ecological-engine-geospatia.../src/main/java/org/gcube/dataanalysis/geo/algorithms/MapsComparator.java

233 lines
11 KiB
Java

package org.gcube.dataanalysis.geo.algorithms;
import java.awt.Image;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import org.gcube.contentmanagement.graphtools.data.conversions.ImageTools;
import org.gcube.contentmanagement.graphtools.plotting.graphs.GaussianDistributionGraph;
import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
import org.gcube.contentmanagement.lexicalmatcher.utils.DatabaseFactory;
import org.gcube.dataanalysis.ecoengine.datatypes.DatabaseType;
import org.gcube.dataanalysis.ecoengine.datatypes.PrimitiveType;
import org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType;
import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.PrimitiveTypes;
import org.gcube.dataanalysis.ecoengine.evaluation.DiscrepancyAnalysis;
import org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm;
import org.gcube.dataanalysis.ecoengine.utils.DatabaseUtils;
import org.gcube.dataanalysis.geo.insertion.RasterTable;
import org.gcube.dataanalysis.geo.meta.features.FeaturesManager;
import org.gcube.dataanalysis.geo.retrieval.GeoIntersector;
import org.hibernate.SessionFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.data.function.NormalDistributionFunction2D;
import org.jfree.data.general.DatasetUtilities;
import org.jfree.data.xy.XYSeriesCollection;
import org.opengis.metadata.Metadata;
public class MapsComparator extends StandardLocalExternalAlgorithm{
static String layer1 = "LayerTitle_1";
static String layer2 = "LayerTitle_2";
static String zString = "Z";
static String t1 = "TimeIndex_1";
static String t2 = "TimeIndex_2";
static String valuesThr = "ValuesComparisonThreshold";
protected SessionFactory dbConnection;
@Override
public void init() throws Exception {
AnalysisLogger.getLogger().debug("Initialization");
}
@Override
public String getDescription() {
return "An algorithm for comparing two OGC/NetCDF maps in seamless way to the user";
}
@Override
protected void process() throws Exception {
status = 0;
long t0 = System.currentTimeMillis();
String layerT1 = getInputParameter(layer1);
String layerT2 = getInputParameter(layer2);
String z$ = getInputParameter(zString);
String valuesthr$ = getInputParameter(valuesThr);
String time1$ = getInputParameter(t1);
String time2$ = getInputParameter(t2);
int time1 = ((time1$!=null) && (time1$.trim().length()>0))? Integer.parseInt(time1$):0;
int time2 = ((time2$!=null) && (time2$.trim().length()>0))? Integer.parseInt(time2$):0;
if (time1<0)
time1=0;
if (time2<0)
time2=0;
double valuesthreshold = 0.1;
if ((valuesthr$!=null)&&(valuesthr$.trim().length()>0))
try{valuesthreshold =Double.parseDouble(valuesthr$);}catch(Exception ee){}
double z = 0;
if ((z$!=null)&&(z$.trim().length()>0))
try{z =Double.parseDouble(z$);}catch(Exception ee){}
try{
String scope = config.getGcubeScope();
AnalysisLogger.getLogger().debug("MapsComparator: Using Scope: "+scope+" Z: "+z+" Values Threshold: "+valuesthreshold+" Layer1: "+layerT1+" vs "+layerT2);
GeoIntersector intersector = new GeoIntersector(scope, config.getConfigPath());
AnalysisLogger.getLogger().debug("MapsComparator: GeoIntersector initialized");
double x1 = -180;
double x2 = 180;
double y1 = -90;
double y2 = 90;
status = 10;
FeaturesManager fm = intersector.getFeaturer();
AnalysisLogger.getLogger().debug("MapsComparator: Taking info for the layer: "+layerT1);
Metadata meta1 = fm.checkForMetadatabyTitle(FeaturesManager.treatTitleForGN(layerT1), layerT1);
double resolution1 = FeaturesManager.getResolution(meta1);
AnalysisLogger.getLogger().debug("MapsComparator: Resolution: "+resolution1);
status = 15;
AnalysisLogger.getLogger().debug("MapsComparator: Taking info for the layer: "+layerT2);
Metadata meta2 = fm.checkForMetadatabyTitle(FeaturesManager.treatTitleForGN(layerT2), layerT2);
double resolution2 = FeaturesManager.getResolution(meta2);
AnalysisLogger.getLogger().debug("MapsComparator: Resolution: "+resolution2);
status = 20;
//take the lowest resolution to perform the comparison
double resolution = Math.max(resolution1, resolution2);
if (resolution==0)
resolution = 0.5d;
AnalysisLogger.getLogger().debug("MapsComparator: Evaluation Resolution: "+resolution);
AnalysisLogger.getLogger().debug("MapsComparator: ****Rasterizing map 1****");
double[][] slice1 = intersector.takeTimeSlice(layerT1, time1, x1, x2, y1,y2,z,resolution,resolution);
AnalysisLogger.getLogger().debug("MapsComparator: Dumping map 1");
status = 30;
RasterTable raster1 = new RasterTable(x1, x2, y1, y2, z, resolution, resolution, slice1, config);
raster1.dumpGeoTable();
String rastertable1 = raster1.getTablename();
AnalysisLogger.getLogger().debug("MapsComparator: Map 1 was dumped in table: "+rastertable1);
status = 40;
AnalysisLogger.getLogger().debug("MapsComparator: ****Rasterizing map 2****");
double[][] slice2 = intersector.takeTimeSlice(layerT2, time2, x1, x2, y1,y2,z,resolution,resolution);
AnalysisLogger.getLogger().debug("MapsComparator: Dumping map 2");
status = 50;
RasterTable raster2 = new RasterTable(x1, x2, y1, y2, z, resolution, resolution, slice2, config);
raster2.dumpGeoTable();
String rastertable2 = raster2.getTablename();
AnalysisLogger.getLogger().debug("MapsComparator: Map 2 was dumped in table: "+rastertable2);
status = 60;
/*
String rastertable1 = "rstr909f60c1d3f1472e9de998e844990724";
String rastertable2 = "rstre52e744c99224de3a1c5354263c6c8d8";
String resolution = "0.5";
*/
config.setNumberOfResources(1);
config.setParam("FirstTable", rastertable1);
config.setParam("SecondTable", rastertable2);
config.setParam("FirstTableCsquareColumn", RasterTable.csquareColumn);
config.setParam("SecondTableCsquareColumn",RasterTable.csquareColumn);
config.setParam("FirstTableProbabilityColumn", RasterTable.probabilityColumn);
config.setParam("SecondTableProbabilityColumn", RasterTable.probabilityColumn);
config.setParam("ComparisonThreshold", ""+valuesthreshold);
AnalysisLogger.getLogger().debug("MapsComparator: Analyzing discrepancy between maps: "+rastertable1+" and "+rastertable2);
DiscrepancyAnalysis da = new DiscrepancyAnalysis();
da.setConfiguration(config);
da.init(false);
outputParameters = da.analyze();
outputParameters.put("Resolution", ""+resolution);
status = 80;
AnalysisLogger.getLogger().debug("MapsComparator: Output: "+outputParameters);
//delete the tables
dbConnection = DatabaseUtils.initDBSession(config);
AnalysisLogger.getLogger().debug("MapsComparator: Deleting table "+rastertable1);
DatabaseFactory.executeSQLUpdate(DatabaseUtils.dropTableStatement(rastertable1),dbConnection);
status = 90;
AnalysisLogger.getLogger().debug("MapsComparator: Deleting table "+rastertable2);
DatabaseFactory.executeSQLUpdate(DatabaseUtils.dropTableStatement(rastertable2),dbConnection);
AnalysisLogger.getLogger().debug("MapsComparator: Elapsed: Whole operation completed in "+((double)(System.currentTimeMillis()-t0)/1000d)+"s");
}catch(Exception e){
e.printStackTrace();
AnalysisLogger.getLogger().debug("MapsComparator: ERROR!: "+e.getLocalizedMessage());
}
finally{
DatabaseUtils.closeDBConnection(dbConnection);
status = 100;
}
}
@Override
protected void setInputParameters() {
addStringInput(layer1,"First Layer Title: The title of a layer indexed in the e-Infrastructure on GeoNetwork","Sarda australis");
addStringInput(layer2,"Second Layer Title: The title of a second layer indexed in the e-Infrastructure on GeoNetwork","Sarda orientalis");
addNumberInput(zString,"value of Z. Default is 0, that means comparison will be at surface level","0");
addNumberInput(valuesThr,"A comparison threshold for the values in the map. Null equals to 0.1","0.1");
addNumberInput(t1,"First Layer Time Index. The default is the first","0");
addNumberInput(t2,"Second Layer Time Index. The default is the first","0");
DatabaseType.addDefaultDBPars(inputs);
}
@Override
public void shutdown() {
AnalysisLogger.getLogger().debug("Shutdown");
}
@Override
public StatisticalType getOutput() {
//set the output map containing values
PrimitiveType p = new PrimitiveType(Map.class.getName(), PrimitiveType.stringMap2StatisticalMap(outputParameters), PrimitiveTypes.MAP, "Discrepancy Analysis","");
AnalysisLogger.getLogger().debug("MapsComparator: Producing Gaussian Distribution for the errors");
//build image:
HashMap<String, Image> producedImages = new HashMap<String, Image>();
//gaussian
XYSeriesCollection xyseriescollection = new XYSeriesCollection();
double mean = Double.parseDouble(outputParameters.get("MEAN"));
double variance = Double.parseDouble(outputParameters.get("VARIANCE"));
if (variance==0)
variance=0.01;
AnalysisLogger.getLogger().debug("MapsComparator: Adopting mean:"+ mean+" and variance:"+variance);
NormalDistributionFunction2D normaldistributionfunction2d = new NormalDistributionFunction2D(mean,variance);
org.jfree.data.xy.XYSeries xyseries = DatasetUtilities.sampleFunction2DToSeries(normaldistributionfunction2d, (mean-(2*variance)), (mean+(2*variance)), 121, "Distribution of the Error");
xyseriescollection.addSeries(xyseries);
//end gaussian
JFreeChart chart = GaussianDistributionGraph.createStaticChart(xyseriescollection, mean, variance);
Image image = ImageTools.toImage(chart.createBufferedImage(680, 420));
producedImages.put("Gaussian Distribution of the Error", image);
PrimitiveType images = new PrimitiveType(HashMap.class.getName(), producedImages, PrimitiveTypes.IMAGES, "ErrorRepresentation", "Graphical representation of the error spread");
/*
GaussianDistributionGraph graph = new GaussianDistributionGraph("Error Distribution");
graph.mean=mean;graph.variance=variance;
graph.render(xyseriescollection);
*/
//end build image
AnalysisLogger.getLogger().debug("MapsComparator: Gaussian Distribution Produced");
//collect all the outputs
LinkedHashMap<String, StatisticalType> map = new LinkedHashMap<String, StatisticalType>();
map.put("Result", p);
map.put("Images", images);
//generate a primitive type for the collection
PrimitiveType output = new PrimitiveType(HashMap.class.getName(), map, PrimitiveTypes.MAP, "ResultsMap", "Results Map");
return output;
}
}