X2354

X2-ISOCONJUGATE OF X1791

< 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) { 4, 9 }: Orthocenter–Spieker Line { 25, 31 }: Central Line L(25, 31) { 28, 238 }: Central Line L(28, 238) { 48, 1064 }: Central Line L(48, 1064) { 6, 1245 }: Central Line L(6, 1245) { 256, 1172 }: Central Line L(256, 1172) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1848 = ZOSMA TRANSFORM OF X(171) (0.6100, 0.3866) X_1193 = 3rd SARAGOSSA POINT OF X(1) (0.5959, 0.2573) X_4 = ORTHOCENTER (0.6122, 0.3958) X_9 = MITTENPUNKT (0.5110, 0.1615) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_1064 = INTERSECTION OF LINES X(1)X(4) AND X(3)X(31) (0.5648, 0.2070) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1245 = ISOGONAL CONJUGATE OF X(1010) (0.5991, 0.2625) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_1172 = 1st SARAGOSSA POINT OF X(48) (0.6100, 0.3717) X_2354 = -ISOCONJUGATE OF X(1791) (0.6324, 0.4423) A B C X1848 X1193 X4 X9 X25 X31 X28 X238 X48 X1064 X6 X1245 X256 X1172 X2354 (a, b, c) = (5, 6, 7) | AB = 1

X2354 (X2-ISOCONJUGATE OF X1791) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2354 = X_2-ISOCONJUGATE OF X_1791."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            mittenpunkt_of,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02354(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2354 = X_2-ISOCONJUGATE OF X_1791 on reference triangle ABC."""
            X_1848 = point_from_barycentrics(model, A, B, C, 0.14011799, 0.21533923, 0.64454277, ID="X_1848", classes=["center"])
            X_1193 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) + a*b + a*c))', ID="X_1193", classes=["center"])
            X_2354 = ceva_conjugate(model, A, B, C, X_1848, X_1193, ID="X_2354", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            central_line(model, X_4, X_9, 4, 9, incident=True)
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_25, X_31, 25, 31, incident=True)
            X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center", "incident"])
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
            central_line(model, X_28, X_238, 28, 238, incident=True)
            return promote_point_to_top(model, X_2354)


        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_2354 on the given reference triangle."""
            model = create_model('X_2354 = X_2-ISOCONJUGATE OF X_1791')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02354(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-02354.json"))
            write_center_svg(
                model_acute,
                here / "x-02354.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )