X3410

INTERSECTION OF LINES X2X_98 AND X4X_93

< 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) { 4, 93 }: Central Line L(4, 93) { 2, 98 }: Central Line L(2, 98) { 23, 343 }: Central Line L(23, 343) { 323, 427 }: Central Line L(323, 427) { 5, 1199 }: Central Line L(5, 1199) { 68, 1173 }: Central Line L(68, 1173) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_93 = ISOGONAL CONJUGATE OF X(49) (0.5299, 0.2878) X_2 = CENTROID (0.5374, 0.2000) X_98 = TARRY POINT (0.8891, -0.2281) X_23 = FAR-OUT POINT (1.3871, 2.4232) X_343 = ISOTOMIC CONJUGATE OF X(275) (0.4345, 0.0893) X_323 = ISOTOMIC CONJUGATE OF X(94) (-0.8839, -1.3275) X_427 = COMPLEMENT OF X(22) (0.5990, 0.3610) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_1199 = 3rd SARAGOSSA POINT OF X(54) (0.5984, 0.2504) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_1173 = 1st SARAGOSSA POINT OF X(54) (0.6043, 0.2952) X_3410 = INTERSECTION OF LINES X(2)X(98) AND X(4)X(93) (0.4988, 0.2469) A B C X4 X93 X2 X98 X23 X343 X323 X427 X5 X1199 X68 X1173 X3410 (a, b, c) = (5, 6, 7) | AB = 1

X3410 (INTERSECTION OF LINES X2X_98 AND X4X_93) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3410 = INTERSECTION OF LINES X_2X_98 AND X_4X_93."""

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


        def construct_x_03410(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3410 = INTERSECTION OF LINES X_2X_98 AND X_4X_93 on reference triangle ABC."""
            X_3410 = eval_trilinear_point(model, A, B, C, '(b*c*(a*b*c + 2*(b**(3)*cos(B) + c**(3)*cos(C) - a**(3)*cos(A))))', ID="X_3410", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_93 = eval_trilinear_point(model, A, B, C, 'sec(3*A)', ID="X_93", classes=["center", "incident"])
            central_line(model, X_4, X_93, 4, 93, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            central_line(model, X_2, X_98, 2, 98, incident=True)
            X_23 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_23", classes=["center", "incident"])
            X_343 = eval_trilinear_point(model, A, B, C, 'cot(A)*cos(B - C)', ID="X_343", classes=["center", "incident"])
            central_line(model, X_23, X_343, 23, 343, incident=True)
            return promote_point_to_top(model, X_3410)


        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_3410 on the given reference triangle."""
            model = create_model('X_3410 = INTERSECTION OF LINES X_2X_98 AND X_4X_93')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03410(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-03410.json"))
            write_center_svg(
                model_acute,
                here / "x-03410.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )