Basic Bar chart

import io.data2viz.charts.* import io.data2viz.charts.dimension.* import io.data2viz.charts.chart.* import io.data2viz.charts.chart.mark.* import io.data2viz.charts.viz.* import io.data2viz.charts.layout.* import io.data2viz.geom.* val width = 600.0 val height = 500.0 data class PopCount(val year: Int, val population: Double) fun main() { // Creating and sizing the VizContainer val vc = newVizContainer().apply { size = Size(width, height) } vc.chart(canPop) { title = "Population of Canada 1851–2001 (Statistics Canada)" // Create a discrete dimension for the year of the census val year = discrete( { domain.year } ) // Create a continuous numeric dimension for the population val population = quantitative( { domain.population } ) { name = "Population of Canada (in millions)" } // Using a discrete dimension for the Y-axis and a continuous one for the X-axis bar(population, year) } } val canPop = listOf( PopCount(1851,2.436), PopCount(1861,3.23), PopCount(1871,3.689), PopCount(1881,4.325), PopCount(1891,4.833), PopCount(1901,5.371), PopCount(1911,7.207), PopCount(1921,8.788), PopCount(1931,10.377), PopCount(1941,11.507), PopCount(1951,13.648), PopCount(1961,17.78), PopCount(1971,21.046), PopCount(1981,23.774), PopCount(1991,26.429), PopCount(2001,30.007) )
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Sketch created by

pierre

A very simple bar chart made with Charts-kt

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