# Package com.orsoncharts.marker

Provides value and range marker support for the axes on category and XYZ plots.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  Marker | A base interface for all markers.
  MarkerChangeListener | A listener for marker change events.
  ValueMarker | A marker that can be used to mark a value or range of values on a `ValueAxis3D`.

- Class Summary
  Class | Description
  --- | ---
  AbstractMarker | A base class for implementing markers (includes the event notification mechanism).
  CategoryMarker | A marker for a category on a `CategoryAxis3D`.
  MarkerChangeEvent | An event associated with a change to a `Marker`.
  MarkerData | A record holder for data relating to markers that needs to be passed to the 3D engine.
  MarkerLine | A data object that represents a line within a `MarkerData` structure.
  NumberMarker | A marker used to mark one value on an axis.
  RangeMarker | A marker that marks a range of values on an axis.

- Enum Summary
  Enum | Description
  --- | ---
  CategoryMarkerType | An enumeration of the different types of `CategoryMarker`.
  MarkerDataType | An enumeration of the different types of `MarkerData`.

## Package com.orsoncharts.marker Description

Provides value and range marker support for the axes on category and XYZ plots.