X2935

TANGENTIAL-ISOGONAL CONJUGATE OF X186

X2935 is the tangential-isogonal conjugate of X186.
< 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) { 1498, 110 }: Central Line L(1498, 110) { 6, 74 }: Central Line L(6, 74) { 3, 113 }: Central Line L(3, 113) { 64, 155 }: Central Line L(64, 155) { 154, 1511 }: Central Line L(154, 1511) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1498 = REFLECTION OF X(64) IN X(3) (0.4421, -1.3902) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_113 = JERABEK ANTIPODE (0.4319, 0.4718) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_155 = EIGENCENTER OF ORTHIC TRIANGLE (1.1658, 0.5033) X_154 = -CEVA CONJUGATE OF X(6) (0.4807, -0.3954) X_1511 = FERMAT CROSSSUM (0.3758, 0.3250) X_2935 = TANGENTIAL-ISOGONAL CONJUGATE OF X(186) (0.0611, 2.4859) A B C X1498 X110 X6 X74 X3 X113 X64 X155 X154 X1511 X2935 (a, b, c) = (5, 6, 7) | AB = 1

X2935 (TANGENTIAL-ISOGONAL CONJUGATE OF X186) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2935 = TANGENTIAL-ISOGONAL CONJUGATE OF X_186."""

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


        def construct_x_02935(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2935 = TANGENTIAL-ISOGONAL CONJUGATE OF X_186 on reference triangle ABC."""
            X_1498 = eval_trilinear_point(model, A, B, C, '(sin(A))*((tan(B))**(2) + (tan(C))**(2) - (tan(A))**(2))', ID="X_1498", classes=["center"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center"])
            X_2935 = reflection_in_point(model, X_1498, X_110, ID="X_2935", classes=["selected", "target"], guide=False)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_74 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*cos(B)*cos(C))', ID="X_74", classes=["center", "incident"])
            central_line(model, X_6, X_74, 6, 74, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_113 = eval_trilinear_point(model, A, B, C, 'sin(B)*sin(C)*((sin(C))/(cos(C) - 2*cos(A)*cos(B)) + (sin(B))/(cos(B) - 2*cos(A)*cos(C)))', ID="X_113", classes=["center", "incident"])
            central_line(model, X_3, X_113, 3, 113, incident=True)
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center", "incident"])
            X_155 = eval_trilinear_point(model, A, B, C, '(cos(A))*((cos(B))**(2) + (cos(C))**(2) - (cos(A))**(2))', ID="X_155", classes=["center", "incident"])
            central_line(model, X_64, X_155, 64, 155, incident=True)
            return promote_point_to_top(model, X_2935)


        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_2935 on the given reference triangle."""
            model = create_model('X_2935 = TANGENTIAL-ISOGONAL CONJUGATE OF X_186')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02935(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-02935.json"))
            write_center_svg(
                model_acute,
                here / "x-02935.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )