X3564

1st MOSES INFINITY POINT

X3564 = crossdifference of every pair of points on line X6X924
< 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) { 5, 6 }: Nine-Point–Symmedian Line { 3, 69 }: Central Line L(3, 69) { 26, 159 }: Central Line L(26, 159) { 4, 193 }: Central Line L(4, 193) { 140, 141 }: Central Line L(140, 141) { 114, 230 }: Central Line L(114, 230) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_26 = CIRCUMCENTER OF THE TANGENTIAL TRIANGLE (0.1382, -0.8447) X_159 = -OF-TANGENTIAL-TRIANGLE (0.4211, -0.7266) X_4 = ORTHOCENTER (0.6122, 0.3958) X_193 = -CEVA CONJUGATE OF X(2) (0.7878, 0.4690) X_140 = MIDPOINT OF X(3) AND X(5) (0.5281, 0.1755) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_114 = KIEPERT ANTIPODE (0.3616, 0.4140) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_3564 = 1st MOSES INFINITY POINT (1.0790, 0.4260) A B C X2 X5 X6 X3 X69 X26 X159 X4 X193 X140 X141 X114 X230 X3564 (a, b, c) = (5, 6, 7) | AB = 1

X3564 (1st MOSES INFINITY POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3564 = 1st MOSES INFINITY POINT."""

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


        def construct_x_03564(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3564 = 1st MOSES INFINITY POINT on reference triangle ABC."""
            X_3563 = eval_trilinear_point(model, A, B, C, '(sec(A))/(b**(2)*(cos(C))**(2) + c**(2)*(cos(B))**(2) - b*c*cos(A))', ID="X_3563", classes=["center"])
            X_3564 = isogonal_conjugate(model, A, B, C, X_3563, ID="X_3564", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_5, X_6, 5, 6, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            central_line(model, X_3, X_69, 3, 69, incident=True)
            X_26 = eval_trilinear_point(model, A, B, C, 'a*(b**(2)*cos(2*B) + c**(2)*cos(2*C) - a**(2)*cos(2*A))', ID="X_26", classes=["center", "incident"])
            X_159 = eval_trilinear_point(model, A, B, C, '(a*((a**(2) + b**(2) + c**(2))*sin(2*A) + (c**(2) - b**(2) - a**(2))*sin(2*B) + (b**(2) - c**(2) - a**(2))*sin(2*C)))', ID="X_159", classes=["center", "incident"])
            central_line(model, X_26, X_159, 26, 159, incident=True)
            return promote_point_to_top(model, X_3564)


        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_3564 on the given reference triangle."""
            model = create_model('X_3564 = 1st MOSES INFINITY POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03564(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-03564.json"))
            write_center_svg(
                model_acute,
                here / "x-03564.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )