X236

X2-CEVA CONJUGATE OF X188

< 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) { 2, 174 }: Central Line L(2, 174) { 9, 173 }: Central Line L(9, 173) { 8, 178 }: Central Line L(8, 178) 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_188 = 2nd MID-ARC POINT OF ANTICOMPLEMENTARY TRIANGLE (0.5245, 0.1802) X_174 = YFF CENTER OF CONGRUENCE (0.5813, 0.2549) X_9 = MITTENPUNKT (0.5110, 0.1615) X_173 = CONGRUENT ISOSCELIZERS POINT (0.5924, 0.2741) X_8 = NAGEL POINT (0.4694, 0.1333) X_178 = 2nd MID-ARC POINT (0.5439, 0.2098) X_236 = -CEVA CONJUGATE OF X(188) (0.5520, 0.2182) A B C X2 X188 X174 X9 X173 X8 X178 X236 (a, b, c) = (5, 6, 7) | AB = 1

X236 (X2-CEVA CONJUGATE OF X188) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_236 = X_2-CEVA CONJUGATE OF X_188."""

        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,
            mittenpunkt_of,
            nagel_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00236(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_236 = X_2-CEVA CONJUGATE OF X_188 on reference triangle ABC."""
            X_236 = eval_trilinear_point(model, A, B, C, '((csc(A/2))*(cos(B/2) + cos(C/2) - cos(A/2)))', ID="X_236", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_174 = eval_trilinear_point(model, A, B, C, 'sec(A/2)', ID="X_174", classes=["center", "incident"])
            central_line(model, X_2, X_174, 2, 174, incident=True)
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_173 = eval_trilinear_point(model, A, B, C, 'cos(B/2) + cos(C/2) - cos(A/2)', ID="X_173", classes=["center", "incident"])
            central_line(model, X_9, X_173, 9, 173, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_178 = eval_trilinear_point(model, A, B, C, '(cos(B/2) + cos(C/2))*csc(A)', ID="X_178", classes=["center", "incident"])
            central_line(model, X_8, X_178, 8, 178, incident=True)
            return promote_point_to_top(model, X_236)


        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_236 on the given reference triangle."""
            model = create_model('X_236 = X_2-CEVA CONJUGATE OF X_188')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00236(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-00236.json"))
            write_center_svg(
                model_acute,
                here / "x-00236.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )