001/** 002 * Copyright (c) 2011, The University of Southampton and the individual contributors. 003 * All rights reserved. 004 * 005 * Redistribution and use in source and binary forms, with or without modification, 006 * are permitted provided that the following conditions are met: 007 * 008 * * Redistributions of source code must retain the above copyright notice, 009 * this list of conditions and the following disclaimer. 010 * 011 * * Redistributions in binary form must reproduce the above copyright notice, 012 * this list of conditions and the following disclaimer in the documentation 013 * and/or other materials provided with the distribution. 014 * 015 * * Neither the name of the University of Southampton nor the names of its 016 * contributors may be used to endorse or promote products derived from this 017 * software without specific prior written permission. 018 * 019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 029 */ 030package org.openimaj.demos.sandbox; 031 032import java.io.BufferedReader; 033import java.io.File; 034import java.io.FileReader; 035import java.io.IOException; 036import java.util.ArrayList; 037import java.util.List; 038 039import org.openimaj.content.animation.animator.ForwardBackwardLoopingValueAnimator; 040import org.openimaj.content.animation.animator.LinearDoubleValueAnimator; 041import org.openimaj.content.animation.animator.ValueAnimator; 042import org.openimaj.image.DisplayUtilities; 043import org.openimaj.image.FImage; 044import org.openimaj.math.geometry.point.Point2dImpl; 045import org.openimaj.math.geometry.point.PointList; 046import org.openimaj.math.geometry.shape.PointDistributionModel; 047import org.openimaj.math.geometry.transforms.TransformUtilities; 048import org.openimaj.video.AnimatedVideo; 049import org.openimaj.video.VideoDisplay; 050 051public class PDMPlayground3 { 052 static PointList readPts(File file) throws IOException { 053 PointList pl = new PointList(); 054 BufferedReader br = new BufferedReader(new FileReader(file)); 055 056 br.readLine(); 057 br.readLine(); 058 br.readLine(); 059 060 String line; 061 while ((line = br.readLine()) != null) { 062 if (!line.startsWith("}") && line.trim().length() > 0) { 063 String[] parts = line.split("\\s+"); 064 065 float x = Float.parseFloat(parts[0].trim()); 066 float y = Float.parseFloat(parts[1].trim()); 067 068 pl.points.add(new Point2dImpl(x, y)); 069 } 070 } 071 br.close(); 072 073 return pl; 074 } 075 076 /** 077 * @param args 078 * @throws IOException 079 */ 080 public static void main(String[] args) throws IOException { 081 File dir = new File("/Users/jsh2/Downloads/am_tools/points/"); 082 083 File[] fileList = new File[] { 084 new File(dir, "107_0764.pts"), 085 new File(dir, "107_0766.pts"), 086 new File(dir, "107_0779.pts"), 087 new File(dir, "107_0780.pts"), 088 new File(dir, "107_0781.pts"), 089 new File(dir, "107_0782.pts"), 090 new File(dir, "107_0784.pts"), 091 new File(dir, "107_0785.pts"), 092 new File(dir, "107_0786.pts"), 093 new File(dir, "107_0787.pts"), 094 new File(dir, "107_0788.pts"), 095 new File(dir, "107_0789.pts"), 096 new File(dir, "107_0790.pts"), 097 new File(dir, "107_0791.pts"), 098 new File(dir, "107_0792.pts") 099 }; 100 101 List<PointList> pls = new ArrayList<PointList>(); 102 for (File f : fileList) { 103 pls.add(readPts(f)); 104 } 105 106 final PointDistributionModel pdm = new PointDistributionModel(pls); 107 108 FImage img = new FImage(200,200); 109 img.drawPoints(pdm.getMean().transform(TransformUtilities.translateMatrix(100, 100).times(TransformUtilities.scaleMatrix(50, 50))), 1f, 1); 110 DisplayUtilities.display(img); 111 112 pdm.setNumComponents(20); 113 114 final double sd = pdm.getStandardDeviations(3.0)[0]; 115 116 VideoDisplay.createVideoDisplay(new AnimatedVideo<FImage>(new FImage(200,200)) { 117 ValueAnimator<Double> a = ForwardBackwardLoopingValueAnimator.loop(new LinearDoubleValueAnimator(-sd, sd, 60)); 118 119 @Override 120 protected void updateNextFrame(FImage frame) { 121 frame.fill(0f); 122 123 //PointList newShape = pdm.generateNewShape( new double[] {a.nextValue()} ); 124 PointList newShape = pdm.generateNewShape( new double[] {-sd} ); 125 frame.drawPoints(newShape.transform(TransformUtilities.translateMatrix(100, 100).times(TransformUtilities.scaleMatrix(50, 50))), 1f, 1); 126 } 127 }); 128 } 129}