Hello colleague, i tend to agree, there is something wrong with Images.jl. I get lobi@orange4:~/juliarepo$ ../julia04/julia _ _ _ _(_)_ | A fresh approach to technical computing (_) | (_) (_) | Documentation: http://docs.julialang.org _ _ _| |_ __ _ | Type "help()" for help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 0.4.0-dev+6526 (2015-08-07 14:14 UTC) _/ |\__'_|_|_|\__'_| | Commit dcc448b* (7 days old master) |__/ | x86_64-linux-gnu
with Pkg.status() WARNING: unknown Clang commit c4d18994, metadata may be ahead of package cache 13 required packages: - BinDeps 0.3.14 - Clang 0.0.5+ 9b668ecf - Dates 0.4.4 - Gadfly 0.3.13 - GraphViz 0.0.4 master - Graphs 0.5.5 - Gtk 0.8.2+ new_canvas - Images 0.4.43 - PyCall 0.8.2 - PyPlot 1.5.3 - Tk 0.3.4+ f283145f - Vega 0.3.3 - Winston 0.11.11 i get a different error, but still... julia> imwrite(img,"image.pbm") ERROR: MethodError: `imwrite` has no method matching imwrite(::Images. ImageCmap{Color.RGB{T<:Union{FixedPointNumbers.FixedPoint,AbstractFloat}},2, Array{UInt8,2}}, ::IOStream, ::Type{Images.PBMBinary}) Closest candidates are: imwrite{T<:Images.ImageFileType}(::Any, ::AbstractString, ::Type{T<:Images .ImageFileType}) imwrite{T<:Color.ColorValue{T}}(::AbstractArray{T<:Color.ColorValue{T},N}, ::IO, ::Type{Images.PPMBinary}) imwrite{T<:Color.ColorValue{T}}(::AbstractArray{T<:Color.ColorValue{T},N}, ::IO, ::Type{Images.PPMBinary}, ::Any) ... in anonymous at /home/lobi/.julia/v0.4/Images/src/io.jl:197 in open at iostream.jl:114 in imwrite at /home/lobi/.julia/v0.4/Images/src/io.jl:196 in imwrite at /home/lobi/.julia/v0.4/Images/src/io.jl:186