X1821

ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X287

X1821 is the isogonal conjugate of mimosa transform of X287.
< 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) { 31, 92 }: Central Line L(31, 92) { 48, 75 }: Central Line L(48, 75) { 98, 100 }: Central Line L(98, 100) { 71, 190 }: Central Line L(71, 190) { 63, 561 }: Central Line L(63, 561) { 19, 823 }: Central Line L(19, 823) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1755 = MIMOSA TRANSFORM OF X(287) (1.5943, 2.3982) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_92 = CEVAPOINT OF INCENTER AND CLAWSON POINT (0.5949, 0.3639) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_98 = TARRY POINT (0.8891, -0.2281) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_561 = ISOGONAL CONJUGATE OF 4th POWER POINT (0.4126, 0.1125) X_19 = CLAWSON POINT (0.6246, 0.4244) X_823 = ISOGONAL CONJUGATE OF X(822) (0.5623, 0.6035) X_1821 = ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X(287) (0.8340, -0.1768) A B C X1755 X31 X92 X48 X75 X98 X100 X71 X190 X63 X561 X19 X823 X1821 (a, b, c) = (5, 6, 7) | AB = 1

X1821 (ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X287) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1821 = ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X_287."""

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


        def construct_x_01821(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1821 = ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X_287 on reference triangle ABC."""
            X_1755 = eval_trilinear_point(model, A, B, C, 'a*cos(A +  omega  )', ID="X_1755", classes=["center"])
            X_1821 = isogonal_conjugate(model, A, B, C, X_1755, ID="X_1821", classes=["selected", "target"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_92 = eval_trilinear_point(model, A, B, C, 'csc(2*A)', ID="X_92", classes=["center", "incident"])
            central_line(model, X_31, X_92, 31, 92, incident=True)
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", 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_48, X_75, 48, 75, incident=True)
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            central_line(model, X_98, X_100, 98, 100, incident=True)
            return promote_point_to_top(model, X_1821)


        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_1821 on the given reference triangle."""
            model = create_model('X_1821 = ISOGONAL CONJUGATE OF MIMOSA TRANSFORM OF X_287')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01821(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-01821.json"))
            write_center_svg(
                model_acute,
                here / "x-01821.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )