X317

ISOTOMIC CONJUGATE OF X68

< 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, 69 }: Central Line L(4, 69) { 2, 95 }: Central Line L(2, 95) { 6, 297 }: Central Line L(6, 297) { 66, 290 }: Central Line L(66, 290) { 25, 325 }: Central Line L(25, 325) { 53, 524 }: Central Line L(53, 524) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_4 = ORTHOCENTER (0.6122, 0.3958) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_2 = CENTROID (0.5374, 0.2000) X_95 = CEVAPOINT OF CENTROID AND CIRCUMCENTER (0.5172, 0.1562) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_297 = -HIRST INVERSE OF X(4) (0.8440, 1.0022) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_290 = ISOGONAL CONJUGATE OF X(237) (0.7829, -0.1380) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_53 = SYMMEDIAN POINT OF ORTHIC TRIANGLE (0.6164, 0.4390) X_524 = ISOGONAL CONJUGATE OF X(111) (0.1376, -0.2297) X_317 = ISOTOMIC CONJUGATE OF X(68) (0.6796, 0.5070) A B C X68 X4 X69 X2 X95 X6 X297 X66 X290 X25 X325 X53 X524 X317 (a, b, c) = (5, 6, 7) | AB = 1

X317 (ISOTOMIC CONJUGATE OF X68) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_317 = ISOTOMIC CONJUGATE OF X_68."""

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


        def construct_x_00317(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_317 = ISOTOMIC CONJUGATE OF X_68 on reference triangle ABC."""
            X_317 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(2*A)*(csc(A))**(2)', ID="X_317", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            central_line(model, X_4, X_69, 4, 69, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_95 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*sec(B - C)', ID="X_95", classes=["center", "incident"])
            central_line(model, X_2, X_95, 2, 95, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_297 = eval_trilinear_point(model, A, B, C, 'csc(2*A)*cos(A +  omega  )', ID="X_297", classes=["center", "incident"])
            central_line(model, X_6, X_297, 6, 297, incident=True)
            return promote_point_to_top(model, X_317)


        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_317 on the given reference triangle."""
            model = create_model('X_317 = ISOTOMIC CONJUGATE OF X_68')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00317(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-00317.json"))
            write_center_svg(
                model_acute,
                here / "x-00317.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )