in core/src/main/resources/org/apache/karaf/webconsole/core/behavior/dracula/dracula_graph.js [453:471]
layoutCalcBounds: function() {
var minx = Infinity, maxx = -Infinity, miny = Infinity, maxy = -Infinity;
for (i in this.graph.nodes) {
var x = this.graph.nodes[i].layoutPosX;
var y = this.graph.nodes[i].layoutPosY;
if(x > maxx) maxx = x;
if(x < minx) minx = x;
if(y > maxy) maxy = y;
if(y < miny) miny = y;
}
this.graph.layoutMinX = minx;
this.graph.layoutMaxX = maxx;
this.graph.layoutMinY = miny;
this.graph.layoutMaxY = maxy;
}