X3230

ISOGONAL CONJUGATE OF X3227

< 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) { 3125, 3290 }: Central Line L(3125, 3290) { 1, 6 }: Incenter–Symmedian Line { 106, 292 }: Central Line L(106, 292) { 187, 237 }: Central Line L(187, 237) { 172, 595 }: Central Line L(172, 595) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3125 = DANNEELS PERSPECTOR FOR X(81) (0.7794, 0.1074) X_3290 = INTERSECTION OF LINES X(2)X(37) AND X(230)X(231) (1.0664, 0.6348) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_292 = -HIRST INVERSE OF X(291) (1.0127, 0.0417) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_237 = -LINE CONJUGATE OF X(2) (0.9894, 1.3825) X_172 = TRILINEAR PRODUCT X(6)*X(171) (0.6080, 0.2866) X_595 = 2nd HATZIPOLAKIS-YIU POINT (0.6456, 0.3307) X_3230 = ISOGONAL CONJUGATE OF X(3227) (1.3535, 1.1621) A B C X3125 X3290 X1 X6 X106 X292 X187 X237 X172 X595 X3230 (a, b, c) = (5, 6, 7) | AB = 1

X3230 (ISOGONAL CONJUGATE OF X3227) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3230 = ISOGONAL CONJUGATE OF X_3227."""

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


        def construct_x_03230(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3230 = ISOGONAL CONJUGATE OF X_3227 on reference triangle ABC."""
            X_3230 = eval_trilinear_point(model, A, B, C, '(a*(2*b*c - a*b - a*c))', ID="X_3230", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_1, X_6, 1, 6, incident=True)
            X_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center", "incident"])
            X_292 = eval_trilinear_point(model, A, B, C, 'a/(a**(2) - b*c)', ID="X_292", classes=["center", "incident"])
            central_line(model, X_106, X_292, 106, 292, incident=True)
            X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center", "incident"])
            X_237 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A +  omega  )', ID="X_237", classes=["center", "incident"])
            central_line(model, X_187, X_237, 187, 237, incident=True)
            return promote_point_to_top(model, X_3230)


        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_3230 on the given reference triangle."""
            model = create_model('X_3230 = ISOGONAL CONJUGATE OF X_3227')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03230(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-03230.json"))
            write_center_svg(
                model_acute,
                here / "x-03230.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )