X3754

X5com[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) { 1, 88 }: Central Line L(1, 88) { 21, 484 }: Central Line L(21, 484) { 140, 517 }: Central Line L(140, 517) { 46, 993 }: Central Line L(46, 993) { 40, 1006 }: Central Line L(40, 1006) 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_1 = INCENTER (0.5714, 0.2333) X_88 = ISOGONAL CONJUGATE OF X(44) (1.0000, 0.0000) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_484 = 1st EVANS PERSPECTOR (2.0952, 3.0327) X_140 = MIDPOINT OF X(3) AND X(5) (0.5281, 0.1755) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_46 = -CEVA CONJUGATE OF X(1) (0.6917, 0.4543) X_993 = MIDPOINT OF X(1) AND X(63) (0.5140, 0.1578) X_40 = BEVAN POINT (0.4286, -0.0292) X_1006 = INTERCEPT OF EULER LINE AND LINEX(9)X(48) (0.5190, 0.1517) X_3754 = com[INVERSE(n(HEXYL TRIANGLE))] (0.5622, 0.2383) A B C X10 X12 X1 X88 X21 X484 X140 X517 X46 X993 X40 X1006 X3754 (a, b, c) = (5, 6, 7) | AB = 1

X3754 (X5com[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_3754 = X_5com[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,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03754(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3754 = X_5com[INVERSE(n(HEXYL TRIANGLE))] on reference triangle ABC."""
            X_3754 = eval_barycentric_point(model, A, B, C, 'a*(b + c)*(a**(2) - b**(2) - c**(2) + 3*b*c)', ID="X_3754", 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_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_88 = eval_trilinear_point(model, A, B, C, '1/(b + c - 2*a)', ID="X_88", classes=["center", "incident"])
            central_line(model, X_1, X_88, 1, 88, incident=True)
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            X_484 = eval_trilinear_point(model, A, B, C, '1 + 2*(cos(A) - cos(B) - cos(C))', ID="X_484", classes=["center", "incident"])
            central_line(model, X_21, X_484, 21, 484, incident=True)
            return promote_point_to_top(model, X_3754)


        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_3754 on the given reference triangle."""
            model = create_model('X_3754 = X_5com[INVERSE(n(HEXYL TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03754(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-03754.json"))
            write_center_svg(
                model_acute,
                here / "x-03754.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )