X2435

ISOGONAL CONJUGATE OF X2409

< 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) { 6, 520 }: Central Line L(6, 520) { 4, 525 }: Central Line L(4, 525) { 64, 512 }: Central Line L(64, 512) { 66, 523 }: Central Line L(66, 523) { 248, 684 }: Central Line L(248, 684) { 74, 1297 }: Central Line L(74, 1297) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2409 = GIBERT-SIMSON TRANSFORM OF X(112) (0.6891, 0.5969) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_520 = ISOGONAL CONJUGATE OF X(107) (-0.0490, 0.2227) X_4 = ORTHOCENTER (0.6122, 0.3958) X_525 = ISOGONAL CONJUGATE OF X(112) (-0.0468, 0.2556) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_248 = -LINE CONJUGATE OF X(132) (0.8229, -0.0790) X_684 = CROSSDIFFERENCE OF X(4) AND X(32) (-1.3586, -0.3494) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_1297 = COLLINGS TRANSFORM OF X(127) (0.4838, -0.4080) X_2435 = ISOGONAL CONJUGATE OF X(2409) (2.8968, 0.1781) A B C X2409 X6 X520 X4 X525 X64 X512 X66 X523 X248 X684 X74 X1297 X2435 (a, b, c) = (5, 6, 7) | AB = 1

X2435 (ISOGONAL CONJUGATE OF X2409) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2435 = ISOGONAL CONJUGATE OF X_2409."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            isogonal_conjugate,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02435(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2435 = ISOGONAL CONJUGATE OF X_2409 on reference triangle ABC."""
            X_2409 = point_from_barycentrics(model, A, B, C, -0.074912795, 0.079939185, 0.99497361, ID="X_2409", classes=["center"])
            X_2435 = isogonal_conjugate(model, A, B, C, X_2409, ID="X_2435", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_520 = eval_trilinear_point(model, A, B, C, '(cos(A))*(sin(2*B) - sin(2*C))', ID="X_520", classes=["center", "incident"])
            central_line(model, X_6, X_520, 6, 520, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_525 = eval_trilinear_point(model, A, B, C, '(b*cos(B) - c*cos(C))/a', ID="X_525", classes=["center", "incident"])
            central_line(model, X_4, X_525, 4, 525, incident=True)
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center", "incident"])
            X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            central_line(model, X_64, X_512, 64, 512, incident=True)
            return promote_point_to_top(model, X_2435)


        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_2435 on the given reference triangle."""
            model = create_model('X_2435 = ISOGONAL CONJUGATE OF X_2409')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02435(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-02435.json"))
            write_center_svg(
                model_acute,
                here / "x-02435.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )