X2335

X2-ISOCONJUGATE OF X1451

< 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) { 4, 37 }: Central Line L(4, 37) { 1, 71 }: Central Line L(1, 71) { 21, 219 }: Central Line L(21, 219) { 7, 464 }: Central Line L(7, 464) { 314, 345 }: Central Line L(314, 345) { 6, 943 }: Central Line L(6, 943) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_1 = INCENTER (0.5714, 0.2333) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_7 = GERGONNE POINT (0.5903, 0.2769) X_464 = EULER LINE INTERCEPT OF LINE X(63)X(69) (0.4986, 0.0983) X_314 = ISOTOMIC CONJUGATE OF X(65) (0.4457, 0.1206) X_345 = ISOTOMIC CONJUGATE OF X(278) (0.3405, 0.0381) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_943 = ISOGONAL CONJUGATE OF X(942) (0.5528, 0.2043) X_2335 = -ISOCONJUGATE OF X(1451) (0.5535, 0.2052) A B C X4 X37 X1 X71 X21 X219 X7 X464 X314 X345 X6 X943 X2335 (a, b, c) = (5, 6, 7) | AB = 1

X2335 (X2-ISOCONJUGATE OF X1451) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2335 = X_2-ISOCONJUGATE OF X_1451."""

        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,
            incenter_of,
            intersect_lines,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02335(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2335 = X_2-ISOCONJUGATE OF X_1451 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center"])
            central_line(model, X_4, X_37, 4, 37)
            central_line(model, X_1, X_71, 1, 71)
            X_2335 = intersect_lines(model, X_4, X_37, X_1, X_71, ID="X_2335", classes=["selected", "target"])
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            X_219 = eval_trilinear_point(model, A, B, C, 'cos(A)*cot(A/2)', ID="X_219", classes=["center", "incident"])
            central_line(model, X_21, X_219, 21, 219, incident=True)
            return promote_point_to_top(model, X_2335)


        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_2335 on the given reference triangle."""
            model = create_model('X_2335 = X_2-ISOCONJUGATE OF X_1451')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02335(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-02335.json"))
            write_center_svg(
                model_acute,
                here / "x-02335.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )