X2255

X2-ISOCONJUGATE OF X923

< 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, 40 }: Central Line L(6, 40) { 31, 198 }: Central Line L(31, 198) { 208, 608 }: Central Line L(208, 608) { 221, 604 }: Central Line L(221, 604) { 84, 1108 }: Central Line L(84, 1108) { 1191, 1333 }: Central Line L(1191, 1333) 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_40 = BEVAN POINT (0.4286, -0.0292) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_198 = -CEVA CONJUGATE OF X(6) (0.4741, -0.0381) X_208 = -CEVA CONJUGATE OF X(34) (0.6242, -0.2728) X_608 = ISOGONAL CONJUGATE OF X(345) (0.6361, 0.4975) X_221 = -CEVA CONJUGATE OF X(56) (0.5474, -0.0688) X_604 = -CEVA CONJUGATE OF X(31) (0.6442, 0.3744) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_1108 = CROSSPOINT OF X(2) AND X(84) (0.6346, 0.3084) X_1191 = 2nd SARAGOSSA POINT OF X(56) (0.6211, 0.2922) X_1333 = POINT ALULA (0.6308, 0.3181) X_2255 = -ISOCONJUGATE OF X(923) (0.6334, 0.3250) A B C X6 X40 X31 X198 X208 X608 X221 X604 X84 X1108 X1191 X1333 X2255 (a, b, c) = (5, 6, 7) | AB = 1

X2255 (X2-ISOCONJUGATE OF X923) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2255 = X_2-ISOCONJUGATE OF X_923."""

        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,
            intersect_lines,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02255(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2255 = X_2-ISOCONJUGATE OF X_923 on reference triangle ABC."""
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center"])
            X_198 = eval_trilinear_point(model, A, B, C, '(a*(cos(B) + cos(C) - cos(A) - 1))', ID="X_198", classes=["center"])
            central_line(model, X_6, X_40, 6, 40)
            central_line(model, X_31, X_198, 31, 198)
            X_2255 = intersect_lines(model, X_6, X_40, X_31, X_198, ID="X_2255", classes=["selected", "target"])
            X_208 = eval_trilinear_point(model, A, B, C, '((1 - sec(A))*(cos(B) + cos(C) - cos(A) - 1))', ID="X_208", classes=["center", "incident"])
            X_608 = eval_trilinear_point(model, A, B, C, 'a*(1 - sec(A))', ID="X_608", classes=["center", "incident"])
            central_line(model, X_208, X_608, 208, 608, incident=True)
            return promote_point_to_top(model, X_2255)


        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_2255 on the given reference triangle."""
            model = create_model('X_2255 = X_2-ISOCONJUGATE OF X_923')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02255(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-02255.json"))
            write_center_svg(
                model_acute,
                here / "x-02255.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )