Created
March 26, 2019 10:02
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# load test image | |
using Makie | |
using AbstractPlotting: limits | |
# The data | |
""" | |
Very simple resampling of an index range | |
""" | |
function resample(range) | |
if length(range) > 100_000 | |
skip = length(range) ÷ 100_000 | |
return minimum(range):skip:maximum(range) | |
end | |
return range | |
end | |
using TableReader | |
data = readcsv(joinpath(homedir(), "Downloads", "Performance_2016Q1.csv"), delim = '|', header = [Symbol("var_$i") for i in 1:31], chunksize = 0) | |
x = 1:size(data, 1) | |
y = data[4] | |
x = resample(x) | |
lplot = lines(x, view(y, x), color = (:black, 0.01), transparency = true) | |
xrange = Node(50.0 => 100.0) | |
function selector!(scene, range, side) | |
lselect = lift(limits(scene), range) do lims, r | |
wh = widths(lims) | |
xmin, ymin = minimum(lims) | |
xmin, xmax = r | |
w = wh[1] * 0.01 # take height as relative unit, because it doesn't change | |
if side == :left | |
return FRect(xmin - w, ymin, w, wh[2]) | |
else | |
return FRect(xmax, ymin, w, wh[2]) | |
end | |
end | |
p = poly!(scene, lselect, color = (:lightblue, 0.8), strokecolor = :white, strokewidth = 1, overdraw = true)[end] | |
# translate to be in the foreground | |
translate!(p, 0.0, 0.0, 5.0) | |
on(events(scene).mousedrag) do drag | |
if ispressed(scene, Mouse.left) && mouseover(scene, p) | |
xvalue = mouseposition(scene)[1] | |
if side == :left | |
range[] = xvalue => maximum(range[]) | |
else | |
range[] = minimum(range[]) => xvalue | |
end | |
end | |
return | |
end | |
return p | |
end | |
function range_widget!(scene, plot, range) | |
rect = lift(limits(scene), range) do lims, r | |
xmin, ymin = minimum(lims) | |
xmax, ymax = maximum(lims) | |
xmin, xmax = r | |
Rect(xmin, ymin, xmax - xmin, ymax - ymin) | |
end | |
poly!(scene, rect, color = (:gray, 0.4), transparency = true) | |
lp = selector!(scene, range, :left) | |
rp = selector!(scene, range, :right) | |
end | |
range_widget!(lplot, lplot[end], xrange) | |
zoompoints = map(xrange) do range | |
i_start = findfirst(x-> x > range[1], x) | |
i_stop = findlast(x-> x < range[2], x) | |
zoomrange = resample(i_start:i_stop) | |
Point2f0.(view(x, zoomrange), view(y, zoomrange)) | |
end | |
zoomplot = lines(zoompoints) | |
on(zoompoints) do x | |
AbstractPlotting.update_limits!(zoomplot); | |
AbstractPlotting.update!(zoomplot); | |
end | |
xrange[] = (100000 => 200000) | |
hbox(lplot, zoomplot) |
Author
SimonDanisch
commented
Mar 26, 2019
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