wrong plot size in gr.jl example on a mac retina display

[piever]

Not sure if it's a GR or a QML issue. On my machine (mac OS using built in retina display) when I run the example "gr.jl", the plot has the wrong size:

For it to be of a more appropriate size I need to manually change this line to

plt[:size] = (width(dev)/2, height(dev)/2)

I wonder if it's a bug with pixel doubling in retina display. I don't know how the plot would look like on another machine.

[barche]

This is definitely due to the Retina display. In the console there should be output like this:

pixel ratio: 1.0

Hopefully with a value different from 1.0, can you confirm that and tell me the value (presumably 2 or 0.5)?

[piever]

I see, so you should divide width(dev) and height(dev) by the pixel ratio to get the correct size.

Here's my output:

julia> include(joinpath(Pkg.dir("QML"), "example", "gr.jl"))
WARNING: redefining constant screeninfo
pixel ratio: 2.0
screeninfo.pixel_ratio = 2.0
"Example of GR.jl integration\n"

[piever]

Just noticed, that's the solution chosen in GR.jl, see here:

https://github.com/jheinen/GR.jl/blob/master/examples/qml_plots_ex.jl#L27

[barche]

OK, cool, I'll update the example also with some control points, but I still need to work out some problems with the coordinate conversion.

[ufechner7]

Should work in QML 0.8