To retrieve measurement values from a NetCDF or Grib model, you can use a ALcdMeasureProvider created by an ILcdModelMeasureProviderFactory.

Program: retrieving measurements from a NetCDF model
//Decode the model
List<TLcdISO19103Measure> measurementsToReturn = new ArrayList<>();
String source = "Data/NetCDF/cloud_cover.nc";
TLcdNetCDFModelDecoder decoder = new TLcdNetCDFModelDecoder();
ILcd2DBoundsIndexedModel model = (ILcd2DBoundsIndexedModel) decoder.decode(source);

//Create an ALcdMeasureProvider by using the ILcdModelMeasureProviderFactory instances registered as service
Iterator<ILcdModelMeasureProviderFactory> iterator = TLcdServiceLoader.getInstance(ILcdModelMeasureProviderFactory.class).iterator();
ALcdMeasureProvider measureProvider = null;
while (iterator.hasNext() && measureProvider == null) {
  ILcdModelMeasureProviderFactory factory = iterator.next();
  measureProvider = factory.createMeasureProvider(model);
}

//Query the ALcdMeasureProvider for the measurements at a certain location
if (measureProvider != null) {
  ILcdModelReference modelReference = model.getModelReference();
  ILcdPoint center = model.getBounds().getCenter();

  ALcdMeasureProvider.Parameters params = ALcdMeasureProvider.Parameters.newBuilder().build();
  TLcdISO19103Measure[] measurements = measureProvider.retrieveMeasuresAt(center, modelReference, params);
  for (TLcdISO19103Measure measurement : measurements) {
    //do something with the measurement
    System.out.println("measurement = " + measurement);
  }
}