X1731

MIMOSA TRANSFORM OF X88

< 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) { 8, 9 }: Central Line L(8, 9) { 19, 46 }: Central Line L(19, 46) { 44, 517 }: Central Line L(44, 517) { 243, 522 }: Central Line L(243, 522) { 63, 1266 }: Central Line L(63, 1266) { 92, 1751 }: Central Line L(92, 1751) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_88 = ISOGONAL CONJUGATE OF X(44) (1.0000, 0.0000) X_8 = NAGEL POINT (0.4694, 0.1333) X_9 = MITTENPUNKT (0.5110, 0.1615) X_19 = CLAWSON POINT (0.6246, 0.4244) X_46 = -CEVA CONJUGATE OF X(1) (0.6917, 0.4543) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_243 = -LINE CONJUGATE OF X(73) (0.7516, 0.9505) X_522 = ISOGONAL CONJUGATE OF X(109) (-0.0318, 0.3430) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_1266 = ISOTOMIC CONJUGATE OF X(1120) (2.8367, 1.7996) X_92 = CEVAPOINT OF INCENTER AND CLAWSON POINT (0.5949, 0.3639) X_1751 = MIMOSA TRANSFORM OF X(272) (-0.2166, -0.0439) X_1731 = MIMOSA TRANSFORM OF X(88) (1.4252, 0.7812) A B C X21 X88 X8 X9 X19 X46 X44 X517 X243 X522 X63 X1266 X92 X1751 X1731 (a, b, c) = (5, 6, 7) | AB = 1

X1731 (MIMOSA TRANSFORM OF X88) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1731 = MIMOSA TRANSFORM OF X_88."""

        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,
            crosspoint,
            eval_trilinear_point,
            mittenpunkt_of,
            nagel_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01731(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1731 = MIMOSA TRANSFORM OF X_88 on reference triangle ABC."""
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center"])
            X_88 = eval_trilinear_point(model, A, B, C, '1/(b + c - 2*a)', ID="X_88", classes=["center"])
            X_1731 = crosspoint(model, A, B, C, X_21, X_88, ID="X_1731", classes=["selected", "target"])
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            central_line(model, X_8, X_9, 8, 9, incident=True)
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center", "incident"])
            central_line(model, X_19, X_46, 19, 46, incident=True)
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_517 = eval_trilinear_point(model, A, B, C, '-1 + cos(B) + cos(C)', ID="X_517", classes=["center", "incident"])
            central_line(model, X_44, X_517, 44, 517, incident=True)
            return promote_point_to_top(model, X_1731)


        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_1731 on the given reference triangle."""
            model = create_model('X_1731 = MIMOSA TRANSFORM OF X_88')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01731(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-01731.json"))
            write_center_svg(
                model_acute,
                here / "x-01731.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )