X3745

X81com[n(MEDIAL)*n(INCENTRAL)]

X3745 = complement of X33075
< 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) { 1, 3 }: OI Line (Incenter–Circumcenter Line) { 31, 37 }: Central Line L(31, 37) { 6, 210 }: Central Line L(6, 210) { 81, 518 }: Central Line L(81, 518) { 33, 608 }: Central Line L(33, 608) { 44, 756 }: Central Line L(44, 756) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_608 = ISOGONAL CONJUGATE OF X(345) (0.6361, 0.4975) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_756 = CROSSPOINT OF X(10) AND X(37) (0.5409, 0.1988) X_3745 = com[n(MEDIAL)*n(INCENTRAL)] (0.5741, 0.2381) A B C X1 X3 X31 X37 X6 X210 X81 X518 X33 X608 X44 X756 X3745 (a, b, c) = (5, 6, 7) | AB = 1

X3745 (X81com[n(MEDIAL)*n(INCENTRAL)]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3745 = X_81com[n(MEDIAL)*n(INCENTRAL)]."""

        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_barycentric_point,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03745(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3745 = X_81com[n(MEDIAL)*n(INCENTRAL)] on reference triangle ABC."""
            X_3745 = eval_barycentric_point(model, A, B, C, '(a*(2*a**(2) + b**(2) + c**(2) + a*b + a*c + 2*b*c))', ID="X_3745", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            central_line(model, X_1, X_3, 1, 3, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_31, X_37, 31, 37, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_6, X_210, 6, 210, incident=True)
            return promote_point_to_top(model, X_3745)


        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_3745 on the given reference triangle."""
            model = create_model('X_3745 = X_81com[n(MEDIAL)*n(INCENTRAL)]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03745(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-03745.json"))
            write_center_svg(
                model_acute,
                here / "x-03745.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )