X1874

ZOSMA TRANSFORM OF X511

< 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) { 12, 37 }: Central Line L(12, 37) { 29, 34 }: Central Line L(29, 34) { 4, 240 }: Central Line L(4, 240) { 238, 242 }: Central Line L(238, 242) { 862, 1284 }: Central Line L(862, 1284) { 513, 1835 }: Central Line L(513, 1835) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_242 = -LINE CONJUGATE OF X(71) (0.7507, 0.7161) X_1284 = 8th SHARYGIN POINT (0.9846, 0.9156) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_29 = CEVAPOINT OF INCENTER AND ORTHOCENTER (0.5903, 0.3384) X_34 = -BETH CONJUGATE OF X(4) (0.6332, 0.4792) X_4 = ORTHOCENTER (0.6122, 0.3958) X_240 = -LINE CONJUGATE OF X(48) (0.7457, 0.8594) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_862 = INTERCEPT OF EULER LINE AND TRILINEAR POLAR OF X(19) (0.7262, 0.6939) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_1835 = ZOSMA TRANSFORM OF X(30) (0.6564, 0.6795) X_1874 = ZOSMA TRANSFORM OF X(511) (0.6888, 0.6619) A B C X242 X1284 X12 X37 X29 X34 X4 X240 X238 X862 X513 X1835 X1874 (a, b, c) = (5, 6, 7) | AB = 1

X1874 (ZOSMA TRANSFORM OF X511) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1874 = ZOSMA TRANSFORM OF X_511."""

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


        def construct_x_01874(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1874 = ZOSMA TRANSFORM OF X_511 on reference triangle ABC."""
            X_1808 = point_from_barycentrics(model, A, B, C, -0.084715225, 1.0671577, 0.017557534, ID="X_1808", classes=["center"])
            X_1874 = isogonal_conjugate(model, A, B, C, X_1808, ID="X_1874", classes=["selected", "target"])
            X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_12, X_37, 12, 37, incident=True)
            X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
            X_34 = eval_trilinear_point(model, A, B, C, '1 - sec(A)', ID="X_34", classes=["center", "incident"])
            central_line(model, X_29, X_34, 29, 34, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_240 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(A +  omega  )', ID="X_240", classes=["center", "incident"])
            central_line(model, X_4, X_240, 4, 240, incident=True)
            return promote_point_to_top(model, X_1874)


        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_1874 on the given reference triangle."""
            model = create_model('X_1874 = ZOSMA TRANSFORM OF X_511')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01874(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-01874.json"))
            write_center_svg(
                model_acute,
                here / "x-01874.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )