Settings for Line Charts

Here various properties of line charts are listed. The properties construct the chart object. Some of the properties contain an object as value. Data-presenting properties are compulsory while a number of styling options can be omitted or replaced.

Data Presentation

value (string) - the data item chosen for graphical representation; as a rule, its values are taken for text labels of the Y axis
data / url (string) - data source for the component
label (string) - text labels for each point on the line.

Setting titles for each axis:

Here you should add title parameter for xAxis and yAxis constructor:

xAxis:{
    ...
    title:"Some Text_1"
},
yAxis:{
    ...
    title:"Some Text_2"
}

Related sample: Line Chart: Axes

Learn how to set scales for the chart in the corresponding chapter of the manual.

Chart Series. Several Graphs in One Chart

Styling and Positioning

item (object) - a point on the line, a stop for each value. It includes:
- alpha (number) - (number from 0 to 1) the marker opacity (by default, 1)
- borderColor (string,function) - the color of the point border
- borderWidth (number) - the width of the border (for square points)
- color (string, function) - the color of the points as a hex code or a function
- eventRadius (number) - the radius of the virtual circle the events of which will fire for items within
- shadow (boolean) - if true, adds a shadow to a point. False by default
- radius (number) - the radius of the point
- type - (string) - the shape of a marker ( by default, 'r'). The predefined values are:
  - 's' - square
  - 't' - triangle
  - 'd' - diamond
  - 'r' - round.
line - a broken or curved (in case of a spline chart) line:
- color (string) - the color of the line as a hex code
- width (number) - the width of the line
- shadow (boolean) - a shadow for the line (optional).
offset (number) - the offset of the first item in a chart, the initial numeric value.

Getting rid of points on the line

item:{radius:0}

Making square points for the line

item:{
       borderColor:"#b64040",
       color: "#b64040",
       type:"d",
       radius:3,
       borderWidth:1 //here you make it square
}

Related sample: Line Chart: Styling

Style Presets

There are three style presets for the Chart component

plot - a blue line with white points
diamond - an orange line with wine red square points
square - an emerald line with hollow square points
round - a blue line with semi-transparent points
simple - a light green line with dark green points.

All of them are set with the help of preset property.

Back to all chart types