Both problems are solved with the latest build. Please rebuild (or
re-install) the GR.jl master branch.
It seems, that the (new) Cairo backend needs some more testing :-)
Regards,
Josef
On Thursday, April 14, 2016 at 8:59:37 AM UTC+2, Daniel Carrera wrote:
>
> Hello Josef,
>
> Thanks for the help. I am now back in front of my Macbook and I tried your
> instructions. savefig() still doesn't work but the message is different now:
>
> julia> savefig("plot.png")
> GKS: dlopen(/Users/daniel/.julia/v0.4/GR/deps/gr/lib/cairoplugin.so, 1):
> Library not loaded:
> /Users/jheinen/src/gr/3rdparty/cairo/../build/lib/libcairo.2.dylib
>
> Referenced from: /Users/daniel/.julia/v0.4/GR/deps/gr/lib/cairoplugin.so
> Reason: image not found
>
> It seems to have "/Users/jheinen/..." hard-coded in somewhere. I checked,
> and this is only a problem with OS X. On my Ubuntu workstation savefig()
> works fine. While we are on the subject of experimenting with GR, I noticed
> that xlabel() and ylabel() do not display text in parenthesis. For example:
>
>
> xlabel("Time (ms)")
> ylabel("Height (km)")
>
> On the plot, these will show as just "Time" and "Height". This happens on
> both OSX and Ubuntu.
>
> I will try the PyPlot patch later. I'd like to see how the plots look.
> Thanks for your work on GR and making the backend for Matplotlib.
>
> Cheers,
> Daniel.
>
>
> On 13 April 2016 at 13:57, Josef Heinen <[email protected] <javascript:>>
> wrote:
>
>> To solve the PyPlot backend problem, I made a PR (Add support for the GR
>> backend #207 <https://github.com/stevengj/PyPlot.jl/pull/207>) . This
>> patch solved the problem for me.
>>
>> To fix the savefig() problem, please checkout the GR.jl master ( Pkg.
>> checkout("GR")) and/or rebuild the package.
>> There was a configuration error on my build system (for OS X) which I
>> didn't realize. Sorry!
>>
>> Regards,
>> Josef
>>
>> On Wednesday, April 13, 2016 at 1:34:31 AM UTC+2, Daniel Carrera wrote:
>>>
>>> Hello,
>>>
>>> So... GR is a new plotting framework that is faster than Matplotlib and
>>> can be used as a backend for Matplotlib, including Julia's PyPlot package.
>>>
>>> https://github.com/jheinen/gr
>>> http://gr-framework.org/tutorials/matplotlib.html
>>>
>>> I have installed GR,
>>>
>>> > Pkg.add("GR")
>>>
>>> and my reading of the second link is that all I have to do to get
>>> Matplotlib to use GR is change an environment variable:
>>>
>>> export MPLBACKEND="module://gr.matplotlib.backend_gr"
>>>
>>>
>>> So I did that, but that doesn't seem to have changed anything in PyPlot:
>>>
>>> julia> using PyPlot
>>>
>>> julia> plt[:get_backend]()
>>> "TkAgg"
>>>
>>> julia> plt[:switch_backend]()
>>>
>>> ERROR ... valid backends are ['pdf', 'pgf', 'Qt4Agg', 'Gtk' ...]
>>>
>>>
>>> So it looks like I'm missing some steps. I don't know whether the
>>> problem is on the Julia side or the Python side. Does anyone know how to
>>> get PyPlot to work with GR?
>>>
>>>
>>> On a related note, I tried using GR on its own. It went well until I
>>> tried to save.
>>>
>>> julia> using GR
>>> ...
>>> julia> savefig("plot.png")
>>> GKS: Ghostscript support not compiled in
>>>
>>>
>>> Since GKS was installed by `Pkg.add()`, I don't know how I'm supposed to
>>> recompile it with Ghostscript support. Does anyone know?
>>>
>>>
>>> Thanks for the help.
>>>
>>> Cheers,
>>> Daniel.
>>>
>>
>
