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antv-l7
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fix: 修复 feature scale 可能存在的 source 取值问题 (#1315) 

* fix: 修复 featureScale 错误

* style: lint style

* fix: 修复 feature scale 映射问题

* style: lint style

Co-authored-by: shihui <yiqianyao.yqy@alibaba-inc.com>
This commit is contained in:
YiQianYao 2022-08-30 11:25:06 +08:00 committed by GitHub
parent 33c34764b7
commit 9f2f834960
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 78 additions and 18 deletions
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62
packages/layers/src/plugins/FeatureScalePlugin.ts
View File

@ -11,6 +11,7 @@ import {
ScaleTypes,
StyleScaleType,
TYPES,
IParserData,
} from '@antv/l7-core';
import { IParseDataItem } from '@antv/l7-source';
import { extent } from 'd3-array';
@ -50,6 +51,17 @@ export default class FeatureScalePlugin implements ILayerPlugin {
private scaleOptions: IScaleOptions = {};
private getSourceData(layer: ILayer, callback: (data: IParserData) => void) {
const source = layer.getSource();
if (source.inited) {
callback(source.data);
} else {
source.once('sourceUpdate', () => {
callback(source.data);
});
}
}
public apply(
layer: ILayer,
{
@ -59,20 +71,45 @@ export default class FeatureScalePlugin implements ILayerPlugin {
layer.hooks.init.tap('FeatureScalePlugin', () => {
this.scaleOptions = layer.getScaleOptions();
const attributes = styleAttributeService.getLayerStyleAttributes();
const { dataArray } = layer.getSource().data;
if (dataArray.length === 0) {
this.getSourceData(layer, ({ dataArray }) => {
if (Array.isArray(dataArray) && dataArray.length === 0) {
return;
}
} else {
this.caculateScalesForAttributes(attributes || [], dataArray);
}
});
// const { dataArray } = layer.getSource().data;
// if (dataArray.length === 0) {
// return;
// }
// this.caculateScalesForAttributes(
// attributes || [],
// dataArray as IParseDataItem[],
// );
});
// 检测数据是否需要更新
layer.hooks.beforeRenderData.tap('FeatureScalePlugin', () => {
this.scaleOptions = layer.getScaleOptions();
const attributes = styleAttributeService.getLayerStyleAttributes();
const { dataArray } = layer.getSource().data;
this.getSourceData(layer, ({ dataArray }) => {
if (Array.isArray(dataArray) && dataArray.length === 0) {
return;
}
this.caculateScalesForAttributes(attributes || [], dataArray);
layer.layerModelNeedUpdate = true;
});
// const { dataArray } = layer.getSource().data;
// if (dataArray.length === 0) {
// return;
// }
// this.caculateScalesForAttributes(
// attributes || [],
// dataArray
// );
// layer.layerModelNeedUpdate = true;
return true;
});
@ -83,7 +120,7 @@ export default class FeatureScalePlugin implements ILayerPlugin {
this.scaleOptions = layer.getScaleOptions();
const attributes = styleAttributeService.getLayerStyleAttributes();
if (attributes) {
const { dataArray } = layer.getSource().data;
this.getSourceData(layer, ({ dataArray }) => {
if (dataArray.length === 0) {
return;
}
@ -93,6 +130,21 @@ export default class FeatureScalePlugin implements ILayerPlugin {
if (attributesToRescale.length) {
this.caculateScalesForAttributes(attributesToRescale, dataArray);
}
});
// const { dataArray } = layer.getSource().data;
// if (dataArray.length === 0) {
// return;
// }
// const attributesToRescale = attributes.filter(
// (attribute) => attribute.needRescale,
// );
// if (attributesToRescale.length) {
// this.caculateScalesForAttributes(
// attributesToRescale,
// dataArray,
// );
// }
}
});
}

8
packages/source/src/source.ts
View File

@ -240,6 +240,14 @@ export default class Source extends EventEmitter implements ISource {
* 数据解析
*/
private excuteParser(): void {
// 耗时计算测试
// let t = new Date().getTime();
// let c = 0
// while(c < 100000000) {
// c++
// }
// console.log('t', new Date().getTime() - t)
const parser = this.parser;
const type: string = parser.type || 'geojson';
const sourceParser = getParser(type);