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From: | Mathias Spoerr |
Subject: | [igraph] iGraph Layout questions |
Date: | Fri, 14 May 2010 13:35:06 +0200 |
Hello, I currently try to layout and visualize a
telcommunications network with iGraph, but I have problems with the function
settings. I am a beginner in graph layout and would need some help, which
values to use in the functions. i.e. int
igraph_layout_fruchterman_reingold(const igraph_t *graph, igraph_matrix_t *res,
igraph_integer_t niter, igraph_real_t maxdelta,
igraph_real_t area, igraph_real_t coolexp,
igraph_real_t repulserad, igraph_bool_t use_seed,
const igraph_vector_t *weight);
What are the recommended settings? I know
the graph object and how to produce the matrix object, but I am not sure what
to use for the other settings. The same is for "int
igraph_matrix_init(igraph_matrix_t *m, long int nrow, long int ncol);"
-> What shall I use for nrow and ncol? What are the dependences of these
values? It would be great if someone could give me
an example for the usage of the layout algorithms and explain how to use it. Thanks, Mathias |
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