X2013

INSIMILICENTER(GALLATLY CIRCLE, SPIEKER CIRCLE)

X2013 is the insimilicenter(gallatly circle, Spieker 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) { 10, 39 }: Central Line L(10, 39) { 2, 2008 }: Central Line L(2, 2008) { 8, 2007 }: Central Line L(8, 2007) { 371, 1681 }: Central Line L(371, 1681) { 372, 1680 }: Central Line L(372, 1680) { 958, 1689 }: Central Line L(958, 1689) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_2 = CENTROID (0.5374, 0.2000) X_2008 = EXSIMILICENTER(GALLATLY CIRCLE, INCIRCLE) (0.3669, 0.3221) X_8 = NAGEL POINT (0.4694, 0.1333) X_2007 = INSIMILICENTER(GALLATLY CIRCLE, INCIRCLE) (0.5746, 0.2319) X_371 = KENMOTU POINT (CONGRUENT SQUARES POINT) (0.5652, 0.2097) X_1681 = EXSIMILICENTER(1st LEMOINE CIRCLE, SPIEKER CIRCLE) (0.5004, 0.1824) X_372 = {X(3),X(6)}-HARMONIC CONJUGATE OF X(371) (0.7148, 0.4568) X_1680 = INSIMILICENTER(1st LEMOINE CIRCLE, SPIEKER CIRCLE) (0.5289, 0.1837) X_958 = INTERSECTION OF LINES X(1)X(6) AND X(2)X(12) (0.5166, 0.1682) X_1689 = INVERSE-IN-BROCARD-CIRCLE OF X(1687) (0.6471, 0.3451) X_2013 = INSIMILICENTER(GALLATLY CIRCLE, SPIEKER CIRCLE) (0.5391, 0.1987) A B C X10 X39 X2 X2008 X8 X2007 X371 X1681 X372 X1680 X958 X1689 X2013 (a, b, c) = (5, 6, 7) | AB = 1

X2013 (INSIMILICENTER(GALLATLY CIRCLE, SPIEKER CIRCLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2013 = INSIMILICENTER(GALLATLY CIRCLE, SPIEKER 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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            nagel_point_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02013(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2013 = INSIMILICENTER(GALLATLY CIRCLE, SPIEKER CIRCLE) on reference triangle ABC."""
            X_2013 = eval_trilinear_point(model, A, B, C, '((sin(B) + sin(C) + sin(A)*sin(A +  omega  ))*(csc(A)))', ID="X_2013", classes=["selected", "target"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            central_line(model, X_10, X_39, 10, 39, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_2008 = eval_trilinear_point(model, A, B, C, '(1 - sin(A +  omega  ))', ID="X_2008", classes=["center", "incident"])
            central_line(model, X_2, X_2008, 2, 2008, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_2007 = eval_trilinear_point(model, A, B, C, '(1 + sin(A +  omega  ))', ID="X_2007", classes=["center", "incident"])
            central_line(model, X_8, X_2007, 8, 2007, incident=True)
            return promote_point_to_top(model, X_2013)


        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_2013 on the given reference triangle."""
            model = create_model('X_2013 = INSIMILICENTER(GALLATLY CIRCLE, SPIEKER CIRCLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02013(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-02013.json"))
            write_center_svg(
                model_acute,
                here / "x-02013.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )