X3448

ISOGONAL CONJUGATE OF X3447

< 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) { 20, 68 }: Central Line L(20, 68) { 4, 94 }: Central Line L(4, 94) { 2, 98 }: Central Line L(2, 98) { 67, 69 }: Central Line L(67, 69) { 66, 193 }: Central Line L(66, 193) { 5, 399 }: Central Line L(5, 399) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3447 = -VERTEX CONJUGATE OF X(523) (-0.1724, -0.4378) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_4 = ORTHOCENTER (0.6122, 0.3958) X_94 = ISOGONAL CONJUGATE OF X(50) (0.9069, -0.1331) X_2 = CENTROID (0.5374, 0.2000) X_98 = TARRY POINT (0.8891, -0.2281) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_193 = -CEVA CONJUGATE OF X(2) (0.7878, 0.4690) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_399 = PARRY REFLECTION POINT (0.0032, 0.9936) X_3448 = ISOGONAL CONJUGATE OF X(3447) (1.1090, -0.4958) A B C X3447 X20 X68 X4 X94 X2 X98 X67 X69 X66 X193 X5 X399 X3448 (a, b, c) = (5, 6, 7) | AB = 1

X3448 (ISOGONAL CONJUGATE OF X3447) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3448 = ISOGONAL CONJUGATE OF X_3447."""

        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_trilinear_point,
            isogonal_conjugate,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03448(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3448 = ISOGONAL CONJUGATE OF X_3447 on reference triangle ABC."""
            X_3447 = point_from_barycentrics(model, A, B, C, 1.4554469, 0.27442248, -0.72986939, ID="X_3447", classes=["center"])
            X_3448 = isogonal_conjugate(model, A, B, C, X_3447, ID="X_3448", classes=["selected", "target"])
            X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
            X_68 = eval_trilinear_point(model, A, B, C, 'cos(A)*sec(2*A)', ID="X_68", classes=["center", "incident"])
            central_line(model, X_20, X_68, 20, 68, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_94 = eval_trilinear_point(model, A, B, C, 'csc(3*A)', ID="X_94", classes=["center", "incident"])
            central_line(model, X_4, X_94, 4, 94, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            central_line(model, X_2, X_98, 2, 98, incident=True)
            return promote_point_to_top(model, X_3448)


        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_3448 on the given reference triangle."""
            model = create_model('X_3448 = ISOGONAL CONJUGATE OF X_3447')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03448(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-03448.json"))
            write_center_svg(
                model_acute,
                here / "x-03448.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )