MouseTracker

import {MouseTracker} from 'cx/charts';

The MouseTracker widget is used to track mouse position on the chart.

MouseTracker is commonly used with point reducers to track values on the graph.

<Svg style="width:600px;height:500px;" margin="60 60 60 60">
    <Chart axes={{
        x: <NumericAxis min={0} max={100} />,
        y: <NumericAxis min={0} max={100} vertical/>,
    }}>
        <Gridlines />
        <MouseTracker
            x-bind="$page.cursor.x"
            y-bind="$page.cursor.y"
            tooltip={{
              destroyDelay: 5,
              createDelay: 5,
              text: { tpl: "({$page.cursor.x:n;1}, {$page.cursor.y:n;1})" },
              trackMouse: true
            }}
        >
            <Marker visible-expr="!!{$page.cursor}" x-bind="$page.cursor.x" y-bind="$page.cursor.y" size={10}/>
            <MarkerLine visible-expr="!!{$page.cursor}" x-bind="$page.cursor.x" y2-bind="$page.cursor.y" y1={0}/>
            <MarkerLine visible-expr="!!{$page.cursor}" y-bind="$page.cursor.y" x2-bind="$page.cursor.x"/>
        </MouseTracker>
    </Chart>
</Svg>

Copied!Cx Fiddle

Configuration

Property	Description	Type
x	A binding used to receive a value tracked from the `x` axis.	object
xAxis	Name of the horizontal axis. The value should match one of the horizontal axes set in the `axes` configuration of the parent `Chart` component. Default value is `x`.	string
y	A binding used to receive a value tracked from the `y` axis.	object
yAxis	Name of the vertical axis. The value should match one of the vertical axes set in the `axes` configuration if the parent `Chart` component. Default value is `y`.	string
anchors	Anchor defines how child bounds are tied to the parent. Zero aligns with the top/left edge. One aligns with the bottom/right edge. See Svg for more information.	string/number/rect
class className	Additional CSS classes to be applied to the element. If an object is provided, all keys with a "truthy" value will be added to the CSS class list.	string/object
items children	List of child elements.	array
margin	Apply margin to the given boundaries. See Svg for more information.	string/number/rect
mod	Appearance modifier. For example, `mod="big"` will add the CSS class `.cxm-big` to the block element.	string/array
offset	Move boundaries specified by the offset. See Svg for more information.	string/number/rect
outerLayout	Defines the outer layout which wraps the widget.	widget
padding	Padding to be applied to the boundaries rectangle before passing to the children.	string/number/rect
plainText	Set to `true` to avoid converting inner strings to templates. Default is `false`.	boolean
preserveWhitespace ws	Keep whitespace in text based children. Default is `false`. See also `trimWhitespace`.	boolean
putInto contentFor	Used with outer layouts. Specifies the name of the content placeholder which should render the widget.	string
style	Style object applied to the wrapper div. Used for setting the dimensions of the element.	string/object
trimWhitespace	Remove all whitespace in text based children. Default is `true`. See also `preserveWhitespace`.	boolean
vdomKey	Key that will be used as the key when rendering the React component.	string
visible if	Visibility of the widget. Defaults to `true`.	boolean

Documentation

MouseTracker