Scale Features

Scale Features

The following types of scales are available in the library:

Rectangular scales (that is, scales with straight-line axes).

Circular scales (can be used only in polar charts)

The scales can be graduated with:

Linear graduations

Logarithmic graduations

Decorations

The following kinds of decorations can be added to a chart to improve its appearance or to help in understanding the data:

Legends that explain the displayed data

Grids to help you locate the data points on a chart

Cursors that show the values of a given data point on the scales of a chart

Annotations linked to given data points

Grids, cursors, and annotations are all part of the chart. A legend is a separate graphic object that can be positioned independently of the chart.

Interactors

The following interactors are available that allow the user to interact with a chart.

A zoom interactor to zoom and unzoom within the displayed data

A scroll interactor to scroll the displayed data with the arrow keys

A pan interactor to scroll the displayed data with the mouse

A crosshair interactor that displays a crosshair at the location of the mouse pointer

Data interactors that allow the user to do the following:

Drag a data point.

Highlight or display information related to a data point.

Select data points (either all the data points of a data set or only a single data point).

Version 6.1