트리맵 차트

트리맵 차트는 계층적 데이터를 중첩된 직사각형 구조로 시각화하는 차트 유형입니다. 각 직사각형의 크기는 특정 값에 대응하며, 큰 값일수록 더 큰 직사각형으로 표시됩니다.

트리맵 차트는 여러 수준의 분류를 가진 데이터를 효과적으로 표시할 수 있어, 서로 다른 카테고리와 하위 카테고리의 상대적 비율을 보여주는 데 적합합니다.

데이터 차트는 트리맵 유형을 지원합니다. 트리맵 차트를 사용하려면 데이터 차트 유형을 GC.Spread.Sheets.DataCharts.DataChartType.treemap 으로 설정하면 됩니다. 예를 들어, 트리맵 데이터 차트를 삽입하고 setChartConfig 메서드로 데이터 차트를 구성할 수 있습니다. 참고: 데이터 차트를 사용하기 전에 데이터 매니저의 테이블이 초기화되어 있어야 합니다.
window.onload = async () => { const { spread, designer } = createSpreadAndDesigner(); await initDataManager(spread); const dataChart = spread.getActiveSheet().dataCharts.add('treemap', 30, 30, 550, 400, GC.Spread.Sheets.DataCharts.DataChartType.treemap); dataChart.setChartConfig({ tableName: 'Sales', plots: [{ type: GC.Spread.Sheets.DataCharts.DataChartType.treemap, encodings: { values: [{ field: 'Sales', aggregate: GC.Spread.Sheets.DataCharts.Aggregate.sum }], details: [{ field: 'ProductType' }, { field: 'Product' }], tooltip: [{ field: 'ProductType' }, { field: 'Product' }, { field: 'Sales' }], }, config: { tooltip: [{ style: { fill: { type: 'CssColor', color: 'white' }, stroke: { type: 'CssColor', color: '#e0e0e0' }, strokeWidth: 1, }, textStyle: { color: '#555555', fontFamily: 'Calibri', fontSize: 12, }, }], }, }], config: { header: { title: 'Treemap Chart', padding: { left: 16, right: 16, top: 5, bottom: 0, }, textStyle: { fontSize: 19, fontStyle: GC.Spread.Sheets.DataCharts.FontStyle.italic, alignment: GC.Spread.Sheets.DataCharts.HAlign.left, }, }, }, }); spread.getActiveSheet().dataCharts.all()[0].isSelected(true); if (designer) { designer.refresh(); } } function createSpreadAndDesigner() { const demoHost = document.getElementById('demo-host'); if (window !== top) { const spread = new GC.Spread.Sheets.Workbook('spread-host', { sheetCount: 1 }); new GC.Spread.Sheets.DataCharts.DataChartConfigPanel('panel-host', spread); return { spread } } else { const designer = new GC.Spread.Sheets.Designer.Designer(demoHost, undefined, undefined, { sheetCount: 1 }); return { designer, spread: designer.getWorkbook(), } } } async function initDataManager(spread) { const records = [ ['Smartphones', 'iPhone 15', 4200], ['Smartphones', 'Galaxy', 3100], ['Smartphones', 'Pixel 8', 2400], ['Laptops', 'MacBook Pro 14', 5500], ['Laptops', 'XPS 13', 3300], ['Laptops', 'ThinkPad X1', 2800], ['Tablets', 'iPad Air', 2600], ['Tablets', 'Surface Go', 1900], ['Wearables', 'Apple Watch S9', 1800], ['Wearables', 'Galaxy Watch 6', 1200], ['Accessories', 'AirPods Pro', 2100], ]; const columns = ['ProductType', 'Product', 'Sales']; await spread.dataManager().addTable('Sales', { data: records.map(record => { const item = {}; columns.forEach((column, index) => { item[column] = record[index]; }); return item; }), }).fetch(); }
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body { position: absolute; top: 0; bottom: 0; left: 0; right: 0; } .sample-tutorial { position: relative; height: 100%; overflow: hidden; } #demo-host { width: 100%; height: 100%; overflow: hidden; float: left; } #spread-host { position: absolute; top: 0; left: 0; width: calc(100% - 380px); height: 100%; } #panel-host { position: absolute; top: 0; right: 0; width: 380px; height: 100%; }