X2273

X2-ISOCONJUGATE OF X977

< 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 { 39, 48 }: Central Line L(39, 48) { 32, 71 }: Central Line L(32, 71) { 172, 579 }: Central Line L(172, 579) { 41, 2092 }: Central Line L(41, 2092) { 42, 2175 }: Central Line L(42, 2175) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_172 = TRILINEAR PRODUCT X(6)*X(171) (0.6080, 0.2866) X_579 = HARMONIC OF X(284) (0.7212, 0.4674) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_2092 = DANNEELS-APOLLONIUS PERSPECTOR (0.5833, 0.2396) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_2175 = -ISOCONJUGATE OF X(85) (0.6102, 0.2574) X_2273 = -ISOCONJUGATE OF X(977) (0.5838, 0.2480) A B C X1 X6 X39 X48 X32 X71 X172 X579 X41 X2092 X42 X2175 X2273 (a, b, c) = (5, 6, 7) | AB = 1

X2273 (X2-ISOCONJUGATE OF X977) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2273 = X_2-ISOCONJUGATE OF X_977."""

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


        def construct_x_02273(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2273 = X_2-ISOCONJUGATE OF X_977 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center"])
            central_line(model, X_1, X_6, 1, 6)
            central_line(model, X_39, X_48, 39, 48)
            X_2273 = intersect_lines(model, X_1, X_6, X_39, X_48, ID="X_2273", classes=["selected", "target"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center", "incident"])
            central_line(model, X_32, X_71, 32, 71, incident=True)
            return promote_point_to_top(model, X_2273)


        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_2273 on the given reference triangle."""
            model = create_model('X_2273 = X_2-ISOCONJUGATE OF X_977')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02273(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-02273.json"))
            write_center_svg(
                model_acute,
                here / "x-02273.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )