Revision a84e9ffb3ac841114d4db4e70036eab333d29d2f authored by R. Wayne Oldford on 10 May 2021, 06:10:05 UTC, committed by cran-robot on 10 May 2021, 06:10:05 UTC
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l_setLinkedStates.Rd
% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/l_linkedStates.R
\name{l_setLinkedStates}
\alias{l_setLinkedStates}
\title{Modify States of a Plot that are Linked in Loon's Standard Linking 
  Model}
\usage{
l_setLinkedStates(widget, states)
}
\arguments{
\item{widget}{widget path as a string or as an object handle}

\item{states}{used linkable state names, see in details below}
}
\description{
Loon's standard linking model is based on three levels, the 
  \code{linkingGroup} and \code{linkingKey} states and the \emph{used
  linkable states}. See the details below.
}
\details{
Loon's standard linking model is based on two states, 
  \code{linkingGroup} and \code{linkingKey}. The full capabilities of the 
  standard linking model are described here. However, setting the 
  \code{linkingGroup} states for two or more displays to the same string is 
  generally all that is needed for linking displays that plot data from the 
  same data frame. Changing the linking group of a display is also the only 
  linking-related action available on the analysis inspectors.
  
  The first linking level is as follows: loon's displays are linked if they 
  share the same string in their \code{linkingGroup} state. The default 
  linking group \code{'none'} is a keyword and leaves a display un-linked.
  
  The second linking level is as follows. All \code{n}-dimensional states can
  be linked between displays. We call these states \emph{linkable}. Further, 
  only linkable states with the same name can be linked between displays. One
  consequence of this \emph{shared state name} rule is that, with the 
  standard linking model, the \code{linewidth} state of a serialaxes display 
  cannot be linked with the \code{size} state of a scatterplot display. Also,
  each display maintains a list that defines which of its linkable states 
  should be used for linking; we call these states the \emph{used linkable} 
  states. The default used linkable states are as follows
  
  \tabular{ll}{
  
  Display \tab Default \emph{used linkable} states\cr
  
  scatterplot \tab \code{selected}, \code{color}, \code{active}, 
  \code{size}\cr histogram \tab \code{selected}, \code{color}, 
  \code{active}\cr
  
  serialaxes \tab \code{selected}, \code{color}, \code{active}\cr
  
  graph \tab \code{selected}, \code{color}, \code{active}, \code{size}
  
  }
  
  If any two displays are set to be linked (i.e. they share the same linking 
  group) then the intersection of their \emph{used linkable} states are 
  actually linked.
  
  The third linking level is as follows. Every display has a 
  \code{n}-dimensional \code{linkingKey} state. Hence, every data point has 
  an associated linking key. Data points between linked plots are linked if 
  they share the same linking key.
}
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