X599

ISOTOMIC CONJUGATE OF X598

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 69 }: Centroid–Symmedian Line { 2, 6 }: Centroid–Symmedian Line { 3, 67 }: Central Line L(3, 67) { 76, 338 }: Central Line L(76, 338) { 7, 594 }: Central Line L(7, 594) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_338 = CEVAPOINT OF X(115) AND X(125) (0.6941, 0.0587) X_7 = GERGONNE POINT (0.5903, 0.2769) X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672) X_599 = ISOTOMIC CONJUGATE OF X(598) (0.4748, 0.1327) A B C X2 X69 X6 X3 X67 X76 X338 X7 X594 X599 (a, b, c) = (5, 6, 7) | AB = 1

X599 (ISOTOMIC CONJUGATE OF X598) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_599 = ISOTOMIC CONJUGATE OF X_598."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            centroid_of,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            midpoint,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00599(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_599 = ISOTOMIC CONJUGATE OF X_598 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center"])
            X_599 = midpoint(model, X_2, X_69, ID="X_599", classes=["selected", "target"], guide=False)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_2, X_6, 2, 6, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_67 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_67", classes=["center", "incident"])
            central_line(model, X_3, X_67, 3, 67, incident=True)
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            X_338 = eval_trilinear_point(model, A, B, C, '(b**(2) - c**(2))**(2)/a**(3)', ID="X_338", classes=["center", "incident"])
            central_line(model, X_76, X_338, 76, 338, incident=True)
            return promote_point_to_top(model, X_599)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_599 on the given reference triangle."""
            model = create_model('X_599 = ISOTOMIC CONJUGATE OF X_598')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00599(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-00599.json"))
            write_center_svg(
                model_acute,
                here / "x-00599.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )