X132

X2X_107∩X4X_32

X132 = midpoint of X4 and X112
< 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) { 4, 112 }: Central Line L(4, 112) { 4, 32 }: Central Line L(4, 32) { 2, 107 }: Central Line L(2, 107) { 5, 127 }: Central Line L(5, 127) { 51, 125 }: Central Line L(51, 125) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_2 = CENTROID (0.5374, 0.2000) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_127 = -OF-MEDIAL-TRIANGLE (0.5480, -0.0061) X_51 = CENTROID OF ORTHIC TRIANGLE (0.6093, 0.3186) X_125 = CENTER OF JERABEK HYPERBOLA (0.6803, 0.0260) X_132 = ∩X(4)X(32) (0.5642, 0.5039) A B C X4 X112 X32 X2 X107 X5 X127 X51 X125 X132 (a, b, c) = (5, 6, 7) | AB = 1

X132 (X2X_107∩X4X_32) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_132 = X_2X_107∩X_4X_32."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            midpoint,
            nine_point_center_of,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00132(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_132 = X_2X_107∩X_4X_32 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center"])
            X_132 = midpoint(model, X_4, X_112, ID="X_132", classes=["selected", "target"], guide=False)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            central_line(model, X_4, X_32, 4, 32, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center", "incident"])
            central_line(model, X_2, X_107, 2, 107, incident=True)
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_127 = eval_trilinear_point(model, A, B, C, 'b*c*(sin(2*B) - sin(2*C))*((b**(2) - c**(2))*sin(2*A) - b**(2)*sin(2*B) + c**(2)*sin(2*C))', ID="X_127", classes=["center", "incident"])
            central_line(model, X_5, X_127, 5, 127, incident=True)
            return promote_point_to_top(model, X_132)


        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_132 on the given reference triangle."""
            model = create_model('X_132 = X_2X_107∩X_4X_32')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00132(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-00132.json"))
            write_center_svg(
                model_acute,
                here / "x-00132.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )