Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/CompactXYItems.java @ 605:e8ebdbc7f1e3
First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog).
gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 09 Feb 2010 14:27:55 +0000 |
parents | f426f55d4f7a |
children | c4156275c1e1 |
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package de.intevation.gnv.jfreechart; import java.io.Serializable; /** * @author Sascha Teichmann <sascha.teichmann@intevation.de> * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> */ public class CompactXYItems implements Serializable { protected double [] data; public CompactXYItems(double [] data) { this.data = data; } public double getX(int index) { return data[index << 1]; } public double getY(int index) { return data[(index << 1)+1]; } public void get(int index, double [] xy) { xy[0] = data[index = (index << 1) + 1]; xy[1] = data[index + 1]; } public double [] getData() { return data; } public void setData(double [] data) { this.data = data; } public int size() { return data.length >> 1; } public double [] calculateBoundingBox(double [] bbox) { for (int i = 0; i < data.length;) { double x = data[i++]; double y = data[i++]; if (x < bbox[0]) bbox[0] = x; if (y < bbox[1]) bbox[1] = y; if (x > bbox[2]) bbox[2] = x; if (y > bbox[3]) bbox[3] = y; } return bbox; } public String toString() { StringBuilder sb = new StringBuilder(); for (int i = 0; i < data.length;) { if (i > 0) sb.append("; "); sb.append('('); sb.append(data[i++]); sb.append(", "); sb.append(data[i++]); sb.append(')'); } return sb.toString(); } public double getMinX() { double lower = Double.POSITIVE_INFINITY; for (int i = 0; i < data.length; i += 2) { double x = data[i]; if (!Double.isNaN(x)) { lower = Math.min(lower, x); } } return lower; } public double getMaxX() { double upper = Double.NEGATIVE_INFINITY; for (int i = 0; i < data.length; i += 2) { double x = data[i]; if (!Double.isNaN(x)) { upper = Math.max(upper, x); } } return upper; } public double getMinY() { double lower = Double.POSITIVE_INFINITY; for (int i = 1; i < data.length; i += 2) { double y = data[i]; if (!Double.isNaN(y)) { lower = Math.min(lower, y); } } return lower; } public double getMaxY() { double upper = Double.NEGATIVE_INFINITY; for (int i = 1; i < data.length; i += 2) { double y = data[i]; if (!Double.isNaN(y)) { upper = Math.max(upper, y); } } return upper; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :