X610

X63-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) { 3, 9 }: Central Line L(3, 9) { 1, 19 }: Central Line L(1, 19) { 6, 57 }: Central Line L(6, 57) { 71, 165 }: Central Line L(71, 165) { 40, 219 }: Central Line L(40, 219) { 159, 197 }: Central Line L(159, 197) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_1 = INCENTER (0.5714, 0.2333) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_9 = MITTENPUNKT (0.5110, 0.1615) X_19 = CLAWSON POINT (0.6246, 0.4244) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_165 = CENTROID OF THE EXCENTRAL TRIANGLE (0.4762, 0.0583) X_40 = BEVAN POINT (0.4286, -0.0292) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_159 = -OF-TANGENTIAL-TRIANGLE (0.4211, -0.7266) X_197 = -CEVA CONJUGATE OF X(6) (0.4333, -0.1633) X_610 = -CEVA CONJUGATE OF X(1) (0.4310, -0.2713) A B C X63 X1 X3 X9 X19 X6 X57 X71 X165 X40 X219 X159 X197 X610 (a, b, c) = (5, 6, 7) | AB = 1

X610 (X63-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_610 = X_63-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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            mittenpunkt_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00610(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_610 = X_63-CEVA CONJUGATE OF X_1 on reference triangle ABC."""
            X_610 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C) - tan(A)', ID="X_610", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            central_line(model, X_3, X_9, 3, 9, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            central_line(model, X_1, X_19, 1, 19, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            central_line(model, X_6, X_57, 6, 57, incident=True)
            return promote_point_to_top(model, X_610)


        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_610 on the given reference triangle."""
            model = create_model('X_610 = X_63-CEVA CONJUGATE OF X_1')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00610(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-00610.json"))
            write_center_svg(
                model_acute,
                here / "x-00610.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )