Nothing
################################################################################
# Demo of gexf function - Dynamic network with:
# nodes and edges attributes,
# and attributes for visualizations,
# images instead of standard nodes,
# shapes of nodes and,
# color attributes for nodes and edges
# Author: Jorge Fabrega
################################################################################
pause <- function() {
invisible(readline("\nPress <return> to continue: "))
}
## Demos for rgexf - Nodes and edges with attributes.
## 1. A matrix of nodes
## 2. A matrix of edges
## 3. A matrix of nodes attributes
## 4. A matrix of edges attributes
## 5. A matrix indicating the active period of each node
## 6. A matrix indicating the active period of each edge
pause()
# Defining a matrix of nodes
pause()
people <- matrix(c(1:4, 'juan', 'pedro', 'matthew', 'carlos'),ncol=2)
people
# Defining a matrix of edges
pause()
relations <- matrix(c(1,4,1,2,1,3,2,3,3,4,4,2,2,4,4,1,4,1), ncol=2, byrow=T)
relations
# Defining two dataframes with attributes for nodes and edges, respectively.
pause()
node.att <- data.frame(attributes=c(letters[1:3],"a word"), numbers=1:4, stringsAsFactors=F)
node.att
edge.att <- data.frame(attributes=letters[1:9], numbers=1:9, stringsAsFactors=F)
edge.att
# Defining a matrix of dynamics (start, end) for nodes and edges
pause()
time.nodes<-matrix(c(10.0,13.0,2.0,2.0,12.0,rep(NA,3)), nrow=4, ncol=2)
time.edges<-matrix(c(10.0,13.0,2.0,2.0,12.0,1,5,rep(NA,5),rep(c(0,1),3)), ncol=2)
# In this example, the active period of each node is:
pause()
time.nodes
# And for the edges are:
time.edges
# Images instead of stardard nodes
pause()
imagee <- data.frame(image=rbind(
"Yellow_solid_sphere.png",
"Yellow_solid_sphere.png",
"Yellow_solid_sphere.png",
"Yellow_solid_sphere.png"), stringsAsFactors=F)
# Shapes
shapes<-c("rectangle", "square", "triangle", "diamond")
# position
pos<-matrix(1:12,nrow=4)
#colors
color<-cbind(t(col2rgb(1:4)), 1)
#Edges thickness
thick<-1:9
################################################################################
# Dynamic network with nodes and edges attributes
# you create a .gexf archive by adding the expression:
#
# ,output="yourgraph.gexf"
#
# before the last closing
# parenthesis in the following function
pause()
gexf(nodes=people, edgesWeight=thick, edges=relations,
edgeDynamic=time.edges, edgesAtt=edge.att, nodeDynamic=time.nodes,
nodesAtt=node.att,
nodesVizAtt = list(
shape=shapes,
position=pos,
image=imagee,
color=color)
)
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