X3942

X2310com[INVERSE(n(INTANGENTS 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) { 48, 77 }: Central Line L(48, 77) { 19, 269 }: Central Line L(19, 269) { 69, 337 }: Central Line L(69, 337) { 244, 659 }: Central Line L(244, 659) { 57, 909 }: Central Line L(57, 909) { 63, 1332 }: Central Line L(63, 1332) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_77 = ISOGONAL CONJUGATE OF X(33) (0.5270, 0.1305) X_19 = CLAWSON POINT (0.6246, 0.4244) X_269 = ISOGONAL CONJUGATE OF X(200) (0.6369, 0.3847) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_337 = ISOTOMIC CONJUGATE OF X(242) (1.0936, 0.0108) X_244 = -LINE CONJUGATE OF X(100) (0.7857, 0.1166) X_659 = CROSSDIFFERENCE OF X(1) AND X(39) (1.9286, 2.2162) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_909 = POINT ADHAFERA (0.9286, -0.3499) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_1332 = ORTHOCORRESPONDENT OF X(100) (-0.2317, 0.1866) X_3942 = com[INVERSE(n(INTANGENTS TRIANGLE))] (0.7434, 0.0389) A B C X48 X77 X19 X269 X69 X337 X244 X659 X57 X909 X63 X1332 X3942 (a, b, c) = (5, 6, 7) | AB = 1

X3942 (X2310com[INVERSE(n(INTANGENTS TRIANGLE))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3942 = X_2310com[INVERSE(n(INTANGENTS 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,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03942(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3942 = X_2310com[INVERSE(n(INTANGENTS TRIANGLE))] on reference triangle ABC."""
            X_3942 = eval_barycentric_point(model, A, B, C, '(a*(b - c)**(2)*(b**(2) + c**(2) - a**(2)))', ID="X_3942", classes=["selected", "target"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center", "incident"])
            central_line(model, X_48, X_77, 48, 77, incident=True)
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            X_269 = eval_trilinear_point(model, A, B, C, '(tan(A/2))**(2)', ID="X_269", classes=["center", "incident"])
            central_line(model, X_19, X_269, 19, 269, incident=True)
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            X_337 = eval_trilinear_point(model, A, B, C, '(csc(A)*cot(A))/(a**(2) - b*c)', ID="X_337", classes=["center", "incident"])
            central_line(model, X_69, X_337, 69, 337, incident=True)
            return promote_point_to_top(model, X_3942)


        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_3942 on the given reference triangle."""
            model = create_model('X_3942 = X_2310com[INVERSE(n(INTANGENTS TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03942(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-03942.json"))
            write_center_svg(
                model_acute,
                here / "x-03942.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )