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> #  File tests/networkAnimationTest.R in package ndtv, part of the Statnet suite
> #  of packages for network analysis, http://statnet.org .
> #
> #  This software is distributed under the GPL-3 license.  It is free,
> #  open source, and has the attribution requirements (GPL Section 7) at
> #  http://statnet.org/attribution
> #
> #  Copyright 2003-2012 Statnet Commons
> #######################################################################
> #test some auxillury functions for calculating  layouts etc.
> require(ndtv)
Loading required package: ndtv
Loading required package: network

'network' 1.18.2 (2023-12-04), part of the Statnet Project
* 'news(package="network")' for changes since last version
* 'citation("network")' for citation information
* 'https://statnet.org' for help, support, and other information

Loading required package: networkDynamic

'networkDynamic' 0.11.4 (2023-12-10?), part of the Statnet Project
* 'news(package="networkDynamic")' for changes since last version
* 'citation("networkDynamic")' for citation information
* 'https://statnet.org' for help, support, and other information

Loading required package: animation
Loading required package: sna
Loading required package: statnet.common

Attaching package: 'statnet.common'

The following objects are masked from 'package:base':

    attr, order

sna: Tools for Social Network Analysis
Version 2.7-2 created on 2023-12-05.
copyright (c) 2005, Carter T. Butts, University of California-Irvine
 For citation information, type citation("sna").
 Type help(package="sna") to get started.


'ndtv' 0.13.4 (2024-06-30), part of the Statnet Project
* 'news(package="ndtv")' for changes since last version
* 'citation("ndtv")' for citation information
* 'https://statnet.org' for help, support, and other information

> require(testthat)
Loading required package: testthat
> 
> 
> # ----- java tests ----
> 
> # does the check for java crash?
> ndtv:::check.java()
[1] TRUE
> 
> # ----- ffmpeg tests -----
> # does the check for ffmpeg crash?
> try(ndtv:::check.ffmpeg()) # this fails if no ffmpeg, so would stop the test on cran
[1] FALSE
Warning message:
In ndtv:::check.ffmpeg() :
  The ffmpeg video utility does not appear to be installed on the system, or the path is not set correctly. Please run ndtv:::install.ffmpeg() for more information 
> ndtv:::install.ffmpeg()
To export movies, please install ffmpeg for windows from http://ffmpeg.zeranoe.com/builds/
 type ?install.ffmpeg for more detailed instructions
browser launching disabled because R is not in interactive mode
> 
> # ---- layout.distance -----
> mat <-matrix(c(1,2,0,0, 0,0,0,0, 0,3,0,0, 0,0,0,0),ncol=4,byrow=TRUE)
> net <- as.network(mat)
> symat <-as.sociomatrix(layout.distance(net))
> if (!all(symat == matrix(c(0,1,2,2, 1,0,1,2, 2,1,0,2, 2,2,2,0),ncol=4,byrow=TRUE))){
+   stop("layout.distance did not return symetric geodedesic distance matrix as expected")
+ }
> 
> # does default dist work
> symat <-as.sociomatrix(layout.distance(net,default.dist=20))
> if (!all(symat == matrix(c(0,1,2,20, 1,0,1,20, 2,1,0,20, 20,20,20,0),ncol=4,byrow=TRUE))){
+   stop("layout.distance did not return symetric geodedesic distance with default.dist as expected")
+ }
> 
> 
> # test using a function to specifiy a graphic plotting property
> test<-network.initialize(5)
> add.edges.active(test,onset=0,terminus=10,tail=1:4,head=2:5)
> activate.vertices(test,v=5,onset=4,terminus=10)
> activate.vertex.attribute(test,'status',0,onset=0,terminus=10)
> activate.vertex.attribute(test,'status',1,onset=1,terminus=10,v=1)
> activate.vertex.attribute(test,'status',1,onset=2,terminus=10,v=2)
> activate.vertex.attribute(test,'status',1,onset=3,terminus=10,v=3)
> activate.vertex.attribute(test,'status',1,onset=4,terminus=10,v=4)
> compute.animation(test)
No slice.par found, using
slice parameters:
  start:0
  end:10
  interval:1
  aggregate.dur:1
  rule:latest

Calculating layout for network slice from time  0 to 1
Calculating layout for network slice from time  1 to 2
Calculating layout for network slice from time  2 to 3
Calculating layout for network slice from time  3 to 4
Calculating layout for network slice from time  4 to 5
Calculating layout for network slice from time  5 to 6
Calculating layout for network slice from time  6 to 7
Calculating layout for network slice from time  7 to 8
Calculating layout for network slice from time  8 to 9
Calculating layout for network slice from time  9 to 10
Calculating layout for network slice from time  10 to 11
> render.animation(test,vertex.col=function(slice){ifelse(slice%v%'status'==1,'red','blue')})
rendering 10 frames for slice 0
rendering 10 frames for slice 1
rendering 10 frames for slice 2
rendering 10 frames for slice 3
rendering 10 frames for slice 4
rendering 10 frames for slice 5
rendering 10 frames for slice 6
rendering 10 frames for slice 7
rendering 10 frames for slice 8
rendering 10 frames for slice 9
rendering 10 frames for slice 10
> 
> 
> 
> 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   1.96    0.35    2.29