[julia-users] Jiahao nb color of chemistry gives me only one error...

[Henri Girard]

#Creates a plot layer for each color transfer function (ctf)
ctf_layer(i)=layer(Geom.line,
  x=360:830, y=Colors.cie1931_cmf_table[:,i],
  color=fill(string('x'+i-1, '̄'), 471), #Generate name of ctf
)

[ctf_layer(i) for i=1:3]

#Plot the X, Y and Z ctfs
plot(Guide.XLabel("λ (nm)"), Guide.YLabel("Sensitivity"),
  Guide.colorkey("ctf"),
  #color each ctf by wavelength of peak sensitivity
  Scale.color_discrete_manual( 
    map(colormatch, 359.+[indmax(Colors.cie1931_cmf_table[:,i]) for 
i=1:3])...), [ctf_layer(i) for i=1:3]...,)


ArgumentError: invalid ASCII sequence


Any help to correct this ?

Best regards
Henri