X3596

1st ODEHNAL POINT

X3596 = polar conjugate of X608
< 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) { 10, 75 }: Central Line L(10, 75) { 69, 150 }: Central Line L(69, 150) { 8, 314 }: Central Line L(8, 314) { 43, 350 }: Central Line L(43, 350) { 304, 309 }: Central Line L(304, 309) { 281, 345 }: Central Line L(281, 345) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1397 = -BETH CONJUGATE OF X(31) (0.6524, 0.4026) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_150 = REFLECTION OF X(20) IN X(103) (1.1837, -0.4499) X_8 = NAGEL POINT (0.4694, 0.1333) X_314 = ISOTOMIC CONJUGATE OF X(65) (0.4457, 0.1206) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_350 = -HIRST INVERSE OF X(75) (-3.5227, -3.1370) X_304 = ISOTOMIC CONJUGATE OF X(19) (0.3683, 0.0513) X_309 = ISOTOMIC CONJUGATE OF X(40) (0.6237, 0.7391) X_281 = -CROSS CONJUGATE OF X(9) (0.5796, 0.3202) X_345 = ISOTOMIC CONJUGATE OF X(278) (0.3405, 0.0381) X_3596 = 1st ODEHNAL POINT (0.3812, 0.0862) A B C X1397 X10 X75 X69 X150 X8 X314 X43 X350 X304 X309 X281 X345 X3596 (a, b, c) = (5, 6, 7) | AB = 1

X3596 (1st ODEHNAL POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3596 = 1st ODEHNAL POINT."""

        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,
            isogonal_conjugate,
            nagel_point_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03596(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3596 = 1st ODEHNAL POINT on reference triangle ABC."""
            X_1397 = eval_trilinear_point(model, A, B, C, '((sin(A)*sin(A/2))**(2))', ID="X_1397", classes=["center"])
            X_3596 = isogonal_conjugate(model, A, B, C, X_1397, ID="X_3596", classes=["selected", "target"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            central_line(model, X_10, X_75, 10, 75, incident=True)
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            X_150 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(4) + c**(4) - a**(4) + a*(b*c**(2) +c*b**(2) - b**(3) - c**(3)) - b*c*(a**(2) + b**(2) + c**(2)) + (b + c)*a**(3)))', ID="X_150", classes=["center", "incident"])
            central_line(model, X_69, X_150, 69, 150, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_314 = eval_trilinear_point(model, A, B, C, '(b**(2)*c**(2)*(b + c - a)/(b + c))', ID="X_314", classes=["center", "incident"])
            central_line(model, X_8, X_314, 8, 314, incident=True)
            return promote_point_to_top(model, X_3596)


        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_3596 on the given reference triangle."""
            model = create_model('X_3596 = 1st ODEHNAL POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03596(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-03596.json"))
            write_center_svg(
                model_acute,
                here / "x-03596.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )