X583

ORTHOGONAL OF X500

X583 = inverse-in-Brocard-circle of X584
< 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) { 3, 6 }: Brocard Axis { 37, 38 }: Central Line L(37, 38) { 44, 992 }: Central Line L(44, 992) { 71, 1100 }: Central Line L(71, 1100) { 518, 1009 }: Central Line L(518, 1009) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_992 = INTERSECTION OF LINES X(2)X(6) AND X(9)X(39) (0.2678, -0.0897) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_1100 = COMPLEMENT OF X(319) (0.5787, 0.2419) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_1009 = INTERCEPT OF EULER LINE AND LINE X(1)X(39) (0.5532, 0.2412) X_583 = ORTHOGONAL OF X(500) (0.6638, 0.3726) A B C X3 X6 X37 X38 X44 X992 X71 X1100 X518 X1009 X583 (a, b, c) = (5, 6, 7) | AB = 1

X583 (ORTHOGONAL OF X500) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_583 = ORTHOGONAL OF X_500."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00583(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_583 = ORTHOGONAL OF X_500 on reference triangle ABC."""
            X_583 = eval_trilinear_point(model, A, B, C, '(a*(a**(2)*b + a**(2)*c + 2*a*b*c - b**(3) - c**(3)))', ID="X_583", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            central_line(model, X_37, X_38, 37, 38, incident=True)
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_992 = eval_trilinear_point(model, A, B, C, '(a**(3)*(b + c) + a**(2)*(b**(2) + c**(2)) - a*b*c*(b + c) - b*c*(b + c)**(2))', ID="X_992", classes=["center", "incident"])
            central_line(model, X_44, X_992, 44, 992, incident=True)
            return promote_point_to_top(model, X_583)


        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_583 on the given reference triangle."""
            model = create_model('X_583 = ORTHOGONAL OF X_500')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00583(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-00583.json"))
            write_center_svg(
                model_acute,
                here / "x-00583.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )