Not taking Set() attributes

[magick]

We tried your script with the latest ImageMagick release, 6.3.2, and it worked as expected. The ImageMagick logo returned

• TIFF Directory at offset 0x1892 (6290)
  Image Width: 640 Image Length: 480
  Resolution: 72, 72 (unitless)
  Bits/Sample: 1
  Compression Scheme: CCITT Group 4
  Photometric Interpretation: min-is-black
  FillOrder: msb-to-lsb
  Orientation: row 0 top, col 0 lhs
  Samples/Pixel: 1
  Rows/Strip: 480
  Planar Configuration: single image plane
  DocumentName: image.tiff
  Software: ImageMagick 6.3.2 02/21/07 Q8 http://www.imagemagick.org