001 /* 002 * MatrixSerialization 003 * 004 * Copyright (c) 2001, 2002 Marco Schmidt <marcoschmidt@users.sourceforge.net> 005 * All rights reserved. 006 */ 007 008 package net.sourceforge.jiu.color.io; 009 010 import java.io.PrintStream; 011 import net.sourceforge.jiu.color.data.CoOccurrenceMatrix; 012 import net.sourceforge.jiu.color.data.CoOccurrenceFrequencyMatrix; 013 014 /** 015 * Write co-occurrence and co-occurrence frequency matrices to text files. 016 * 017 * @author Marco Schmidt 018 * @since 0.6.0 019 */ 020 public class MatrixSerialization 021 { 022 private MatrixSerialization() 023 { 024 } 025 026 public static void save(CoOccurrenceMatrix matrix, PrintStream out) 027 { 028 if (matrix == null || out == null) 029 { 030 return; 031 } 032 int dim = matrix.getDimension(); 033 out.println(Integer.toString(dim)); 034 for (int i = 0; i < dim; i++) 035 { 036 StringBuffer sb = new StringBuffer(); 037 for (int j = 0; j < dim; j++) 038 { 039 sb.append(matrix.getValue(i, j)); 040 sb.append(' '); 041 } 042 out.println(sb.toString()); 043 } 044 } 045 046 public static void save(CoOccurrenceFrequencyMatrix matrix, PrintStream out) 047 { 048 if (matrix == null || out == null) 049 { 050 return; 051 } 052 int dim = matrix.getDimension(); 053 out.println(Integer.toString(dim)); 054 for (int i = 0; i < dim; i++) 055 { 056 StringBuffer sb = new StringBuffer(); 057 for (int j = 0; j < dim; j++) 058 { 059 sb.append(matrix.getValue(i, j)); 060 sb.append(' '); 061 } 062 out.println(sb.toString()); 063 } 064 } 065 }