X3265

ISOTOMIC CONJUGATE OF X107

< 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) { 647, 2525 }: Central Line L(647, 2525) { 325, 523 }: Central Line L(325, 523) { 441, 525 }: Central Line L(441, 525) { 99, 1304 }: Central Line L(99, 1304) { 2, 2419 }: Central Line L(2, 2419) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_647 = CROSSDIFFERENCE OF X(2) AND X(3) (4.2063, -0.5653) X_2525 = RADICAL CENTER OF {NINE-POINT, BROCARD, (X(4),2R)} CIRCLES (-9.1140, 0.7037) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_441 = COMPLEMENT OF X(297) (0.3841, -0.2011) X_525 = ISOGONAL CONJUGATE OF X(112) (-0.0468, 0.2556) X_99 = STEINER POINT (0.1109, 0.4322) X_1304 = COLLINGS TRANSFORM OF X(403) (0.7822, 0.5273) X_2 = CENTROID (0.5374, 0.2000) X_2419 = GIBERT-SIMSON TRANSFORM OF X(1297) (79.2052, 3.6384) X_3265 = ISOTOMIC CONJUGATE OF X(107) (-2.4538, 0.0692) A B C X647 X2525 X325 X523 X441 X525 X99 X1304 X2 X2419 X3265 (a, b, c) = (5, 6, 7) | AB = 1

X3265 (ISOTOMIC CONJUGATE OF X107) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3265 = ISOTOMIC CONJUGATE OF X_107."""

        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,
            midpoint,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03265(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3265 = ISOTOMIC CONJUGATE OF X_107 on reference triangle ABC."""
            X_647 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))*(b**(2) + c**(2) - a**(2))', ID="X_647", classes=["center"])
            X_2525 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(4) - c**(4))*(b**(2) + c**(2) - a**(2)))', ID="X_2525", classes=["center"])
            X_3265 = midpoint(model, X_647, X_2525, ID="X_3265", classes=["selected", "target"], guide=False)
            X_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
            X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center", "incident"])
            central_line(model, X_325, X_523, 325, 523, incident=True)
            X_441 = point_from_barycentrics(model, A, B, C, 0.74590002, 0.58940921, -0.33530923, ID="X_441", classes=["center", "incident"])
            X_525 = eval_trilinear_point(model, A, B, C, '(b*cos(B) - c*cos(C))/a', ID="X_525", classes=["center", "incident"])
            central_line(model, X_441, X_525, 441, 525, incident=True)
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_1304 = eval_trilinear_point(model, A, B, C, '(sin(A))/((tan(B) - tan(C))*(tan(B) + tan(C) - 2*tan(A)))', ID="X_1304", classes=["center", "incident"])
            central_line(model, X_99, X_1304, 99, 1304, incident=True)
            return promote_point_to_top(model, X_3265)


        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_3265 on the given reference triangle."""
            model = create_model('X_3265 = ISOTOMIC CONJUGATE OF X_107')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03265(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-03265.json"))
            write_center_svg(
                model_acute,
                here / "x-03265.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )