Java MLStructure.setField方法代码示例

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
/** Create ML Structure with data for a channel
 *  @param index Index of channel in model
 *  @param name Channel name
 *  @param times Time stamps
 *  @param values Values
 *  @param severities Severities
 *  @return {@link MLStructure}
 */
private MLStructure createMLStruct(final int index, final String name,
        final List<Instant> times,
        final List<Double> values,
        final List<AlarmSeverity> severities)
{
    final MLStructure struct = new MLStructure("channel" + index, new int[] { 1, 1 });
    final int N = values.size();
    final int[] dims = new int[] { N, 1 };
    final MLCell time = new MLCell(null, dims);
    final MLDouble value = new MLDouble(null, dims);
    final MLCell severity = new MLCell(null, dims);
    for (int i=0; i<N; ++i)
    {
        setCellText(time, i, TimestampHelper.format(times.get(i)));
        value.set(values.get(i), i);
        setCellText(severity, i, severities.get(i).toString());
    }
    struct.setField("name", new MLChar(null, name));
    struct.setField("time", time);
    struct.setField("value", value);
    struct.setField("severity", severity);
    return struct;
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
@Test
public void testMLStructureFieldNames() throws IOException
{
    //test column-packed vector
    double[] src = new double[] { 1.3, 2.0, 3.0, 4.0, 5.0, 6.0 };
    
    //create 3x2 double matrix
    //[ 1.0 4.0 ;
    //  2.0 5.0 ;
    //  3.0 6.0 ]
    MLDouble mlDouble = new MLDouble( null, src, 3 );
    MLChar mlChar = new MLChar( null, "I am dummy" );
    
    
    MLStructure mlStruct = new MLStructure("str", new int[] {1,1} );
    mlStruct.setField("f1", mlDouble);
    mlStruct.setField("f2", mlChar);
    
    Collection<String> fieldNames = mlStruct.getFieldNames();
    
    assertEquals( 2, fieldNames.size() );
    assertTrue( fieldNames.contains("f1") );
    assertTrue( fieldNames.contains("f2") );
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
private void putBusDataIntoMLStructure(BusData busData, MLStructure buses, int i) {
    LOGGER.debug("Preparing mat data for bus " + busData.getBusId());
    // nome
    MLChar nome = new MLChar("", busData.getBusName());
    buses.setField("nome", nome, 0, i);
    // codice
    MLChar codice = new MLChar("", busData.getBusId());
    buses.setField("codice", codice, 0, i);
    // ID
    MLInt64 id = new MLInt64("", new long[]{busData.getBusIndex()}, 1);
    buses.setField("ID", id, 0, i);
    // type
    MLInt64 type = new MLInt64("", new long[]{busData.getBusType()}, 1);
    buses.setField("type", type, 0, i);
    // Vnom
    MLDouble vNom = new MLDouble("", new double[]{busData.getNominalVoltage()}, 1);
    buses.setField("Vnom", vNom, 0, i);
    // V
    MLDouble v = new MLDouble("", new double[]{busData.getVoltage()}, 1);
    buses.setField("V", v, 0, i);
    // angle
    MLDouble angle = new MLDouble("", new double[]{busData.getAngle()}, 1);
    buses.setField("angle", angle, 0, i);
    // Vmin
    MLDouble vMin = new MLDouble("", new double[]{busData.getMinVoltage()}, 1);
    buses.setField("Vmin", vMin, 0, i);
    // Vmax
    MLDouble vMax = new MLDouble("", new double[]{busData.getMaxVoltage()}, 1);
    buses.setField("Vmax", vMax, 0, i);
    // P
    MLDouble p = new MLDouble("", new double[]{busData.getActivePower()}, 1);
    buses.setField("P", p, 0, i);
    // Q
    MLDouble q = new MLDouble("", new double[]{busData.getReactivePower() }, 1);
    buses.setField("Q", q, 0, i);
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
private void putGeneratorDataIntoMLStructure(LoadData loadData, MLStructure loads, int i) {
    LOGGER.debug("Preparing mat data for load " + loadData.getLoadId());
    // estremo_ID
    MLInt64 estremoId = new MLInt64("", new long[]{loadData.getBusIndex()}, 1);
    loads.setField("estremo_ID", estremoId, 0, i);
    // estremo
    MLChar estremo = new MLChar("", loadData.getBusId());
    loads.setField("estremo", estremo, 0, i);
    // codice
    MLChar codice = new MLChar("", loadData.getLoadId());
    loads.setField("codice", codice, 0, i);
    // conn
    int connected = 0;
    if (loadData.isConnected()) {
        connected = 1;
    }
    MLInt64 disp = new MLInt64("", new long[]{connected}, 1);
    loads.setField("conn", disp, 0, i);
    // P
    MLDouble p = new MLDouble("", new double[]{loadData.getActvePower()}, 1);
    loads.setField("P", p, 0, i);
    // Q
    MLDouble q = new MLDouble("", new double[]{loadData.getReactvePower()}, 1);
    loads.setField("Q", q, 0, i);
    // V
    MLDouble v = new MLDouble("", new double[]{loadData.getVoltage()}, 1);
    loads.setField("V", v, 0, i);
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
private void putStochasticVariablesIntoMLStructure(StochasticVariable stochasticVariable, MLStructure stochVars, int i) {
    LOGGER.debug("Preparing mat data for stochastic variable " + stochasticVariable.getId());
    // id
    MLChar id = new MLChar("", stochasticVariable.getId());
    stochVars.setField("id", id, 0, i);
    // type
    MLChar type = new MLChar("", stochasticVariable.getType());
    stochVars.setField("type", type, 0, i);
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
public void writeMatlabFile2() throws Exception
{
    // Example values
    final VType[] values = new VType[10];
    for (int i=0; i<10; ++i)
        values[i] = new ArchiveVNumber(VTypeHelper.getTimestamp(null), AlarmSeverity.NONE, "OK",
                ValueFactory.displayNone(),
                Math.exp(-((5.0-i)*(5.0-i))) );

    // Turn values into Matlab data
    final int[] dims = new int[] { values.length, 1 };
    final MLDouble value = new MLDouble(null, dims);
    final MLCell time = new MLCell(null, dims);
    final MLCell severity = new MLCell(null, dims);
    final MLCell status = new MLCell(null, dims);
    for (int i=0; i<values.length; ++i)
    {
        value.set(VTypeHelper.toDouble(values[i]), i);
        setCellText(time, i, TimestampHelper.format(VTypeHelper.getTimestamp(values[i])));
        setCellText(severity, i, VTypeHelper.getSeverity(values[i]).toString());
        setCellText(severity, i, VTypeHelper.getMessage(values[i]));
    }
    final MLStructure struct = new MLStructure("channel0", new int[] { 1, 1 });
    struct.setField("value", value);
    struct.setField("time", time);
    struct.setField("severity", severity);
    struct.setField("status", status);

    // Write to file
    final MatFileIncrementalWriter writer = new MatFileIncrementalWriter("mat_file2.mat");
    writer.write(struct);
    writer.close();
}
 

import com.jmatio.types.MLStructure; //导入方法依赖的package包/类
/**
 * Test <code>MatFileFilter</code> options
 * @throws IOException 
 */
@Test
public void testMLStructure() throws IOException
{
    //array name
    //file name in which array will be storred
    String fileName = "mlstruct.mat";
    File outFile = temp.newFile( fileName );

    //test column-packed vector
    double[] src = new double[] { 1.3, 2.0, 3.0, 4.0, 5.0, 6.0 };
    
    //create 3x2 double matrix
    //[ 1.0 4.0 ;
    //  2.0 5.0 ;
    //  3.0 6.0 ]
    MLDouble mlDouble = new MLDouble( null, src, 3 );
    MLChar mlChar = new MLChar( null, "I am dummy" );
    
    
    MLStructure mlStruct = new MLStructure("str", new int[] {1,1} );
    mlStruct.setField("f1", mlDouble);
    mlStruct.setField("f2", mlChar);
    
    //write array to file
    ArrayList<MLArray> list = new ArrayList<MLArray>();
    list.add( mlStruct );
    
    //write arrays to file
    new MatFileWriter( outFile, list );
    
    //read array form file
    MatFileReader mfr = new MatFileReader( outFile );
    MLStructure mlArrayRetrived = (MLStructure)mfr.getMLArray( "str" );
    
    assertEquals(mlDouble, mlArrayRetrived.getField("f1") );
    assertEquals(mlChar, mlArrayRetrived.getField("f2") );
    

}