patternarea.cfm

Back to Chart Graphics <cfscript> // ChartDirector for ColdFusion API Access Point cd = CreateObject("java", "ChartDirector.CFChart"); // A utility to allow us to create arrays with data in one line of code function Array() { var result = ArrayNew(1); var i = 0; for (i = 1; i LTE ArrayLen(arguments); i = i + 1) result[i] = arguments[i]; return result; } // The data for the area chart data = Array(3.0, 2.8, 4.0, 5.5, 7.5, 6.8, 5.4, 6.0, 5.0, 6.2, 7.5, 6.5, 7.5, 8.1, 6.0, 5.5, 5.3, 3.5, 5.0, 6.6, 5.6, 4.8, 5.2, 6.5, 6.2); // The labels for the area chart labels = Array("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 300 x 180 pixels. Set the background to pale // yellow (0xffffa0) with a black border (0x0) c = cd.XYChart(300, 180, "0xffffa0", "0x000000"); // Set search path to current directory for loading icon images c.setSearchPath(GetPageContext()); // Set the plotarea at (45, 35) and of size 240 x 120 pixels. Set the background to // white (0xffffff). Set both horizontal and vertical grid lines to black (&H0&) // dotted lines (pattern code 0x0103) c.setPlotArea(45, 35, 240, 120, "0xffffff", -1, -1, c.dashLineColor("0x000000", "0x000103"), c.dashLineColor("0x000000", "0x000103")); // Add a title to the chart using 10 pts Arial Bold font. Use a 1 x 2 bitmap pattern // as the background. Set the border to black (0x0). c.addTitle("Snow Percipitation (Dec 12)", "Arial Bold", 10).setBackground( c.patternColor(Array("0xb0b0f0", "0xe0e0ff"), 2), "0x000000"); // Add a title to the y axis c.yAxis().setTitle("mm per hour"); // 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 an area layer to the chart layer = c.addAreaLayer(); // Load a snow pattern from an external file "snow.png". snowPattern = c.patternColor2("snow.png"); // Add a data set to the area layer using the snow pattern as the fill color. Use // deep blue (0x0000ff) as the area border line color (&H0000ff&) layer.addDataSet(data).setDataColor(snowPattern, "0x0000ff"); // Set the line width to 2 pixels to highlight the line layer.setLineWidth(2); // Output the chart chart1URL = c.makeSession(GetPageContext(), "chart1"); // Include tool tip for the chart imageMap1 = c.getHTMLImageMap("", "", "title='{xLabel}:00 - {value} mm/hour'"); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Pattern Area Chart </div> <hr style="border:solid 1px #000080" /> <cfoutput> <div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em"> <a href='viewsource.cfm?file=#CGI.SCRIPT_NAME#'>View Source Code</a> </div> <img src="getchart.cfm?#chart1URL#" usemap="##map1" border="0" /> <map name="map1">#imageMap1#</map> </cfoutput> </body> </html>