X1086

CENTER OF HYPERBOLA {{A,B,C,X2,X7|}

< 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) { 6, 7 }: Central Line L(6, 7) { 2, 45 }: Central Line L(2, 45) { 37, 142 }: Central Line L(37, 142) { 75, 141 }: Central Line L(75, 141) { 115, 116 }: Central Line L(115, 116) { 11, 244 }: Central Line L(11, 244) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_7 = GERGONNE POINT (0.5903, 0.2769) X_2 = CENTROID (0.5374, 0.2000) X_45 = -BETH CONJUGATE OF X(1) (0.5418, 0.1981) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_142 = COMPLEMENT OF X(9) (0.5506, 0.2192) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_116 = MIDPOINT OF X(4) AND X(103) (0.6990, 0.0375) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_244 = -LINE CONJUGATE OF X(100) (0.7857, 0.1166) X_1086 = CENTER OF HYPERBOLA {{A,B,C,X(2),X(7)|} (0.7687, 0.1000) A B C X6 X7 X2 X45 X37 X142 X75 X141 X115 X116 X11 X244 X1086 (a, b, c) = (5, 6, 7) | AB = 1

X1086 (CENTER OF HYPERBOLA {{A,B,C,X2,X7|}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1086 = CENTER OF HYPERBOLA {{A,B,C,X_2,X_7|}."""

        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,
            gergonne_point_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01086(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1086 = CENTER OF HYPERBOLA {{A,B,C,X_2,X_7|} on reference triangle ABC."""
            X_1086 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)**(2))', ID="X_1086", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            central_line(model, X_6, X_7, 6, 7, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_45 = eval_trilinear_point(model, A, B, C, '2*b + 2*c - a', ID="X_45", classes=["center", "incident"])
            central_line(model, X_2, X_45, 2, 45, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_142 = eval_trilinear_point(model, A, B, C, 'b + c - ((b - c)**(2))/a', ID="X_142", classes=["center", "incident"])
            central_line(model, X_37, X_142, 37, 142, incident=True)
            return promote_point_to_top(model, X_1086)


        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_1086 on the given reference triangle."""
            model = create_model('X_1086 = CENTER OF HYPERBOLA {{A,B,C,X_2,X_7|}')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01086(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-01086.json"))
            write_center_svg(
                model_acute,
                here / "x-01086.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )