X1604

TCC-PERSPECTOR OF X9

X1604 is the tcc-perspector of X9.
< 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, 9 }: Central Line L(3, 9) { 25, 1863 }: Central Line L(25, 1863) 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_9 = MITTENPUNKT (0.5110, 0.1615) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_1863 = ZOSMA TRANSFORM OF X(269) (0.6414, 0.4494) X_1604 = TCC-PERSPECTOR OF X(9) (0.3886, -0.5005) A B C X3 X9 X25 X1863 X1604 (a, b, c) = (5, 6, 7) | AB = 1

X1604 (TCC-PERSPECTOR OF X9) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1604 = TCC-PERSPECTOR OF X_9."""

        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,
            ceva_conjugate,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            mittenpunkt_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01604(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1604 = TCC-PERSPECTOR OF X_9 on reference triangle ABC."""
            X_346 = eval_trilinear_point(model, A, B, C, 'b*c*(b + c - a)**(2)', ID="X_346", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_1604 = ceva_conjugate(model, A, B, C, X_346, X_6, ID="X_1604", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            central_line(model, X_3, X_9, 3, 9, incident=True)
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            X_1863 = eval_barycentric_point(model, A, B, C, '(a**(2) + b**(2) + c**(2) - 2*a*b - 2*a*c)/(b**(2) + c**(2) - a**(2))', ID="X_1863", classes=["center", "incident"])
            central_line(model, X_25, X_1863, 25, 1863, incident=True)
            return promote_point_to_top(model, X_1604)


        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_1604 on the given reference triangle."""
            model = create_model('X_1604 = TCC-PERSPECTOR OF X_9')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01604(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-01604.json"))
            write_center_svg(
                model_acute,
                here / "x-01604.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )