cfchart

Last updated on 20 January 2022 | Also applies to ColdFusion, ColdFusion 2016

Sites and applications always use charts to depict data that can otherwise be hard for users to read and understand. Use the cfchart tag to create engaging and interactive graphs and use the graphs in your applications.

Description

Generates and displays a chart.

Syntax

<!--- This syntax uses a JSON file to specify the chart style. --->
<cfchart 
    format="html" 
    style = "JSON filename"> 
</cfchart>

<!--- This syntax uses the attributes of the cfchart tag to specify the chart style. --->  
<cfchart  
alpha = "value between 0 and 1"  
arrows = "JSON string representation"  
aspect3D = "JSON string representation"  
background = "JSON string representation"  
base64="true | false" 
bevel = "JSON string representation"  
border = "JSON string representation"  
backgroundColor = "hexadecimal value|web color"  
chartHeight = "integer number of pixels"  
chartWidth = "integer number of pixels"  
crosshair = "JSON string representation"  
dataBackgroundColor = "hexadecimal value|web color"  
fill = "JSON string representation"  
font = "font name"  
fontBold = "yes|no"  
fontItalic = "yes|no"  
fontSize = "font size"  
foregroundColor = "hexadecimal value|web color"  
format = "jpg|png|html"  
gridlines = "integer number of lines"  
height = "height in pixels" 
width = "width in pixels" 
ID = "chart identifier"  
labels = "JSON string representation"  
legend = "JSON string representation"  
labelFormat = "number|currency|percent|date"  
marker = "JSON string representation"  
markerSize = "integer number of pixels"  
name = "string"  
pieSliceStyle = "solid|sliced"  
plot = "JSON string representation"  
plotarea = "JSON string representation"  
preview = "JSON string representation"  
refresh = "canvas|flash|svg|vml"  
renderer = "canvas|flash|svg|vml"  
scales = "comma-seperated list of axes"  
scaleFrom = "integer minimum value"  
scaleTo = "integer maximum value"  
seriesPlacement = "default|cluster| stacked|percent"  
show3D = "yes|no"  
showBorder = "yes|no"  
showLegend = "yes|no"  
showMarkers = "yes|no"  
showXGridlines = "yes|no"  
showYGridlines = "yes|no"  
sortXAxis = "yes|no"  
tipBGColor = "hexadecimal value|web color"  
title = "title of chart"  
tooltip = "JSON string representation"  
url = "onClick destination page"  
xAxis = "JSON string representation"  
xAxis2 = "JSON string representation"  
xAxisTitle = "title text"  
xAxisType = "scale|category"  
xAxisValues = "Array of values"  
xOffset = "number between -1 and 1"  
yAxis = "JSON string representation"  
yAxis2 = "JSON string representation"  
yAxisTitle = "title text"  
yAxisType = "scale|category"  
yAxisValues = "Array of values"  
yOffset = "number between -1 and 1" 
zoom = "JSON string representation"  
</cfchart>

Note: You can specify this tag's attributes in an attributeCollection attribute whose value is a structure. Specify the structure name in the attributeCollection attribute and use the tag's attribute names as structure keys.

History

Version	Changes
ColdFusion (2018 release) Update 5	Added attribute base64.
ColdFusion (2018 release)	Added support for responsive client-side charts. You can specify the height and width in percentages.
ColdFusion 11	The server-side charting introduced in ColdFusion 10 that allowed you to create highly interactive charts has been further enhanced to produce visually more appealing charts. Note that the new look and feel will not be available for the following tag attributes: cfchart labelFormat seriesPlacement with percent as the value sortXAxis xAxisType yAxisType xOffset yOffset cfchartseries markerStyle: letterx, mcross, snow, and rcrosspaintStyle
	The XML format style has been removed. ColdFusion provides a utility to convert XML styles (used by the old charting system) to JSON styles (used by the new charting system). To perform this conversion, you need to use cfchart_xmltojson.bat (or cfchart_xmltojson.sh) available in <cfusion_home>/bin folder: cfchart_xmltojson.bat <xml_file_path> The converted JSON style will be created in the same location as the XML file.
ColdFusion 10	Added the following new attributes: alpha arrows aspect3D background bevel border crosshair fill format height id labels legend plot plotarea preview refresh renderer scales type tooltip width xaxis axis2 xaxisvalues yaxis yaxis2 yaxisvalues zoom
ColdFusion 8	Added the new attribute showLegend to the chart style files, which are the XML files located in the charting\styles directory- This attribute displays an entry for each point and is applicable only to charts that contain a single series. By default, the value of showLegend is set to true. To turn off this feature, you can either modify the setting in all the chart style files, or use a custom style file.
ColdFusion MX 7.01	Changed documentation to state that the fontSize attribute can accept a number that is not an integer.
ColdFusion MX 7	Added style and title attributes. Added support for eight-digit hexadecimal values to specify RGB color and transparency. Removed the rotated attribute.
ColdFusion MX 6.1	Added the xAxisType and yAxisType attributes. Changed interpolation behavior: the tag now interpolates data points on line charts with multiple series.
ColdFusion MX	Added this tag.

Deprecation

FORMAT="flash" HAS BEEN DEPRECATED in Adobe ColdFusion (2016 release).

For a full list of deprecated features, Deprecated features.

Attributes

Attribute	Req/Opt	Default	Description
alpha	Optional	1	Alpha (transparency) level of the background. Valid values range from 0 (transparent) to 1 (opaque).
arrows	Opt		Creates an arrow for pointing out data or other chart items. JSON string representation of an array of structs that contain values such as to, from, size, and label. See example below.
aspect3D	Opt		JSON string representation of struct that defines the angle of 3D aspect.The valid struct keys are angle, depth, and true3d. The true3d key determines whether the chart uses a true 3D engine or an isometric view. Disabling true3d forces an isometric view. See examples below.
background	Opt		A struct of keys related to background such as color: Sets the background color(s) color-1: Sets the first background color for the arrow color-2: Sets the second background color for the arrow (used with gradients) transparent: Set the transparency of a background image so that underlying colors or chart can show. fit: Defines the width/height to fit area of background. repeat: Defines type of image repeat. image: Defines the path to the background image. For all chart formats, a URL is supported. For format="jpg" and format="png", an absolute path is also supported. For format="html" and format="flash", a relative path is also supported. position: Defines the position of the background image. See example below.
backgroundColor	Optional		Color of the area between the data background and the chart border, around labels and around the legend. Hexadecimal value or supported named color; see the name list in Usage. For a hexadecimal value, use the form "##xxxxxx" or "##xxxxxxxx", where x = 0-9 or A-F; use two number signs or none.
base64	Opt	False	This attribute is used for server-side charting.
bevel	Opt		A struct of keys related to bevel such as. color: Defines the color of the bevel. blur-x: Defines the sharpness/smoothness of the bevel edges in the x-direction. blur-y: Defines the sharpness/smoothness of the bevel edges in the y-direction. angle: Defines the angle of the bevel. distance: Distance in # \| #px indicating the distance from the object the bevel should be displayed.
border	Opt		A struct of keys related to border such as: color: Sets the color of the border. radius: Defines the radius of rounded corners. width: Defines the width of the border.
chartHeight	Optional	240	Chart height; integer number of pixels.
chartWidth	Optional	320	Chart width; integer number of pixels.
crosshair	Opt		A struct of keys related to crosshair such as: line-color: Sets the color of the crosshair lines. alpha: Defines the alpha transparency level of the line. line-style: Defines the line style. See example below.
dataBackgroundColor	Optional	white	Color of area around chart data.Hexadecimal value or supported named color; see the name list in the Usage section. For a hexadecimal value, use the form "##xxxxxx" or "##xxxxxxxx", where x = 0-9 or A-F; use two number signs or none.
fill	Opt		A struct of keys related to fill such as: angle: Sets the angle at which a linear fill is displayed. A fill angle of zero displays a vertical gradient from top (background-color-1) to bottom (background-color-2). offset-x: Set x-axis offset for background gradient. offset-y: Set y-axis offset for background gradient. See example below.
font	Optional	arial	Name of text font: arial times courier arialunicodeMS. This option is required, if you are using a double-byte character set on UNIX, or using a double-byte character set in Windows with a file type of Flash.
fontBold	Optional	no	Whether to make the text bold: yes no
fontItalic	Optional	no	Whether to make the text italicized: yes no
fontSize	Optional	11	Font size. If the number is not an integer, ColdFusion rounds the number up to the next integer.
foregroundColor	Optional	black	Color of text, grid lines, and labels.Hexadecimal value or supported named color; see name list in the Usage section. For a hexadecimal value, use the form "##xxxxxx" or "##xxxxxxxx", where x = 0-9 or A-F; use two number signs or none.
format	Required		File format in which to save the graph: html jpg png
gridlines	Optional	10, including top and bottom	Number of grid lines to display on the value axis, including axis; positive integer.
height	Opt		Chart height; integer; number of pixels.
ID	Opt		ID of the chart. Used to get the underlying chartobject.
labels	Opt		An array of structs used to display custom text or images on the chart, for example, author or chart information. See example below.
labelFormat	Optional	number	Format for y-axis labels: number currency percent date
legend	Opt		A struct used to define the legend attributes, for example, background- color or margin-top. See example below.
markerSize	Optional	(Automatic)	Size of data point marker in pixels; integer.
name	Optional		Page variable name; string. Generates the graph as binary data and assigns it to the specified variable. Suppresses chart display. You can use the name value in the cffile tag to write the chart to a file.
pieSliceStyle	Optional	sliced	Applies to the cfchartseries type attribute value pie. solid: displays pie as if unsliced. sliced: displays pie as if sliced.
plot	Opt		A struct of keys such as animation, aspect, margin, and marker used to style the plotting. See example below.
plotarea	Opt		A struct of keys such as position and margin used to style the plot area.
preview	Opt		A struct of keys such as visible and margin to control chart preview. Additional keys are as follows: live: Sets whether the chart is updated when the preview active area is being moved. Default is false for classic theme and true for light/dark themes. The graph will update only when the mouse is released. preserve-zoom: Sets whether the zoom level is preserved when a chart is altered or reloaded. See example below.
refresh	Opt		A struct of keys such as type, url, and interval to create dynamic charts. See example below.
renderer	Opt		Specify the rendering method. You must remove the format=”html” setting and then set the renderer to “flash”. The supported values are flash, svg, and vml.
scaleFrom	Optional	Determinedby data	Y-axis minimum value; integer.
scales	Opt		Comma-separated list of axis against which to plot the chart, for example, x,y2. See examples below.
scaleTo	Optional	Determinedby data	Y-axis maximum value; integer.
seriesPlacement	Optional	default	Relative positions of series in charts that have more than one data series. default: ColdFusion determines relative positions, based on graph types cluster stacked percent
show3D	Optional	no	Whether to display the chart with three-dimensional appearance: yes no
showBorder	Optional	no	Whether to display a border around the chart: yes no
showLegend	Optional	yes	Whether to display the legend if the chart contains more than one data series: yes no
showMarkers	Optional	yes	Whether to display markers at data points in line, curve, and scatter graphs: yes no
showXGridlines	Optional	no	Whether to display x-axis gridlines: yes no
showYGridlines	Optional	yes	Whether to display y-axis gridlines: yes no
sortXAxis	Optional	no	Whether to display column labels in alphabetic order along the x axis: yes no Ignored if the xAxisType attribute is scale.
style	Optional		XML file or string to use to specify the style of the chart. In ColdFusion 11, the XML format style has been removed.
title	Optional		Title of the chart.
tipbgcolor	Optional	white	Background color of tips. Applies only to Flash format graph files. Hexadecimal value or supported named color; see the name list in the Usage section. For a hexadecimal value, use the form "##xxxxxx", where x = 0-9 or A-F; use two number signs or none.
tooltip	Optional		A struct of keys used to style the tool tip such as background, font,or border.
type	Optional		Type of chart.
url	Optional		URL to open if the user clicks item in a data series; the onClick destination page. You can specify variables within the URL string; ColdFusion passes current values of the variables. $VALUE$: the value of the selected row. If none, the value is an empty string. $ITEMLABEL$: the label of the selected item. If none, the value is an empty string. $SERIESLABEL$: the label of the selected series. If none, the value is an empty string, for example: "somepage.cfm?item=$ITEMLABEL$&series=$SERIESLABEL$&value=$VALUE$ "javascript:...": executes a client-side script.
width	Optional	320	Width of the Chart in pixels.
xAxis	Optional		A struct of keys used to style x axis such as format, guide, item, zooming, and label. See example below.
xAxis2	Optional		A struct of keys used to style second x axis such as format, guide, item, and label, which is on the top of the chart.
xAxisTitle	Optional		Title that appears on the x axis; text.
xAxisType	Optional	category	Whether the x axis indicates data or is numeric: category: The axis indicates the data category. Data is sorted according to the sortXAxis attribute. scale: The axis is numeric. All cfchartdata item attribute values must be numeric. The x axis is automatically sorted numerically.
xAxisvalues	Opt		An array of values to be displayed on x axis.
xOffset	Optional	0.1	Number of units by which to display the chart as angled, horizontally.Applies if show3D="yes". The number can be between 1 and 1,where "-1" specifies 90 degrees left and "1" specifies 90 degrees right.
yaxis	Opt		A struct of keys used to style y axis such as format, guide, item, and label.
yaxis2	Opt		A struct of keys used to style second y axis such as format, guide,item, and label, which is on the top of the chart.
yAxisTitle	Optional		Title of the y axis; text.
yAxisType	Optional	category	Currently has no effect, as the y axis is always used for data values.
yaxisvalues	Opt		An array of values to be displayed on y axis.
yOffset	Optional	0.1	Number of units by which to display the chart as angled, vertically.Applies if show3D="yes". The number can be between 1 and 1, where "-1" specifies 90 degrees left and "1" specifies 90 degrees right.
zoom	Opt		A struct of keys to be applied when you zoom the chart such as alpha, background, or bevel. See example below.

Usage

The cfchart tag defines a container in which a graph displays: its height, width, background color, labels, and so on. The cfchartseries tag defines the chart style in which data displays: bar, line, pie, and so on. The cfchartdata tag defines a data point.Data is passed to the cfchartseries tag in the following ways:

As a query
As data points, using the cfchartdata tag
For the font attribute value ArialUnicodeMS, the following rules apply:
In Windows, to permit Flash charts (type = "flash") to render a double-byte character set, select this value.
In UNIX, for all type values, to render a double-byte character set, select this value.
If this value is selected, the fontBold and fontItalic attributes have no effect.
The following table lists W3C HTML 4 named color value or hexadecimal values that the color attribute accepts:

Color name	RGB value
Aqua	##00FFFF
Black	#000000
Blue	##0000FF
Fuchsia	##FF00FF
Gray	##808080
Green	##008000
Lime	##00FF00
Maroon	##800000
Navy	##000080
Olive	##808000
Purple	##800080
Red	##FF0000
Silver	##C0C0C0
Teal	##008080
White	##FFFFFF
Yellow	##FFFF00

For all other color values, enter the hexadecimal value. You can enter a six-digit value, which specifies the RGB value, or an eight-digit value, which specifies the RGB value and the transparency. The first two digits of an eight-digit hexadecimal value specify the degree of transparency, with FF indicating opaque and 00 indicating transparent. Values between 00 and FF are allowed.
For more color names that are supported by popular browsers, go to www.w3.org/TR/css3-color. You can specify whether charts are cached in memory, the number of charts to cache, and the number of chart requests that ColdFusion can process concurrently. To set these options in the ColdFusion Administrator, select Server Settings>Charting.
The following attributes are not supported: format, labelformat , seriesplacement with percent as the value, sort, xAxis, url , xAxisType, xOffset, yAxisType, and yOffset.

Note:

If you are using <!DOCTYPE html>, and not DOCTYPE, cfchart uses quarks mode that is supported by browsers. For standard HTML output, the width and height must have html standard units i.e. px, % etc. In quarks mode, the width and height with units falls back to pixel.

Note:

Format="html" does not work when using <!DOCTYPE html> in a cfchart code.

Creating a basic chart

Create your first basic chart using the code sample below:

<cfchart format="html" type="bar" showlegend="false" chartHeight="600" chartWidth="400" title="Basic Chart">
    <cfchartseries>
        <cfchartdata item="2015" value=20>
        <cfchartdata item="2016" value=40>
        <cfchartdata item="2017" value=60>
    </cfchartseries>
</cfchart>

Output

Creating a 3d chart

To convert the above chart to 3D chart, all you need to do is specify the show3d attribute as true within the cfchart tag, as shown in the following example.

<cfchart format="html" type="bar" showlegend="false" chartHeight="400" chartWidth="600" title="Basic Chart" show3d="true">
    <cfchartseries>
        <cfchartdata item="2015" value=20>
        <cfchartdata item="2016" value=40>
        <cfchartdata item="2017" value=60>
    </cfchartseries>
</cfchart>

Output

Custom JSON styles in charts

cfchart uses JSON-based styles, which are easily customizable. ColdFusion provides default styles for each type of chart, but you can override the style using your own style file. The following example uses a custom style file to customize the title's font and background.

my_custom_style.json

{
 "graphset" : [
  {
   "type" : "bar",
   "title" : {
    "font-size" : 18,
    "color" : "#FF0000",
    "bold" : true,
    "font-family" : "Verdana",
    "background-color" : "#cccccc",
    "border-color" : "#cccccc",
    "border-width" : 1
   }
  }
 ]
}

Use the JSON in the cfm file, as shown below:

<cfchart format="html" type="bar" showlegend="false" chartHeight="400" chartWidth="600"
style="my_custom_style.json" title="Sales report">
    <cfchartseries>
        <cfchartdata item="2012" value=#randrange(10,100)#>
        <cfchartdata item="2013" value=#randrange(10,100)#>
        <cfchartdata item="2014" value=#randrange(10,100)#>
        <cfchartdata item="2015" value=#randrange(10,100)#>
        <cfchartdata item="2016" value=#randrange(10,100)#>
        <cfchartdata item="2017" value=#randrange(10,100)#>
    </cfchartseries>
</cfchart>

Output

Creating a two-series bar chart

Use the following cfm file to create a two-series bar chart.

<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series chart">
    <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
        <cfchartdata item="Day 1" value="19.2"/>
        <cfchartdata item="Day 2" value="15.2"/>
        <cfchartdata item="Day 3" value="15.1"/>
        <cfchartdata item="Day 4" value="12.6"/>
        <cfchartdata item="Day 5" value="14.2"/>
    </cfchartseries>
    <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
        <cfchartdata item="Day 1" value="39.2"/>
        <cfchartdata item="Day 2" value="35.2"/>
        <cfchartdata item="Day 3" value="35.1"/>
        <cfchartdata item="Day 4" value="32.6"/>
        <cfchartdata item="Day 5" value="34.2"/>
    </cfchartseries>
</cfchart>

Output

Creating a line chart

Use the following cfm file to create a line chart:

<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Line chart">
<cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red">
<cfchartdata item="Day 1" value="19.2"/>
<cfchartdata item="Day 2" value="15.2"/>
<cfchartdata item="Day 3" value="15.1"/>
<cfchartdata item="Day 4" value="12.6"/>
<cfchartdata item="Day 5" value="14.2"/>
</cfchartseries>
</cfchart>

Output

Creating a two-series line chart

Use the following cfm to create a two-series line chart:

<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series Line chart">
    <cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red">
        <cfchartdata item="Day 1" value="19.2"/>
        <cfchartdata item="Day 2" value="15.2"/>
        <cfchartdata item="Day 3" value="15.1"/>
        <cfchartdata item="Day 4" value="12.6"/>
        <cfchartdata item="Day 5" value="14.2"/>
    </cfchartseries>
    <cfchartseries type="line" serieslabel="HCT" markerstyle="diamond" color="blue" >
        <cfchartdata item="Day 1" value="39.2"/>
        <cfchartdata item="Day 2" value="35.2"/>
        <cfchartdata item="Day 3" value="35.1"/>
        <cfchartdata item="Day 4" value="32.6"/>
        <cfchartdata item="Day 5" value="34.2"/>
    </cfchartseries>
</cfchart>

Output

Creating a pie chart

You can create a pie chart using hard-coded values in cfchartdata, as shown below:

<cfchart format="png" chartWidth="600" chartHeight="400" pieSliceStyle="sliced">
    <cfchartseries type="pie" serieslabel="Website Traffic 2016">
        <cfchartdata item="January" value="#randRange(500000,1000000)#">
        <cfchartdata item="February" value="#randRange(500000,1000000)#">
        <cfchartdata item="March" value="#randRange(500000,1000000)#">
        <cfchartdata item="April" value="#randRange(500000,1000000)#">
        <cfchartdata item="May" value="#randRange(500000,1000000)#">
        <cfchartdata item="June" value="#randRange(500000,1000000)#">
    </cfchartseries>
</cfchart>

Output

Create a pie chart using data from a database

You can also import data from a database and create a chart pie based on a column of values.

<cfquery name="qEmployee" datasource="cfdocexamples" maxRows="6">
    SELECT FirstName, LastName, Salary FROM EMPLOYEE
</cfquery>
<cfchart format="html" pieslicestyle="solid" chartWidth="600" chartHeight="400">
    <cfchartseries query="qEmployee" type="pie" serieslabel="Salary Details 2016" valuecolumn="Salary" itemcolumn="FirstName">
    </cfchartseries>
</cfchart>

Output

Create a dynamic refresh chart

A major use-case of dynamic charts is the depiction of real-time data. In such cases, the chart needs to show new data at regular intervals of time.

Using a full refresh feed, you can refresh the whole chart at regular intervals. When there is no relevance for the old values and the chart only needs to show the latest numbers, use a full refresh chart.

In such a chart, you need a URL from which the chart tries to get latest data at a specified interval.

<!--- refresh.cfm --->

<cfchart format="html" refresh="#{"type"="full","interval":"2","url":"feed.cfm"}#" chartWidth="800" chartHeight="600"/>

<!--- feed.cfm --->

<cfscript>
       values1=values2=values3=[];
       for (i=1;i<=5;i++){
             values1[i]=randRange(20,40);
       }
       for (i=1;i<=5;i++){
             values2[i]=randRange(40,60);
       }
       for (i=1;i<=5;i++){
             values3[i]=randRange(60,80);
       }
</cfscript>
{
  "graphset" : [
  {
    "type" : "bar",
    "refresh" : {
        "type" : "full",
        "interval" : 2
    },
       "title" : {
             "text" : "Full Refresh Chart"
       },
    "series" : [
     {
        "values" : <cfoutput>#serializeJSON(values1)#</cfoutput>
     },
     {
        "values" : <cfoutput>#serializeJSON(values2)#</cfoutput>
     },
     {
        "values" : <cfoutput>#serializeJSON(values3)#</cfoutput>
     }] 
  }]
}

Download

Get file

Click to view the output. This is an MP4 movie file.

Using the arrows attribute

<cfscript>
       arrows=[{"backgroundColor":"red","label":{"text":"Data for 2017","bold":true,"backgroundColor":"white"},
       "size":6,"from":{"x":200,"y":100},"to":{"x":400,"y":200}}];
</cfscript>
<cfchart format="html" type="bar" showlegend="false" chartHeight="400" chartWidth="600" title="Chart with arrow" show3d="true"
arrows="#arrows#">
       <cfchartseries >
             <cfchartdata item="2015" value=20>
             <cfchartdata item="2016" value=40>
             <cfchartdata item="2017" value=60>
       </cfchartseries>
</cfchart>

Output

Using the aspect3d attribute when true3d=false

<cfscript>
       aspect3d={"angle":90,"depth":100,"true3d":false};
</cfscript>
<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series chart" aspect3d="#aspect3d#"
show3d="true">
       <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the aspect3d attribute when true3d=true

<cfscript>
       aspect3d={"angle":90,"depth":100,"true3d":true};
</cfscript>
<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series chart" aspect3d="#aspect3d#"
show3d="true">
       <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the background attribute

<cfscript>
       background={};
       background={"color":"red","color-2":"green"};
</cfscript>

<cfchart
   format="html"
   scalefrom="0"
   scaleto="1200000"
   showlegend="true"
   chartheight="400"
   chartwidth="600"
   background="#background#" >
  <cfchartseries
      type="bar"
      serieslabel="Website Traffic 2016"
      seriescolor="blue">
    <cfchartdata item="January" value="503100">
    <cfchartdata item="February" value="720310">
    <cfchartdata item="March" value="688700">
    <cfchartdata item="April" value="986500">
    <cfchartdata item="May" value="1063911">
    <cfchartdata item="June" value="1115321">
   </cfchartseries>
  
  <cfchartseries
      type="bar"
      serieslabel="Website Traffic 2015"
      seriescolor="yellow">
    <cfchartdata item="January" value="#RandRange(300000, 900000)#">
    <cfchartdata item="February" value="#RandRange(300000, 900000)#">
    <cfchartdata item="March" value="#RandRange(300000, 900000)#">
    <cfchartdata item="April" value="#RandRange(300000, 900000)#">
    <cfchartdata item="May" value="#RandRange(300000, 900000)#">
    <cfchartdata item="June" value="#RandRange(300000, 900000)#">
  </cfchartseries>
</cfchart>

Output

Using the border attribute

<cfscript>
       border={"color":"blue","radius":6,"width":2};
</cfscript>
<cfchart format="html" type="bar" showlegend="false" chartHeight="400" chartWidth="600" border="#border#">
       <cfchartseries >
             <cfchartdata item="2015" value=20>
             <cfchartdata item="2016" value=40>
             <cfchartdata item="2017" value=60>
       </cfchartseries>
</cfchart>

Output

Using the crosshair attribute

<cfscript>
       crosshair={"line-color":"green","line-style":"dashed","alpha"=1};
</cfscript>
<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series chart" crosshair="#crosshair#">
       <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the fill attribute

<cfscript>
       fill={"angle":45,"background-color-1":"gray","background-color-2":"yellow"};
</cfscript>
<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series chart" fill="#fill#">
       <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the labels attribute

<cfscript>
       labels=[{"text":"Sample comparison line chart","font-family":"Verdana","font-size":18}];
</cfscript>
<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" labels="#labels#">
       <cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="line" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the legend attribute

<cfscript>
       legend={"background-color":"lightgray"};
</cfscript>
<cfchart format="html" title="Graph" chartHeight="400" chartWidth="600" showLegend="yes" legend="#legend#">
       <cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="line" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the plot attribute

<cfscript>
       plot={"rules":[           
             {
             "rule":"%v<700000",
             "background-color":"green" // set a rule that all values less than 700000
             },                            // are shown as green colored bars in the graph
             {
             "rule":"%v>700000",   // set a rule that all values more than 700000
             "background-color":"red"   // are shown as green colored bars in the graph
             }
       ]};
</cfscript>

<cfchart
   format="html"
   scalefrom="0"
   scaleto="1200000"
   showlegend="false"
   chartheight="400"
   chartwidth="600"
   plot="#plot#" 
   title="Website Traffic 2016">
  <cfchartseries type="bar">
    <cfchartdata item="January" value="503100">
    <cfchartdata item="February" value="620310">
    <cfchartdata item="March" value="688700">
    <cfchartdata item="April" value="986500">
    <cfchartdata item="May" value="1063911">
    <cfchartdata item="June" value="1115321">
   </cfchartseries>
</cfchart>

Output

Using the preview attribute

<cfscript>
       n=200;
       preview={"visible":true,"live":true,"preserve-zoom":true,"border-width":"3"}; //preview struct
       
       myarray=[];
       for (i=1;i<=n;i++){
             myarray[i]=randrange(1,n);
       }
       strengtharray=[];
       for (i=1;i<=n;i++){
             strengtharray[i]=randrange(15,25);
       }
       myquery=QueryNew("points,data,strength","integer,integer,integer");
       for (i=1;i<=arraylen(myarray);i++){
             queryAddRow(myquery);
             querySetCell(myquery,"points",myarray[i]);
             querySetCell(myquery,"data",i);
             querySetCell(myquery,"strength",strengtharray[i]);
       }
       
       cfchart(format = "html", title = "Report", scalefrom="1", scaleto="#n#",chartheight="400",chartwidth="600",
       preview="#preview#") {
             cfchartseries(query="myquery",type="line" ,valuecolumn="points" ,itemcolumn="data" ,
             zcolumn="strength");
       }
</cfscript>

Output

Using the seriesPlacement attribute

<cfchart format="html" title="Graph" chartHeight="400" chartWidth="600" showLegend="yes" seriesPlacement="stacked">
       <cfchartseries type="bar" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="bar" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the scales attribute

Example 1

<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series Line chart" scales="x,y">
       <cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red" scales="x2,y2">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="line" serieslabel="HCT" markerstyle="diamond" color="blue" >
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Example 2

