// popstr.fe
// evolver string vertex popping test

STRING

vertices
1   0.0 0.0 0.0  fixed
2   1.0 0.0 0.0  fixed
3   1.0 0.0 1.0  fixed
4   0.0 0.0 1.0  fixed
5   0.5 0.0 0.5

edges
1   1  5
2   2  5
3   3  5
4   4  5

read

// Typical evolution
gogo := { o; g 5 }

