Extract point coloring from an active navGraph session for a particular data set.

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Description

If you use the brush and coloring tool in navGraph, you can retrieve your coloring information with this function as long the navGraph session is still active.

Usage

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ng_get_color(obj, dataName)

Arguments

obj

A navgraph handler of an active navGraph session.

dataName

String of the data name. If not specified and only one data set is beeing used in the navGraph session, it will default to this data. Otherwise, if multiple data sets are being used in a navGraph session, the function will list the name of these data sets and ask you to specify one.

Value

Vector with color values for each point.

Author(s)

Adrian Waddell and Wayne Oldford

See Also

navGraph, ng_set_color<-, ng_get_size, ng_set_size<-

Examples

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

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

## get colors from active navGraph session
cols <- ng_get_color(nav, "IrisData")

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