ng_update: Synchronize a navGraph handler with a running navGraph sesson
In RnavGraph: Using Graphs as a Navigational Infrastructure

Description Usage Arguments Value Author(s) See Also Examples

The navGraph handler can be used to interact with a running navGraph session via the R prompt.

For the tk2d display one can change color and size of the data points. You can retrieve this information by updating the navGraph handler and reading the group attribute of the data object back. See the examples.

1	ng_update(nghandler)

nghandler

navGraph handler of a running navGraph session.

updated navGraph handler.

Adrian Waddell and R. Wayne Oldford

navGraph, ng_walk, ng_get-methods

## Define a NG_data object
ng.iris <- ng_data(name = "iris", data = iris[,1:4])

## start a navGraph session
nav <- navGraph(ng.iris)

## modify colors of points

## update navGraph handler
nav <- ng_update(nav)
nav # show method

## get information form navGraph handler
ng_get(nav)

## get group attribute back
ng_get(ng_get(nav,"data"),"group")