X1193

3rd SARAGOSSA POINT OF X1

X1193 = crossdifference of every pair of points on line X522X649
< 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) { 1, 2 }: Nagel Line { 3, 31 }: Central Line L(3, 31) { 6, 41 }: Central Line L(6, 41) { 36, 58 }: Central Line L(36, 58) { 38, 72 }: Central Line L(38, 72) { 39, 213 }: Central Line L(39, 213) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1220 = ISOGONAL CONJUGATE OF X(1193) (0.5436, 0.2094) X_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_213 = -CEVA CONJUGATE OF X(42) (0.6135, 0.2833) X_1193 = 3rd SARAGOSSA POINT OF X(1) (0.5959, 0.2573) A B C X1220 X1 X2 X3 X31 X6 X41 X36 X58 X38 X72 X39 X213 X1193 (a, b, c) = (5, 6, 7) | AB = 1

X1193 (3rd SARAGOSSA POINT OF X1) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1193 = 3rd SARAGOSSA POINT OF X_1."""

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


        def construct_x_01193(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1193 = 3rd SARAGOSSA POINT OF X_1 on reference triangle ABC."""
            X_1193 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) + a*b + a*c))', ID="X_1193", 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_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_3, X_31, 3, 31, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
            central_line(model, X_6, X_41, 6, 41, incident=True)
            return promote_point_to_top(model, X_1193)


        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_1193 on the given reference triangle."""
            model = create_model('X_1193 = 3rd SARAGOSSA POINT OF X_1')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01193(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-01193.json"))
            write_center_svg(
                model_acute,
                here / "x-01193.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )