void fdp_init_node_edge(graph_t * g)
{
attrsym_t *E_len;
node_t *n;
edge_t *e;
int nn = agnnodes(g);
int i;
ndata* alg = N_NEW(nn, ndata);
processClusterEdges(g);
GD_neato_nlist(g) = N_NEW(nn + 1, node_t *);
for (i = 0, n = agfstnode(g); n; n = agnxtnode(g, n)) {
neato_init_node (n);
ND_alg(n) = alg + i;
GD_neato_nlist(g)[i] = n;
ND_id(n) = i++;
}
E_len = agfindattr(g->proto->e, "len");
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
init_edge(e, E_len);
}
}
initialPositions(g);
}
/* init_node_edge:
* initialize node and edge attributes
*/
static void init_node_edge(Agraph_t * g)
{
node_t *n;
edge_t *e;
int nG = agnnodes(g);
attrsym_t *N_pos = agfindattr(g->proto->n, "pos");
attrsym_t *N_pin = agfindattr(g->proto->n, "pin");
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
neato_init_node(n);
user_pos(N_pos, N_pin, n, nG); /* set user position if given */
}
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e))
common_init_edge(e);
}
}
static void circular_init_node_edge(graph_t * g)
{
node_t *n;
edge_t *e;
int i = 0;
ndata* alg = N_NEW(agnnodes(g), ndata);
GD_neato_nlist(g) = N_NEW(agnnodes(g) + 1, node_t *);
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
neato_init_node(n);
ND_alg(n) = alg + i;
GD_neato_nlist(g)[i++] = n;
}
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
circular_init_edge(e);
}
}
}
static void twopi_init_node_edge(graph_t * g)
{
node_t *n;
edge_t *e;
int i = 0;
int n_nodes = agnnodes(g);
rdata* alg;
alg = N_NEW(n_nodes, rdata);
GD_neato_nlist(g) = N_NEW(n_nodes + 1, node_t *);
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
neato_init_node(n);
ND_alg(n) = alg + i;
GD_neato_nlist(g)[i++] = n;
}
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
twopi_init_edge(e);
}
}
}
static void sfdp_init_node_edge(graph_t * g)
{
node_t *n;
edge_t *e;
#if 0
int nnodes = agnnodes(g);
attrsym_t *N_pos = agfindnodeattr(g, "pos");
#endif
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
neato_init_node(n);
#if 0
FIX so that user positions works with multiscale
user_pos(N_pos, NULL, n, nnodes);
#endif
}
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e))
sfdp_init_edge(e);
}
}