X3007

(DE LONGCHAMPS LINE)∩(SODDY LINE)

< 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 { 325, 523 }: Central Line L(325, 523) { 5, 1441 }: Central Line L(5, 1441) { 953, 1305 }: Central Line L(953, 1305) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_264 = ISOTOMIC CONJUGATE OF CIRCUMCENTER (0.5720, 0.3293) X_903 = -BLAIKIE TRANSFORM OF X(2) (1.0000, 0.0000) X_1 = INCENTER (0.5714, 0.2333) X_7 = GERGONNE POINT (0.5903, 0.2769) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_1441 = -BETH CONJUGATE OF X(313) (0.5459, 0.2242) X_953 = ISOGONAL CONJUGATE OF X(952) (0.0000, 0.2041) X_1305 = COLLINGS TRANSFORM OF X(440) (0.0205, -0.0724) X_3007 = (DE LONGCHAMPS LINE)∩(SODDY LINE) (0.0816, -0.8998) A B C X264 X903 X1 X7 X325 X523 X5 X1441 X953 X1305 X3007 (a, b, c) = (5, 6, 7) | AB = 1

X3007 ((DE LONGCHAMPS LINE)∩(SODDY LINE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3007 = (DE LONGCHAMPS LINE)∩(SODDY LINE)."""

        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_barycentric_point,
            eval_trilinear_point,
            gergonne_point_of,
            incenter_of,
            isotomic_conjugate,
            nine_point_center_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03007(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3007 = (DE LONGCHAMPS LINE)∩(SODDY LINE) on reference triangle ABC."""
            X_2370 = point_from_barycentrics(model, A, B, C, 0.66666667, 1, -0.66666667, ID="X_2370", classes=["center"])
            X_3007 = isotomic_conjugate(model, A, B, C, X_2370, ID="X_3007", 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_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
            X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center", "incident"])
            central_line(model, X_325, X_523, 325, 523, incident=True)
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_1441 = eval_barycentric_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_1441", classes=["center", "incident"])
            central_line(model, X_5, X_1441, 5, 1441, incident=True)
            return promote_point_to_top(model, X_3007)


        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_3007 on the given reference triangle."""
            model = create_model('X_3007 = (DE LONGCHAMPS LINE)∩(SODDY LINE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03007(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-03007.json"))
            write_center_svg(
                model_acute,
                here / "x-03007.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )