IntervalSlider

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The interval slider selects an interval (low, high) from the supplied attribute range. The (approximate) start values can be set with startvalues.

The currently selected interval is in the attribute interval and is a Tuple of (low, high). Don’t change this value manually, but use the function set_close_to!(intslider, v1, v2). This is necessary to ensure the values are actually present in the range attribute.

You can click anywhere outside of the currently selected range and the closer interval edge will jump to the point. You can then drag the edge around. When hovering over the slider, the larger button indicates the edge that will react.

If the mouse hovers over the central area of the interval and both buttons are enlarged, clicking and dragging shifts the interval around as a whole.

You can double-click the slider to reset it to the values present in startvalues. If startvalues === Makie.automatic, the full interval will be selected (this is the default).

If you set the attribute snap = false, the slider will move continuously while dragging and only jump to the closest available values when releasing the mouse.

using GLMakie

f = Figure()
Axis(f[1, 1], limits = (0, 1, 0, 1))

rs_h = IntervalSlider(f[2, 1], range = LinRange(0, 1, 1000),
    startvalues = (0.2, 0.8))
rs_v = IntervalSlider(f[1, 2], range = LinRange(0, 1, 1000),
    startvalues = (0.4, 0.9), horizontal = false)

labeltext1 = lift(rs_h.interval) do int
    string(round.(int, digits = 2))
end
Label(f[3, 1], labeltext1, tellwidth = false)
labeltext2 = lift(rs_v.interval) do int
    string(round.(int, digits = 2))
end
Label(f[1, 3], labeltext2,
    tellheight = false, rotation = pi/2)

points = rand(Point2f, 300)

# color points differently if they are within the two intervals
colors = lift(rs_h.interval, rs_v.interval) do h_int, v_int
    map(points) do p
        (h_int[1] < p[1] < h_int[2]) && (v_int[1] < p[2] < v_int[2])
    end
end

scatter!(points, color = colors, colormap = [:gray90, :dodgerblue], strokewidth = 0)

f

Attributes

alignmode

Defaults to Inside()

The align mode of the slider in its parent GridLayout.

color_active

Defaults to COLOR_ACCENT[]

The color of the slider when the mouse clicks and drags the slider.

color_active_dimmed

Defaults to COLOR_ACCENT_DIMMED[]

The color of the slider when the mouse hovers over it.

color_inactive

Defaults to RGBf(0.94, 0.94, 0.94)

The color of the slider when it is not interacted with.

halign

Defaults to :center

The horizontal alignment of the slider in its suggested bounding box.

height

Defaults to Auto()

The height setting of the slider.

horizontal

Defaults to true

Controls if the slider has a horizontal orientation or not.

interval

Defaults to (0, 0)

The current interval of the slider. Don’t set this manually, use the function set_close_to!.

linewidth

Defaults to 10.0

The width of the slider line

range

Defaults to 0:0.01:10

The range of values that the slider can pick from.

snap

Defaults to true

Controls if the buttons snap to valid positions or move freely

startvalues

Defaults to Makie.automatic

The start values of the slider or the values that are closest in the slider range.

tellheight

Defaults to true

Controls if the parent layout can adjust to this element’s height

tellwidth

Defaults to true

Controls if the parent layout can adjust to this element’s width

valign

Defaults to :center

The vertical alignment of the slider in its suggested bounding box.

width

Defaults to Auto()

The width setting of the slider.