TypeScript d3-collection.nest函数代码示例

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本文整理汇总了TypeScript中d3-collection.nest函数的典型用法代码示例。如果您正苦于以下问题：TypeScript nest函数的具体用法？TypeScript nest怎么用？TypeScript nest使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了nest函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: prep

	prep(initData) {
		initData = initData.filter((d) => { return d.YEAR == 2016 });
		let entries = nest()
			.key((e: any) => { return e.CATEGORY; })
			.key((e: any) => { return e.FUNDING_CATEGORY; })
			.entries(initData);


		let root = hierarchy({ values: entries }, (d) => {
			return d.values;
		}).sum((d) => {
			if (d.TYPE === 'Total') {
				return d.AMOUNT;
			}
		});

		
		console.log(root);		

	}

开发者ID:Ao21，项目名称:rollup-test，代码行数:20，代码来源:index.ts

示例2:

    { yield: 27.00, variety: 'Manchuria', year: 1931, site: 'University Farm' },
    { yield: 48.87, variety: 'Manchuria', year: 1931, site: 'Waseca' },
    { yield: 27.43, variety: 'Manchuria', year: 1931, site: 'Morris' },
    { yield: 43.07, variety: 'Glabron', year: 1931, site: 'University Farm' },
    { yield: 55.20, variety: 'Glabron', year: 1931, site: 'Waseca' },
    { yield: 26.00, variety: 'Manchuria', year: 1932, site: 'University Farm' },
    { yield: 47.87, variety: 'Manchuria', year: 1932, site: 'Waseca' },
    { yield: 26.43, variety: 'Manchuria', year: 1932, site: 'Morris' },
    { yield: 42.07, variety: 'Glabron', year: 1932, site: 'University Farm' },
    { yield: 54.20, variety: 'Glabron', year: 1932, site: 'Waseca' }
];

// Create Nest ========================================================

let nestL2: d3Collection.Nest<Yield, undefined>;
nestL2 = d3Collection.nest<Yield>();

let nestL1Rollup: d3Collection.Nest<Yield, number>;
nestL1Rollup = d3Collection.nest<Yield, number>();

// Configure Nest =====================================================

// key(...) and sortKeys(...) -----------------------------------------

nestL2 = nestL2
    .key(d => {
        return d.year.toString();
    });

// with 2nd key with sortkey(...)
nestL2 = nestL2

开发者ID:AlexGalays，项目名称:DefinitelyTyped，代码行数:31，代码来源:d3-collection-tests.ts

示例3: computeData

 computeData(): ReadonlyArray<object> {
     const data = super.computeData();
     if (data.length === 0 || !this.exists()) return data;
     const columnLabels: string[] = this.validGroupBy().map(gb => gb.label());
     const computedFields = this.validComputedFields().map(cf => {
         return { label: cf.fieldID(), aggrFunc: cf.aggrFunc() };
     });
     const retVal = d3Nest()
         .key((row: { [key: string]: any }) => {
             let key = "";
             for (const groupByLabel of columnLabels) {
                 key += ":" + row[groupByLabel];
             }
             return key;
         })
         .entries(data as object[]).map(_row => {
             const row: {
                 [key: string]: any
             } = _row;
             delete row.key;
             for (const groupByLabel of columnLabels) {
                 row[groupByLabel] = row.values[0][groupByLabel];
             }
             for (const cf of computedFields) {
                 row[cf.label] = cf.aggrFunc(row.values);
             }
             return row;
         })
         ;
     const outFields = this.outFields();
     return retVal.map(row => {
         const retVal = {};
         for (const field of outFields) {
             retVal[field.id] = row[field.id];
         }
         return retVal;
     });
 }

开发者ID:GordonSmith，项目名称:Visualization，代码行数:38，代码来源:groupby.ts

注：本文中的d3-collection.nest函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。