X2303

X2-ISOCONJUGATE OF X1245

< 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) { 2, 6 }: Centroid–Symmedian Line { 1, 19 }: Central Line L(1, 19) { 21, 37 }: Central Line L(21, 37) { 9, 58 }: Central Line L(9, 58) { 71, 171 }: Central Line L(71, 171) { 241, 1014 }: Central Line L(241, 1014) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1 = INCENTER (0.5714, 0.2333) X_19 = CLAWSON POINT (0.6246, 0.4244) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_9 = MITTENPUNKT (0.5110, 0.1615) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_171 = {X(2), X(31)}-HARMONIC CONJUGATE OF X(238) (0.5819, 0.2525) X_241 = -LINE CONJUGATE OF X(55) (1.1217, 1.2442) X_1014 = ISOGONAL CONJUGATE OF X(210) (0.6222, 0.3285) X_2303 = -ISOCONJUGATE OF X(1245) (0.5727, 0.2379) A B C X2 X6 X1 X19 X21 X37 X9 X58 X71 X171 X241 X1014 X2303 (a, b, c) = (5, 6, 7) | AB = 1

X2303 (X2-ISOCONJUGATE OF X1245) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2303 = X_2-ISOCONJUGATE OF X_1245."""

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


        def construct_x_02303(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2303 = X_2-ISOCONJUGATE OF X_1245 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center"])
            central_line(model, X_2, X_6, 2, 6)
            central_line(model, X_1, X_19, 1, 19)
            X_2303 = intersect_lines(model, X_2, X_6, X_1, X_19, ID="X_2303", classes=["selected", "target"])
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_21, X_37, 21, 37, incident=True)
            return promote_point_to_top(model, X_2303)


        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_2303 on the given reference triangle."""
            model = create_model('X_2303 = X_2-ISOCONJUGATE OF X_1245')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02303(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-02303.json"))
            write_center_svg(
                model_acute,
                here / "x-02303.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )