Groups:
- Check if a group exist : nprimsgroup(surface_node, group_name)
- Select ends points of a curve (less than 2 neighbours points) : neighbourcount(0,@ptnum) < 2
Gradient :
@ptnum/(@numpt-1); fit(@ptnum,0,@numpt,0,1);
Geometry :
- Create a primitive : addprim(0, « polyline »)
Controlled Random Distribution :
float prob = chf("Probability");
float seed = chf("Seed");
@group_id = prob > rand(@primnum*seed);
Neighbours :
polyneighbours:
i[]@primnbrs = polyneighbours(0, @primnum);
pointprims:
int ptprims[] = pointprims(0, @ptnum);
i@group_needsstairs = 0;
if(len(ptprims) >= 2){
foreach(int currentprim; ptprims){
setprimgroup(0, "needsstairs", currentprim, 1, "set");
}
}
