X1201

3rd SARAGOSSA POINT OF X56

< 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 { 31, 56 }: Central Line L(31, 56) { 58, 106 }: Central Line L(58, 106) { 65, 244 }: Central Line L(65, 244) { 36, 595 }: Central Line L(36, 595) { 205, 604 }: Central Line L(205, 604) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_2 = CENTROID (0.5374, 0.2000) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_244 = -LINE CONJUGATE OF X(100) (0.7857, 0.1166) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_595 = 2nd HATZIPOLAKIS-YIU POINT (0.6456, 0.3307) X_205 = -CEVA CONJUGATE OF X(31) (0.4813, -0.2261) X_604 = -CEVA CONJUGATE OF X(31) (0.6442, 0.3744) X_1201 = 3rd SARAGOSSA POINT OF X(56) (0.6184, 0.2793) A B C X1 X56 X2 X31 X58 X106 X65 X244 X36 X595 X205 X604 X1201 (a, b, c) = (5, 6, 7) | AB = 1

X1201 (3rd SARAGOSSA POINT OF X56) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1201 = 3rd SARAGOSSA POINT OF X_56."""

        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,
            incenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01201(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1201 = 3rd SARAGOSSA POINT OF X_56 on reference triangle ABC."""
            X_1201 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) - 2*b*c + a*b + a*c))', ID="X_1201", 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_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            central_line(model, X_31, X_56, 31, 56, incident=True)
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            X_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center", "incident"])
            central_line(model, X_58, X_106, 58, 106, incident=True)
            return promote_point_to_top(model, X_1201)


        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_1201 on the given reference triangle."""
            model = create_model('X_1201 = 3rd SARAGOSSA POINT OF X_56')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01201(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-01201.json"))
            write_center_svg(
                model_acute,
                here / "x-01201.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )