X3893

X3626com[INVERSE(n(4th 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) { 8, 210 }: Central Line L(8, 210) { 145, 354 }: Central Line L(145, 354) { 65, 519 }: Central Line L(65, 519) { 382, 517 }: Central Line L(382, 517) { 518, 1278 }: Central Line L(518, 1278) { 55, 2136 }: Central Line L(55, 2136) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_8 = NAGEL POINT (0.4694, 0.1333) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_354 = WEILL POINT (0.5823, 0.2533) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_382 = REFLECTION OF CIRCUMCENTER IN ORTHOCENTER (0.7245, 0.6894) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_1278 = CONGRUENT MIDWAY-PARALLELIANS POINT (0.3828, 0.0729) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_2136 = EIGENTRANSFORM OF X(57) (0.8750, 0.4082) X_3893 = com[INVERSE(n(4th EULER TRIANGLE))] (0.4000, 0.0933) A B C X8 X210 X145 X354 X65 X519 X382 X517 X518 X1278 X55 X2136 X3893 (a, b, c) = (5, 6, 7) | AB = 1

X3893 (X3626com[INVERSE(n(4th EULER TRIANGLE))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3893 = X_3626com[INVERSE(n(4th 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,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            nagel_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03893(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3893 = X_3626com[INVERSE(n(4th EULER TRIANGLE))] on reference triangle ABC."""
            X_3893 = eval_barycentric_point(model, A, B, C, '(a*(b + c - a)*(b**(2) + c**(2) + a*b + a*c - 6*b*c))', ID="X_3893", classes=["selected", "target"])
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_8, X_210, 8, 210, incident=True)
            X_145 = eval_trilinear_point(model, A, B, C, 'b*c*(3*a - b - c)', ID="X_145", classes=["center", "incident"])
            X_354 = eval_trilinear_point(model, A, B, C, '(b - c)**(2) - a*b - a*c', ID="X_354", classes=["center", "incident"])
            central_line(model, X_145, X_354, 145, 354, incident=True)
            X_65 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C)', ID="X_65", classes=["center", "incident"])
            X_519 = eval_trilinear_point(model, A, B, C, '(2*a - b - c)/a', ID="X_519", classes=["center", "incident"])
            central_line(model, X_65, X_519, 65, 519, incident=True)
            return promote_point_to_top(model, X_3893)


        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_3893 on the given reference triangle."""
            model = create_model('X_3893 = X_3626com[INVERSE(n(4th EULER TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03893(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-03893.json"))
            write_center_svg(
                model_acute,
                here / "x-03893.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )