// Machado's portrait as a medaillon for the cover
// Last edited on 2012-02-19 01:41:42 by stolfilocal

#declare cover_face_inset_thk = 0.25;
#declare cover_face_img_thk = 0.25;
#declare cover_face_img_dY = -1.0;

#declare cover_face_inset = 
  object{ oval_plate(cover_face_inset_szX, cover_face_inset_szY, cover_face_inset_thk) }

#declare cover_face_paint = 
  union{
    height_field {
      png "images/machado-57-line-n.png"
      smooth
      water_level 0.1
      rotate -90*x 
      translate < -0.5, -0.5, 0 >
      scale < 1, 1, -1 >
      scale < cover_face_img_szX, cover_face_img_szY, cover_face_img_thk >
      translate cover_face_img_dY*y
      translate -0.50*cover_face_img_thk*z
      translate -0.50*cover_face_inset_thk*z
    }
  }