Show Index

This is an util node group.

show_index

from pynodes import *

@tree
def index_to_curve(index: Integer, max_index: Integer, size: Float):

    return index.to_string().to_curve("CENTER", "MIDDLE", size=size).join_to_instances().switch(max_index < index)

@tree
def show_index(geometry: Geometry, size: Float = 1, offset_along_normal: Float = 0.2):

    numbers = []

    max_index = geometry.float_statistic_on_points(geometry.index).max.Integer

    for i in range(10):

        with frame(f"Index {i}"):

            numbers.append(index_to_curve(InputInteger(i), max_index, size))

    numbers = join(numbers)

    with frame("Set position offset"):

        with frame("Sample position"):

            pos = geometry.sample_vector_at_index(geometry.position, geometry.index)

        with frame("Sample normal"):

            normal = geometry.sample_vector_at_index(geometry.normal, geometry.index)

            normal = normal * offset_along_normal

        numbers.set_position(offset=pos + normal)

    return geometry + numbers