X2292

X2-ISOCONJUGATE OF X1169

< 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) { 2650, 1 }: Central Line L(2650, 1) { 1, 21 }: Central Line L(1, 21) { 37, 65 }: Central Line L(37, 65) { 42, 72 }: Central Line L(42, 72) { 8, 192 }: Central Line L(8, 192) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2650 = SUM OF PU(81) (0.5919, 0.2602) X_1 = INCENTER (0.5714, 0.2333) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_8 = NAGEL POINT (0.4694, 0.1333) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) X_2292 = -ISOCONJUGATE OF X(1169) (0.5509, 0.2064) A B C X2650 X1 X21 X37 X65 X42 X72 X8 X192 X2292 (a, b, c) = (5, 6, 7) | AB = 1

X2292 (X2-ISOCONJUGATE OF X1169) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2292 = X_2-ISOCONJUGATE OF X_1169."""

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


        def construct_x_02292(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2292 = X_2-ISOCONJUGATE OF X_1169 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center"])
            X_65 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C)', ID="X_65", classes=["center"])
            central_line(model, X_1, X_21, 1, 21)
            central_line(model, X_37, X_65, 37, 65)
            X_2292 = intersect_lines(model, X_1, X_21, X_37, X_65, ID="X_2292", classes=["selected", "target"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_72 = eval_trilinear_point(model, A, B, C, '(b + c)*cot(A)', ID="X_72", classes=["center", "incident"])
            central_line(model, X_42, X_72, 42, 72, incident=True)
            return promote_point_to_top(model, X_2292)


        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_2292 on the given reference triangle."""
            model = create_model('X_2292 = X_2-ISOCONJUGATE OF X_1169')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02292(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-02292.json"))
            write_center_svg(
                model_acute,
                here / "x-02292.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )