X2193

X2-ISOCONJUGATE OF X225

< 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) { 3, 6 }: Brocard Axis { 21, 270 }: Central Line L(21, 270) { 48, 255 }: Central Line L(48, 255) { 219, 283 }: Central Line L(219, 283) { 286, 448 }: Central Line L(286, 448) { 71, 906 }: Central Line L(71, 906) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_270 = ISOGONAL CONJUGATE OF X(201) (0.6168, 0.3881) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_255 = ISOGONAL CONJUGATE OF X(158) (0.4217, 0.0365) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_283 = -CROSS CONJUGATE OF X(21) (0.4475, 0.0704) X_286 = -CROSS CONJUGATE OF X(27) (0.6033, 0.3810) X_448 = -HIRST INVERSE OF X(21) (-2.0878, -6.6689) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_906 = INTERSECTION OF LINES X(100)X(112) AND X(101)X(109) (-0.2109, 0.3287) X_2193 = -ISOCONJUGATE OF X(225) (0.5848, 0.1701) A B C X3 X6 X21 X270 X48 X255 X219 X283 X286 X448 X71 X906 X2193 (a, b, c) = (5, 6, 7) | AB = 1

X2193 (X2-ISOCONJUGATE OF X225) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2193 = X_2-ISOCONJUGATE OF X_225."""

        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,
            cevapoint,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02193(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2193 = X_2-ISOCONJUGATE OF X_225 on reference triangle ABC."""
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center"])
            X_577 = eval_trilinear_point(model, A, B, C, 'sin(A)*(cos(A))**(2)', ID="X_577", classes=["center"])
            X_2193 = cevapoint(model, A, B, C, X_48, X_577, ID="X_2193", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            X_270 = eval_trilinear_point(model, A, B, C, '(sec(A))/(1 + cos(B - C))', ID="X_270", classes=["center", "incident"])
            central_line(model, X_21, X_270, 21, 270, incident=True)
            X_255 = eval_trilinear_point(model, A, B, C, '(cos(A))**(2)', ID="X_255", classes=["center", "incident"])
            central_line(model, X_48, X_255, 48, 255, incident=True)
            return promote_point_to_top(model, X_2193)


        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_2193 on the given reference triangle."""
            model = create_model('X_2193 = X_2-ISOCONJUGATE OF X_225')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02193(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-02193.json"))
            write_center_svg(
                model_acute,
                here / "x-02193.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )