X3797

X2com[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) { 2, 37 }: Central Line L(2, 37) { 238, 239 }: Central Line L(238, 239) { 194, 304 }: Central Line L(194, 304) { 190, 742 }: Central Line L(190, 742) { 335, 726 }: Central Line L(335, 726) { 518, 2113 }: Central Line L(518, 2113) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_194 = -CEVA CONJUGATE OF X(2) (0.6989, 0.3222) X_304 = ISOTOMIC CONJUGATE OF X(19) (0.3683, 0.0513) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_742 = EVEN (- 1, 2) INFINITY POINT (0.1179, -0.2104) X_335 = ISOTOMIC CONJUGATE OF X(239) (1.0387, 0.0318) X_726 = EVEN (- 2, -1) INFINITY POINT (1.0187, 0.5358) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_2113 = -ISOCONJUGATE OF X(2112) (-0.3440, 0.6801) X_3797 = com[INVERSE(nT(bc, b2))] (-3.6373, -3.2311) A B C X2 X37 X238 X239 X194 X304 X190 X742 X335 X726 X518 X2113 X3797 (a, b, c) = (5, 6, 7) | AB = 1

X3797 (X2com[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_3797 = X_2com[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,
            centroid_of,
            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_03797(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3797 = X_2com[INVERSE(nT(bc, b²))] on reference triangle ABC."""
            X_3797 = eval_barycentric_point(model, A, B, C, '((a**(2) - b*c)*(b**(2) + c**(2) + b*c))', ID="X_3797", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_2, X_37, 2, 37, incident=True)
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
            X_239 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2) - b*c)', ID="X_239", classes=["center", "incident"])
            central_line(model, X_238, X_239, 238, 239, incident=True)
            X_194 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_194", classes=["center", "incident"])
            X_304 = eval_trilinear_point(model, A, B, C, '(cot(A))*(csc(A))**(2)', ID="X_304", classes=["center", "incident"])
            central_line(model, X_194, X_304, 194, 304, incident=True)
            return promote_point_to_top(model, X_3797)


        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_3797 on the given reference triangle."""
            model = create_model('X_3797 = X_2com[INVERSE(nT(bc, b²))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03797(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-03797.json"))
            write_center_svg(
                model_acute,
                here / "x-03797.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )