X341

ISOTOMIC CONJUGATE OF X269

< 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) { 8, 210 }: Central Line L(8, 210) { 40, 190 }: Central Line L(40, 190) { 253, 322 }: Central Line L(253, 322) { 280, 345 }: Central Line L(280, 345) { 304, 668 }: Central Line L(304, 668) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_269 = ISOGONAL CONJUGATE OF X(200) (0.6369, 0.3847) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_8 = NAGEL POINT (0.4694, 0.1333) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_40 = BEVAN POINT (0.4286, -0.0292) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_253 = -CROSS CONJUGATE OF X(2) (3.5087, 32.5688) X_322 = ISOTOMIC CONJUGATE OF X(84) (0.3430, -0.0168) X_280 = -CROSS CONJUGATE OF X(8) (0.6379, 0.8041) X_345 = ISOTOMIC CONJUGATE OF X(278) (0.3405, 0.0381) X_304 = ISOTOMIC CONJUGATE OF X(19) (0.3683, 0.0513) X_668 = TRILINEAR POLE OF LINE X(2)X(37) (0.0159, 0.3302) X_341 = ISOTOMIC CONJUGATE OF X(269) (0.3509, 0.0650) A B C X269 X10 X75 X8 X210 X40 X190 X253 X322 X280 X345 X304 X668 X341 (a, b, c) = (5, 6, 7) | AB = 1

X341 (ISOTOMIC CONJUGATE OF X269) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_341 = ISOTOMIC CONJUGATE OF X_269."""

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


        def construct_x_00341(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_341 = ISOTOMIC CONJUGATE OF X_269 on reference triangle ABC."""
            X_341 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*(b + c - a)**(2)', ID="X_341", 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_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_8, X_210, 8, 210, incident=True)
            X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center", "incident"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            central_line(model, X_40, X_190, 40, 190, incident=True)
            return promote_point_to_top(model, X_341)


        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_341 on the given reference triangle."""
            model = create_model('X_341 = ISOTOMIC CONJUGATE OF X_269')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00341(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-00341.json"))
            write_center_svg(
                model_acute,
                here / "x-00341.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )