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multipleplots.jl
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multipleplots.jl
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using EasyVega
# create a Data element with dummy numbers
dat = Data(
values = [
(x= 0, y= 28),
(x= 1, y= 43),
(x= 2, y= 81),
(x= 3, y= 19),
(x= 4, y= 52),
]
)
# group 1
grp1 = begin
xscale = LinearScale(range="width", domain=dat.x)
yscale = LinearScale(range="height", domain=dat.y)
lmark = LineMark( :x => xscale(dat.x), :y => yscale(dat.y))
# note that width and height have to be set in order for the group
# to render correctly
GroupMark(
axes = [ xscale(orient="bottom"), yscale(orient="left") ],
marks= [ lmark ],
:width => (signal="width",),
:height => (signal="height",),
)
end
# group 2
grp2 = begin
xscale = BandScale(range="width", domain=dat.x)
yscale = LinearScale(range="height", domain=dat.y)
lmark = RectMark(
:x => xscale(dat.x), :width => xscale(band=1, offset=-1),
:y => yscale(0), :y2 => yscale(dat.y),
:fill => :orange
)
GroupMark(
axes = [ xscale(orient="bottom"), yscale(orient="left") ],
marks= [ lmark ] ,
:width => (signal="width",),
:height => (signal="height",),
)
end
# group 3
grp3 = begin
# translate y value to angles for the pie chart
fcdata = Data(source=dat,
transform=[ (type="pie", field=:y) ] )
rmark = ArcMark(
:x => (signal="width/2",),
:y => (signal="height/2",),
:startAngle => fcdata.startAngle,
:endAngle => fcdata.endAngle,
:stroke => :black,
:fill => :lightgreen,
:outerRadius => 100,
)
GroupMark(
marks= [ rmark ]
)
end
VG(width=200, height=200, padding=20, background= "white",
layout= (columns=2, padding=20),
marks= [ grp1, grp2, grp3 ],
)