X545

DIRECTION OF VECTOR AX + BX + CX, where X = X190

< 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) { 2, 45 }: Central Line L(2, 45) { 30, 511 }: Central Line L(30, 511) { 44, 1266 }: Central Line L(44, 1266) { 321, 1227 }: Central Line L(321, 1227) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_45 = -BETH CONJUGATE OF X(1) (0.5418, 0.1981) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_1266 = ISOTOMIC CONJUGATE OF X(1120) (2.8367, 1.7996) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_1227 = ISOTOMIC CONJUGATE OF X(1168) (0.2551, 0.2499) X_545 = DIRECTION OF VECTOR AX + BX + CX, where X = X(190) (-0.0013, 0.4328) A B C X2 X45 X30 X511 X44 X1266 X321 X1227 X545 (a, b, c) = (5, 6, 7) | AB = 1

X545 (DIRECTION OF VECTOR AX + BX + CX, where X = X190) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_545 = DIRECTION OF VECTOR AX + BX + CX, where X = X_190."""

        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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00545(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_545 = DIRECTION OF VECTOR AX + BX + CX, where X = X_190 on reference triangle ABC."""
            X_545 = eval_barycentric_point(model, A, B, C, '2*a**(2) - b**(2) - c**(2) - 2*a*b - 2*a*c + 4*b*c', ID="X_545", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_45 = eval_trilinear_point(model, A, B, C, '2*b + 2*c - a', ID="X_45", classes=["center", "incident"])
            central_line(model, X_2, X_45, 2, 45, incident=True)
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_30, X_511, 30, 511, incident=True)
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_1266 = point_from_barycentrics(model, A, B, C, -3, 1, 3, ID="X_1266", classes=["center", "incident"])
            central_line(model, X_44, X_1266, 44, 1266, incident=True)
            return promote_point_to_top(model, X_545)


        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_545 on the given reference triangle."""
            model = create_model('X_545 = DIRECTION OF VECTOR AX + BX + CX, where X = X_190')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00545(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-00545.json"))
            write_center_svg(
                model_acute,
                here / "x-00545.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )