// // Draw the differences between the track lines // void drawTrackDiff(XYChart c, Dictionary <string, double> log0, Dictionary <string, double> log1) { double x0, x1; if (!((null != log0) && log0.TryGetValue("x", out x0) && (null != log1) && log1.TryGetValue("x", out x1))) { return; } // Two columns in the table var leftCol = new System.Text.StringBuilder(); var rightCol = new System.Text.StringBuilder(); leftCol.Append("Change in x: "); rightCol.Append(c.formatValue(x1 - x0, "{value|2}")); // Iterate through all layers to draw the data labels for (int i = 0; i < c.getLayerCount(); ++i) { Layer layer = c.getLayerByZ(i); // Iterate through all the data sets in the layer for (int j = 0; j < layer.getDataSetCount(); ++j) { var dataSetName = layer.getDataSet(j).getDataName(); double v0, v1; if (!(log0.TryGetValue(dataSetName, out v0) && log1.TryGetValue(dataSetName, out v1))) { continue; } leftCol.Append("\nChange in ").Append(dataSetName).Append(": "); rightCol.Append("\n").Append(c.formatValue(v1 - v0, "{value|2}")); } } string table = "<*block,bgColor=80ffffff,margin=4*><*block*>" + leftCol.ToString() + "<*/*><*block,halign=right*>" + rightCol.ToString() + "<*/*><*/*>"; TTFText t = c.getDrawArea().text(table, "Arial", 10); t.draw(c.getPlotArea().getRightX() - t.getWidth(), c.getPlotArea().getTopY(), 0x000000); }
void drawTrackLine(XYChart c, int lineX, Dictionary <string, double> log) { // The drawarea and plotarea objects DrawArea d = c.getDrawArea(); PlotArea plotArea = c.getPlotArea(); // Get the data x-value that is nearest to the mouse, and find its pixel coordinate. double xValue = c.getNearestXValue(lineX); int xCoor = c.getXCoor(xValue); // Draw empty track line if it is ahead of the data if ((currentIndex <= 0) || ((xCoor < lineX) && (xValue >= chartTimeLimit))) { d.vline(plotArea.getTopY(), plotArea.getBottomY(), lineX, 0x888888); return; } // Draw a vertical track line at the x-position d.vline(plotArea.getTopY(), plotArea.getBottomY(), xCoor, 0x888888); // Draw a label on the x-axis to show the track line position. string xlabel = "<*font,bgColor=000000*> " + c.xAxis().getFormattedLabel(xValue, "nn:ss.ff") + " <*/font*>"; TTFText t = d.text(xlabel, "Arial Bold", 10); log["x"] = xValue; // Restrict the x-pixel position of the label to make sure it stays inside the chart image. int xLabelPos = Math.Max(0, Math.Min(xCoor - t.getWidth() / 2, c.getWidth() - t.getWidth())); t.draw(xLabelPos, plotArea.getBottomY() + 6, 0xffffff); // Iterate through all layers to draw the data labels for (int i = 0; i < c.getLayerCount(); ++i) { Layer layer = c.getLayerByZ(i); // The data array index of the x-value int xIndex = layer.getXIndexOf(xValue); // Iterate through all the data sets in the layer for (int j = 0; j < layer.getDataSetCount(); ++j) { ChartDirector.DataSet dataSet = layer.getDataSetByZ(j); // Get the color and position of the data label int color = dataSet.getDataColor(); int yCoor = c.getYCoor(dataSet.getPosition(xIndex), dataSet.getUseYAxis()); // Draw a track dot with a label next to it for visible data points in the plot area if ((yCoor >= plotArea.getTopY()) && (yCoor <= plotArea.getBottomY()) && (color != Chart.Transparent) && (!string.IsNullOrEmpty(dataSet.getDataName()))) { d.circle(xCoor, yCoor, 4, 4, color, color); string label = "<*font,bgColor=" + color.ToString("x") + "*> " + c.formatValue( dataSet.getValue(xIndex), "{value|P4}") + " <*/font*>"; t = d.text(label, "Arial Bold", 10); log[dataSet.getDataName()] = dataSet.getValue(xIndex); // Draw the label on the right side of the dot if the mouse is on the left side the // chart, and vice versa. This ensures the label will not go outside the chart image. if (xCoor <= (plotArea.getLeftX() + plotArea.getRightX()) / 2) { t.draw(xCoor + 5, yCoor, 0xffffff, Chart.Left); } else { t.draw(xCoor - 5, yCoor, 0xffffff, Chart.Right); } } } } }
//Main code for creating chart. //Note: the argument chartIndex is unused because this demo only has 1 chart. public void createChart(WinChartViewer viewer, int chartIndex) { // The data for the area chart double[] data = { 30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66, 56, 48, 52, 65, 62 }; // The labels for the area chart string[] labels = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24" }; // Create a XYChart object of size 600 x 360 pixels, with a brushed silver background, 1 // pixel 3D border effect, rounded corners and soft drop shadow. XYChart c = new XYChart(600, 360, Chart.brushedSilverColor(), Chart.Transparent, 1); c.setRoundedFrame(); c.setDropShadow(); // Add a title box to the chart using 18pt Times Bold Italic font. ChartDirector.TextBox title = c.addTitle( "<*block,valign=absmiddle*><*img=@/images/star.png*><*img=@/images/star.png*> " + "Performance Enhancer <*img=@/images/star.png*><*img=@/images/star.png*><*/*>", "Times New Roman Bold Italic", 18); // // Use a text box with a depressed 3D border to create the inner depressed region // // The width of the frame border int frameWidth = 5; // Set the depressed region position ChartDirector.TextBox contentBox = c.addText(frameWidth, title.getHeight(), ""); contentBox.setSize(c.getDrawArea().getWidth() - 1 - frameWidth * 2, c.getDrawArea( ).getHeight() - title.getHeight() - frameWidth - 1); // Use -1 as the rasied effect to create a depressed region contentBox.setBackground(Chart.Transparent, Chart.Transparent, -1); // Set rounded corners, and put the text box at the back of the chart contentBox.setRoundedCorners(10); contentBox.setZOrder(Chart.ChartBackZ); // Tentatively set the plotarea to 50 pixels from the left depressed edge, and 25 pixels // under the top depressed edge. Set the width to 75 pixels less than the depressed // region width, and the height to 75 pixels less than the depressed region height. Use // white (ffffff) background, transparent border, and grey (cccccc) horizontal and // vertical grid lines. PlotArea plotArea = c.setPlotArea(50 + contentBox.getLeftX(), contentBox.getTopY() + 25, contentBox.getWidth() - 75, contentBox.getHeight() - 75, 0xffffff, -1, -1, 0xcccccc, -1); // Add a title to the y axis c.yAxis().setTitle("Energy Concentration (KJ per liter)"); // Set the labels on the x axis. c.xAxis().setLabels(labels); // Display 1 out of 3 labels on the x-axis. c.xAxis().setLabelStep(3); // Add a title to the x axis using CDML c.xAxis().setTitle( "<*block,valign=absmiddle*><*img=@/images/clock.png*> Elapsed Time (hour)<*/*>"); // Set the axes width to 2 pixels c.xAxis().setWidth(2); c.yAxis().setWidth(2); // Add an area layer to the chart using a gradient color that changes vertically from // semi-transparent red (60ff0000) to semi-transparent white (60ffffff) c.addAreaLayer(data, c.linearGradientColor(0, contentBox.getTopY() + 20, 0, contentBox.getTopY() + contentBox.getHeight() - 50, 0x60ff0000, 0x60ffffff)); // Adjust the plot area size, such that the bounding box (inclusive of axes) is 15 // pixels from the left depressed edge, 25 pixels below the top depressed edge, 25 // pixels from the right depressed edge, and 15 pixels above the bottom depressed edge. c.packPlotArea(contentBox.getLeftX() + 15, contentBox.getTopY() + 25, contentBox.getLeftX() + contentBox.getWidth() - 25, contentBox.getTopY() + contentBox.getHeight() - 15); // Add a custom CDML text with the bottom right corner is anchored to the bootom right // corner of the plot area, with 5 pixels margin. c.addText(plotArea.getLeftX() + plotArea.getWidth() - 5, plotArea.getTopY() + plotArea.getHeight() - 5, "<*block,valign=absmiddle*><*img=@/images/small_molecule.png*> <*block*>" + "<*font=Times New Roman Bold Italic,size=10,color=804040*>Molecular\nEngineering" + "<*/*>").setAlignment(Chart.BottomRight); // Output the chart viewer.Chart = c; //include tool tip for the chart viewer.ImageMap = c.getHTMLImageMap("clickable", "", "title='Hour {xLabel}: {value} KJ/liter'"); }