superset getPointsFromPolygon 源码
superset getPointsFromPolygon 代码
文件路径：/superset-frontend/plugins/legacy-preset-chart-deckgl/src/utils/getPointsFromPolygon.ts
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import { Point } from '../types';
/** Format originally used by the Polygon plugin */
type CustomPolygonFeature = {
polygon: Point[];
};
/**
* Format that is geojson standard
* https://geojson.org/geojson-spec.html
*/
type GeojsonPolygonFeature = {
polygon: {
type: 'Feature';
geometry: {
type: 'Polygon';
coordinates: Point[][];
};
};
};
export default function getPointsFromPolygon(
feature: CustomPolygonFeature | GeojsonPolygonFeature,
) {
return 'geometry' in feature.polygon
? feature.polygon.geometry.coordinates[0]
: feature.polygon;
}
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