Component Prototype

Description

Marker Detection Component

 

Marker based tracker component. Based on ARToolKit library, the component tracks the camera to the marker when detected. Transformation of the marker position with respect to the camera is given as an output. Also a boolean slot set to true when marker is detected and false when is not detected. Marker pattern file name and marker width are configurable properties of the component.

Out-slots

Name

Type

Description

detected

boolean

True when marker is detected and false when is not detected

transformation

matrix

Transformation matrix of the marker when detected

Properties

Name

Type

Description

iconFileName*

string

The filename of the icon shown for the component in the authoring environment.

markerFile

string

File name of the marker pattern.

markerWidth

double

Width of the marker pattern

on

boolean

When True, the Anti-jitter works

numberOfFrames

integer

Even the marker is not detected, this number sets the limit of frames in which the marker seems to "be detected" and emits detected (TRUE). After this limit, it emits detected FALSE