X2030

RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE

X2030 = midpoint of X6 and X187
< 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) { 6, 187 }: Brocard Axis { 3, 6 }: Brocard Axis { 230, 542 }: Central Line L(230, 542) { 112, 843 }: Central Line L(112, 843) { 524, 620 }: Central Line L(524, 620) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_542 = DIRECTION OF VECTOR AX + BX + CX, where X = X(98) (0.1649, 0.6534) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_843 = ISOGONAL CONJUGATE OF X(543) (0.1427, 0.4664) X_524 = ISOGONAL CONJUGATE OF X(111) (0.1376, -0.2297) X_620 = MIDPOINT OF X(618) AND X(619) (0.4308, 0.2580) X_2030 = RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE (0.8993, 0.7615) A B C X6 X187 X3 X230 X542 X112 X843 X524 X620 X2030 (a, b, c) = (5, 6, 7) | AB = 1

X2030 (RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2030 = RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE."""

        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_barycentric_point,
            eval_trilinear_point,
            midpoint,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02030(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2030 = RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE on reference triangle ABC."""
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center"])
            X_2030 = midpoint(model, X_6, X_187, ID="X_2030", classes=["selected", "target"], guide=False)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_230 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*(2*a**(2) - b**(2) - c**(2)) + (b**(2) - c**(2))**(2))', ID="X_230", classes=["center", "incident"])
            X_542 = eval_barycentric_point(model, A, B, C, '2*a**(6) - 2*a**(4)*(b**(2) + c**(2)) + a**(2)*(b**(4) + c**(4)) - (b**(2) - c**(2))**(2)*(b**(2) + c**(2))', ID="X_542", classes=["center", "incident"])
            central_line(model, X_230, X_542, 230, 542, incident=True)
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center", "incident"])
            X_843 = point_from_barycentrics(model, A, B, C, 0.55581336, -0.33333326, 0.77751991, ID="X_843", classes=["center", "incident"])
            central_line(model, X_112, X_843, 112, 843, incident=True)
            return promote_point_to_top(model, X_2030)


        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_2030 on the given reference triangle."""
            model = create_model('X_2030 = RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02030(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-02030.json"))
            write_center_svg(
                model_acute,
                here / "x-02030.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )