X2933

TANGENTIAL-ISOGONAL CONJUGATE OF X56

X2933 is the tangential-isogonal conjugate of X56.
< 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, 10 }: Central Line L(3, 10) { 45, 198 }: Central Line L(45, 198) { 22, 1603 }: Central Line L(22, 1603) { 100, 1610 }: Central Line L(100, 1610) { 157, 1631 }: Central Line L(157, 1631) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_45 = -BETH CONJUGATE OF X(1) (0.5418, 0.1981) X_198 = -CEVA CONJUGATE OF X(6) (0.4741, -0.0381) X_22 = EXETER POINT (0.4143, -0.1221) X_1603 = TCC-PERSPECTOR OF X(8) (0.3539, -0.8165) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_1610 = TCC-PERSPECTOR OF X(21) (0.4119, -0.3400) X_157 = -OF-TANGENTIAL-TRIANGLE (0.5266, 0.3812) X_1631 = TCC-PERSPECTOR OF X(366) (0.4546, -0.0030) X_2933 = TANGENTIAL-ISOGONAL CONJUGATE OF X(56) (0.3988, -0.3008) A B C X56 X3 X10 X45 X198 X22 X1603 X100 X1610 X157 X1631 X2933 (a, b, c) = (5, 6, 7) | AB = 1

X2933 (TANGENTIAL-ISOGONAL CONJUGATE OF X56) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2933 = TANGENTIAL-ISOGONAL CONJUGATE OF X_56."""

        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,
            ceva_conjugate,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            point_from_barycentrics,
            promote_point_to_top,
            spieker_center_of,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02933(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2933 = TANGENTIAL-ISOGONAL CONJUGATE OF X_56 on reference triangle ABC."""
            X_312 = eval_trilinear_point(model, A, B, C, '(b + c - a)*b**(2)*c**(2)', ID="X_312", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_2933 = ceva_conjugate(model, A, B, C, X_312, X_6, ID="X_2933", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            central_line(model, X_3, X_10, 3, 10, incident=True)
            X_45 = eval_trilinear_point(model, A, B, C, '2*b + 2*c - a', ID="X_45", classes=["center", "incident"])
            X_198 = eval_trilinear_point(model, A, B, C, '(a*(cos(B) + cos(C) - cos(A) - 1))', ID="X_198", classes=["center", "incident"])
            central_line(model, X_45, X_198, 45, 198, incident=True)
            X_22 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4))', ID="X_22", classes=["center", "incident"])
            X_1603 = point_from_barycentrics(model, A, B, C, 1.1738452, 1.1872659, -1.3611111, ID="X_1603", classes=["center", "incident"])
            central_line(model, X_22, X_1603, 22, 1603, incident=True)
            return promote_point_to_top(model, X_2933)


        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_2933 on the given reference triangle."""
            model = create_model('X_2933 = TANGENTIAL-ISOGONAL CONJUGATE OF X_56')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02933(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-02933.json"))
            write_center_svg(
                model_acute,
                here / "x-02933.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )