count number of pixels of zero intensity in ROIs

Short Description

Versions

• Version 2 • Released on: 2014-09-10 10:01:34
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  Description:

  Script fixed ( ==0 instead of != 0 )
  Percentage added

  importClass(Packages.icy.sequence.SequenceDataIterator)
  importClass(Packages.icy.roi.ROIUtil)
  
  seq = getSequence()
  
  roiList = seq.getROI2Ds()
  
  for ( i = 0 ; i < roiList.size() ; i++ )
  {
  	
  	roi = roiList.get( i )
  	println("ROI " + roi.getName() +":" )
  
  	totalPixel = roi.getArea()
  	println("Total number of pixel: " + totalPixel )
  
  	iterator = new SequenceDataIterator( seq, roi)
  	nbPixelZeroValue = 0
  	while ( !iterator.done() )
  	{	
  		value = iterator.get()
  		if ( value == 0 ) nbPixelZeroValue++
  
  		iterator.next()
  	}
  	
  	println( "number of pixels having value 0:" + nbPixelZeroValue )
  
  	percentOfPixelAtZero = 100.0 * nbPixelZeroValue / totalPixel
  	println( "% of pixel at 0 value: " + percentOfPixelAtZero )
  	
  }
  
  

• Version 1 • Released on: 2014-09-08 11:12:12
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  Description:

  initial version

  importClass(Packages.icy.sequence.SequenceDataIterator)
  importClass(Packages.icy.roi.ROIUtil)
  
  seq = getSequence()
  
  roiList = seq.getROI2Ds()
  
  for ( i = 0 ; i < roiList.size() ; i++ )
  {
  	roi = roiList.get( i )
  	println("ROI " + roi.getName() +":" )
  
  	println("Total number of pixel: " + roi.getArea() )
  
  	iterator = new SequenceDataIterator( seq, roi)
  	nbPixelZeroValue = 0
  	while ( !iterator.done() )
  	{	
  		value = iterator.get()
  		if ( value != 0 ) nbPixelZeroValue++
  
  		iterator.next()
  	}
  	
  	println( "number of pixels having value 0:" + nbPixelZeroValue )
  	
  }