How could I retrieve total number of connected primitives ..?

[Masoud]

Hello;

I would like to retrieve total number of connected primitives in my geometry, using VEX. I also want to create a group for each connected primitive.

 

Thanks for helping.

[konstantin magnus]

25 minutes ago, Masoud said:

retrieve total number of connected primitives

i@islands = nuniqueval(0, 'prim', 'class');

 

26 minutes ago, Masoud said:

create a group for each connected primitive

int island = prim(0, 'class', @primnum);
string grp_name = 'island_' + itoa(island);
setprimgroup(0, grp_name, @primnum, 1, 'set');

 

group_islands.hiplc

[Masoud]

1 hour ago, konstantin magnus said:

i@islands = nuniqueval(0, 'prim', 'class');

 

int island = prim(0, 'class', @primnum);
string grp_name = 'island_' + itoa(island);
setprimgroup(0, grp_name, @primnum, 1, 'set');

 

group_islands.hiplc

 

Thank you very much...

How could I iterate over connected primitives?

Edited February 23, 2019 by Masoud

[konstantin magnus]

4 hours ago, Masoud said:

How could I iterate over connected primitives?

A combination of findattribvalcount() and findattribval() will get you there:

int vals = nuniqueval(0, 'prim', 'class');

for(int i = 0; i < vals; i++){
    int num = findattribvalcount(0, 'prim', 'class', i);
    for(int j = 0; j < num; j++){
       int pr = findattribval(0, 'prim', 'class', i, j);
       int some_value = i + j;
       setprimattrib(0, 'smth', pr, some_value, 'set');
    } 
}