X3768

X3250com[T(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) { 44, 513 }: Central Line L(44, 513) { 190, 646 }: Central Line L(190, 646) { 1015, 1960 }: Central Line L(1015, 1960) { 573, 2827 }: Central Line L(573, 2827) { 888, 2667 }: Central Line L(888, 2667) { 292, 3572 }: Central Line L(292, 3572) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_646 = BARYCENTRIC MULTIPLIER FOR YFF PARABOLA (-0.0898, 0.2051) X_1015 = EXSIMILICENTER OF MOSES CIRCLE AND INCIRCLE (0.7982, 0.1348) X_1960 = BICENTRIC SUM OF PU(25) (1.2500, 1.2247) X_573 = ORTHOHARMONIC OF X(58) (0.4486, 0.0172) X_2827 = ISOGONAL CONJUGATE OF X(2743) (0.8180, 0.7154) X_888 = ISOTOMIC CONJUGATE OF X(886) (0.2587, -0.3165) X_2667 = SUM OF PU(85) (0.5803, 0.2413) X_292 = -HIRST INVERSE OF X(291) (1.0127, 0.0417) X_3572 = INTERSECTION OF LINES P(6)U(6) AND P(8)U(8) (0.9934, -0.0218) X_3768 = com[T(bc, b2)] (1.7103, 2.3350) A B C X44 X513 X190 X646 X1015 X1960 X573 X2827 X888 X2667 X292 X3572 X3768 (a, b, c) = (5, 6, 7) | AB = 1

X3768 (X3250com[T(bc, b²)]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3768 = X_3250com[T(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_03768(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3768 = X_3250com[T(bc, b²)] on reference triangle ABC."""
            X_3768 = eval_barycentric_point(model, A, B, C, 'a**(2)*(b - c)*(2*b*c - a*b - a*c)', ID="X_3768", classes=["selected", "target"])
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            central_line(model, X_44, X_513, 44, 513, incident=True)
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            X_646 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(a**(2)*(b - c)))', ID="X_646", classes=["center", "incident"])
            central_line(model, X_190, X_646, 190, 646, incident=True)
            X_1015 = eval_trilinear_point(model, A, B, C, 'a*(b - c)**(2)', ID="X_1015", classes=["center", "incident"])
            X_1960 = eval_trilinear_point(model, A, B, C, 'a*(b - c)*(2*a - b - c)', ID="X_1960", classes=["center", "incident"])
            central_line(model, X_1015, X_1960, 1015, 1960, incident=True)
            return promote_point_to_top(model, X_3768)


        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_3768 on the given reference triangle."""
            model = create_model('X_3768 = X_3250com[T(bc, b²)]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03768(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-03768.json"))
            write_center_svg(
                model_acute,
                here / "x-03768.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )