featuresShown関数
リファレンスの説明と例は英語です。見出しと目次は日本語です。
The features of a layer that are among the choices, in the layer's order (seas first, peaks last).
インポート
import { featuresShown } from "@johnmorrisdotca/chizu";定義
function featuresShown(layer: Pick<ChizuFeatureLayer, "features"> | null | undefined, choices?: readonly ChizuFeatureChoice[]): ChizuFeature[]引数
| 名前 | 型 | 説明 |
|---|---|---|
layer | Pick<ChizuFeatureLayer, "features"> | null | undefined | The native feature layer; its coordinates must match the map used for drawing. |
choices (省略可) | readonly ChizuFeatureChoice[] | Native physical-feature groups, kinds, water or all selections. |
戻り値
ChizuFeature[]
The features of a layer that are among the choices, in the layer's order (seas first, peaks last).
例
import { loadFeatures } from "@johnmorrisdotca/chizu/load";
import { featuresShown } from "@johnmorrisdotca/chizu";
const japan = (await loadFeatures("divisions-jp"))!;
console.log(featuresShown(japan, ["lakes", "rivers"]).map((one) => one.name).join(", "));
// Lake Biwa, Ishikari River, Tone River, Mogami RiverLake Biwa, Ishikari River, Tone River, Mogami River出力（このページを作ったときに実行した結果）
この日本語は、まだ日本語を母語とする方の確認を受けていません。訂正を歓迎します。