// Overviews or full resolution?
//
boolean fullResolution=true;
// boolean multipage=false;
final int newSubfileType;
TIFFField tifField=null;
if((tifField=IFD.getTIFFField(254))!=null)
newSubfileType=tifField.getAsInt(0);
else
newSubfileType=0;// default is single independent image
fullResolution=(newSubfileType&0x1)!=1?true:false;
// multipage=((newSubfileType>>1)&0x2)!=1?true:false;
slice.overview=!fullResolution;