package org.gcube.dataanalysis.geo.test; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger; import org.gcube.dataanalysis.ecoengine.configuration.AlgorithmConfiguration; import org.gcube.dataanalysis.ecoengine.signals.PeriodicityDetector; import org.gcube.dataanalysis.ecoengine.signals.SignalProcessing; import org.gcube.dataanalysis.geo.matrixmodel.MatrixExtractor; import org.gcube.dataanalysis.geo.matrixmodel.TimeSeriesExtractor; public class TestSignal { static String cfg = "./cfg/"; public static void main(String[] args) throws Exception{ // String layertitle = "Statistical Mean in [07-01-01 01:00] (3D) {World Ocean Atlas 09: Sea Water Temperature - annual: dods://thredds.research-infrastructures.eu/thredds/dodsC/public/netcdf/temperature_annual_1deg_ENVIRONMENT_OCEANS_.nc}"; // String layertitle = "Mass Concentration of Chlorophyll in Sea Water in [03-30-13 01:00] (3D) {Mercator Ocean BIOMER1V1R1: Data extracted from dataset http://atoll-mercator.vlandata.cls.fr:44080/thredds/dodsC/global-analysis-bio-001-008-a}"; // String layertitle = "Objectively Analyzed Climatology in [07-01-01 01:00] (3D) {World Ocean Atlas 09: Sea Water Temperature - annual: dods://thredds.research-infrastructures.eu/thredds/dodsC/public/netcdf/temperature_annual_1deg_ENVIRONMENT_OCEANS_.nc}"; //temperature anomaly: long signal //String layertitle = "be24800d-7583-4efa-b925-e0d8760e0fd3"; //temperature short periodic signal // String layertitle = "dffa504b-dbc8-4553-896e-002549f8f5d3"; // String layertitle = "afd54b39-30f7-403a-815c-4f91c6c74c26"; // String layertitle = "6411b110-7572-457a-a662-a16e4ff09e4e"; //wind stress // String layertitle = "255b5a95-ad28-4fec-99e0-5d48112dd6ab"; //wind speed // layertitle = "a116c9bc-9380-4d40-8374-aa0e376a6820"; //nitrates // layertitle = "b1cd9549-d9d0-4c77-9532-b161a69fbd44"; //ASC // String layertitle = "2c2304d1-681a-4f3a-8409-e8cdb5ed447f"; //WFS // String layertitle = "0aac424b-5f5b-4fa6-97d6-4b4deee62b97"; //Chlorophyll String layertitle = "c565e32c-c5b3-4964-b44f-06dc620563e9"; long t0 = System.currentTimeMillis(); AnalysisLogger.setLogger(cfg+AlgorithmConfiguration.defaultLoggerFile); AlgorithmConfiguration config = new AlgorithmConfiguration(); config.setGcubeScope("/d4science.research-infrastructures.eu/gCubeApps/BiodiversityLab"); config.setConfigPath(cfg); TimeSeriesExtractor intersector = new TimeSeriesExtractor(config); // intersector.takeTimeSlice(layertitle, 0, -180, 180, -10, 10, 0, 1, 1); // intersector.takeTimeSlice(layertitle, 0, -10, 10, -10, 10, 0,1, 1); // intersector.takeTimeInstantMatrix(layertitle, 0, -180, 180, -90, 90, 0, 0.5, 0.5); double signal[] = intersector.extractT(layertitle, 0d, 0d,0d,0.5); // SignalProcessing.displaySignalWithGenericTime(signal, 0, 1, "signal"); System.out.println("ELAPSED TIME: "+(System.currentTimeMillis()-t0)); System.out.println("Signal: "+signal.length); BufferedWriter bw = new BufferedWriter(new FileWriter(new File("signal.txt"))); for (double si: signal){ bw.write(si+","); } bw.close(); PeriodicityDetector pd = new PeriodicityDetector(); double F = pd.detectFrequency(signal,true); System.out.println("Detected Frequency:"+F+" indecision ["+pd.lowermeanF+" , "+pd.uppermeanF+"]"); System.out.println("Detected Period:"+pd.meanPeriod+" indecision ["+pd.lowermeanPeriod+" , "+pd.uppermeanPeriod+"]"); System.out.println("Detected Periodicity Strength:"+pd.periodicityStrength+" "+pd.getPeriodicityStregthInterpretation()); } public static void main1(String[] args) throws Exception{ takeSignal(); } public static void takeSignal() throws Exception{ BufferedReader br = new BufferedReader(new FileReader(new File("signal.txt"))); String line = br.readLine(); double[] signal = null; while (line!=null){ String [] el = line.split(","); signal=new double[el.length]; int i=0; for (String e:el){ signal[i]=Double.parseDouble(e); i++; } line = null; } br.close(); // SignalProcessing.displaySignalWithGenericTime(signal, 0, 1, "signal"); PeriodicityDetector pd = new PeriodicityDetector(); // signal = pd.produceNoisySignal(2000, 1, 0.1f, 0f); //float freq=1;//signal.length; // double F = pd.detectFrequency(signal, (int)freq, 0, freq, 1f,true); double F = pd.detectFrequency(signal,true); System.out.println("Detected Frequency:"+F+" indecision ["+pd.lowermeanF+" , "+pd.uppermeanF+"]"); System.out.println("Detected Period:"+pd.meanPeriod+" indecision ["+pd.lowermeanPeriod+" , "+pd.uppermeanPeriod+"]"); System.out.println("Detected Periodicity Strength:"+pd.periodicityStrength); } }