X3194

X29-CEVA CONJUGATE OF X28

< 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) { 4, 6 }: Van Aubel Line { 28, 34 }: Central Line L(28, 34) { 29, 81 }: Central Line L(29, 81) { 73, 108 }: Central Line L(73, 108) { 1, 204 }: Central Line L(1, 204) { 196, 221 }: Central Line L(196, 221) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_29 = CEVAPOINT OF INCENTER AND ORTHOCENTER (0.5903, 0.3384) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_4 = ORTHOCENTER (0.6122, 0.3958) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_34 = -BETH CONJUGATE OF X(4) (0.6332, 0.4792) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_73 = CROSSPOINT OF INCENTER AND CIRCUMCENTER (0.5487, 0.1428) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_1 = INCENTER (0.5714, 0.2333) X_204 = -CEVA CONJUGATE OF X(19) (0.6683, 3.3982) X_196 = -CEVA CONJUGATE OF X(4) (0.5649, -0.1989) X_221 = -CEVA CONJUGATE OF X(56) (0.5474, -0.0688) X_3194 = -CEVA CONJUGATE OF X(28) (0.5594, -0.1585) A B C X29 X28 X4 X6 X34 X81 X73 X108 X1 X204 X196 X221 X3194 (a, b, c) = (5, 6, 7) | AB = 1

X3194 (X29-CEVA CONJUGATE OF X28) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3194 = X_29-CEVA CONJUGATE OF X_28."""

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


        def construct_x_03194(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3194 = X_29-CEVA CONJUGATE OF X_28 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center"])
            X_34 = eval_trilinear_point(model, A, B, C, '1 - sec(A)', ID="X_34", classes=["center"])
            central_line(model, X_4, X_6, 4, 6)
            central_line(model, X_28, X_34, 28, 34)
            X_3194 = intersect_lines(model, X_4, X_6, X_28, X_34, ID="X_3194", classes=["selected", "target"])
            X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
            X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center", "incident"])
            central_line(model, X_29, X_81, 29, 81, incident=True)
            return promote_point_to_top(model, X_3194)


        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_3194 on the given reference triangle."""
            model = create_model('X_3194 = X_29-CEVA CONJUGATE OF X_28')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03194(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-03194.json"))
            write_center_svg(
                model_acute,
                here / "x-03194.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )