X603

X58-CEVA CONJUGATE OF X56

< 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) { 28, 34 }: Central Line L(28, 34) { 3, 73 }: Central Line L(3, 73) { 36, 47 }: Central Line L(36, 47) { 31, 56 }: Central Line L(31, 56) { 1, 104 }: Central Line L(1, 104) { 33, 84 }: Central Line L(33, 84) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_34 = -BETH CONJUGATE OF X(4) (0.6332, 0.4792) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_73 = CROSSPOINT OF INCENTER AND CIRCUMCENTER (0.5487, 0.1428) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_47 = -BETH CONJUGATE OF X(34) (0.7279, 0.4389) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_1 = INCENTER (0.5714, 0.2333) X_104 = ANTIPODE OF X(100) (0.8571, -0.2624) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_603 = -CEVA CONJUGATE OF X(56) (0.5992, 0.1851) A B C X58 X56 X28 X34 X3 X73 X36 X47 X31 X1 X104 X33 X84 X603 (a, b, c) = (5, 6, 7) | AB = 1

X603 (X58-CEVA CONJUGATE OF X56) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_603 = X_58-CEVA CONJUGATE OF X_56."""

        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,
            circumcenter_of,
            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_00603(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_603 = X_58-CEVA CONJUGATE OF X_56 on reference triangle ABC."""
            X_318 = eval_trilinear_point(model, A, B, C, '(1 + sec(A))/a**(2)', ID="X_318", classes=["center"])
            X_603 = isogonal_conjugate(model, A, B, C, X_318, ID="X_603", classes=["selected", "target"])
            X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center", "incident"])
            X_34 = eval_trilinear_point(model, A, B, C, '1 - sec(A)', ID="X_34", classes=["center", "incident"])
            central_line(model, X_28, X_34, 28, 34, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_73 = eval_trilinear_point(model, A, B, C, 'sec(B) + sec(C)', ID="X_73", classes=["center", "incident"])
            central_line(model, X_3, X_73, 3, 73, incident=True)
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
            X_47 = eval_trilinear_point(model, A, B, C, 'cos(2*A)', ID="X_47", classes=["center", "incident"])
            central_line(model, X_36, X_47, 36, 47, incident=True)
            return promote_point_to_top(model, X_603)


        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_603 on the given reference triangle."""
            model = create_model('X_603 = X_58-CEVA CONJUGATE OF X_56')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00603(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-00603.json"))
            write_center_svg(
                model_acute,
                here / "x-00603.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )