X3011

(NAGEL LINE)∩(ORTHIC AXIS)

< A B C >: Reference Triangle △ABC < M_a M_b M_c >: Medial Triangle △M_a M_b M_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 3006 }: Nagel Line { 1, 2 }: Nagel Line { 25, 225 }: Central Line L(25, 225) { 31, 226 }: Central Line L(31, 226) { 230, 231 }: Central Line L(230, 231) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) M_a = Midpoint M_a of BC (0.8061, 0.2999) M_b = Midpoint M_b of CA (0.3061, 0.2999) M_c = Midpoint M_c of AB (0.5000, 0.0000) X_2 = CENTROID (0.5374, 0.2000) X_3006 = (DE LONGCHAMPS LINE)∩(NAGEL LINE) (-0.3980, -0.7165) X_1 = INCENTER (0.5714, 0.2333) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_225 = -CEVA CONJUGATE OF X(65) (0.6246, 0.4451) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_226 = -CEVA CONJUGATE OF X(65) (0.5778, 0.2588) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_231 = -CEVA CONJUGATE OF X(128) (1.0375, 0.6458) X_3011 = (NAGEL LINE)∩(ORTHIC AXIS) (1.0051, 0.6582) A B C Ma Mb Mc X2 X3006 X1 X25 X225 X31 X226 X230 X231 X3011 (a, b, c) = (5, 6, 7) | AB = 1

X3011 ((NAGEL LINE)∩(ORTHIC AXIS)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3011 = (NAGEL LINE)∩(ORTHIC AXIS)."""

        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,
            complement,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03011(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3011 = (NAGEL LINE)∩(ORTHIC AXIS) on reference triangle ABC."""
            X_3006 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(3) + c**(3) - a*b**(2) - a*c**(2)))', ID="X_3006", classes=["center"])
            X_3011 = complement(model, A, B, C, X_3006, ID="X_3011", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_1, X_2, 1, 2, incident=True)
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            X_225 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(B) + cos(C))', ID="X_225", classes=["center", "incident"])
            central_line(model, X_25, X_225, 25, 225, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center", "incident"])
            central_line(model, X_31, X_226, 31, 226, incident=True)
            return promote_point_to_top(model, X_3011)


        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_3011 on the given reference triangle."""
            model = create_model('X_3011 = (NAGEL LINE)∩(ORTHIC AXIS)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03011(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-03011.json"))
            write_center_svg(
                model_acute,
                here / "x-03011.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )