1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.g2d.multileveldiagram;
14 import org.simantics.g2d.element.handler.impl.TransitionFunctionPainter;
18 * - Bijective function
20 * @See {@link TransitionFunctionPainter}
21 * @author Toni Kalajainen
23 public interface TransitionFunction {
25 public static final TransitionFunction LINEAR =
26 new TransitionFunction() {
28 public double f(double p) {
31 public static final TransitionFunction SIGMOID =
32 new TransitionFunction() {
34 public double f(double p) {
35 return 1 / (1+ Math.exp(6-p*12));
39 * Calculates transition value