X955

ISOGONAL CONJUGATE OF X954

< 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) { 278, 354 }: Central Line L(278, 354) { 279, 942 }: Central Line L(279, 942) { 57, 991 }: Central Line L(57, 991) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_954 = INTERSECTION OF LINES X(1)X(6) AND X(3)X(7) (0.5619, 0.2220) X_278 = ISOGONAL CONJUGATE OF X(219) (0.6278, 0.4577) X_354 = WEILL POINT (0.5823, 0.2533) X_279 = ISOGONAL CONJUGATE OF X(220) (0.6236, 0.3540) X_942 = INCIRCLE-INVERSE OF X(36) (0.5878, 0.2633) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_991 = INTERSECTION OF LINES X(1)X(7) AND X(3)X(6) (0.5514, 0.1870) X_955 = ISOGONAL CONJUGATE OF X(954) (0.5804, 0.2446) A B C X954 X278 X354 X279 X942 X57 X991 X955 (a, b, c) = (5, 6, 7) | AB = 1

X955 (ISOGONAL CONJUGATE OF X954) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_955 = ISOGONAL CONJUGATE OF X_954."""

        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_00955(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_955 = ISOGONAL CONJUGATE OF X_954 on reference triangle ABC."""
            X_954 = eval_trilinear_point(model, A, B, C, 'a**(5) + (b + c)*(2*a**(2)*(b**(2) + c**(2) - a**(2) + b*c) - (b - c)**(2)*(2*b*c + a*b + a*c))', ID="X_954", classes=["center"])
            X_955 = isogonal_conjugate(model, A, B, C, X_954, ID="X_955", classes=["selected", "target"])
            X_278 = eval_trilinear_point(model, A, B, C, 'sec(A)*tan(A/2)', ID="X_278", classes=["center", "incident"])
            X_354 = eval_trilinear_point(model, A, B, C, '(b - c)**(2) - a*b - a*c', ID="X_354", classes=["center", "incident"])
            central_line(model, X_278, X_354, 278, 354, incident=True)
            X_279 = eval_trilinear_point(model, A, B, C, 'csc(A)*(tan(A/2))**(2)', ID="X_279", classes=["center", "incident"])
            X_942 = eval_trilinear_point(model, A, B, C, '2*a*b*c + (b + c)*(a - b + c)*(a + b -c)', ID="X_942", classes=["center", "incident"])
            central_line(model, X_279, X_942, 279, 942, incident=True)
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            X_991 = eval_trilinear_point(model, A, B, C, 'a*(a**(3)*(b + c) - a**(2)*(b**(2) - b*c + c**(2)) - a*(b + c)*(b**(2) + c**(2)) + (b - c)*(b**(3) - c**(3)))', ID="X_991", classes=["center", "incident"])
            central_line(model, X_57, X_991, 57, 991, incident=True)
            return promote_point_to_top(model, X_955)


        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_955 on the given reference triangle."""
            model = create_model('X_955 = ISOGONAL CONJUGATE OF X_954')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00955(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-00955.json"))
            write_center_svg(
                model_acute,
                here / "x-00955.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )