"""Programmatic construction for Book IX, Proposition 31 (IX.31)."""
from __future__ import annotations
from geometor.model import Model
def construct_g1() -> Model:
"""Construct the figure 0423.g2 using geometor.model."""
model = Model("IX.31")
# Single-letter horizontal number segments A, B, C, D
A_l = model.set_point(31.0, -19.5, classes=["given"], ID="A")
A_r = model.set_point(98.0, -19.5, ID="A_r")
B_l = model.set_point(33.0, -43.0, classes=["given"], ID="B")
B_r = model.set_point(147.0, -43.0, ID="B_r")
C_l = model.set_point(34.0, -65.5, classes=["given"], ID="C")
C_r = model.set_point(250.0, -65.5, ID="C_r")
D_l = model.set_point(34.0, -87.0, classes=["given"], ID="D")
D_r = model.set_point(60.0, -87.0, ID="D_r")
# Number segments
model.set_segment(A_l, A_r)
model.set_segment(B_l, B_r)
model.set_segment(C_l, C_r)
model.set_segment(D_l, D_r)
return model
if __name__ == "__main__":
construct_g1()
