package org.das2.qds.util; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import org.das2.datum.Datum; import org.das2.qds.DDataSet; import org.das2.qds.DataSetUtil; import org.das2.qds.JoinDataSet; import org.das2.qds.QDataSet; /** * It would be useful to have a method for exporting data when working with * QDataSet, so this is introduced. This is very limited in its functionality, * and should be extended as needed. * @author jbf */ public class AsciiFormatter { public void formatToFile( File f, QDataSet ... dss ) throws IOException { try ( FileOutputStream fout= new FileOutputStream(f) ) { if ( dss.length==0 ) throw new IllegalArgumentException("at least one dataset, please"); int n= dss[0].length(); for ( int i=0; i0 ) fout.write(','); fout.write(String.valueOf(ds.value(i,j)).getBytes()); ifield++; } } else if ( ds.rank()==1 ) { if ( ifield>0 ) fout.write(','); Datum d= DataSetUtil.asDatum(ds.slice(i)); String s= d.getUnits().getDatumFormatterFactory().defaultFormatter().format( d, d.getUnits() ); fout.write( s.getBytes()); ifield++; } } fout.write(10); } } } public void formatToFile( String f, QDataSet ... dss ) throws IOException { formatToFile( new File(f), dss ); } public void formatToFile( File f, QDataSet ds ) throws IOException { formatToFile( f, new QDataSet[] { ds } ); } public void formatToFile( String f, QDataSet ds ) throws IOException { formatToFile( new File(f), new QDataSet[] { ds } ); } public void formatToFile( String f, double[][] dd ) throws IOException { JoinDataSet jds= new JoinDataSet(2); for (double[] dd1 : dd) { QDataSet ds = DDataSet.wrap(dd1); jds.join(ds); } formatToFile( new File(f), jds ); } }