R/edges.fromto.R

In MoBPS: Modular Breeding Program Simulator

'#
  Authors
Torsten Pook, torsten.pook@uni-goettingen.de

Copyright (C) 2017 -- 2020  Torsten Pook

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
'#

#' Detection of parental/child nodes
#'
#' Internal function to extract parental/child node of an edge
#' @param edges Edges of the json-file generated via the web-interface
#' @return Matrix of Parent/Child-nodes for the considered edges


edges.fromto<- function(edges){

  edges_fromto <- matrix(0, nrow=length(edges), ncol=2)
  for(index in 1:length(edges)){
    edges_fromto[index,] <- c(edges[[index]]$from, edges[[index]]$to)
  }

  return(edges_fromto)
}