X2308

X2-ISOCONJUGATE OF X1255

< 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, 31 }: Central Line L(6, 31) { 36, 58 }: Central Line L(36, 58) { 81, 238 }: Central Line L(81, 238) { 44, 756 }: Central Line L(44, 756) { 171, 899 }: Central Line L(171, 899) { 110, 1171 }: Central Line L(110, 1171) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_649 = CROSSDIFFERENCE OF X(1) and X(2) (-21.0000, 14.6969) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_756 = CROSSPOINT OF X(10) AND X(37) (0.5409, 0.1988) X_171 = {X(2), X(31)}-HARMONIC CONJUGATE OF X(238) (0.5819, 0.2525) X_899 = INTERSECTION OF LINES X(1)X(2) AND X(6)X(750) (2.3571, 1.9829) X_1171 = 1st SARAGOSSA POINT OF X(42) (0.6052, 0.2763) X_2308 = -ISOCONJUGATE OF X(1255) (0.6059, 0.2758) A B C X110 X649 X6 X31 X36 X58 X81 X238 X44 X756 X171 X899 X1171 X2308 (a, b, c) = (5, 6, 7) | AB = 1

X2308 (X2-ISOCONJUGATE OF X1255) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2308 = X_2-ISOCONJUGATE OF X_1255."""

        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,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02308(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2308 = X_2-ISOCONJUGATE OF X_1255 on reference triangle ABC."""
            X_1268 = point_from_barycentrics(model, A, B, C, 0.34742328, 0.33294731, 0.31962942, ID="X_1268", classes=["center"])
            X_2308 = isogonal_conjugate(model, A, B, C, X_1268, ID="X_2308", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_6, X_31, 6, 31, incident=True)
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            central_line(model, X_36, X_58, 36, 58, incident=True)
            X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center", "incident"])
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
            central_line(model, X_81, X_238, 81, 238, incident=True)
            return promote_point_to_top(model, X_2308)


        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_2308 on the given reference triangle."""
            model = create_model('X_2308 = X_2-ISOCONJUGATE OF X_1255')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02308(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-02308.json"))
            write_center_svg(
                model_acute,
                here / "x-02308.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )