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Name	Size	Permission	Date
addedges	291 B	-rw-r--r--	2024-04-06 12:47
addranks	830 B	-rw-r--r--	2024-04-06 12:47
addrings	1.29 KB	-rw-r--r--	2024-04-06 12:47
anon	422 B	-rw-r--r--	2024-04-06 12:47
attr	151 B	-rw-r--r--	2024-04-06 12:47
bb	997 B	-rw-r--r--	2024-04-06 12:47
bbox	532 B	-rw-r--r--	2024-04-06 12:47
binduce	1.14 KB	-rw-r--r--	2024-04-06 12:47
bipart	455 B	-rw-r--r--	2024-04-06 12:47
chkclusters	532 B	-rw-r--r--	2024-04-06 12:47
chkedges	916 B	-rw-r--r--	2024-04-06 12:47
cliptree	178 B	-rw-r--r--	2024-04-06 12:47
col	601 B	-rw-r--r--	2024-04-06 12:47
collapse	469 B	-rw-r--r--	2024-04-06 12:47
color	1.41 KB	-rw-r--r--	2024-04-06 12:47
cycle	560 B	-rw-r--r--	2024-04-06 12:47
dechain	264 B	-rw-r--r--	2024-04-06 12:47
deghist	351 B	-rw-r--r--	2024-04-06 12:47
deledges	116 B	-rw-r--r--	2024-04-06 12:47
delmulti	397 B	-rw-r--r--	2024-04-06 12:47
delnodes	249 B	-rw-r--r--	2024-04-06 12:47
depath	547 B	-rw-r--r--	2024-04-06 12:47
dijkstra	647 B	-rw-r--r--	2024-04-06 12:47
flatten	88 B	-rw-r--r--	2024-04-06 12:47
get-layers-list	277 B	-rw-r--r--	2024-04-06 12:47
group	791 B	-rw-r--r--	2024-04-06 12:47
histogram	319 B	-rw-r--r--	2024-04-06 12:47
indent	378 B	-rw-r--r--	2024-04-06 12:47
knbhd	1.2 KB	-rw-r--r--	2024-04-06 12:47
maxdeg	307 B	-rw-r--r--	2024-04-06 12:47
path	449 B	-rw-r--r--	2024-04-06 12:47
rotate	1.17 KB	-rw-r--r--	2024-04-06 12:47
scale	1.12 KB	-rw-r--r--	2024-04-06 12:47
scalexy	1.1 KB	-rw-r--r--	2024-04-06 12:47
span	139 B	-rw-r--r--	2024-04-06 12:47
topon	429 B	-rw-r--r--	2024-04-06 12:47
treetoclust	988 B	-rw-r--r--	2024-04-06 12:47

Rename

/* Given node name and angle, rotate a layout using the given
 * node as origin.
 */

BEGIN {
  double x,y;
  double x0,y0;
  double x1,y1;
  double angle, cosa, sina;
  int cnt, sz;

void rotate (double a, double b) {
    a -= x0;
    b -= y0;
    x1 = a*cosa - b*sina;
    y1 = a*sina + b*cosa;
  }
  char* rotateE (char* p) {
    char* newpos = "";
    cnt = sscanf (p, "e,%lf,%lf%n", &x, &y, &sz);
    if (cnt == 2) {
      rotate (x,y);
      newpos = newpos + sprintf ("e%lf,%lf ", x1, y1);
      p = substr(p, sz);
    }
    cnt = sscanf (p, "s,%lf,%lf%n", &x, &y, &sz);
    if (cnt == 2) {
      rotate (x,y);
      newpos = newpos + sprintf ("s%lf,%lf ", x1, y1);
      p = substr(p, sz);
    }

while (sscanf (p, "%lf,%lf%n", &x, &y, &sz) == 2) {
      rotate (x,y);
      newpos = newpos + sprintf ("%lf,%lf ", x1, y1);
      p = substr(p, sz);
    }

return newpos;
  }
}

BEG_G {
  node_t ctr = node ($, ARGV[0]);

sscanf (ARGV[1], "%f", &angle);
  cosa = cos(angle);
  sina = sin(angle);

sscanf (ctr.pos, "%f,%f", &x0, &y0);
  $.bb ="";
}
N {
  sscanf ($.pos, "%f,%f", &x, &y);
  rotate (x,y);
  $.pos = sprintf ("%f,%f", x1, y1);
}
E {
  $.pos = rotateE($.pos);
}