X3968

X549com[INVERSE(n(HEXYL TRIANGLE))]

< 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) { 10, 12 }: Central Line L(10, 12) { 517, 547 }: Central Line L(517, 547) { 2, 2802 }: Central Line L(2, 2802) { 519, 3742 }: Central Line L(519, 3742) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_547 = MIDPOINT OF X(2) AND X(5) (0.5468, 0.2244) X_2 = CENTROID (0.5374, 0.2000) X_2802 = ISOGONAL CONJUGATE OF X(2718) (1.0529, -0.0806) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_3742 = com[n(INCENTRAL)*n(MEDIAL)] (0.5599, 0.2266) X_3968 = com[INVERSE(n(HEXYL TRIANGLE))] (0.5344, 0.2016) A B C X10 X12 X517 X547 X2 X2802 X519 X3742 X3968 (a, b, c) = (5, 6, 7) | AB = 1

X3968 (X549com[INVERSE(n(HEXYL TRIANGLE))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3968 = X_549com[INVERSE(n(HEXYL TRIANGLE))]."""

        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,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03968(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3968 = X_549com[INVERSE(n(HEXYL TRIANGLE))] on reference triangle ABC."""
            X_3968 = eval_barycentric_point(model, A, B, C, 'a*(a**(2)+7*b*c-b**(2)-c**(2)) * (b+c)', ID="X_3968", classes=["selected", "target"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
            central_line(model, X_10, X_12, 10, 12, incident=True)
            X_517 = eval_trilinear_point(model, A, B, C, '-1 + cos(B) + cos(C)', ID="X_517", classes=["center", "incident"])
            X_547 = eval_trilinear_point(model, A, B, C, '5*cos(B - C) + 2*cos(A)', ID="X_547", classes=["center", "incident"])
            central_line(model, X_517, X_547, 517, 547, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_2802 = eval_trilinear_point(model, A, B, C, '(b**(3) + c**(3) - a**(2)*b - a**(2)*c - 2*b**(2)*c - 2*b*c**(2) + 4*a*b*c)', ID="X_2802", classes=["center", "incident"])
            central_line(model, X_2, X_2802, 2, 2802, incident=True)
            return promote_point_to_top(model, X_3968)


        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_3968 on the given reference triangle."""
            model = create_model('X_3968 = X_549com[INVERSE(n(HEXYL TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03968(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-03968.json"))
            write_center_svg(
                model_acute,
                here / "x-03968.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )