X675

TRILINEAR POLE OF LINE X6X_514

X675 = inverse-in-orthoptic-circle-of-Steiner-inellipse of X116
< 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, 101 }: Central Line L(2, 101) { 7, 109 }: Central Line L(7, 109) { 27, 112 }: Central Line L(27, 112) { 75, 100 }: Central Line L(75, 100) { 86, 110 }: Central Line L(86, 110) { 108, 273 }: Central Line L(108, 273) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_674 = CROSSDIFFERENCE OF X(6) AND X(514) (0.2078, -0.2856) X_2 = CENTROID (0.5374, 0.2000) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_7 = GERGONNE POINT (0.5903, 0.2769) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_27 = CEVAPOINT OF ORTHOCENTER AND CLAWSON CENTER (0.6182, 0.4112) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_273 = ISOGONAL CONJUGATE OF X(212) (0.6191, 0.4329) X_675 = TRILINEAR POLE OF LINE X(6)X(514) (0.9212, -0.1860) A B C X674 X2 X101 X7 X109 X27 X112 X75 X100 X86 X110 X108 X273 X675 (a, b, c) = (5, 6, 7) | AB = 1

X675 (TRILINEAR POLE OF LINE X6X_514) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_675 = TRILINEAR POLE OF LINE X_6X_514."""

        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_trilinear_point,
            gergonne_point_of,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00675(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_675 = TRILINEAR POLE OF LINE X_6X_514 on reference triangle ABC."""
            X_674 = eval_trilinear_point(model, A, B, C, '(a*(b**(3) + c**(3) - a*(b**(2) + c**(2))))', ID="X_674", classes=["center"])
            X_675 = isogonal_conjugate(model, A, B, C, X_674, ID="X_675", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            central_line(model, X_2, X_101, 2, 101, incident=True)
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
            central_line(model, X_7, X_109, 7, 109, incident=True)
            X_27 = eval_trilinear_point(model, A, B, C, '(sec(A))/(b + c)', ID="X_27", classes=["center", "incident"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center", "incident"])
            central_line(model, X_27, X_112, 27, 112, incident=True)
            return promote_point_to_top(model, X_675)


        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_675 on the given reference triangle."""
            model = create_model('X_675 = TRILINEAR POLE OF LINE X_6X_514')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00675(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-00675.json"))
            write_center_svg(
                model_acute,
                here / "x-00675.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )