Chart

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Note  For a description and a complete list of UI Objects, see UI Objects.

Draws a chart. Its appearance and data are set with UI Attributes. More than one set of values can be specified.

UI Object chart.png

Parameters

  • id: the object's ID, used by UISets. Required
  • position: the object's position. Use the pixels or rows and columns coordinates format
  • size: the chart's area's width and height
  • attributes: list of UI attribute ids and values defining the chart's aspect and data. Setting this parameter is the same as setting each UI attribute with a UISet

Chart types

The type attributes defines the way the values are displayed.

Type Result Description
bars UI Object chart bars.jpg Draw bars
gauge UI Object chart gauge.jpg Draw a gauge, for charts with a single value. Use with the "value" attribute
points UI Object chart points.jpg Draws points
line UI Object chart line.jpg Draws a line connecting the values
spline UI Object chart spline.jpg Draws a spline connecting the values

Syntax

(chart!<id> <address>; <position>; <width>; <height>; <attributes>)

E.g.

(chart!chart1 x3y187; 312; 180; (type=line; values=0,10,24,12,7,35,42,1,23,4))

UI Attributes

Common attributes

Name Value Description
pos x<x>y<y> Position specified as x/y coordinates. E.g. x-5y10
visible true Default. Show the object
false Hide the object
blink true | slow Blink the object at a slow speed
fast Blink the object at a fast speed
false Stop the blinking
opacity 0.0 ... 1.0 Object opacity from 0 (not visible) to 1 (fully visible)
rotation 0 ... 360 Object rotation in degrees. Images are rotated around the center point, all other objects are rotated around the top left corner

Chart attributes

Name Value Description
type bars Draw bars
gauge Draw a gauge, for charts with a single value. Use with the "value" attribute
points Draws points
line Draws a line connecting the values
spline Draws a spline connecting the values
orientation vertical Default value. Draws a vertical chart
horizontal Draws an horizontal chart
value single value Value to be drawn. To be used when "type" is gauge
value[n] Same as "value", but applies to a specific set of values
values comma-separated list of values Values to be drawn. E.g. 2,3,1.2,4
comma-separated list of arrays Sets of values to be drawn. E.g. [2,3,1.2,4],[4,1,0,0.2]
values[n] Same as "values", but applies to a specific set of values
valuerange [min],[max] Range of values displayed. E.g. -2,10
axislabels auto Default. Labels on the x axis (if vertical) or y axis (if horizontal) will go from 1 to the total number of values.
none No label is shown on the x axis (if vertical) or y axis (if horizontal)
comma-separated list of values Custom labels on the x axis (if vertical) or y axis (if horizontal)
valuelabeltype inside Value labels are shown inside (if "type" is bars, points or gauge) or over (if "type" is line or spline)
outside Value labels are shown above or below
popup Value labels are shown on mouseover, or on touch (if on a touch-enabled device)
valuelabelcolor CSS color Color of the value labels font
valuelabels comma-separated list of values Custom values to show in value labels
valuelabels[n] Same as "valuelabels", but applies to a specific set of values
spacing 0-100 Percentage of spacing between bars or points
spacing[n] Same as "spacing", but applies to a specific set of values
offset[n] percentage Percentage of value offset. Used to shift a specific set on the x axis if vertical, or on the y axis if horizontal. Used to show background sets. E.g. "offset[0]=-20; offset[1]=20"
drawaxis true Default. The axes are visible (also notches and labels)
false The axes are not visible (also notches and labels)
axisoffset percentage The axis offset (y if vertical, x if horizontal) expressed as percentage or as the value series index. E.g. "50%" or "3"
origin value Moves the origin to a value different from 0 ( e.g. origin=3.2 )
notches value Number of notches on the x-axis (for vertical charts) or on the y-axis (for horizontal charts)
pointsize number of pixels Point size (use for the points chart type)
bgcolor CSS color Background color
valuecolor CSS color A color that applies to all values
valuecolor[n] Same as "valuecolor", but applies to a specific set of values
valuecolors comma-separated list of CSS colors List of colors, one for each data point in values
valuecolors[n] Same as "valuecolors", but applies to a specific set of values
barborder true Show bars/points border
false hide bars/points border
axiscolor CSS color Axis color
notchcolor CSS color Color of the axis notches
labelcolor CSS color Color of the axis and bars labels
thresholds Comma-separated list of values List of values at which to display a line (threshold)
thresholdcolor CSS color Color of threshold lines
thresholdcolors comma-separated list of CSS colors List of colors of threshold lines, one value each line
stroke number of pixel Pixel size of the stroke that applies to line and spline chart's types
stroke[n] Same as "colspan", but applies to a specific set of values
A CSS color can be specified as
  • hex value: #<rr><gg><bb> E.g. #FF1010
  • color name: red, blue, white...
  • as rgb: rgb(<r>,<g>,<b>) E.g. rgb(255,30,30)
  • as rgba: rgba(<r>,<g>,<b>,<alpha>) E.g. rgba(255,30,30,0.5)