ChartDirector C# Demo

ChartDirector C# Demo 饼图，柱状等 有Demo就是好 // The data for the chart double[] data = {5.5, 3.5, -3.7, 1.7, -1.4, 3.3}; string[] labels = {"Jan", "Feb", "Mar", "Apr", "May", "Jun"}; // Create a XYChart object of size 200 x 190 pixels XYChart c = new XYChart(200, 190); // Set the plot area at (30, 20) and of size 140 x 140 pixels c.setPlotArea(30, 20, 140, 140); // Configure the axis as according to the input parameter if (img == "0") { c.addTitle("No Axis Extension", "Arial", 8); } else if (img == "1") { c.addTitle("Top/Bottom Extensions = 0/0", "Arial", 8); // Reserve 20% margin at top of plot area when auto-scaling c.yAxis().setAutoScale(0, 0); } else if (img == "2") { c.addTitle("Top/Bottom Extensions = 0.2/0.2", "Arial", 8); // Reserve 20% margin at top and bottom of plot area when auto-scaling c.yAxis().setAutoScale(0.2, 0.2); } else if (img == "3") { c.addTitle("Axis Top Margin = 15", "Arial", 8); // Reserve 15 pixels at top of plot area c.yAxis().setMargin(15); } else { c.addTitle("Manual Scale -5 to 10", "Arial", 8); // Set the y axis to scale from -5 to 10, with ticks every 5 units c.yAxis().setLinearScale(-5, 10, 5); } // Set the labels on the x axis c.xAxis().setLabels(labels); // Add a color bar layer using the given data. Use a 1 pixel 3D border for the // bars. c.addBarLayer3(data).setBorderColor(-1, 1); // Output the chart viewer.Image = c.makeWebImage(Chart.PNG); // Include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("", "", "title='ROI for {xLabel}: {value}%'")