X2227

X2-ISOCONJUGATE OF X699

< 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) { 38, 75 }: Central Line L(38, 75) { 2, 256 }: Central Line L(2, 256) { 44, 513 }: Central Line L(44, 513) { 31, 1582 }: Central Line L(31, 1582) { 662, 1933 }: Central Line L(662, 1933) { 1581, 1959 }: Central Line L(1581, 1959) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_1581 = ISOGONAL CONJUGATE OF X(1580) (1.0304, 0.0330) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_2 = CENTROID (0.5374, 0.2000) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_1582 = POINT CANOPUS (0.5834, 0.2762) X_662 = TRILINEAR POLE OF LINE X(1)X(21) (0.1811, 0.4951) X_1933 = CROSSDIFFERENCE OF PU(14) (0.8524, 0.7964) X_1959 = CROSSDIFFERENCE OF PU(23) (-0.9410, -1.7546) X_2227 = -ISOCONJUGATE OF X(699) (2.8719, 1.7027) A B C X75 X1581 X38 X2 X256 X44 X513 X31 X1582 X662 X1933 X1959 X2227 (a, b, c) = (5, 6, 7) | AB = 1

X2227 (X2-ISOCONJUGATE OF X699) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2227 = X_2-ISOCONJUGATE OF X_699."""

        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,
            crosspoint,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02227(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2227 = X_2-ISOCONJUGATE OF X_699 on reference triangle ABC."""
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center"])
            X_1581 = eval_trilinear_point(model, A, B, C, '1/(a**(4) - b**(2)*c**(2))', ID="X_1581", classes=["center"])
            X_2227 = crosspoint(model, A, B, C, X_75, X_1581, ID="X_2227", classes=["selected", "target"])
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            central_line(model, X_38, X_75, 38, 75, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_256 = eval_trilinear_point(model, A, B, C, '1/(a**(2) + b*c)', ID="X_256", classes=["center", "incident"])
            central_line(model, X_2, X_256, 2, 256, incident=True)
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            central_line(model, X_44, X_513, 44, 513, incident=True)
            return promote_point_to_top(model, X_2227)


        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_2227 on the given reference triangle."""
            model = create_model('X_2227 = X_2-ISOCONJUGATE OF X_699')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02227(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-02227.json"))
            write_center_svg(
                model_acute,
                here / "x-02227.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )