X3952

X244com[INVERSE(n(INCENTRAL 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) { 2, 38 }: Central Line L(2, 38) { 8, 80 }: Central Line L(8, 80) { 100, 190 }: Central Line L(100, 190) { 210, 321 }: Central Line L(210, 321) { 110, 645 }: Central Line L(110, 645) { 101, 835 }: Central Line L(101, 835) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3733 = com(TANGENTIAL TRIANGLE) (-8.6667, 7.0763) X_2 = CENTROID (0.5374, 0.2000) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_8 = NAGEL POINT (0.4694, 0.1333) X_80 = REFLECTION OF INCENTER IN FEUERBACH POINT (0.8980, -0.1000) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_645 = BARYCENTRIC MULTIPLIER FOR KIEPERT PARABOLA (-0.0375, 0.2992) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_835 = o-(2, 3) CIRCUMCIRCLE POINT (0.1050, 0.4252) X_3952 = com[INVERSE(n(INCENTRAL TRIANGLE))] (0.0408, 0.3666) A B C X3733 X2 X38 X8 X80 X100 X190 X210 X321 X110 X645 X101 X835 X3952 (a, b, c) = (5, 6, 7) | AB = 1

X3952 (X244com[INVERSE(n(INCENTRAL TRIANGLE))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3952 = X_244com[INVERSE(n(INCENTRAL 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,
            isogonal_conjugate,
            nagel_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03952(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3952 = X_244com[INVERSE(n(INCENTRAL TRIANGLE))] on reference triangle ABC."""
            X_3733 = eval_barycentric_point(model, A, B, C, 'a**(2)*(b - c)/(b + c)', ID="X_3733", classes=["center"])
            X_3952 = isogonal_conjugate(model, A, B, C, X_3733, ID="X_3952", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            central_line(model, X_2, X_38, 2, 38, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_80 = eval_trilinear_point(model, A, B, C, '1/(1 - 2*cos(A))', ID="X_80", classes=["center", "incident"])
            central_line(model, X_8, X_80, 8, 80, incident=True)
            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)
            return promote_point_to_top(model, X_3952)


        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_3952 on the given reference triangle."""
            model = create_model('X_3952 = X_244com[INVERSE(n(INCENTRAL TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03952(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-03952.json"))
            write_center_svg(
                model_acute,
                here / "x-03952.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )