Examples of de.sciss.eisenkraut.io.DecimatedSonaTrail

de.sciss.eisenkraut.io.DecimatedSonaTrail
ound.sourceforge.net/).
Performance tests with the new SlidingDFT class were quite disappointing. Even in the worst scenario, fftSize=32768 and stepSize=128, the plain FFT approach is still 7.5 times faster than the sliding DFT variant... @version 0.70, 28-Jun-08 @author Hanns Holger Rutz @todo editing (addAllDep) @todo delay compensation (fftSize data seems to be missing,the necessary pre-delay seems to be fftSize / 2) @todo cache management @todo cost-calculation of potential sliding DFT @todo there's an efficient multi-channel FFT? @todo the AsyncEvent should have Span info so DocumentFramedoesn't always need to repaint

    
    if( waveExpanded ) {
      if( verticalScale == PrefsUtil.VSCALE_FREQ_SPECT ) {
        if( doc.getDecimatedSonaTrail() == null ) {
          try {
            final DecimatedSonaTrail dst = doc.createDecimatedSonaTrail();
            // set initial freq bounds of waveview
            waveView.setFreqMinMax( dst.getMinFreq(), dst.getMaxFreq() );
          }
          catch( IOException e1 ) {
            e1.printStackTrace();
          }
        }

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  public DecimatedSonaTrail createDecimatedSonaTrail()
  throws IOException
  {
    if( dst == null ) {      
      dst  = new DecimatedSonaTrail( at, DecimatedTrail.MODEL_SONA /*, sonaDecims */ );
    }
    return dst;
  }

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    }
  }


  private void paintFreqSpect( Graphics2D g2 )
  {
    final DecimatedSonaTrail  dt    = doc.getDecimatedSonaTrail();
    if( dt == null ) return;
    
    final int  w    = getWidth();
//    Rectangle  cr;
//    int      y;
    
    info  = dt.getBestSubsample( new Span( viewSpan.start, viewSpan.stop + 1 ), w );
    dt.drawWaveform( info, this, g2 );


// XXX
//    if( nullLinie ) {
//      g2.setPaint( pntNull );
//      g2.setStroke( strkNull );

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