G.382 magnitudes proportional commensurable — Code

X.11

If four magnitudes be proportional, and the first be commensurable with the second, the third is commensurable with the fourth; and, if the first be incommensurable with the second, the third is incommensurable with the fourth.
A B C D
"""Programmatic construction for Book X, Proposition 11 (X.11)."""

        from __future__ import annotations

        from geometor.model import Model


        def construct_g1() -> Model:
            """Construct the figure 0037.g1 using geometor.model."""
            model = Model("X.11")

            # Four proportional magnitude segments A, B, C, D
            A_l = model.set_point(29.0, -18.5, classes=["given"], ID="A")
            A_r = model.set_point(158.0, -18.5, ID="A_r")

            B_l = model.set_point(203.0, -19.5, classes=["given"], ID="B")
            B_r = model.set_point(274.0, -19.5, ID="B_r")

            C_l = model.set_point(33.0, -38.5, classes=["given"], ID="C")
            C_r = model.set_point(129.0, -38.5, ID="C_r")

            D_l = model.set_point(208.0, -39.5, classes=["given"], ID="D")
            D_r = model.set_point(258.0, -39.5, ID="D_r")

            # Base lines
            model.construct_line(A_l, A_r)
            model.construct_line(B_l, B_r)
            model.construct_line(C_l, C_r)
            model.construct_line(D_l, D_r)

            # Magnitude 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()