X1742

MIMOSA TRANSFORM OF X212

< 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) { 1, 7 }: Soddy Line { 43, 165 }: Central Line L(43, 165) { 3, 238 }: Central Line L(3, 238) { 40, 511 }: Central Line L(40, 511) { 87, 572 }: Central Line L(87, 572) { 259, 503 }: Central Line L(259, 503) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_7 = GERGONNE POINT (0.5903, 0.2769) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_165 = CENTROID OF THE EXCENTRAL TRIANGLE (0.4762, 0.0583) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_40 = BEVAN POINT (0.4286, -0.0292) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_87 = -CROSS CONJUGATE OF X(1) (0.4794, 0.1691) X_572 = ORTHOGONAL OF X(58) (7.2953, -0.6907) X_259 = ISOGONAL CONJUGATE OF X(174) (0.5606, 0.2123) X_503 = 1st ISOSCELIZER POINT (0.5510, 0.1888) X_1742 = MIMOSA TRANSFORM OF X(212) (0.5314, 0.1406) A B C X1 X7 X43 X165 X3 X238 X40 X511 X87 X572 X259 X503 X1742 (a, b, c) = (5, 6, 7) | AB = 1

X1742 (MIMOSA TRANSFORM OF X212) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1742 = MIMOSA TRANSFORM OF X_212."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            gergonne_point_of,
            incenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01742(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1742 = MIMOSA TRANSFORM OF X_212 on reference triangle ABC."""
            X_1742 = eval_trilinear_point(model, A, B, C, '(sec(B/2))**(2) + (sec(C/2))**(2) - (sec(A/2))**(2)', ID="X_1742", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            central_line(model, X_1, X_7, 1, 7, incident=True)
            X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
            X_165 = eval_trilinear_point(model, A, B, C, 'tan(B/2) + tan(C/2) - tan(A/2)', ID="X_165", classes=["center", "incident"])
            central_line(model, X_43, X_165, 43, 165, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
            central_line(model, X_3, X_238, 3, 238, incident=True)
            return promote_point_to_top(model, X_1742)


        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_1742 on the given reference triangle."""
            model = create_model('X_1742 = MIMOSA TRANSFORM OF X_212')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01742(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-01742.json"))
            write_center_svg(
                model_acute,
                here / "x-01742.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )