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Appendix A- Options

 
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Appendix A - Options

Each element of a chart (whether it is a scale, an angle, a curve, a point, a stroke, and so on) is provided with a number of options. The choice of the options may greatly affect the rendering of a chart. The options table in this page provides a list of all the available options for the elements of each chart type, along with their default values.
In the examples provided in the previous pages, chart rendering is based on option default values.
You may however decide to adopt different options in generating your charts.
Press this link to display some optioned charts as compared to their defaulted versions.

 
Charts Options Table
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Option Type Default
value
Meaning
x x x x     scaleOverlay boolean false show the scale above the chart data
x x x x     scaleOverride boolean false override with a hard coded scale
x x x x     scaleSteps (*) number null The number of steps in a hard coded scale
x x x x     scaleStepWidth (*) number null The value jump in the hard coded scale
x x x x     scaleStartValue (*) number null The scale starting value
  x   x     scaleShowLine boolean true Whether to show lines for each scale point
x x x x     scaleLineColor string "rgba(0,0,0,0.1)" Colour of the scale line
x x x x     scaleLineWidth number 1 Pixel width of the scale line
x x x x     scaleShowLabels boolean true Whether to show labels on the scale
x x x x     scaleLabel interpolated JS string "<%=value%>" can access value
x x x x     scaleFontFamily string "'Arial'" Scale label font declaration for the scale label
x x x x     scaleFontSize number 12 Scale label font size in pixels
x x x x     scaleFontStyle string "normal" Scale label font weight style
x x x x     scaleFontColor string "#666" Scale label font colour
x   x       scaleShowGridLines boolean true Whether grid lines are shown across the chart
x   x       pointLabelFontSize number 12 Point label font size in pixels
  x         pointLabelFontColor string "#666" Point label font colour
      x x x segmentShowStroke boolean true Stroke a line around each segment in the chart
      x x x segmentStrokeColor string "#fff" The colour of the stroke on each segment.
      x x x segmentStrokeWidth number 2 The width of the stroke value in pixels
          x percentageInnerCutout number 50 The percentage of the chart to be cut out of the middle
x x x x x x animation boolean true Whether to animate the chart
x x x       animationSteps number 60 Number of animation steps
      x x x 100
x x x       animationEasing string "easeOutQuart" Animation easing effect
      x x x "easeOutBounce"
      x x x animateRotate boolean true Whether to animate the rotation of the chart
      x x x animateScale boolean false Whether to animate scaling the chart from the centre
x x x x x x onAnimationComplete function null Fires when the animation is complete
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Option Type Default
value
Meaning

(*) Required if scaleOverride is true




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