X2340

X2-ISOCONJUGATE OF X1462

X2340 = reflection of X1458 in X1818
< 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) { 1458, 1818 }: Central Line L(1458, 1818) { 1, 2 }: Nagel Line { 41, 55 }: Central Line L(41, 55) { 31, 218 }: Central Line L(31, 218) { 6, 480 }: Central Line L(6, 480) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1458 = -BETH CONJUGATE OF X(518) (0.8889, 0.9677) X_1818 = INVERSE MIMOSA TRANSFORM OF X(1282) (-0.1296, -0.2419) X_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_218 = -CEVA CONJUGATE OF X(55) (0.6557, 0.3333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_480 = -CEVA CONJUGATE OF X(220) (0.4089, 0.0793) X_2340 = -ISOCONJUGATE OF X(1462) (-1.1481, -1.4515) A B C X1458 X1818 X1 X2 X41 X55 X31 X218 X6 X480 X2340 (a, b, c) = (5, 6, 7) | AB = 1

X2340 (X2-ISOCONJUGATE OF X1462) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2340 = X_2-ISOCONJUGATE OF X_1462."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            incenter_of,
            point_from_barycentrics,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02340(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2340 = X_2-ISOCONJUGATE OF X_1462 on reference triangle ABC."""
            X_1458 = eval_barycentric_point(model, A, B, C, 'a**(2)*(b**(2) + c**(2) - a*b - a*c)/(a - b - c)', ID="X_1458", classes=["center"])
            X_1818 = point_from_barycentrics(model, A, B, C, 1.2860082, 0.11728395, -0.40329218, ID="X_1818", classes=["center"])
            X_2340 = reflection_in_point(model, X_1458, X_1818, ID="X_2340", classes=["selected", "target"], guide=False)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_1, X_2, 1, 2, incident=True)
            X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            central_line(model, X_41, X_55, 41, 55, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_218 = eval_trilinear_point(model, A, B, C, '((cos(A/2))**(2)*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4)))', ID="X_218", classes=["center", "incident"])
            central_line(model, X_31, X_218, 31, 218, incident=True)
            return promote_point_to_top(model, X_2340)


        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_2340 on the given reference triangle."""
            model = create_model('X_2340 = X_2-ISOCONJUGATE OF X_1462')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02340(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-02340.json"))
            write_center_svg(
                model_acute,
                here / "x-02340.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )