Y Zone Coloring

[JSP Version] jspdemo/yzonecolor.jsp
<%@page import="ChartDirector.*, java.util.*" %>
<%
// The data for the 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 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 500 x 300 pixels, with a pale yellow (0xffffc0) background, a
// black border, and 1 pixel 3D border effect
XYChart c = new XYChart(500, 300, 0xffffc0, 0x000000, 1);

//Set search path to current JSP directory for loading icon images
c.setSearchPath(getServletConfig().getServletContext(), request);

// Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white background. Turn on both
// horizontal and vertical grid lines with light grey color (0xc0c0c0)
c.setPlotArea(55, 50, 420, 205, 0xffffff).setGridColor(0xc0c0c0, 0xc0c0c0);

// Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8pt Arial font. Set
// the background and border color to Transparent.
LegendBox legendBox = c.addLegend(55, 25, false, "", 8);
legendBox.setBackground(Chart.Transparent);

// Add keys to the legend box to explain the color zones
legendBox.addKey("Normal Zone", 0x8033ff33);
legendBox.addKey("Alert Zone", 0x80ff3333);

// Add a title box to the chart using 13pt Arial Bold Italic font. The title is in CDML and includes
// embedded images for highlight. The text is white (0xffffff) on a black background, with a 1 pixel
// 3D border.
c.addTitle(
    "<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color Demo " +
    "<*img=star.png*><*img=star.png*><*/*>", "Arial Bold Italic", 13, 0xffffff).setBackground(
    0x000000, -1, 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=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. The area is using a y zone color, where the color is
// semi-transparent green below 60, and semi-transparent red above 60.
c.addAreaLayer(data, c.yZoneColor(60, 0x8033ff33, 0x80ff3333));

// Add a custom CDML text at the bottom right of the plot area as the logo
c.addText(475, 255,
    "<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*><*font=Times New Roman Bold " +
    "Italic,size=10,color=804040*>Molecular\nEngineering<*/*>").setAlignment(Chart.BottomRight);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(c, Chart.SVG);

// Include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("", "", "title='Hour {xLabel}: {value} KJ/liter'"));
%>
<!DOCTYPE html>
<html>
<head>
    <title>Y Zone Coloring</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Y Zone Coloring
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
    </div>
    <!-- ****** Here is the chart image ****** -->
    <%= viewer.renderHTML(response) %>
</body>
</html>