X2276

X2-ISOCONJUGATE OF X985

< 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, 31 }: Central Line L(6, 31) { 2, 37 }: Central Line L(2, 37) { 1, 39 }: Central Line L(1, 39) { 9, 43 }: Central Line L(9, 43) { 32, 35 }: Central Line L(32, 35) { 3, 172 }: Central Line L(3, 172) 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_31 = 2nd POWER POINT (0.6228, 0.3008) X_2 = CENTROID (0.5374, 0.2000) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_1 = INCENTER (0.5714, 0.2333) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_9 = MITTENPUNKT (0.5110, 0.1615) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_172 = TRILINEAR PRODUCT X(6)*X(171) (0.6080, 0.2866) X_2276 = -ISOCONJUGATE OF X(985) (0.5757, 0.2314) A B C X6 X31 X2 X37 X1 X39 X9 X43 X32 X35 X3 X172 X2276 (a, b, c) = (5, 6, 7) | AB = 1

X2276 (X2-ISOCONJUGATE OF X985) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2276 = X_2-ISOCONJUGATE OF X_985."""

        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,
            crosspoint,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02276(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2276 = X_2-ISOCONJUGATE OF X_985 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_1002 = eval_trilinear_point(model, A, B, C, '(1/(a**(2) - a*(b + c) - 2*b*c))', ID="X_1002", classes=["center"])
            X_2276 = crosspoint(model, A, B, C, X_2, X_1002, ID="X_2276", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_6, X_31, 6, 31, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_2, X_37, 2, 37, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            central_line(model, X_1, X_39, 1, 39, incident=True)
            return promote_point_to_top(model, X_2276)


        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_2276 on the given reference triangle."""
            model = create_model('X_2276 = X_2-ISOCONJUGATE OF X_985')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02276(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-02276.json"))
            write_center_svg(
                model_acute,
                here / "x-02276.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )