X3837

X2254com(3rd EULER TRIANGLE)

< 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) { 11, 244 }: Central Line L(11, 244) { 2, 659 }: Central Line L(2, 659) { 325, 523 }: Central Line L(325, 523) { 10, 891 }: Central Line L(10, 891) { 334, 876 }: Central Line L(334, 876) { 814, 905 }: Central Line L(814, 905) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_244 = -LINE CONJUGATE OF X(100) (0.7857, 0.1166) X_2 = CENTROID (0.5374, 0.2000) X_659 = CROSSDIFFERENCE OF X(1) AND X(39) (1.9286, 2.2162) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_891 = ISOTOMIC CONJUGATE OF X(889) (0.8689, 0.6842) X_334 = ISOTOMIC CONJUGATE OF X(238) (1.0545, 0.0278) X_876 = ISOTOMIC CONJUGATE OF X(874) (0.9873, -0.0185) X_814 = ODD (- 1, 2) INFINITY POINT (1.1242, 0.2110) X_905 = POINT ACHERNAR (5.6190, -0.6999) X_3837 = com(3rd EULER TRIANGLE) (-0.1582, -0.8082) A B C X11 X244 X2 X659 X325 X523 X10 X891 X334 X876 X814 X905 X3837 (a, b, c) = (5, 6, 7) | AB = 1

X3837 (X2254com(3rd EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3837 = X_2254com(3rd EULER TRIANGLE)."""

        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_barycentric_point,
            eval_trilinear_point,
            feuerbach_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03837(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3837 = X_2254com(3rd EULER TRIANGLE) on reference triangle ABC."""
            X_3837 = eval_barycentric_point(model, A, B, C, '((b - c)*(a*b**(2) + a*c**(2) - b**(2)*c - b*c**(2)))', ID="X_3837", classes=["selected", "target"])
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_244 = eval_trilinear_point(model, A, B, C, '(b - c)**(2)', ID="X_244", classes=["center", "incident"])
            central_line(model, X_11, X_244, 11, 244, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_659 = eval_trilinear_point(model, A, B, C, '(a**(2) - b*c)*(b - c)', ID="X_659", classes=["center", "incident"])
            central_line(model, X_2, X_659, 2, 659, 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)
            return promote_point_to_top(model, X_3837)


        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_3837 on the given reference triangle."""
            model = create_model('X_3837 = X_2254com(3rd EULER TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03837(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-03837.json"))
            write_center_svg(
                model_acute,
                here / "x-03837.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )