code: public boolean isSameType( ImageType o ) {
  		if( family != o.family )
  			return false;
  		if( dataType != o.dataType)
  			return false;
  		if( numBands != o.numBands )
  			return false;
  		return true;
  	}
docs: Returns true if the passed in ImageType is the same as this image type