ZoomCharts Documentation

Whether to align the zero value with other axes

Always animate value axis

• auto - Only when necessary
• always - Animate also on the first load

Whether to show vertical line along value axis

Show/hide value axis.

Whether to force top and bottom values in the hgrid.

Amount to inset the forced min/max values

Additional offsets for forced top and bottom values

Placement of grid lines in relation to series data.

• above - grid lines drawn after series
• under - grid lines drawn before series

Whether to show horizontal grid lines. Specifying null means that only the first value axis will show the horizontal lines, all other axis will not.

Whether to hide the valid axis when it is not valid

This parameter works together with animate when it's set to "always" as here you can define fixed initial value that should be used for animation beginning. If set to 0, then animation would be with "dropping" effect. If set to larger value than your maximum series value, then effect would be "growing". If you want animation value to be calculated automatically depending on your data, keep default value and adjust initialAnimationValueMultiplier.

This parameter works together with animate when it's set to "always". It's used for multiplying maxium series value to get "growing" or "dropping" animation effect. By default (if initial animation is turned on) there would be "growing" effect. You can increase this value if you need "further growing". To make "dropping" effect you should use values less than 1, (for example: 0.45). Also adjust scaleAdjustmentAnimationDelay to make animation longer.

Whether to use logarithmic scale.

Fixed maximum value for value axis. If not set it will be computed automatically from visible data and zeroLine settings.

Fixed minimum value for value axis. If not set it will be computed automatically from visible data and zeroLine settings.

Only draw the top and bottom labels

Only draw non-redundant labels

Location of the value axis.

• inside - on the left side, outside of the chart
• outside - on the left side, inside of the chart

The animation easing function.

• = - linear animation
• <> - quadratic easing

Scale adjustment animation duration.

This tolerance specifies how big that part is as fraction of total chart height. When part of the vertical space is not used chart scale is automatically adjusted.

Smallest difference between two labels. For example, use 1 to disallow the labels to go into fractions.

Difference between two values on the axis. If not set (default), will be automatically calculated from chart height, min, max value and style.labelSpacing.

Value axis side in chart. Possible values: "left" or "right".

Fixed width of the value axis. If not set it will be computed automatically from font size.

How to scale units when snapping to simple fractions. Normally, values on a linear scale are snapped to 1, 2, 2.5, 5, or 10 unit. For example if a value of 9 snaps to 10 with snapScale 1, then with snapScale 3, the linear scale will snap (9/3)=3 to (5*3)=15

Style for parts of value axis.

Properties

Provides the ability to draw threshold guidelines and fill background areas for certain values. For example, this can be used to highlight an area that exceeds certain limit.

Title text for the value axis.

Following formats are supported:

^0([.,]0+)?( ?%) - percentage ^([^0-9]+)?0?([.,]0+)?([^0-9]+)? - currency

Prepare custom format values to display in value axis. If using this, consider also setting the size parameter to accommodate your label size.

Parameters

Return value

Zero line.

• visible - adjusts position accordingly to the min/max values
• center - always centered
• floating - can be outside the visible chart - shown only range between min-max values.