X2036

EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE)

X2036 is the exsimilicenter(moses circle, 1st Lemoine circle).
< 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) { 3, 6 }: Brocard Axis { 1015, 1673 }: Central Line L(1015, 1673) { 1500, 1672 }: Central Line L(1500, 1672) { 1573, 1680 }: Central Line L(1573, 1680) { 1574, 1681 }: Central Line L(1574, 1681) { 1571, 1700 }: Central Line L(1571, 1700) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1015 = EXSIMILICENTER OF MOSES CIRCLE AND INCIRCLE (0.7982, 0.1348) X_1673 = EXSIMILICENTER(INCIRCLE, 1st LEMOINE CIRCLE) (0.6607, 0.4358) X_1500 = INSIMILICENTER OF MOSES CIRCLE AND INCIRCLE (0.5747, 0.2319) X_1672 = INSIMILICENTER(INCIRCLE, 1st LEMOINE CIRCLE) (0.5619, 0.2116) X_1573 = INSIMILICENTER OF SPIEKER AND MOSES CIRCLES (0.5399, 0.1993) X_1680 = INSIMILICENTER(1st LEMOINE CIRCLE, SPIEKER CIRCLE) (0.5289, 0.1837) X_1574 = EXSIMILICENTER OF SPIEKER AND MOSES CIRCLES (0.4596, 0.1333) X_1681 = EXSIMILICENTER(1st LEMOINE CIRCLE, SPIEKER CIRCLE) (0.5004, 0.1824) X_1571 = INSIMILICENTER OF EXCENTRAL AND MOSES CIRCLES (0.5507, 0.1833) X_1700 = INSIMILICENTER(BEVAN CIRCLE, 1st LEMOINE CIRCLE) (0.5232, 0.1374) X_2036 = EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE) (0.6785, 0.3968) A B C X3 X6 X1015 X1673 X1500 X1672 X1573 X1680 X1574 X1681 X1571 X1700 X2036 (a, b, c) = (5, 6, 7) | AB = 1

X2036 (EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2036 = EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE)."""

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


        def construct_x_02036(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2036 = EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE) on reference triangle ABC."""
            X_2036 = eval_trilinear_point(model, A, B, C, '(sin(A) - sin(A +  omega  ) - sin(A - 2*omega  ))', ID="X_2036", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_1015 = eval_trilinear_point(model, A, B, C, 'a*(b - c)**(2)', ID="X_1015", classes=["center", "incident"])
            X_1673 = eval_trilinear_point(model, A, B, C, '1 - cos(A -  omega  )', ID="X_1673", classes=["center", "incident"])
            central_line(model, X_1015, X_1673, 1015, 1673, incident=True)
            X_1500 = eval_trilinear_point(model, A, B, C, 'a*(b + c)**(2)', ID="X_1500", classes=["center", "incident"])
            X_1672 = eval_trilinear_point(model, A, B, C, '1 + cos(A -  omega  )', ID="X_1672", classes=["center", "incident"])
            central_line(model, X_1500, X_1672, 1500, 1672, incident=True)
            return promote_point_to_top(model, X_2036)


        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_2036 on the given reference triangle."""
            model = create_model('X_2036 = EXSIMILICENTER(MOSES CIRCLE, 1st LEMOINE CIRCLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02036(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-02036.json"))
            write_center_svg(
                model_acute,
                here / "x-02036.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )