deletions | additions       diff --git a/figures/image12.eps b/figures/image12.eps  new file mode 100644  index 0000000..f192a8f  --- /dev/null  +++ b/figures/image12.eps 
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%!PS-Adobe-3.0 EPSF-3.0  %%Creator: (ImageMagick)  %%Title: (C:/Users/SCC/AppData/Local/Temp/magick-IOy7JlRa)  %%CreationDate: (2015-04-06T21:10:26+06:00)  %%BoundingBox: -0 -0 15 11  %%HiResBoundingBox: 0 0 15 11  %%DocumentData: Clean7Bit  %%LanguageLevel: 1  %%Pages: 1  %%EndComments  %%BeginDefaults  %%EndDefaults  %%BeginProlog  %  % Display a color image. The image is displayed in color on  % Postscript viewers or printers that support color, otherwise  % it is displayed as grayscale.  %  /DirectClassPacket  {  %  % Get a DirectClass packet.  %  % Parameters:  % red.  % green.  % blue.  % length: number of pixels minus one of this color (optional).  %  currentfile color_packet readhexstring pop pop  compression 0 eq  {  /number_pixels 3 def  }  {  currentfile byte readhexstring pop 0 get  /number_pixels exch 1 add 3 mul def  } ifelse  0 3 number_pixels 1 sub  {  pixels exch color_packet putinterval  } for  pixels 0 number_pixels getinterval  } bind def  /DirectClassImage  {  %  % Display a DirectClass image.  %  systemdict /colorimage known  {  columns rows 8  [  columns 0 0  rows neg 0 rows  ]  { DirectClassPacket } false 3 colorimage  }  {  %  % No colorimage operator; convert to grayscale.  %  columns rows 8  [  columns 0 0  rows neg 0 rows  ]  { GrayDirectClassPacket } image  } ifelse  } bind def  /GrayDirectClassPacket  {  %  % Get a DirectClass packet; convert to grayscale.  %  % Parameters:  % red  % green  % blue  % length: number of pixels minus one of this color (optional).  %  currentfile color_packet readhexstring pop pop  color_packet 0 get 0.299 mul  color_packet 1 get 0.587 mul add  color_packet 2 get 0.114 mul add  cvi  /gray_packet exch def  compression 0 eq  {  /number_pixels 1 def  }  {  currentfile byte readhexstring pop 0 get  /number_pixels exch 1 add def  } ifelse  0 1 number_pixels 1 sub  {  pixels exch gray_packet put  } for  pixels 0 number_pixels getinterval  } bind def  /GrayPseudoClassPacket  {  %  % Get a PseudoClass packet; convert to grayscale.  %  % Parameters:  % index: index into the colormap.  % length: number of pixels minus one of this color (optional).  %  currentfile byte readhexstring pop 0 get  /offset exch 3 mul def  /color_packet colormap offset 3 getinterval def  color_packet 0 get 0.299 mul  color_packet 1 get 0.587 mul add  color_packet 2 get 0.114 mul add  cvi  /gray_packet exch def  compression 0 eq  {  /number_pixels 1 def  }  {  currentfile byte readhexstring pop 0 get  /number_pixels exch 1 add def  } ifelse  0 1 number_pixels 1 sub  {  pixels exch gray_packet put  } for  pixels 0 number_pixels getinterval  } bind def  /PseudoClassPacket  {  %  % Get a PseudoClass packet.  %  % Parameters:  % index: index into the colormap.  % length: number of pixels minus one of this color (optional).  %  currentfile byte readhexstring pop 0 get  /offset exch 3 mul def  /color_packet colormap offset 3 getinterval def  compression 0 eq  {  /number_pixels 3 def  }  {  currentfile byte readhexstring pop 0 get  /number_pixels exch 1 add 3 mul def  } ifelse  0 3 number_pixels 1 sub  {  pixels exch color_packet putinterval  } for  pixels 0 number_pixels getinterval  } bind def  /PseudoClassImage  {  %  % Display a PseudoClass image.  %  % Parameters:  % class: 0-PseudoClass or 1-Grayscale.  %  currentfile buffer readline pop  token pop /class exch def pop  class 0 gt  {  currentfile buffer readline pop  token pop /depth exch def pop  /grays columns 8 add depth sub depth mul 8 idiv string def  columns rows depth  [  columns 0 0  rows neg 0 rows  ]  { currentfile grays readhexstring pop } image  }  {  %  % Parameters:  % colors: number of colors in the colormap.  % colormap: red, green, blue color packets.  %  currentfile buffer readline pop  token pop /colors exch def pop  /colors colors 3 mul def  /colormap colors string def  currentfile colormap readhexstring pop pop  systemdict /colorimage known  {  columns rows 8  [  columns 0 0  rows neg 0 rows  ]  { PseudoClassPacket } false 3 colorimage  }  {  %  % No colorimage operator; convert to grayscale.  %  columns rows 8  [  columns 0 0  rows neg 0 rows  ]  { GrayPseudoClassPacket } image  } ifelse  } ifelse  } bind def  /DisplayImage  {  %  % Display a DirectClass or PseudoClass image.  %  % Parameters:  % x & y translation.  % x & y scale.  % label pointsize.  % image label.  % image columns & rows.  % class: 0-DirectClass or 1-PseudoClass.  % compression: 0-none or 1-RunlengthEncoded.  % hex color packets.  %  gsave  /buffer 512 string def  /byte 1 string def  /color_packet 3 string def  /pixels 768 string def  currentfile buffer readline pop  token pop /x exch def  token pop /y exch def pop  x y translate  currentfile buffer readline pop  token pop /x exch def  token pop /y exch def pop  currentfile buffer readline pop  token pop /pointsize exch def pop  /Times-Roman findfont pointsize scalefont setfont  x y scale  currentfile buffer readline pop  token pop /columns exch def  token pop /rows exch def pop  currentfile buffer readline pop  token pop /class exch def pop  currentfile buffer readline pop  token pop /compression exch def pop  class 0 gt { PseudoClassImage } { DirectClassImage } ifelse  } bind def  %%EndProlog  %%Page: 1 1  %%PageBoundingBox: 0 0 15 11  userdict begin  DisplayImage  0 0  15 11  12  15 11  0  0  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA26918  1F25313A3C311D1745D2FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD9  5F21146FC7FFFFFFD26559AFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFCF976C4173ACFFFFFFFFFFD5420C32D7FCFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF9EFDD  B2A2C1F7FFFFFFFFFFA5685470A9E5FFFFFFBF833A255BBEFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFDAA968000012DCFFFFFFFFFFF3CDA93327212A1E101B4569ECFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFF9D71428EC3EBFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF  end  %%PageTrailer  %%Trailer  %%EOF