clipgenerator
Class ClipProcess

java.lang.Object
  PamguardMVC.PamProcess
      Spectrogram.SpectrogramMarkProcess
          clipgenerator.ClipProcess

All Implemented Interfaces:

Annotator, PamObserver, SpectrogramMarkObserver

public class ClipProcess
extends SpectrogramMarkProcess

Field Summary

Fields inherited from class PamguardMVC.PamProcess

outputDataBlocks, processName, sampleRate

Fields inherited from interface Spectrogram.SpectrogramMarkObserver

MOUSE_DOWN, MOUSE_UP

Constructor Summary

ClipProcess(PamControlledUnit pamControlledUnit)

Method Summary

void	spectrogramNotification(SpectrogramDisplay display, int downUp, int channel, long startMilliseconds, long duration, double f1, double f2) Override this to process data from the marked spectrogram.

Methods inherited from class Spectrogram.SpectrogramMarkProcess

getMarkObserverName, pamStart, pamStop

Methods inherited from class PamguardMVC.PamProcess

absMillisecondsToSamples, absSamplesToMilliseconds, addOutputDataBlock, changedThreading, clearOldData, createAnnotations, destroyProcess, fillXMLElement, fillXMLParameters, getAncestorDataBlock, getAnnotation, getBackendProcess, getChainPosition, getCpuPercent, getNumAnnotations, getNumOutputDataBlocks, getObserverName, getObserverObject, getOfflineData, getOutputDataBlock, getPamControlledUnit, getParentDataBlock, getParentProcess, getProcessName, getRawSourceDataBlock, getRequiredDataHistory, getSampleRate, getSourceDataBlock, getSourceProcess, isCanMultiThread, makePamProcess, masterClockUpdate, newData, noteNewSettings, notifyModelChanged, prepareProcess, relMillisecondsToSamples, relSamplesToMilliseconds, removeObservable, removeOutputDatablock, saveViewerData, setBackendProcess, setCanMultiThread, setParentDataBlock, setParentDataBlock, setProcessName, setSampleRate, setupProcess, toString, update, updateData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ClipProcess

public ClipProcess(PamControlledUnit pamControlledUnit)

Method Detail

spectrogramNotification

public void spectrogramNotification(SpectrogramDisplay display,
                                    int downUp,
                                    int channel,
                                    long startMilliseconds,
                                    long duration,
                                    double f1,
                                    double f2)

Description copied from class: SpectrogramMarkProcess

Override this to process data from the marked spectrogram.

The spectrogram will have already ensured that Raw waveform data and FFT data that made the SpectrogramDisplay are still in memory and the data blocks can be accessed using

PamRawDataBlock rawDataBlock = (PamRawDataBlock) display.getSourceRawDataBlock();

and

PamDataBlock fftDataBlock = display.getSourceFFTDataBlock();

To obtain raw data, first convert the startMilliseconds and duration to sample numbers using

long startSample = absMillisecondsToSamples(startMilliseconds);

and

int numSamples = (int) relMillisecondsToSamples(duration);

then make a bitmap of the channels you wnat -

int channelMap;

channelMap = PamUtils.SetBit(0, channel, 1); // just the channel that had the mark

channelMap = rawDataBlock.getChannelMap(); // all channels in the raw data block

Then get teh samples from the raw data block ...

double[][] rawData = rawDataBlock.getSamples(startSample, numSamples, channelMap);

To get the FFT data, use PamDataUnit fftDataUnit;

int fftDataUnitIndex = fftDataBlock.getIndexOfFirstUnitAfter(startMilliseconds);

if (fftDataUnitIndex >= 0) while (fftDataUnitIndex < fftDataBlock.getUnitsCount()) {

fftDataUnit = fftDataBlock.getDataUnit(fftDataUnitIndex, PamDataBlock.REFERENCE_CURRENT);

if (fftDataUnit.timeMilliseconds + fftDataUnit.duration > startMilliseconds + duration) {

break;

}

// process that unit in any way you want, then get the next unit

fftDataUnitIndex ++;

}

Remember that the data units will contain one channel of fft data each and multiple channels may be interleaved.

Specified by:

spectrogramNotification in interface SpectrogramMarkObserver

Overrides:

spectrogramNotification in class SpectrogramMarkProcess