ChartDirector 6.0 (ColdFusion Edition)
Color Vertical Bar Meters
Source Code Listing
<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; } // Function to create the demo charts function createChart(chartIndex) { // Declare local variables var value = 0; var bgColor = 0; var borderColor = 0; var barColor = 0; var m = 0; var smoothColorScale = 0; var stepColorScale = 0; var highLowColorScale = 0; var highColorScale = 0; var lowColorScale = 0; // The value to display on the meter value = 66.77; // The background, border and bar colors of the meters bgColor = Array("0xcce4ff", "0xccffcc", "0xffdddd", "0xffffaa", "0xffccff", "0xeeeeee"); borderColor = Array("0x000088", "0x006600", "0x880000", "0xee6600", "0x6600aa", "0x666666"); barColor = Array("0x2299ff", "0x00ee00", "0xee4455", "0xff8800", "0x8833dd", "0x888888"); // Create a LinearMeter object of size 70 x 260 pixels with a 3-pixel thick rounded frame m = cd.LinearMeter(70, 260, bgColor[chartIndex + 1], borderColor[chartIndex + 1]); m.setRoundedFrame(cd.Transparent); m.setThickFrame(3); // Set the scale region top-left corner at (28, 33), with size of 20 x 194 pixels. The scale // labels are located on the left (default - implies vertical meter). m.setMeter(28, 33, 20, 194); // Set meter scale from 0 - 100, with a tick every 10 units m.setScale(0, 100, 10); // Demostrate different types of color scales smoothColorScale = Array(0, "0x0000ff", 25, "0x0088ff", 50, "0x00ff00", 75, "0xdddd00", 100, "0xff0000"); stepColorScale = Array(0, "0x33ff33", 50, "0xffff00", 80, "0xff3333", 100); highLowColorScale = Array(0, "0x0000ff", 40, cd.Transparent, 60, cd.Transparent, 100, "0xff0000" ); highColorScale = Array(70, cd.Transparent, 100, "0xff0000"); lowColorScale = Array(0, "0x0000ff", 30, cd.Transparent); if (chartIndex EQ 0) { // Add a 6-pixel thick smooth color scale at x = 53 (right of meter scale) m.addColorScale(smoothColorScale, 53, 6); } else if (chartIndex EQ 1) { // Add a high only color scale at x = 52 (right of meter scale) with thickness varying from // 0 to 8 m.addColorScale(highColorScale, 52, 0, 52, 8); // Add a low only color scale at x = 52 (right of meter scale) with thickness varying from 8 // to 0 m.addColorScale(lowColorScale, 52, 8, 52, 0); } else if (chartIndex EQ 2) { // Add a high only color scale at x = 52 (right of meter scale) with thickness varying from // 0 to 8 m.addColorScale(highColorScale, 52, 0, 52, 8); } else if (chartIndex EQ 3) { // Add a smooth color scale at x = 52 (right of meter scale) with thickness varying from 0 // to 8 m.addColorScale(smoothColorScale, 52, 0, 52, 8); } else if (chartIndex EQ 4) { // Add a 6-pixel thick high/low color scale at x = 53 (right of meter scale) m.addColorScale(highLowColorScale, 53, 6); } else { // Add a 6-pixel thick step color scale at x = 53 (right of meter scale) m.addColorScale(stepColorScale, 53, 6); } // Add a bar from 0 to value with glass effect and 4 pixel rounded corners m.addBar(0, value, barColor[chartIndex + 1], cd.glassEffect(cd.NormalGlare, cd.Left), 4); // Add a title using white (0xffffff) 8pt Arial Bold font with a border color background m.addTitle("Temp C", "Arial Bold", 8, "0xffffff").setBackground(borderColor[chartIndex + 1]); // Add a bottom title using white (0xffffff) 8pt Arial Bold font with a border color background // to display the value m.addTitle2(cd.Bottom, m.formatValue(value, "2"), "Arial Bold", 8, "0xffffff").setBackground( borderColor[chartIndex + 1]); // Output the chart return m.makeSession(GetPageContext(), "chart" & chartIndex); } chart0URL = createChart(0); chart1URL = createChart(1); chart2URL = createChart(2); chart3URL = createChart(3); chart4URL = createChart(4); chart5URL = createChart(5); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Color Vertical Bar Meters </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?#chart0URL#" /> <img src="getchart.cfm?#chart1URL#" /> <img src="getchart.cfm?#chart2URL#" /> <img src="getchart.cfm?#chart3URL#" /> <img src="getchart.cfm?#chart4URL#" /> <img src="getchart.cfm?#chart5URL#" /> </cfoutput> </body> </html> |