X1336

ISOGONAL CONJUGATE OF X1335

< 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) { 37, 158 }: Central Line L(37, 158) { 57, 481 }: Central Line L(57, 481) { 2, 585 }: Central Line L(2, 585) { 81, 1124 }: Central Line L(81, 1124) { 274, 1267 }: Central Line L(274, 1267) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1335 = {X(1),X(6)}-HARMONIC CONJUGATE OF X(1124) (0.4024, 0.0326) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_481 = 1st EPPSTEIN POINT (0.6148, 0.3335) X_2 = CENTROID (0.5374, 0.2000) X_585 = 1st CONGRUENT SHRUNK INSQUARES POINT (0.5354, 0.1924) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_1124 = ISOGONAL CONJUGATE OF X(1123) (0.5846, 0.2489) X_274 = ISOGONAL CONJUGATE OF X(213) (0.5168, 0.1843) X_1267 = ISOTOMIC CONJUGATE OF X(1123) (0.5162, 0.1825) X_1336 = ISOGONAL CONJUGATE OF X(1335) (0.6230, 0.5188) A B C X1335 X37 X158 X57 X481 X2 X585 X81 X1124 X274 X1267 X1336 (a, b, c) = (5, 6, 7) | AB = 1

X1336 (ISOGONAL CONJUGATE OF X1335) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1336 = ISOGONAL CONJUGATE OF X_1335."""

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


        def construct_x_01336(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1336 = ISOGONAL CONJUGATE OF X_1335 on reference triangle ABC."""
            X_1335 = eval_trilinear_point(model, A, B, C, '(1 - sin(A))', ID="X_1335", classes=["center"])
            X_1336 = isogonal_conjugate(model, A, B, C, X_1335, ID="X_1336", classes=["selected", "target"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_158 = eval_trilinear_point(model, A, B, C, '(sec(A))**(2)', ID="X_158", classes=["center", "incident"])
            central_line(model, X_37, X_158, 37, 158, incident=True)
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            X_481 = eval_trilinear_point(model, A, B, C, '1 - 2*sec(A/2)*cos(B/2)*cos(C/2)', ID="X_481", classes=["center", "incident"])
            central_line(model, X_57, X_481, 57, 481, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_585 = eval_trilinear_point(model, A, B, C, '((2*area*(1/b + 1/c - 1/a) + b + c - a)/a)', ID="X_585", classes=["center", "incident"])
            central_line(model, X_2, X_585, 2, 585, incident=True)
            return promote_point_to_top(model, X_1336)


        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_1336 on the given reference triangle."""
            model = create_model('X_1336 = ISOGONAL CONJUGATE OF X_1335')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01336(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-01336.json"))
            write_center_svg(
                model_acute,
                here / "x-01336.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )