/*
* Encog(tm) Core v3.3 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2014 Heaton Research, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.ca.universe.basic;
import java.io.Serializable;
import org.encog.ca.CellularAutomataError;
import org.encog.ca.universe.Universe;
import org.encog.ca.universe.UniverseCell;
import org.encog.ca.universe.UniverseCellFactory;
import org.encog.ml.BasicML;
public class BasicUniverse extends BasicML implements Universe, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
public static final String ELEMENT_COUNT = "elementCount";
private final UniverseCell[][] data;
private final UniverseCellFactory cellFactory;
public BasicUniverse(int height, int width, UniverseCellFactory theCellFactory)
{
this.data = new UniverseCell[height][width];
this.cellFactory = theCellFactory;
for(int row = 0; row<getRows(); row++) {
for(int col=0; col<getColumns(); col++) {
this.data[row][col] = this.cellFactory.factor();
}
}
}
public Object clone() {
BasicUniverse result = new BasicUniverse(getRows(),getColumns(),this.cellFactory);
result.copy(this);
return result;
}
@Override
public void copy(Universe source)
{
if( !(source instanceof BasicUniverse) ) {
throw new CellularAutomataError("Can only copy another BasicUniverse");
}
for(int row = 0; row<getRows(); row++) {
for(int col=0; col<getColumns(); col++) {
this.data[row][col].copy(source.get(row, col));
}
}
}
@Override
public double compare(Universe otherWorld) {
if( !(otherWorld instanceof BasicUniverse) ) {
throw new CellularAutomataError("Can only compare another BasicUniverse");
}
int result = 0;
int total = 0;
for(int row = 0; row<otherWorld.getRows(); row++) {
for(int col=0; col<otherWorld.getColumns(); col++) {
int d1 = Math.abs((int)(255*get(row,col).getAvg()));
int d2 = Math.abs((int)(255*otherWorld.get(row,col).getAvg()));
if( Math.abs(d1-d2)>10) {
result++;
}
total++;
}
}
return (double)result/(double)total;
}
public int getColumns() {
return this.data[0].length;
}
public int getRows() {
return this.data.length;
}
public void randomize() {
for (int row = 0; row < getRows(); row++) {
for (int col = 0; col < getColumns(); col++) {
for (int i = 0; i < 3; i++) {
this.data[row][col].randomize();
}
}
}
}
public UniverseCell get(int row, int col) {
return this.data[row][col];
}
public boolean isValid(int row, int col) {
if( row<0 || col<0 || row>=getRows() || col>=getColumns()) {
return false;
}
return true;
}
public UniverseCellFactory getCellFactory() {
return cellFactory;
}
@Override
public void updateProperties() {
// TODO Auto-generated method stub
}
@Override
public double calculatePercentInvalid() {
int result = 0;
int total = 0;
for(int row = 0; row<getRows(); row++) {
for(int col=0; col<getColumns(); col++) {
UniverseCell cell = get(row,col);
for(int i=0;i<cell.size();i++) {
if( cell.get(i)<-1 || cell.get(i)>1 ) {
result++;
}
total++;
}
}
}
return (double)result/(double)total;
}
}