<cfchart format="html" chartHeight="400" chartWidth="600" showLegend="no" title="Two-series Line chart" scales="x,y">
       <cfchartseries type="line" serieslabel="WBC" markerstyle="circle" color="red">
             <cfchartdata item="Day 1" value="19.2"/>
             <cfchartdata item="Day 2" value="15.2"/>
             <cfchartdata item="Day 3" value="15.1"/>
             <cfchartdata item="Day 4" value="12.6"/>
             <cfchartdata item="Day 5" value="14.2"/>
       </cfchartseries>
       <cfchartseries type="line" serieslabel="HCT" markerstyle="diamond" color="blue" scales="x2,y2">
             <cfchartdata item="Day 1" value="39.2"/>
             <cfchartdata item="Day 2" value="35.2"/>
             <cfchartdata item="Day 3" value="35.1"/>
             <cfchartdata item="Day 4" value="32.6"/>
             <cfchartdata item="Day 5" value="34.2"/>
       </cfchartseries>
</cfchart>

Output

Using the xAxis attribute

<cfscript>
       n=200;
       preview={"visible":true,"live":true,"preserve-zoom":true,"border-width":"0"}; //preview struct
       xAxis={"label":{"text":"Drag the handles to zoom in to the chart","color":"red"},"zooming":true};
       myarray=[];
       for (i=1;i<=n;i++){
             myarray[i]=randrange(1,n);
       }
       strengtharray=[];
       for (i=1;i<=n;i++){
             strengtharray[i]=randrange(15,25);
       }
       myquery=QueryNew("points,data,strength","integer,integer,integer");
       for (i=1;i<=arraylen(myarray);i++){
             queryAddRow(myquery);
             querySetCell(myquery,"points",myarray[i]);
             querySetCell(myquery,"data",i);
             querySetCell(myquery,"strength",strengtharray[i]);
       }
       
       cfchart(format = "html", title = "Report", scalefrom="1", scaleto="#n#",chartheight="600",chartwidth="800",
       preview="#preview#",xaxis="#xaxis#") {
             cfchartseries(query="myquery",type="line" ,valuecolumn="points" ,itemcolumn="data" ,
             zcolumn="strength");
       }
</cfscript>

Using the zoom attribute

<cfscript>
       n=200;
       preview={"visible":true,"live":true,"preserve-zoom":true,"border-width":"0"}; //preview struct
       xAxis={"label":{"text":"Drag the handles to zoom in to the chart","color":"red"},"zooming":true};
       zoom={"alpha":"0.3","border-color":"black","border-width":4,"background-color":"gray","label":{"border-color":"red","border-width":2,"font-size":10}};
       myarray=[];
       for (i=1;i<=n;i++){
             myarray[i]=randrange(1,n);
       }
       strengtharray=[];
       for (i=1;i<=n;i++){
             strengtharray[i]=randrange(15,25);
       }
       myquery=QueryNew("points,data,strength","integer,integer,integer");
       for (i=1;i<=arraylen(myarray);i++){
             queryAddRow(myquery);
             querySetCell(myquery,"points",myarray[i]);
             querySetCell(myquery,"data",i);
             querySetCell(myquery,"strength",strengtharray[i]);
       }
       
       cfchart(format = "html", title = "Report", scalefrom="1", scaleto="#n#",chartheight="600",chartwidth="800",
       preview="#preview#",xaxis="#xaxis#",zoom="#zoom#") {
             cfchartseries(query="myquery",type="line" ,valuecolumn="points" ,itemcolumn="data" ,
             zcolumn="strength");
       }
</cfscript>

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cfchart

Description

Category

Syntax

See also

History

Deprecation

Attributes

Usage

Creating a basic chart

Creating a 3d chart

Custom JSON styles in charts

Creating a two-series bar chart

Creating a line chart

Creating a two-series line chart

Creating a pie chart

Create a pie chart using data from a database

Create a dynamic refresh chart

Using the arrows attribute

Output

Using the aspect3d attribute when true3d=false

Using the aspect3d attribute when true3d=true

Using the background attribute

Using the border attribute

Using the crosshair attribute

Using the fill attribute

Using the labels attribute

Using the legend attribute

Using the plot attribute

Using the preview attribute

Using the seriesPlacement attribute

Using the scales attribute

Using the xAxis attribute

Using the zoom attribute

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