X1613

TCC-PERSPECTOR OF X31

X1613 is the tcc-perspector of X31.
< 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) { 2, 6 }: Centroid–Symmedian Line { 154, 237 }: Central Line L(154, 237) { 3, 695 }: Central Line L(3, 695) { 25, 694 }: Central Line L(25, 694) { 110, 699 }: Central Line L(110, 699) { 305, 732 }: Central Line L(305, 732) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_154 = -CEVA CONJUGATE OF X(6) (0.4807, -0.3954) X_237 = -LINE CONJUGATE OF X(2) (0.9894, 1.3825) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_695 = ISOGONAL CONJUGATE OF X(384) (0.5903, 0.2249) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_699 = EVEN (- 4, - 2) CIRCUMCIRCLE POINT (0.9822, 0.2692) X_305 = ISOTOMIC CONJUGATE OF X(25) (0.3258, 0.0397) X_732 = EVEN (- 2, 2) INFINITY POINT (0.9745, 0.5915) X_1613 = TCC-PERSPECTOR OF X(31) (0.7015, 0.3763) A B C X2 X6 X154 X237 X3 X695 X25 X694 X110 X699 X305 X732 X1613 (a, b, c) = (5, 6, 7) | AB = 1

X1613 (TCC-PERSPECTOR OF X31) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1613 = TCC-PERSPECTOR OF X_31."""

        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,
            centroid_of,
            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_01613(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1613 = TCC-PERSPECTOR OF X_31 on reference triangle ABC."""
            X_1613 = eval_trilinear_point(model, A, B, C, '(a*(b**(2)*c**(2) - c**(2)*a**(2) - a**(2)*b**(2)))', ID="X_1613", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_2, X_6, 2, 6, incident=True)
            X_154 = eval_trilinear_point(model, A, B, C, '(cos(A) - cos(B)*cos(C))*a**(2)', ID="X_154", classes=["center", "incident"])
            X_237 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A +  omega  )', ID="X_237", classes=["center", "incident"])
            central_line(model, X_154, X_237, 154, 237, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_695 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) + b**(2)*c**(2))', ID="X_695", classes=["center", "incident"])
            central_line(model, X_3, X_695, 3, 695, incident=True)
            return promote_point_to_top(model, X_1613)


        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_1613 on the given reference triangle."""
            model = create_model('X_1613 = TCC-PERSPECTOR OF X_31')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01613(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-01613.json"))
            write_center_svg(
                model_acute,
                here / "x-01613.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )