if(properties.getProperty(prefix+"gmap_crop_extra")!=null)this.gmap_crop_extra=Integer.parseInt(properties.getProperty(prefix+"gmap_crop_extra"));// int
// set it to ifd_attr "javax.imageio.plugins.tiff.BaselineTIFFTagSet,javax.imageio.plugins.tiff.ExifGPSTagSet,javax.imageio.plugins.tiff.ExifParentTIFFTagSet" (id=187)