X2223

X2-ISOCONJUGATE OF X673

< 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, 3 }: OI Line (Incenter–Circumcenter Line) { 31, 32 }: Central Line L(31, 32) { 39, 42 }: Central Line L(39, 42) { 100, 239 }: Central Line L(100, 239) { 187, 237 }: Central Line L(187, 237) { 10, 1009 }: Central Line L(10, 1009) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2481 = INTERSECTION(FEUERBACH HYPERBOLA, STEINER CIRCUMELLIPSE) (0.9225, -0.0635) X_1 = INCENTER (0.5714, 0.2333) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_237 = -LINE CONJUGATE OF X(2) (0.9894, 1.3825) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_1009 = INTERCEPT OF EULER LINE AND LINE X(1)X(39) (0.5532, 0.2412) X_2223 = -ISOCONJUGATE OF X(673) (1.1455, 1.2880) A B C X2481 X1 X3 X31 X32 X39 X42 X100 X239 X187 X237 X10 X1009 X2223 (a, b, c) = (5, 6, 7) | AB = 1

X2223 (X2-ISOCONJUGATE OF X673) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2223 = X_2-ISOCONJUGATE OF X_673."""

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


        def construct_x_02223(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2223 = X_2-ISOCONJUGATE OF X_673 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center"])
            central_line(model, X_1, X_3, 1, 3)
            central_line(model, X_31, X_32, 31, 32)
            X_2223 = intersect_lines(model, X_1, X_3, X_31, X_32, ID="X_2223", classes=["selected", "target"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            central_line(model, X_39, X_42, 39, 42, incident=True)
            return promote_point_to_top(model, X_2223)


        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_2223 on the given reference triangle."""
            model = create_model('X_2223 = X_2-ISOCONJUGATE OF X_673')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02223(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-02223.json"))
            write_center_svg(
                model_acute,
                here / "x-02223.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )