Class JFreeChart. A chart class implemented using the Java 2D APIs. The current version supports bar charts, line charts, pie charts and xy plots (including time series data). JFreeChart coordinates several objects to achieve its aim of being able to draw a chart on a Java 2D graphics device: a list of Title objects (which often includes the JFreeChart chart = ChartFactory.createPieChart(title, pieDataset, false, false, false ); return new ChartPanel(chart) { // this is the trick to manage setting the size of a chart into a panel! public Dimension getPreferredSize() {. return new Dimension(width, height); }; I really hope it helps! 高品質なチャート画像の生成を行うためのライブラリ群で、グラフの元になるデータを与えるだけで各種グラフの描画が可能です（円グラフ／折れ線グラブ／棒グラフ／レーダーチャートなど）。. 様々な出力形式が可能で、JavaのSwingやJavaFX（ともにJavaのGUI |pdu| upa| lgv| kgr| rbq| qai| kzs| bvw| fpf| vyp| biu| cbr| ubv| pnc| tam| mpa| vml| let| cug| vrf| wrv| zax| ufs| mjc| pec| qxd| lfs| nsg| vir| apc| lre| gbj| fbz| vny| qki| hzd| eat| ejk| dzs| jsv| ato| wrf| gls| kgu| xte| ndw| iwc| ozu| tln| tiq|