X3033

INTERSECTION X10X_116∩X43X_57

X3033 = inverse-in-excircles-radical-circle of X120
< 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) { 43, 57 }: Central Line L(43, 57) { 10, 116 }: Central Line L(10, 116) { 101, 386 }: Central Line L(101, 386) { 103, 573 }: Central Line L(103, 573) { 118, 2051 }: Central Line L(118, 2051) { 440, 2968 }: Central Line L(440, 2968) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_116 = MIDPOINT OF X(4) AND X(103) (0.6990, 0.0375) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_386 = INVERSE-IN-BROCARD-CIRCLE OF X(58) (0.5912, 0.2526) X_103 = ANTIPODE OF X(101) (0.7857, -0.3208) X_573 = ORTHOHARMONIC OF X(58) (0.4486, 0.0172) X_118 = MIDPOINT OF X(4) AND X(101) (0.4133, 0.4603) X_2051 = EXSIMILICENTER(NINE-POINT CIRCLE, APOLLONIUS CIRCLE) (0.6034, 0.3358) X_440 = COMPLEMENT OF X(27) (0.4970, 0.0943) X_2968 = 2nd MACBEATH POINT (0.5881, 0.0121) X_3033 = INTERSECTION X(10)X(116)∩X(43)X(57) (-0.7602, 1.2289) A B C X43 X57 X10 X116 X101 X386 X103 X573 X118 X2051 X440 X2968 X3033 (a, b, c) = (5, 6, 7) | AB = 1

X3033 (INTERSECTION X10X_116∩X43X_57) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3033 = INTERSECTION X_10X_116∩X_43X_57."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03033(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3033 = INTERSECTION X_10X_116∩X_43X_57 on reference triangle ABC."""
            X_3033 = eval_trilinear_point(model, A, B, C, 'a*((a**(2) - b*c)**(2)*(b + c)**(2) - (b**(3) - c**(3))**(2))', ID="X_3033", classes=["selected", "target"])
            X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            central_line(model, X_43, X_57, 43, 57, incident=True)
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_116 = eval_trilinear_point(model, A, B, C, 'b*c*((b - c)**(2)*(b**(2) + b*c + c**(2) - a*b - a*c))', ID="X_116", classes=["center", "incident"])
            central_line(model, X_10, X_116, 10, 116, incident=True)
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            X_386 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2) + b*c + c*a + a*b)', ID="X_386", classes=["center", "incident"])
            central_line(model, X_101, X_386, 101, 386, incident=True)
            return promote_point_to_top(model, X_3033)


        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_3033 on the given reference triangle."""
            model = create_model('X_3033 = INTERSECTION X_10X_116∩X_43X_57')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03033(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-03033.json"))
            write_center_svg(
                model_acute,
                here / "x-03033.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )