X741

EVEN (- 1, 1) CIRCUMCIRCLE POINT

X741 = Ψ(X190, X37)
< 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, 99 }: Central Line L(1, 99) { 42, 81 }: Central Line L(42, 81) { 31, 110 }: Central Line L(31, 110) { 58, 101 }: Central Line L(58, 101) { 86, 789 }: Central Line L(86, 789) { 21, 932 }: Central Line L(21, 932) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_740 = EVEN (- 1, 1) INFINITY POINT (0.9745, 0.5915) X_1 = INCENTER (0.5714, 0.2333) X_99 = STEINER POINT (0.1109, 0.4322) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_789 = o-(- 3, 0) CIRCUMCIRCLE POINT (0.0826, 0.3957) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_932 = -CROSS CONJUGATE OF X(100) (0.0354, 0.3132) X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT (1.0071, 0.0451) A B C X740 X1 X99 X42 X81 X31 X110 X58 X101 X86 X789 X21 X932 X741 (a, b, c) = (5, 6, 7) | AB = 1

X741 (EVEN (- 1, 1) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT."""

        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,
            incenter_of,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00741(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_740 = eval_trilinear_point(model, A, B, C, 'a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))', ID="X_740", classes=["center"])
            X_741 = isogonal_conjugate(model, A, B, C, X_740, ID="X_741", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            central_line(model, X_1, X_99, 1, 99, incident=True)
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center", "incident"])
            central_line(model, X_42, X_81, 42, 81, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            central_line(model, X_31, X_110, 31, 110, incident=True)
            return promote_point_to_top(model, X_741)


        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_741 on the given reference triangle."""
            model = create_model('X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00741(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-00741.json"))
            write_center_svg(
                model_acute,
                here / "x-00741.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )