1, 250, 600);
this.copy(pic2, 0, 600);
effect2.mirrorVertical();
this.copy(effect2, 250, 0);
this.copy(picNoBlue, 0, 0);
this.write("collage.jpg");
}
