Method setDefaultGroup

ij/src/main/java/ij/gui/Roi.java:1842–1847

Sets the group value assigned to newly created ROIs, and also sets the default ROI color to the group color. Set to zero to not have a default group and to use the default ROI color. @see #setGroup @see #getGroup @see #getGroupColor

(int group)

	 * @see #getGroupColor
	*/
	public static void setDefaultGroup(int group) {
		if (group<0 || group>MAX_ROI_GROUP)
			throw new IllegalArgumentException("Invalid group: "+group);
		defaultGroup = group;
		groupColor = getGroupColor(group);
	}

	/** Returns the group attribute of this ROI. */
	public int getGroup() {