X3118

ISOGONAL CONJUGATE OF GtX(32)

X3118 is the isogonal conjugate of gtx(32).
< 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) { 32, 184 }: Central Line L(32, 184) { 76, 141 }: Central Line L(76, 141) { 83, 694 }: Central Line L(83, 694) { 99, 695 }: Central Line L(99, 695) { 2076, 2916 }: Central Line L(2076, 2916) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3115 = GtX(32) (0.5421, 0.2455) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_99 = STEINER POINT (0.1109, 0.4322) X_695 = ISOGONAL CONJUGATE OF X(384) (0.5903, 0.2249) X_2076 = INVERSE-IN-CIRCUMCIRCLE OF X(39) (1.3982, 1.5854) X_2916 = TANGENTIAL-ISOGONAL CONJUGATE OF X(2) (0.4656, -0.0146) X_3118 = ISOGONAL CONJUGATE OF GtX(32) (0.6022, 0.2198) A B C X3115 X32 X184 X76 X141 X83 X694 X99 X695 X2076 X2916 X3118 (a, b, c) = (5, 6, 7) | AB = 1

X3118 (ISOGONAL CONJUGATE OF GtX(32)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3118 = ISOGONAL CONJUGATE OF GtX(32)."""

        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_03118(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3118 = ISOGONAL CONJUGATE OF GtX(32) on reference triangle ABC."""
            X_3115 = eval_trilinear_point(model, A, B, C, '((b**(2) - c**(2))/(a**(3)*(b**(8) - c**(8))))', ID="X_3115", classes=["center"])
            X_3118 = isogonal_conjugate(model, A, B, C, X_3115, ID="X_3118", classes=["selected", "target"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_32, X_184, 32, 184, incident=True)
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            central_line(model, X_76, X_141, 76, 141, incident=True)
            X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center", "incident"])
            X_694 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) - b**(2)*c**(2))', ID="X_694", classes=["center", "incident"])
            central_line(model, X_83, X_694, 83, 694, incident=True)
            return promote_point_to_top(model, X_3118)


        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_3118 on the given reference triangle."""
            model = create_model('X_3118 = ISOGONAL CONJUGATE OF GtX(32)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03118(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-03118.json"))
            write_center_svg(
                model_acute,
                here / "x-03118.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )