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/*
* Copyright (c) 2023. JetBrains s.r.o.
* Use of this source code is governed by the MIT license that can be found in the LICENSE file.
*/
package org.jetbrains.letsPlot.scale
import org.jetbrains.letsPlot.core.spec.Option
import org.jetbrains.letsPlot.intern.Options
import org.jetbrains.letsPlot.intern.Scale
/**
* General purpose scale for discrete data.
* Use it to adjust most common properties of a default scale for given aesthetic.
*
* @param aesthetic Aesthetic or a list of aesthetics that this scale works with.
* @param direction default = 1.
* Only for color scales: sets the order of colors in the scale.
* If -1, the order of colors is reversed.
* @param name The name of the scale - used as the axis label or the legend title. If null, the default, the name of the scale
* is taken from the first mapping used for that aesthetic.
* @param breaks A list of data values specifying the positions of ticks,
* or a dictionary which maps the tick labels to the breaks values.
* @param labels A list of labels on ticks, or a dictionary which maps the breaks values to the tick labels.
* @param lablim The maximum label length (in characters) before trimming is applied.
* @param limits List of data values.
* A vector specifying values to display with the scale and their order in guides (axis).
* @param naValue Missing values will be replaced with this value.
* @param format Specifies the format pattern for labels on the scale.
* @param guide Guide to use for this scale.
* It can either be a string ("colorbar", "legend") or a call to a guide function (`guideColorbar()`, `guideLegend()`)
* specifying additional arguments.
* "none" will hide the guide.
*
* Format patterns in the `format` parameter can be just a number format (like "d") or
* a string template where number format is surrounded by curly braces: "{d} cylinders".
* Note: the "$" must be escaped as "\$".
* For more info see: [formats.html](https://lets-plot.org/kotlin/formats.html)
*
* Examples:
* - ".2f" -> "12.45";
* - "Score: {.2f}" -> "Score: 12.45";
* - "Score: {}" -> "Score: 12.454789".
*
* @param scaleMapperKind The type of the scale:
* ("identity", "color_gradient", "color_gradient2", "color_gradientn", "color_hue", "color_grey", "color_brewer", "color_cmap", "size_area").
* If null (the default) and the scale is color, then "color_brewer" will be used.
* @param otherOptions Additional parameters for the specified scale type.
*/
fun scaleDiscrete(
aesthetic: Any,
direction: Int? = null,
name: String? = null,
breaks: Any? = null,
labels: Any? = null,
lablim: Int? = null,
limits: List? = null,
naValue: Any? = null,
format: String? = null,
guide: Any? = null,
scaleMapperKind: String? = null,
otherOptions: Map? = null
) = Scale(
aesthetic = aesthetic,
name = name,
breaks = breaks,
labels = labels,
lablim = lablim,
limits = limits,
naValue = naValue,
format = format,
guide = guide,
otherOptions = Options(
mapOf(
Option.Scale.DIRECTION to direction,
Option.Scale.DISCRETE_DOMAIN to true,
Option.Scale.SCALE_MAPPER_KIND to scaleMapperKind
) + (otherOptions ?: emptyMap())
)
)
