X276

ISOGONAL CONJUGATE OF X217

< 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) { 3, 95 }: Central Line L(3, 95) { 76, 275 }: Central Line L(76, 275) { 4, 327 }: Central Line L(4, 327) { 54, 290 }: Central Line L(54, 290) { 97, 401 }: Central Line L(97, 401) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_217 = -CEVA CONJUGATE OF X(51) (0.5928, 0.1915) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_95 = CEVAPOINT OF CENTROID AND CIRCUMCENTER (0.5172, 0.1562) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_275 = CEVAPOINT OF ORTHOCENTER AND SYMMEDIAN POINT (0.6057, 0.3473) X_4 = ORTHOCENTER (0.6122, 0.3958) X_327 = ISOTOMIC CONJUGATE OF X(182) (0.5260, 0.2156) X_54 = KOSNITA POINT (0.5880, 0.2176) X_290 = ISOGONAL CONJUGATE OF X(237) (0.7829, -0.1380) X_97 = ISOGONAL CONJUGATE OF X(53) (0.4798, 0.0756) X_401 = BAILEY POINT (-0.0758, -1.4044) X_276 = ISOGONAL CONJUGATE OF X(217) (0.5554, 0.2771) A B C X217 X3 X95 X76 X275 X4 X327 X54 X290 X97 X401 X276 (a, b, c) = (5, 6, 7) | AB = 1

X276 (ISOGONAL CONJUGATE OF X217) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_276 = ISOGONAL CONJUGATE OF X_217."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            isogonal_conjugate,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00276(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_276 = ISOGONAL CONJUGATE OF X_217 on reference triangle ABC."""
            X_217 = eval_trilinear_point(model, A, B, C, '((sin(A))**(3))*cos(A)*cos(B - C)', ID="X_217", classes=["center"])
            X_276 = isogonal_conjugate(model, A, B, C, X_217, ID="X_276", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_95 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*sec(B - C)', ID="X_95", classes=["center", "incident"])
            central_line(model, X_3, X_95, 3, 95, incident=True)
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            X_275 = eval_trilinear_point(model, A, B, C, 'csc(2*A)*sec(B - C)', ID="X_275", classes=["center", "incident"])
            central_line(model, X_76, X_275, 76, 275, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_327 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sec(A -  omega  )', ID="X_327", classes=["center", "incident"])
            central_line(model, X_4, X_327, 4, 327, incident=True)
            return promote_point_to_top(model, X_276)


        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_276 on the given reference triangle."""
            model = create_model('X_276 = ISOGONAL CONJUGATE OF X_217')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00276(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-00276.json"))
            write_center_svg(
                model_acute,
                here / "x-00276.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )