X694

ISOGONAL CONJUGATE OF X385

< 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) { 37, 256 }: Central Line L(37, 256) { 110, 251 }: Central Line L(110, 251) { 141, 308 }: Central Line L(141, 308) { 257, 335 }: Central Line L(257, 335) { 111, 805 }: Central Line L(111, 805) { 42, 893 }: Central Line L(42, 893) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_385 = -HIRST INVERSE OF X(6) (2.2863, 2.0795) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_251 = ISOGONAL CONJUGATE OF X(141) (0.6177, 0.3042) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_308 = ISOTOMIC CONJUGATE OF X(39) (0.4915, 0.1700) X_257 = ISOGONAL CONJUGATE OF X(172) (0.5240, 0.1822) X_335 = ISOTOMIC CONJUGATE OF X(239) (1.0387, 0.0318) X_111 = PARRY POINT (0.9885, -0.0457) X_805 = o-(- 2, 2) CIRCUMCIRCLE POINT (0.9729, -0.0897) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_893 = -CROSS CONJUGATE OF X(292) (0.5910, 0.2480) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) A B C X385 X37 X256 X110 X251 X141 X308 X257 X335 X111 X805 X42 X893 X694 (a, b, c) = (5, 6, 7) | AB = 1

X694 (ISOGONAL CONJUGATE OF X385) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_694 = ISOGONAL CONJUGATE OF X_385."""

        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_00694(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_694 = ISOGONAL CONJUGATE OF X_385 on reference triangle ABC."""
            X_385 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) - b**(2)*c**(2))', ID="X_385", classes=["center"])
            X_694 = isogonal_conjugate(model, A, B, C, X_385, ID="X_694", classes=["selected", "target"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_256 = eval_trilinear_point(model, A, B, C, '1/(a**(2) + b*c)', ID="X_256", classes=["center", "incident"])
            central_line(model, X_37, X_256, 37, 256, incident=True)
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_251 = eval_trilinear_point(model, A, B, C, 'a**(2)*csc(A +  omega  )', ID="X_251", classes=["center", "incident"])
            central_line(model, X_110, X_251, 110, 251, incident=True)
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            X_308 = eval_trilinear_point(model, A, B, C, 'b**(3)*c**(3)/(b**(2) + c**(2))', ID="X_308", classes=["center", "incident"])
            central_line(model, X_141, X_308, 141, 308, incident=True)
            return promote_point_to_top(model, X_694)


        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_694 on the given reference triangle."""
            model = create_model('X_694 = ISOGONAL CONJUGATE OF X_385')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00694(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-00694.json"))
            write_center_svg(
                model_acute,
                here / "x-00694.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )