X3116

ISOGONAL CONJUGATE OF GtX(31)

X3116 is the isogonal conjugate of gtx(31).
< 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) { 31, 48 }: Central Line L(31, 48) { 38, 75 }: Central Line L(38, 75) { 99, 723 }: Central Line L(99, 723) { 1, 1581 }: Central Line L(1, 1581) { 210, 1575 }: Central Line L(210, 1575) { 63, 1740 }: Central Line L(63, 1740) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_2186 = -ISOCONJUGATE OF X(182) (0.6123, 0.3199) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_99 = STEINER POINT (0.1109, 0.4322) X_723 = EVEN (- 3, 3) CIRCUMCIRCLE POINT (1.0071, 0.0449) X_1 = INCENTER (0.5714, 0.2333) X_1581 = ISOGONAL CONJUGATE OF X(1580) (1.0304, 0.0330) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_1575 = EXSIMILICENTER OF SPIEKER AND (1/2)-MOSES CIRCLES (2.5675, 1.8684) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_1740 = MIMOSA TRANSFORM OF X(184) (0.7017, 0.3500) X_3116 = ISOGONAL CONJUGATE OF GtX(31) (0.5881, 0.2260) A B C X75 X2186 X31 X48 X38 X99 X723 X1 X1581 X210 X1575 X63 X1740 X3116 (a, b, c) = (5, 6, 7) | AB = 1

X3116 (ISOGONAL CONJUGATE OF GtX(31)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3116 = ISOGONAL CONJUGATE OF GtX(31)."""

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


        def construct_x_03116(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3116 = ISOGONAL CONJUGATE OF GtX(31) on reference triangle ABC."""
            X_3113 = eval_trilinear_point(model, A, B, C, '(b**(2) - c**(2))/(a**(2)*(b**(6) - c**(6)))', ID="X_3113", classes=["center"])
            X_3116 = isogonal_conjugate(model, A, B, C, X_3113, ID="X_3116", classes=["selected", "target"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            central_line(model, X_31, X_48, 31, 48, incident=True)
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            central_line(model, X_38, X_75, 38, 75, incident=True)
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_723 = eval_trilinear_point(model, A, B, C, '(1/(a **(-4)*(b**(3) + c**(3)) - a**(2)*(b **(-3) + c **(-3))))', ID="X_723", classes=["center", "incident"])
            central_line(model, X_99, X_723, 99, 723, incident=True)
            return promote_point_to_top(model, X_3116)


        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_3116 on the given reference triangle."""
            model = create_model('X_3116 = ISOGONAL CONJUGATE OF GtX(31)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03116(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-03116.json"))
            write_center_svg(
                model_acute,
                here / "x-03116.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )