X1124

ISOGONAL CONJUGATE OF X1123

< 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) { 1, 6 }: Incenter–Symmedian Line { 55, 372 }: Central Line L(55, 372) { 56, 371 }: Central Line L(56, 371) { 11, 485 }: Central Line L(11, 485) { 12, 486 }: Central Line L(12, 486) { 42, 494 }: Central Line L(42, 494) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1123 = PAASCHE POINT (0.5572, 0.2178) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_372 = {X(3),X(6)}-HARMONIC CONJUGATE OF X(371) (0.7148, 0.4568) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_371 = KENMOTU POINT (CONGRUENT SQUARES POINT) (0.5652, 0.2097) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_485 = VECTEN POINT (0.5773, 0.2578) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_486 = INNER VECTEN POINT (-0.0810, -0.0170) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_494 = 2nd VAN LAMOEN HOMOTHETIC CENTER (0.8529, 0.5391) X_1124 = ISOGONAL CONJUGATE OF X(1123) (0.5846, 0.2489) A B C X1123 X1 X6 X55 X372 X56 X371 X11 X485 X12 X486 X42 X494 X1124 (a, b, c) = (5, 6, 7) | AB = 1

X1124 (ISOGONAL CONJUGATE OF X1123) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1124 = ISOGONAL CONJUGATE OF X_1123."""

        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,
            incenter_of,
            isogonal_conjugate,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01124(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1124 = ISOGONAL CONJUGATE OF X_1123 on reference triangle ABC."""
            X_1123 = eval_trilinear_point(model, A, B, C, '1/(1 +sin(A))', ID="X_1123", classes=["center"])
            X_1124 = isogonal_conjugate(model, A, B, C, X_1123, ID="X_1124", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_1, X_6, 1, 6, incident=True)
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            X_372 = eval_trilinear_point(model, A, B, C, 'cos(A +  pi  /4)', ID="X_372", classes=["center", "incident"])
            central_line(model, X_55, X_372, 55, 372, incident=True)
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_371 = eval_trilinear_point(model, A, B, C, 'cos(A -  pi  /4)', ID="X_371", classes=["center", "incident"])
            central_line(model, X_56, X_371, 56, 371, incident=True)
            return promote_point_to_top(model, X_1124)


        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_1124 on the given reference triangle."""
            model = create_model('X_1124 = ISOGONAL CONJUGATE OF X_1123')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01124(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-01124.json"))
            write_center_svg(
                model_acute,
                here / "x-01124.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )