X3637

ISOGONAL CONJUGATE OF X3355

< 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) { 4, 3356 }: Central Line L(4, 3356) { 20, 3355 }: Central Line L(20, 3355) { 1498, 2130 }: Central Line L(1498, 2130) { 1490, 3472 }: Central Line L(1490, 3472) { 3182, 3353 }: Central Line L(3182, 3353) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3355 = REFLECTION OF X(2131) IN X(3) (0.4675, 0.0474) X_4 = ORTHOCENTER (0.6122, 0.3958) X_3356 = -CROSS CONJUGATE OF X(3350) (0.6079, 0.2837) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_1498 = REFLECTION OF X(64) IN X(3) (0.4421, -1.3902) X_2130 = EIGENTRANSFORM OF X(20) (0.6000, 0.3192) X_1490 = ∩X(3)X(9) (0.3929, -0.4775) X_3472 = -CEVA CONJUGATE OF X(3345) (0.5432, 0.1758) X_3182 = -CEVA CONJUGATE OF X(1) (0.5164, 5.7648) X_3353 = -CEVA CONJUGATE OF X(84) (0.6152, 0.5324) X_3637 = ISOGONAL CONJUGATE OF X(3355) (0.6160, 0.4923) A B C X3355 X4 X3356 X20 X1498 X2130 X1490 X3472 X3182 X3353 X3637 (a, b, c) = (5, 6, 7) | AB = 1

X3637 (ISOGONAL CONJUGATE OF X3355) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3637 = ISOGONAL CONJUGATE OF X_3355."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03637(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3637 = ISOGONAL CONJUGATE OF X_3355 on reference triangle ABC."""
            X_3355 = point_from_barycentrics(model, A, B, C, 0.50188901, 0.4191657, 0.078945292, ID="X_3355", classes=["center"])
            X_3637 = isogonal_conjugate(model, A, B, C, X_3355, ID="X_3637", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_3356 = point_from_barycentrics(model, A, B, C, 0.20864715, 0.31834191, 0.47301094, ID="X_3356", classes=["center", "incident"])
            central_line(model, X_4, X_3356, 4, 3356, incident=True)
            X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
            central_line(model, X_20, X_3355, 20, 3355, incident=True)
            X_1498 = eval_trilinear_point(model, A, B, C, '(sin(A))*((tan(B))**(2) + (tan(C))**(2) - (tan(A))**(2))', ID="X_1498", classes=["center", "incident"])
            X_2130 = point_from_barycentrics(model, A, B, C, 0.19373197, 0.27423005, 0.53203798, ID="X_2130", classes=["center", "incident"])
            central_line(model, X_1498, X_2130, 1498, 2130, incident=True)
            return promote_point_to_top(model, X_3637)


        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_3637 on the given reference triangle."""
            model = create_model('X_3637 = ISOGONAL CONJUGATE OF X_3355')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03637(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-03637.json"))
            write_center_svg(
                model_acute,
                here / "x-03637.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )