X1016

X1-CROSS CONJUGATE OF X99

< 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) { 190, 514 }: Central Line L(190, 514) { 238, 519 }: Central Line L(238, 519) { 100, 667 }: Central Line L(100, 667) { 99, 813 }: Central Line L(99, 813) { 512, 660 }: Central Line L(512, 660) { 644, 666 }: Central Line L(644, 666) 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_99 = STEINER POINT (0.1109, 0.4322) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_514 = ISOGONAL CONJUGATE OF X(101) (1.0761, -0.0329) X_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_667 = CROSSDIFFERENCE OF X(2) AND X(37) (-6.1667, 5.7155) X_813 = o-(- 1, 1) CIRCUMCIRCLE POINT (0.9721, -0.0916) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_660 = TRILINEAR POLE OF LINE X(1)X(39) (0.9483, -0.0755) X_644 = TRILINEAR MULTIPLIER FOR YFF PARABOLA (-0.0171, 0.3359) X_666 = TRILINEAR POLE OF LINE X(2)X(11) (1.0982, 0.1428) X_1016 = -CROSS CONJUGATE OF X(99) (0.3832, 0.2666) A B C X1 X99 X190 X514 X238 X519 X100 X667 X813 X512 X660 X644 X666 X1016 (a, b, c) = (5, 6, 7) | AB = 1

X1016 (X1-CROSS CONJUGATE OF X99) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1016 = X_1-CROSS CONJUGATE OF X_99."""

        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,
            eval_trilinear_point,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01016(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1016 = X_1-CROSS CONJUGATE OF X_99 on reference triangle ABC."""
            X_1015 = eval_trilinear_point(model, A, B, C, 'a*(b - c)**(2)', ID="X_1015", classes=["center"])
            X_1016 = isogonal_conjugate(model, A, B, C, X_1015, ID="X_1016", classes=["selected", "target"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            central_line(model, X_190, X_514, 190, 514, incident=True)
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center", "incident"])
            X_519 = eval_trilinear_point(model, A, B, C, '(2*a - b - c)/a', ID="X_519", classes=["center", "incident"])
            central_line(model, X_238, X_519, 238, 519, incident=True)
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_667 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b - c)', ID="X_667", classes=["center", "incident"])
            central_line(model, X_100, X_667, 100, 667, incident=True)
            return promote_point_to_top(model, X_1016)


        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_1016 on the given reference triangle."""
            model = create_model('X_1016 = X_1-CROSS CONJUGATE OF X_99')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01016(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-01016.json"))
            write_center_svg(
                model_acute,
                here / "x-01016.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )