X1182

2nd SARAGOSSA POINT OF X19

< 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) { 3, 6 }: Brocard Axis { 19, 208 }: Central Line L(19, 208) { 9, 498 }: Central Line L(9, 498) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_19 = CLAWSON POINT (0.6246, 0.4244) X_208 = -CEVA CONJUGATE OF X(34) (0.6242, -0.2728) X_9 = MITTENPUNKT (0.5110, 0.1615) X_498 = YFF CONCURRENT CONGRUENT CIRCLES POINT (0.5518, 0.2140) X_1182 = 2nd SARAGOSSA POINT OF X(19) (0.6245, 0.3078) A B C X3 X6 X19 X208 X9 X498 X1182 (a, b, c) = (5, 6, 7) | AB = 1

X1182 (2nd SARAGOSSA POINT OF X19) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1182 = 2nd SARAGOSSA POINT OF X_19."""

        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,
            intersect_lines,
            mittenpunkt_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01182(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1182 = 2nd SARAGOSSA POINT OF X_19 on reference triangle ABC."""
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center"])
            X_208 = eval_trilinear_point(model, A, B, C, '((1 - sec(A))*(cos(B) + cos(C) - cos(A) - 1))', ID="X_208", classes=["center"])
            central_line(model, X_3, X_6, 3, 6)
            central_line(model, X_19, X_208, 19, 208)
            X_1182 = intersect_lines(model, X_3, X_6, X_19, X_208, ID="X_1182", classes=["selected", "target"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_498 = eval_trilinear_point(model, A, B, C, '1 + 2*sin(B)*sin(C)', ID="X_498", classes=["center", "incident"])
            central_line(model, X_9, X_498, 9, 498, incident=True)
            return promote_point_to_top(model, X_1182)


        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_1182 on the given reference triangle."""
            model = create_model('X_1182 = 2nd SARAGOSSA POINT OF X_19')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01182(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-01182.json"))
            write_center_svg(
                model_acute,
                here / "x-01182.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )