X2248

X2-ISOCONJUGATE OF X846

< 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) { 37, 171 }: Central Line L(37, 171) { 42, 172 }: Central Line L(42, 172) { 694, 741 }: Central Line L(694, 741) { 2, 1931 }: Central Line L(2, 1931) { 31, 2054 }: Central Line L(31, 2054) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_171 = {X(2), X(31)}-HARMONIC CONJUGATE OF X(238) (0.5819, 0.2525) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_172 = TRILINEAR PRODUCT X(6)*X(171) (0.6080, 0.2866) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT (1.0071, 0.0451) X_2 = CENTROID (0.5374, 0.2000) X_1931 = CROSSDIFFERENCE OF PU(32) (1.7418, 1.7715) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_2054 = -ISOCONJUGATE OF X(1931) (0.9934, -0.0217) X_2248 = -ISOCONJUGATE OF X(846) (0.6179, 0.3050) A B C X58 X6 X37 X171 X42 X172 X694 X741 X2 X1931 X31 X2054 X2248 (a, b, c) = (5, 6, 7) | AB = 1

X2248 (X2-ISOCONJUGATE OF X846) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2248 = X_2-ISOCONJUGATE OF X_846."""

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


        def construct_x_02248(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2248 = X_2-ISOCONJUGATE OF X_846 on reference triangle ABC."""
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center"])
            X_171 = eval_trilinear_point(model, A, B, C, 'a**(2) + b*c', ID="X_171", classes=["center"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center"])
            X_172 = eval_trilinear_point(model, A, B, C, 'a**(3) + a*b*c', ID="X_172", classes=["center"])
            central_line(model, X_37, X_171, 37, 171)
            central_line(model, X_42, X_172, 42, 172)
            X_2248 = intersect_lines(model, X_37, X_171, X_42, X_172, ID="X_2248", classes=["selected", "target"])
            X_694 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) - b**(2)*c**(2))', ID="X_694", classes=["center", "incident"])
            X_741 = eval_trilinear_point(model, A, B, C, '(1/(a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))))', ID="X_741", classes=["center", "incident"])
            central_line(model, X_694, X_741, 694, 741, incident=True)
            return promote_point_to_top(model, X_2248)


        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_2248 on the given reference triangle."""
            model = create_model('X_2248 = X_2-ISOCONJUGATE OF X_846')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02248(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-02248.json"))
            write_center_svg(
                model_acute,
                here / "x-02248.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )