Styles
Preparation
val df =
DataFrame.readCSV("https://raw.githubusercontent.com/JetBrains/lets-plot-kotlin/master/docs/examples/data/mpg.csv")
df.head(3)
untitled | manufacturer | model | displ | year | cyl | trans | drv | cty | hwy | fl | class |
|---|---|---|---|---|---|---|---|---|---|---|---|
1 | audi | a4 | 18 | 1999 | 4 | auto\(l5\) | f | 18 | 29 | p | compact |
2 | audi | a4 | 18 | 1999 | 4 | manual\(m5\) | f | 21 | 29 | p | compact |
3 | audi | a4 | 2 | 2008 | 4 | manual\(m6\) | f | 20 | 31 | p | compact |
fun pointPlotWithStyle(
name: String,
baseStyle: Style = Style.Minimal2,
customStyleBuilder: CustomStyle.() -> Unit = {}
) =
df.plot {
points {
x(cty)
y(hwy)
}
layout {
title = name
style(baseStyle, customStyleBuilder)
}
}
df.plot {
points {
x(cty)
y(hwy)
}
}
val bPlotDf = df.groupBy { fl }.count()
fun barPlotWithStyle(
name: String,
baseStyle: Style = Style.Minimal2,
customStyleBuilder: CustomStyle.() -> Unit = {}
) =
bPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
layout {
title = name
style(baseStyle, customStyleBuilder)
}
}
bPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
}
val fPlotDf = df.groupBy { fl and year }.count()
fun barFacetPlotWithStyle(
name: String,
baseStyle: Style = Style.Minimal2,
customStyleBuilder: CustomStyle.() -> Unit = {}
) =
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
facetGridX(year)
layout {
title = name
style(baseStyle, customStyleBuilder)
}
}
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
facetGridX(year)
}
Elements
val eLine = LayoutParameters.line(color = Color.RED, width = 4.0)
val eLine2 = LayoutParameters.line(color = Color.hex("#fcae91"), width = 1.0)
val eLine3 = LayoutParameters.line(width = 4.0)
val eBackground = LayoutParameters.background(
borderLineColor = Color.hex("#2c7fb8"),
fillColor = Color.hex("#edf8b1"),
borderLineWidth = 2.0
)
val eText = LayoutParameters.text(color = Color.hex("#31a354"))
val (w, h) = listOf(400) to listOf(300)
Styles
plotGrid(
listOf(
pointPlotWithStyle("Minimal2 Style - by default"),
pointPlotWithStyle("Light Style", Style.Light),
pointPlotWithStyle("Classic Style", Style.Classic),
pointPlotWithStyle("Grey Style", Style.Grey),
pointPlotWithStyle("Minimal Style", Style.Minimal),
pointPlotWithStyle("None Style", Style.None)
),
nCol = 2,
fit = true
)
Custom Style
val yellowLight = Color.hex("#ffffcc")
val orangeDark = Color.hex("#7f2704")
val orangeNormal = Color.hex("#f16913")
val orangeLight = Color.hex("#fff5eb")
val styleOrangeConstructor: CustomStyle.() -> Unit = {
global {
line {
color = orangeNormal
width = 2.0
}
background {
borderLineColor = orangeNormal
fillColor = orangeLight
borderLineWidth = 2.0
}
text {
color = orangeDark
}
}
axis {
ticks {
color = orangeNormal
width = 1.0
}
ticksLength = 7.0
onTop = true
}
legend {
background {
borderLineWidth = 1.0
}
position = LegendPosition.Bottom
}
panel.grid {
majorLine {
color = orangeNormal
width = .5
}
minorLine {
blank = true
}
}
plotCanvas.background {
fillColor = yellowLight
borderLineWidth = 1.0
}
axis.tooltip.background {
borderLineColor = orangeDark
}
}
plotGrid(
listOf(
pointPlotWithStyle("Scatter plot", Style.None, styleOrangeConstructor),
barPlotWithStyle("Bar plot", Style.None, styleOrangeConstructor)
),
nCol = 2,
fit = true
)
barPlotWithStyle("Place legend") {
legend {
position(1.0, 1.0)
justification(1.0, 1.0)
direction = LegendDirection.HORIZONTAL
}
}
Axis Tooltip
plotGrid(
listOf(
pointPlotWithStyle("blank tooltip x-axis") {
xAxis.tooltip.background {
blank = true
}
},
pointPlotWithStyle("background tooltip x-axis") {
xAxis.tooltip.background(eBackground)
}
),
nCol = 2
)
Line, Background, Text
plotGrid(
listOf(
pointPlotWithStyle("Default"),
pointPlotWithStyle("Configured grid line") {
global.line(eLine)
}
),
nCol = 2
)
plotGrid(
listOf(
barPlotWithStyle("None style", Style.None),
barPlotWithStyle("None style + Rect", Style.None) {
global.background(eBackground)
}
),
nCol = 2
)
plotGrid(
listOf(
barFacetPlotWithStyle("Default"),
barFacetPlotWithStyle("Text") { global.text(eText) },
barFacetPlotWithStyle("Legend text") { legend.text(eText) },
barFacetPlotWithStyle("Strip text") { strip.text(eText) }
),
nCol = 2
)
plotGrid(
listOf(
barPlotWithStyle("Default"),
barPlotWithStyle("Text") { global.text(eText) },
barPlotWithStyle("Plot title") { plotCanvas.title(eText) },
barPlotWithStyle("Legend title") { legend.title(eText) }
),
nCol = 2
)
plotGrid(
listOf(
pointPlotWithStyle("Default"),
pointPlotWithStyle("Blank axis") {
axis.line {
blank = true
}
}
),
nCol = 2
)
plotGrid(
listOf(
pointPlotWithStyle("Default"),
pointPlotWithStyle("Panel background") {
panel.background(eBackground)
}
),
nCol = 2
)
plotGrid(
listOf(
barPlotWithStyle("Blank panel grid") {
panel.grid.lineGlobal {
blank = true
}
},
pointPlotWithStyle("Line panel grid") {
panel.grid.lineGlobal(eLine)
},
pointPlotWithStyle("Major line panel grid\n Minor line panel grid") {
panel.grid {
majorLine(eLine)
minorLine(eLine2)
}
},
barPlotWithStyle("Blank major x-line panel grid\n major y-line panel grid\n minor y-line panel grid") {
panel.grid {
majorXLine {
blank = true
}
majorYLine(eLine)
minorYLine(eLine2)
}
}
),
nCol = 2
)
plotGrid(
listOf(
barFacetPlotWithStyle("Grey Style", Style.Grey),
barFacetPlotWithStyle("Strip background") { strip.background(eBackground) },
barFacetPlotWithStyle("Blank strip background") {
strip.background {
blank = true
}
},
barFacetPlotWithStyle("Blank strip text") {
strip.text {
blank = true
}
}
),
nCol = 2
)
plotGrid(
listOf(
barPlotWithStyle("x-axis line") { xAxis.line(eLine3) },
barPlotWithStyle("On top x-axis line") {
xAxis {
line(eLine3)
onTop = true
}
}
),
nCol = 2
)
Miscellaneous
plotGrid(
listOf(
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Default"
}
},
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Plot 1"
style {
global {
line(eLine)
text(eText)
}
}
}
},
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Plot 2"
style {
axis {
line(eLine)
onTop = true
}
legend.title(eText)
}
}
},
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Plot 3"
style {
plotCanvas.title(eText)
panel {
background(eBackground)
grid {
majorXLine {
blank = true
}
minorXLine {
blank = true
}
majorYLine(eLine)
minorYLine(eLine2)
}
}
}
}
},
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Plot 4"
style {
strip {
background(eBackground)
text(eText)
}
}
}
},
fPlotDf.plot {
bars {
x(fl)
y(count)
fillColor(fl)
}
coordFlip()
layout {
title = "Plot 5"
style {
xAxis {
text(eText)
title(eText)
ticks(eLine)
line(eLine2)
tooltip.background {
blank = true
}
}
}
}
}
),
nCol = 2
)
plotGrid(
listOf(
df.plot {
points {
x(cty)
y(hwy)
color(fl)
tooltips(anchor = Anchor.TOP_CENTER, minWidth = 50.0) {}
}
layout.title = "Tooltip: top-center"
},
df.plot {
points {
x(cty)
y(hwy)
color(fl)
tooltips(anchor = Anchor.TOP_CENTER, minWidth = 50.0) {}
}
layout {
title = "Grey background"
style {
panel.background {
borderLineColor = Color.PURPLE
fillColor = Color.GREY
}
}
}
}
),
nCol = 2
)
Last modified: 09 February 2024