X1199

3rd SARAGOSSA POINT OF X54

< 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) { 4, 6 }: Van Aubel Line { 23, 143 }: Central Line L(23, 143) { 54, 186 }: Central Line L(54, 186) { 140, 195 }: Central Line L(140, 195) { 288, 1157 }: Central Line L(288, 1157) { 578, 1204 }: Central Line L(578, 1204) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_54 = KOSNITA POINT (0.5880, 0.2176) X_1173 = 1st SARAGOSSA POINT OF X(54) (0.6043, 0.2952) X_4 = ORTHOCENTER (0.6122, 0.3958) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_23 = FAR-OUT POINT (1.3871, 2.4232) X_143 = NINE-POINT CENTER OF ORTHIC TRIANGLE (0.6358, 0.3534) X_186 = INVERSE-IN-CIRCUMCIRCLE OF X(4) (0.7957, 0.8758) X_140 = MIDPOINT OF X(3) AND X(5) (0.5281, 0.1755) X_195 = -CEVA CONJUGATE OF X(3) (0.6761, 0.3331) X_288 = CEVAPOINT OF X(6) AND X(54) (0.5936, 0.2442) X_1157 = INVERSE-IN-CIRCUMCIRCLE OF X(54) (1.5871, 1.5280) X_578 = ORTHOHARMONIC OF X(216) (0.5933, 0.2561) X_1204 = 3rd SARAGOSSA POINT OF X(64) (0.6497, 0.1923) X_1199 = 3rd SARAGOSSA POINT OF X(54) (0.5984, 0.2504) A B C X54 X1173 X4 X6 X23 X143 X186 X140 X195 X288 X1157 X578 X1204 X1199 (a, b, c) = (5, 6, 7) | AB = 1

X1199 (3rd SARAGOSSA POINT OF X54) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1199 = 3rd SARAGOSSA POINT OF X_54."""

        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,
            crosspoint,
            eval_trilinear_point,
            orthocenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01199(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1199 = 3rd SARAGOSSA POINT OF X_54 on reference triangle ABC."""
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center"])
            X_1173 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(4) - 3*a**(2)*(b**(2) + c**(2)) + (b**(2) - c**(2))**(2))', ID="X_1173", classes=["center"])
            X_1199 = crosspoint(model, A, B, C, X_54, X_1173, ID="X_1199", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_4, X_6, 4, 6, incident=True)
            X_23 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_23", classes=["center", "incident"])
            X_143 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(2*C - 2*A) + cos(2*A - 2*B))', ID="X_143", classes=["center", "incident"])
            central_line(model, X_23, X_143, 23, 143, incident=True)
            X_186 = eval_trilinear_point(model, A, B, C, '4*cos(A) - sec(A)', ID="X_186", classes=["center", "incident"])
            central_line(model, X_54, X_186, 54, 186, incident=True)
            return promote_point_to_top(model, X_1199)


        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_1199 on the given reference triangle."""
            model = create_model('X_1199 = 3rd SARAGOSSA POINT OF X_54')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01199(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-01199.json"))
            write_center_svg(
                model_acute,
                here / "x-01199.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )