X1622

TCC-PERSPECTOR OF X84

X1622 is the tcc-perspector of X84.
< 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) { 6, 947 }: Central Line L(6, 947) { 84, 963 }: Central Line L(84, 963) 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_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_947 = ISOGONAL CONJUGATE OF X(946) (0.5457, 0.1609) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_963 = ISOGONAL CONJUGATE OF X(962) (1.3582, 0.0792) X_1622 = TCC-PERSPECTOR OF X(84) (0.7522, 0.5653) A B C X1 X3 X6 X947 X84 X963 X1622 (a, b, c) = (5, 6, 7) | AB = 1

X1622 (TCC-PERSPECTOR OF X84) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1622 = TCC-PERSPECTOR OF X_84."""

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


        def construct_x_01622(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1622 = TCC-PERSPECTOR OF X_84 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_947 = eval_trilinear_point(model, A, B, C, '(a/(a**(3)*(b + c) + (b - c)**(2)*(a**(2) - a*b - a*c - b**(2) - c**(2) - 2*b*c)))', ID="X_947", classes=["center"])
            central_line(model, X_1, X_3, 1, 3)
            central_line(model, X_6, X_947, 6, 947)
            X_1622 = intersect_lines(model, X_1, X_3, X_6, X_947, ID="X_1622", classes=["selected", "target"])
            X_84 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A) - 1)', ID="X_84", classes=["center", "incident"])
            X_963 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) + 2*a**(3)*(b + c) - 4*a**(2)*b*c - (b + c)*(b - c)**(2)*(2*a + b + c))', ID="X_963", classes=["center", "incident"])
            central_line(model, X_84, X_963, 84, 963, incident=True)
            return promote_point_to_top(model, X_1622)


        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_1622 on the given reference triangle."""
            model = create_model('X_1622 = TCC-PERSPECTOR OF X_84')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01622(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-01622.json"))
            write_center_svg(
                model_acute,
                here / "x-01622.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )