X3807

X2525com[INVERSE(nT(bc, b²))]

< 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) { 100, 190 }: Central Line L(100, 190) { 514, 668 }: Central Line L(514, 668) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_514 = ISOGONAL CONJUGATE OF X(101) (1.0761, -0.0329) X_668 = TRILINEAR POLE OF LINE X(2)X(37) (0.0159, 0.3302) X_3807 = com[INVERSE(nT(bc, b2))] (0.0074, 0.3339) A B C X100 X190 X514 X668 X3807 (a, b, c) = (5, 6, 7) | AB = 1

X3807 (X2525com[INVERSE(nT(bc, b²))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3807 = X_2525com[INVERSE(nT(bc, b²))]."""

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


        def construct_x_03807(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3807 = X_2525com[INVERSE(nT(bc, b²))] on reference triangle ABC."""
            X_3807 = eval_barycentric_point(model, A, B, C, '((a - b)*(a - c)*(b**(2) + c**(2) + b*c))', ID="X_3807", classes=["selected", "target"])
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            central_line(model, X_100, X_190, 100, 190, incident=True)
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            X_668 = eval_trilinear_point(model, A, B, C, '1/(a**(2)*(b - c))', ID="X_668", classes=["center", "incident"])
            central_line(model, X_514, X_668, 514, 668, incident=True)
            return promote_point_to_top(model, X_3807)


        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_3807 on the given reference triangle."""
            model = create_model('X_3807 = X_2525com[INVERSE(nT(bc, b²))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03807(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-03807.json"))
            write_center_svg(
                model_acute,
                here / "x-03807.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )