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import io.data2viz.color.Colors import io.data2viz.geom.* import io.data2viz.viz.bindRendererOn import io.data2viz.viz.* import kotlin.random.Random import kotlin.time.ExperimentalTime import kotlin.time.measureTime import kotlin.time.measureTimedValue const val parameterCount = 64 const val dataSize = 1000 val data by lazy { Array(dataSize) { Array(parameterCount) { Random.nextDouble(.0, 100.0) } } } fun main() { // render(document.getElementById("root")) { // child(App::class) {} // } println("Hello Kotlin/JS") processStats() var timedValue = measureTimedValue { processStats() } println("Stats processed in ${timedValue.duration.inMilliseconds} ms") // timedValue = measureTimedValue { processStats() } // println("Stats processed in ${timedValue.duration.inMilliseconds} ms") // timedValue = measureTimedValue { processStats() } // println("Stats processed in ${timedValue.duration.inMilliseconds} ms") val viz = viz { size = size(1000, 400) timedValue.value.forEachIndexed { i, s -> path { stroke = Colors.Web.black moveTo(i.toDouble(), 100.0 - s.min) lineTo(i.toDouble(), 100.0 - s.max) } } } viz.bindRendererOnNewCanvas() } fun processStats(): List<Stat> = data.map { sample -> var min = Double.MAX_VALUE var max = Double.MIN_VALUE var mean = .0 sample.forEach { datum -> if (datum < min) min = datum if (datum > max) max = datum mean += datum } mean /= parameterCount Stat(min, max, mean) } data class Stat(val min: Double, val max: Double, val mean: Double)
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