X2360

X2-ISOCONJUGATE OF X1903

< 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, 19 }: Central Line L(1, 19) { 3, 64 }: Central Line L(3, 64) { 21, 84 }: Central Line L(21, 84) { 56, 58 }: Central Line L(56, 58) { 72, 101 }: Central Line L(72, 101) { 102, 110 }: Central Line L(102, 110) 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_19 = CLAWSON POINT (0.6246, 0.4244) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_102 = Λ(INCENTER, ORTHOCENTER) (0.6364, -0.3897) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_2360 = -ISOCONJUGATE OF X(1903) (0.4943, -0.0436) A B C X1 X19 X3 X64 X21 X84 X56 X58 X72 X101 X102 X110 X2360 (a, b, c) = (5, 6, 7) | AB = 1

X2360 (X2-ISOCONJUGATE OF X1903) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2360 = X_2-ISOCONJUGATE OF X_1903."""

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


        def construct_x_02360(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2360 = X_2-ISOCONJUGATE OF X_1903 on reference triangle ABC."""
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center"])
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center"])
            X_2360 = ceva_conjugate(model, A, B, C, X_21, X_58, ID="X_2360", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            central_line(model, X_1, X_19, 1, 19, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center", "incident"])
            central_line(model, X_3, X_64, 3, 64, incident=True)
            X_84 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A) - 1)', ID="X_84", classes=["center", "incident"])
            central_line(model, X_21, X_84, 21, 84, incident=True)
            return promote_point_to_top(model, X_2360)


        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_2360 on the given reference triangle."""
            model = create_model('X_2360 = X_2-ISOCONJUGATE OF X_1903')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02360(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-02360.json"))
            write_center_svg(
                model_acute,
                here / "x-02360.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )