X1045

X42-CEVA CONJUGATE OF X1

< 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) { 9, 43 }: Central Line L(9, 43) { 1, 75 }: Central Line L(1, 75) { 40, 511 }: Central Line L(40, 511) { 42, 894 }: Central Line L(42, 894) { 192, 869 }: Central Line L(192, 869) { 190, 872 }: Central Line L(190, 872) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_1 = INCENTER (0.5714, 0.2333) X_9 = MITTENPUNKT (0.5110, 0.1615) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_40 = BEVAN POINT (0.4286, -0.0292) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_894 = ISOGONAL CONJUGATE OF X(893) (0.5501, 0.2184) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) X_869 = INTERSECTION OF LINES X(1)X(2) AND X(31)X(32) (0.6039, 0.2651) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_872 = INTERSECTION OF LINES X(37)X(42) AND X(43)X(75) (0.6029, 0.2656) X_1045 = -CEVA CONJUGATE OF X(1) (0.6065, 0.2647) A B C X42 X1 X9 X43 X75 X40 X511 X894 X192 X869 X190 X872 X1045 (a, b, c) = (5, 6, 7) | AB = 1

X1045 (X42-CEVA CONJUGATE OF X1) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1045 = X_42-CEVA CONJUGATE 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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            mittenpunkt_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01045(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1045 = X_42-CEVA CONJUGATE OF X_1 on reference triangle ABC."""
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_1045 = ceva_conjugate(model, A, B, C, X_42, X_1, ID="X_1045", classes=["selected", "target"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
            central_line(model, X_9, X_43, 9, 43, incident=True)
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            central_line(model, X_1, X_75, 1, 75, incident=True)
            X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_40, X_511, 40, 511, incident=True)
            return promote_point_to_top(model, X_1045)


        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_1045 on the given reference triangle."""
            model = create_model('X_1045 = X_42-CEVA CONJUGATE OF X_1')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01045(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-01045.json"))
            write_center_svg(
                model_acute,
                here / "x-01045.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )