gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / store / properties / SimpleProviderStatistics.java @ 1419
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.raster.impl.store.properties; |
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import java.util.ArrayList; |
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import org.gvsig.fmap.dal.coverage.RasterLibrary; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.exception.RmfSerializerException; |
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import org.gvsig.fmap.dal.coverage.store.props.Statistics; |
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import org.gvsig.raster.impl.process.RasterTask; |
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import org.gvsig.raster.impl.process.RasterTaskQueue; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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/**
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* Statistics for a raster provider.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class SimpleProviderStatistics extends AbstractStatistics { |
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protected RasterProvider provider = null; |
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protected int percent = 0; |
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protected boolean forceToRecalc = false; |
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/**
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* Constructor. Asigna el fichero asociado.
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*/
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public SimpleProviderStatistics(RasterProvider prov) {
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this.provider = prov;
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if(provider != null) |
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bandCount = provider.getBandCount(); |
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} |
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/**
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* Obtiene el dataset asociado
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* @return
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*/
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public RasterProvider getDataProvider() {
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return provider;
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} |
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/**
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* Asigna el valor m?ximo del grid
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* @return Valor m?ximo
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*/
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public void setMax(double[] max) { |
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this.max = max;
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} |
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/**
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* Asigna el valor del segundo m?ximo
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* @return Valor del segundo m?ximo
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*/
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public void setSecondMax(double[] smax) { |
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this.secondMax = smax;
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} |
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/**
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* Asigna el valor m?ximo del grid
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* @return Valor m?ximo
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*/
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public void setMaxRGB(double[] max) { |
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this.maxByteUnsigned = max;
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} |
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/**
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* Asigna el valor del segundo m?ximo
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* @return Valor del segundo m?ximo
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*/
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public void setSecondMaxRGB(double[] smax) { |
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this.secondMaxByteUnsigned = smax;
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} |
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/**
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* Asigna el valor m?dio del grid
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* @return Valor medio
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*/
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public void setMean(double[] mean) { |
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this.mean = mean;
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} |
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/**
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* Asigna el valor m?ximo del grid
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* @return Valor m?nimo
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*/
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public void setMin(double[] min) { |
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this.min = min;
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} |
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/**
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* Asigna el valor del segundo m?nimo
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* @return Valor del segundo m?nimo
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*/
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public void setSecondMin(double[] smin) { |
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this.secondMin = smin;
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} |
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/**
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* Asigna el valor m?ximo del grid
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* @return Valor m?nimo
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*/
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public void setMinRGB(double[] min) { |
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this.minByteUnsigned = min;
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} |
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/**
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* Asigna el valor del segundo m?nimo
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* @return Valor del segundo m?nimo
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*/
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public void setSecondMinRGB(double[] smin) { |
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this.secondMinByteUnsigned = smin;
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} |
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/**
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* Asigna la varianza
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* @return Varianza
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*/
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public void setVariance(double[] variance) { |
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this.variance = variance;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getMin()
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*/
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public double[] getMin() { |
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return min;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getMax()
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*/
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public double[] getMax() { |
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return max;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getSecondMax()
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*/
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public double[] getSecondMax() { |
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return secondMax;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getSecondMin()
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*/
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public double[] getSecondMin() { |
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return secondMin;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getMinRGB()
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*/
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public double[] getMinByteUnsigned() { |
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return minByteUnsigned;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getMaxRGB()
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*/
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public double[] getMaxByteUnsigned() { |
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return maxByteUnsigned;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getSecondMaxRGB()
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*/
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public double[] getSecondMaxByteUnsigned() { |
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return secondMaxByteUnsigned;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getSecondMinRGB()
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*/
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public double[] getSecondMinByteUnsigned() { |
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return secondMinByteUnsigned;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.Statistics#getMaximun()
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*/
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public double getMaximun() { |
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double m = Double.NEGATIVE_INFINITY; |
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for (int i = 0; i < max.length; i++) |
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m = Math.max(m, max[i]);
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return m;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.Statistics#getMinimun()
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*/
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public double getMinimun() { |
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double m = Double.MAX_VALUE; |
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for (int i = 0; i < min.length; i++) |
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m = Math.min(m, min[i]);
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return m;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.Statistics#getMaximunByteUnsigned()
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*/
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public double getMaximunByteUnsigned() { |
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double m = Double.NEGATIVE_INFINITY; |
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for (int i = 0; i < maxByteUnsigned.length; i++) |
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m = Math.max(m, maxByteUnsigned[i]);
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return m;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.Statistics#getMinimunByteUnsigned()
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*/
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public double getMinimunByteUnsigned() { |
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double m = Double.MAX_VALUE; |
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for (int i = 0; i < minByteUnsigned.length; i++) |
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m = Math.min(m, minByteUnsigned[i]);
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return m;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getMean()
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*/
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public double[] getMean() { |
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return mean;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getVariance()
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*/
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public double[] getVariance() { |
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return variance;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#getBandCount()
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*/
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public int getBandCount() { |
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return this.bandCount; |
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} |
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/**
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* Asigna el n?mero de bandas
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* @param bandCount
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*/
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public void setBandCount(int bandCount) { |
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this.bandCount = bandCount;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.hierarchy.IStatistics#calcFullStatistics(double)
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*/
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public void calculate(double scale) throws FileNotOpenException, RasterDriverException, ProcessInterruptedException { |
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if (provider == null) |
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return;
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RasterTask task = RasterTaskQueue.get(Thread.currentThread().getId() + ""); |
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percent = 0;
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provider.selectSubdataset(); |
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// Si no se fuerza su calculo, intentamos ver si estan calculadas y sino
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// las intentamos cargar del RMF
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if (!forceToRecalc) {
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if (!isCalculated()) {
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try {
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provider.loadObjectFromRmf(SimpleProviderStatistics.class, this);
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} catch (RmfSerializerException e) {
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// Si no se puede cargar del RMF, recalcularemos las estadisticas.
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} |
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} |
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if (isCalculated())
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return;
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} |
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bandCount = provider.getBandCount(); |
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max = new double[bandCount]; |
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min = new double[bandCount]; |
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secondMax = new double[bandCount]; |
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secondMin = new double[bandCount]; |
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maxByteUnsigned = new double[bandCount]; |
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minByteUnsigned = new double[bandCount]; |
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secondMaxByteUnsigned = new double[bandCount]; |
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secondMinByteUnsigned = new double[bandCount]; |
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mean = new double[bandCount]; |
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variance = new double[bandCount]; |
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int blockHeight = RasterLibrary.blockHeight;
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nValues = new long[bandCount]; |
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boolean[] initializedBand = new boolean[bandCount]; |
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int[] type = new int[bandCount]; |
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byte[][][] b = null; |
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short[][][] s = null; |
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int[][][] i = null; |
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float[][][] f = null; |
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double[][][] d = null; |
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double z = 0; |
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double rgb = 0; |
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for (int iBand = 0; iBand < bandCount; iBand++) { |
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max[iBand] = Double.NEGATIVE_INFINITY;
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min[iBand] = Double.POSITIVE_INFINITY;
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secondMax[iBand] = Double.NEGATIVE_INFINITY;
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secondMin[iBand] = Double.POSITIVE_INFINITY;
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maxByteUnsigned[iBand] = 0;
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minByteUnsigned[iBand] = 255;
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secondMaxByteUnsigned[iBand] = 0;
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secondMinByteUnsigned[iBand] = 255;
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initializedBand[iBand] = false;
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type[iBand] = provider.getDataType()[iBand]; |
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} |
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Buffer refToBuffer = null; |
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for (int height = 0; height < provider.getHeight(); height += blockHeight) { |
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Object buf = null; |
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try {
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buf = provider.readBlock(height, blockHeight, scale); |
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if(buf == null) |
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return;
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if(buf instanceof Buffer) { |
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refToBuffer = (Buffer)buf; //Guardamos la referencia para hacer un dispose al acabar |
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buf = getDataFromBuffer(type, (Buffer)buf);
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} |
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switch (type[0]) { |
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case Buffer.TYPE_BYTE: b = (byte[][][]) buf; break; |
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case Buffer.TYPE_SHORT: s = (short[][][]) buf; break; |
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case Buffer.TYPE_FLOAT: f = (float[][][]) buf; break; |
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case Buffer.TYPE_DOUBLE: d = (double[][][]) buf; break; |
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case Buffer.TYPE_INT: i = (int[][][]) buf; break; |
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} |
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} catch (InvalidSetViewException e) {
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// La vista se asigna autom?ticamente
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return;
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} |
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int h = (int)(blockHeight * scale); |
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int datasetWidth = (int)(provider.getWidth() * scale); |
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int datasetHeight = (int)(provider.getHeight() * scale); |
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int scaledHeight = (int) (height * scale); |
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if ((scaledHeight + h) > datasetHeight)
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h = datasetHeight - scaledHeight; |
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for (int iBand = 0; iBand < bandCount; iBand++) { |
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for (int col = 0; col < datasetWidth; col++) { |
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for (int row = 0; row < h; row++) { |
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z = (b != null) ? b[iBand][row][col] :
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(s != null) ? s[iBand][row][col] :
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(d != null) ? d[iBand][row][col] :
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(f != null) ? f[iBand][row][col] :
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(i != null) ? i[iBand][row][col] :
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0;
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if ((provider.getNoDataValue().isDefined()) &&
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(z == provider.getNoDataValue().getValue().doubleValue())) |
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continue;
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if (Double.isNaN(z) || Double.isInfinite(z)) |
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continue;
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rgb = 0;
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if(b != null) { |
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rgb = ((byte) z) & 0xff; |
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mean[iBand] += rgb; |
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variance[iBand] += rgb * rgb; |
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} else {
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//rgb = (b != null) ? ((byte) z) & 0xff : 0;
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mean[iBand] += z; |
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variance[iBand] += z * z; |
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} |
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nValues[iBand]++; |
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if (!initializedBand[iBand]) {
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secondMin[iBand] = min[iBand]; |
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secondMax[iBand] = max[iBand]; |
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min[iBand] = z; |
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max[iBand] = z; |
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secondMinByteUnsigned[iBand] = minByteUnsigned[iBand]; |
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secondMaxByteUnsigned[iBand] = maxByteUnsigned[iBand]; |
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minByteUnsigned[iBand] = rgb; |
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maxByteUnsigned[iBand] = rgb; |
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initializedBand[iBand] = true;
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continue;
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} |
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if (z < secondMin[iBand]) {
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if (z < min[iBand]) {
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secondMin[iBand] = min[iBand]; |
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min[iBand] = z; |
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} else {
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if (z > min[iBand])
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secondMin[iBand] = z; |
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} |
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} |
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if (z > secondMax[iBand]) {
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if (z > max[iBand]) {
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secondMax[iBand] = max[iBand]; |
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max[iBand] = z; |
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} else {
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if (z < max[iBand])
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secondMax[iBand] = z; |
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} |
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} |
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if (rgb < secondMinByteUnsigned[iBand]) {
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if (rgb < minByteUnsigned[iBand]) {
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secondMinByteUnsigned[iBand] = minByteUnsigned[iBand]; |
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minByteUnsigned[iBand] = rgb; |
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} else {
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if (rgb > minByteUnsigned[iBand])
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secondMinByteUnsigned[iBand] = rgb; |
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} |
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} |
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if (rgb > secondMaxByteUnsigned[iBand]) {
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if (rgb > maxByteUnsigned[iBand]) {
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secondMaxByteUnsigned[iBand] = maxByteUnsigned[iBand]; |
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maxByteUnsigned[iBand] = rgb; |
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} else {
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if (rgb < maxByteUnsigned[iBand])
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secondMaxByteUnsigned[iBand] = rgb; |
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} |
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} |
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} |
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} |
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if (task.getEvent() != null) |
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task.manageEvent(task.getEvent()); |
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} |
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percent = ((height * 100) / datasetHeight);
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|
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if(refToBuffer != null && refToBuffer instanceof Buffer) |
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((Buffer)refToBuffer).dispose();
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buf = null;
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} |
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percent = 100;
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for (int iBand = 0; iBand < bandCount; iBand++) { |
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if (nValues[iBand] > 0) { |
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mean[iBand] = mean[iBand] / (double) nValues[iBand];
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variance[iBand] = variance[iBand] / (double) nValues[iBand] - mean[iBand] * mean[iBand];
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} |
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} |
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calculated = true;
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forceToRecalc = false;
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try {
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provider.saveObjectToRmf(SimpleProviderStatistics.class, this);
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} catch (RmfSerializerException e) {
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// No salva a rmf
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| 488 |
} |
| 489 |
} |
| 490 |
|
| 491 |
/**
|
| 492 |
* Gets an array of data from a buffer
|
| 493 |
* @param type
|
| 494 |
* @param buf
|
| 495 |
* @return
|
| 496 |
*/
|
| 497 |
private Object getDataFromBuffer(int[] type, Buffer buf) { |
| 498 |
byte[][][] b = null; |
| 499 |
short[][][] s = null; |
| 500 |
int[][][] i = null; |
| 501 |
float[][][] f = null; |
| 502 |
double[][][] d = null; |
| 503 |
switch (type[0]) { |
| 504 |
case Buffer.TYPE_BYTE: |
| 505 |
b = new byte[((Buffer)buf).getBandCount()][((Buffer)buf).getHeight()][0]; |
| 506 |
for (int j = 0; j < ((Buffer)buf).getHeight(); j++) { |
| 507 |
byte[][] line = ((Buffer)buf).getLineByte(j); |
| 508 |
for (int k = 0; k < line.length; k++) { |
| 509 |
b[k][j] = line[k]; |
| 510 |
} |
| 511 |
} |
| 512 |
return b;
|
| 513 |
case Buffer.TYPE_SHORT: |
| 514 |
s = new short[((Buffer)buf).getBandCount()][((Buffer)buf).getHeight()][0]; |
| 515 |
for (int j = 0; j < ((Buffer)buf).getHeight(); j++) { |
| 516 |
short[][] line = ((Buffer)buf).getLineShort(j); |
| 517 |
for (int k = 0; k < line.length; k++) { |
| 518 |
s[k][j] = line[k]; |
| 519 |
} |
| 520 |
} |
| 521 |
return s;
|
| 522 |
case Buffer.TYPE_FLOAT: |
| 523 |
f = new float[((Buffer)buf).getBandCount()][((Buffer)buf).getHeight()][0]; |
| 524 |
for (int j = 0; j < ((Buffer)buf).getHeight(); j++) { |
| 525 |
float[][] line = ((Buffer)buf).getLineFloat(j); |
| 526 |
for (int k = 0; k < line.length; k++) { |
| 527 |
f[k][j] = line[k]; |
| 528 |
} |
| 529 |
} |
| 530 |
return f;
|
| 531 |
case Buffer.TYPE_DOUBLE: |
| 532 |
d = new double[((Buffer)buf).getBandCount()][((Buffer)buf).getHeight()][0]; |
| 533 |
for (int j = 0; j < ((Buffer)buf).getHeight(); j++) { |
| 534 |
double[][] line = ((Buffer)buf).getLineDouble(j); |
| 535 |
for (int k = 0; k < line.length; k++) { |
| 536 |
d[k][j] = line[k]; |
| 537 |
} |
| 538 |
} |
| 539 |
return d;
|
| 540 |
case Buffer.TYPE_INT: |
| 541 |
i = new int[((Buffer)buf).getBandCount()][((Buffer)buf).getHeight()][0]; |
| 542 |
for (int j = 0; j < ((Buffer)buf).getHeight(); j++) { |
| 543 |
int[][] line = ((Buffer)buf).getLineInt(j); |
| 544 |
for (int k = 0; k < line.length; k++) { |
| 545 |
i[k][j] = line[k]; |
| 546 |
} |
| 547 |
} |
| 548 |
return i;
|
| 549 |
} |
| 550 |
return null; |
| 551 |
} |
| 552 |
|
| 553 |
/*
|
| 554 |
* (non-Javadoc)
|
| 555 |
* @see org.gvsig.raster.hierarchy.IStatistics#isCalculated()
|
| 556 |
*/
|
| 557 |
public boolean isCalculated() { |
| 558 |
return calculated;
|
| 559 |
} |
| 560 |
|
| 561 |
/**
|
| 562 |
* Asigna el flag de estad?sticas calculadas.
|
| 563 |
* @param calc
|
| 564 |
*/
|
| 565 |
public void setCalculated(boolean calc) { |
| 566 |
calculated = calc; |
| 567 |
} |
| 568 |
|
| 569 |
/*
|
| 570 |
* (non-Javadoc)
|
| 571 |
* @see org.gvsig.raster.hierarchy.IStatistics#setTailTrimValue(double, java.lang.Object)
|
| 572 |
*/
|
| 573 |
public void setTailTrimValue(double percent, Object valueByBand){ |
| 574 |
tailTrim.put(percent + "", valueByBand);
|
| 575 |
for (int i = 0; i < tailTrimValues.size(); i++) { |
| 576 |
if(tailTrimValues.get(i).equals(percent + "")) { |
| 577 |
tailTrimValues.set(i, percent + "");
|
| 578 |
return;
|
| 579 |
} |
| 580 |
} |
| 581 |
tailTrimValues.add(percent + "");
|
| 582 |
} |
| 583 |
|
| 584 |
/*
|
| 585 |
* (non-Javadoc)
|
| 586 |
* @see org.gvsig.raster.hierarchy.IStatistics#getTailTrimValue(double)
|
| 587 |
*/
|
| 588 |
public Object getTailTrimValue(double percent){ |
| 589 |
return tailTrim.get(percent + ""); |
| 590 |
} |
| 591 |
|
| 592 |
/*
|
| 593 |
* (non-Javadoc)
|
| 594 |
* @see org.gvsig.raster.shared.IStatistics#getTailTrimValue(int)
|
| 595 |
*/
|
| 596 |
public Object[] getTailTrimValue(int pos) { |
| 597 |
return new Object[] { Double.valueOf(Double.parseDouble(tailTrimValues.get(pos) + "")), tailTrim.get(tailTrimValues.get(pos)) }; |
| 598 |
} |
| 599 |
|
| 600 |
/*
|
| 601 |
* (non-Javadoc)
|
| 602 |
* @see org.gvsig.raster.shared.IStatistics#getTailTrimCount()
|
| 603 |
*/
|
| 604 |
public int getTailTrimCount() { |
| 605 |
return tailTrimValues.size();
|
| 606 |
} |
| 607 |
|
| 608 |
/**
|
| 609 |
* Pone a cero el porcentaje de progreso del proceso de calculo de histograma
|
| 610 |
*/
|
| 611 |
public void resetPercent() { |
| 612 |
percent = 0;
|
| 613 |
} |
| 614 |
|
| 615 |
/**
|
| 616 |
* Obtiene el porcentaje de progreso del proceso de calculo de histograma
|
| 617 |
* @return porcentaje de progreso
|
| 618 |
*/
|
| 619 |
public int getPercent() { |
| 620 |
return percent;
|
| 621 |
} |
| 622 |
|
| 623 |
/**
|
| 624 |
* Cuando se llama a este m?todo fuerza que la siguiente petici?n de estad?sticas
|
| 625 |
* no sea le?da de RMF y sean recalculadas por completo.
|
| 626 |
* @param forceToRecalc
|
| 627 |
*/
|
| 628 |
public void forceToRecalc() { |
| 629 |
this.forceToRecalc = true; |
| 630 |
} |
| 631 |
|
| 632 |
/**
|
| 633 |
* Joins the this statistic object with the parameter and
|
| 634 |
* returns a new Statistics object.
|
| 635 |
* @param stats
|
| 636 |
* @return
|
| 637 |
*/
|
| 638 |
public static Statistics union(RasterProvider prov, ArrayList<RasterProvider> list) { |
| 639 |
SimpleProviderStatistics s = new SimpleProviderStatistics(prov);
|
| 640 |
boolean isCalculated = true; |
| 641 |
|
| 642 |
for (int i = 0; i < list.size(); i++) { |
| 643 |
Statistics newStat = list.get(i).getStatistics(); |
| 644 |
|
| 645 |
if(newStat.isCalculated() == false) |
| 646 |
isCalculated = false;
|
| 647 |
|
| 648 |
double[] max = s.getMax(); |
| 649 |
if(max != null) { |
| 650 |
for (int j = 0; j < max.length; j++) { |
| 651 |
max[j] = Math.max(max[j], newStat.getMax()[j]);
|
| 652 |
} |
| 653 |
} |
| 654 |
|
| 655 |
double[] min = s.getMin(); |
| 656 |
if(min != null) { |
| 657 |
for (int j = 0; j < min.length; j++) { |
| 658 |
min[j] = Math.min(min[j], newStat.getMin()[j]);
|
| 659 |
} |
| 660 |
} |
| 661 |
|
| 662 |
double[] smax = s.getSecondMax(); |
| 663 |
if(smax != null) { |
| 664 |
for (int j = 0; j < smax.length; j++) { |
| 665 |
smax[j] = Math.max(smax[j], newStat.getSecondMax()[j]);
|
| 666 |
} |
| 667 |
} |
| 668 |
|
| 669 |
double[] smin = s.getSecondMin(); |
| 670 |
if(smin != null) { |
| 671 |
for (int j = 0; j < smin.length; j++) { |
| 672 |
smin[j] = Math.min(smin[j], newStat.getSecondMin()[j]);
|
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
double[] maxbu = s.getMaxByteUnsigned(); |
| 677 |
if(maxbu != null) { |
| 678 |
for (int j = 0; j < maxbu.length; j++) { |
| 679 |
maxbu[j] = Math.max(maxbu[j], newStat.getMaxByteUnsigned()[j]);
|
| 680 |
} |
| 681 |
} |
| 682 |
|
| 683 |
double[] minbu = s.getMinByteUnsigned(); |
| 684 |
if(minbu != null) { |
| 685 |
for (int j = 0; j < minbu.length; j++) { |
| 686 |
minbu[j] = Math.min(minbu[j], newStat.getMinByteUnsigned()[j]);
|
| 687 |
} |
| 688 |
} |
| 689 |
|
| 690 |
double[] smaxbu = s.getSecondMaxByteUnsigned(); |
| 691 |
if(smaxbu != null) { |
| 692 |
for (int j = 0; j < smaxbu.length; j++) { |
| 693 |
smaxbu[j] = Math.max(smaxbu[j], newStat.getSecondMaxByteUnsigned()[j]);
|
| 694 |
} |
| 695 |
} |
| 696 |
|
| 697 |
double[] sminbu = s.getSecondMinByteUnsigned(); |
| 698 |
if(sminbu != null) { |
| 699 |
for (int j = 0; j < sminbu.length; j++) { |
| 700 |
sminbu[j] = Math.min(sminbu[j], newStat.getSecondMinByteUnsigned()[j]);
|
| 701 |
} |
| 702 |
} |
| 703 |
|
| 704 |
double[] mean = s.getMean(); |
| 705 |
if(mean != null) { |
| 706 |
for (int j = 0; j < mean.length; j++) { |
| 707 |
mean[j] = (mean[j] + newStat.getMean()[j]) / 2;
|
| 708 |
} |
| 709 |
} |
| 710 |
|
| 711 |
double[] var = s.getVariance(); |
| 712 |
long[] values = s.getNumberOfValues(); |
| 713 |
if(var != null) { |
| 714 |
for (int j = 0; j < var.length; j++) { |
| 715 |
var[j] = (var[j] + newStat.getVariance()[j]) / (values[j] + newStat.getNumberOfValues()[j]) - mean[j] * mean[j]; |
| 716 |
} |
| 717 |
} |
| 718 |
} |
| 719 |
s.setCalculated(isCalculated); |
| 720 |
try {
|
| 721 |
prov.saveObjectToRmf(SimpleProviderStatistics.class, s); |
| 722 |
} catch (RmfSerializerException e) {
|
| 723 |
// No salva a rmf
|
| 724 |
} |
| 725 |
return s;
|
| 726 |
} |
| 727 |
|
| 728 |
/*
|
| 729 |
* (non-Javadoc)
|
| 730 |
* @see org.gvsig.fmap.dal.coverage.store.props.Statistics#cloneStatistics()
|
| 731 |
*/
|
| 732 |
public Statistics cloneStatistics() {
|
| 733 |
SimpleProviderStatistics s = new SimpleProviderStatistics(provider);
|
| 734 |
return super.cloneStatistics(s); |
| 735 |
} |
| 736 |
|
| 737 |
} |