/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify it under the terms of the * GNU Affero General Public License as published by the Free Software Foundation, either version 3 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License along with this program. * If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.gui.plotter; /** * Transforms the given value, e.g. by just returning it (id) or applying a log function. * * @author Ingo Mierswa */ public interface AxisTransformation { /** * Transforms the given value, e.g. by just returning it (id) or applying a log function. Please * note that this method might throw an IllegalArgumentException if the number is not supported. */ public double transform(double value); /** * Returns the inverse transformation of the given value, e.g. just returning it (id) or * applying a exponential function (for log transformation). Please note that this method might * throw an IllegalArgumentException if the number is not supported. */ public double inverseTransform(double value); /** * Returns the formatted value. Might return null. The format number indicates the number of * format calls done before. */ public String format(double value, int formatNumber); /** Adapts the minimum corresponding to the given tic size. */ public double adaptTicsMin(double min, double ticSize); /** Adapts the maximum corresponding to the given tic size. */ public double adaptTicsMax(double max, double ticSize); }