X324

ISOTOMIC CONJUGATE OF X97

< 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, 52 }: Central Line L(4, 52) { 2, 216 }: Central Line L(2, 216) { 53, 311 }: Central Line L(53, 311) { 94, 275 }: Central Line L(94, 275) { 110, 436 }: Central Line L(110, 436) { 143, 565 }: Central Line L(143, 565) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_264 = ISOTOMIC CONJUGATE OF CIRCUMCENTER (0.5720, 0.3293) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_4 = ORTHOCENTER (0.6122, 0.3958) X_52 = ORTHOCENTER OF ORTHIC TRIANGLE (0.7155, 0.4580) X_2 = CENTROID (0.5374, 0.2000) X_216 = -CEVA CONJUGATE OF X(51) (0.5201, 0.1353) X_53 = SYMMEDIAN POINT OF ORTHIC TRIANGLE (0.6164, 0.4390) X_311 = ISOTOMIC CONJUGATE OF X(54) (0.4818, 0.1803) X_94 = ISOGONAL CONJUGATE OF X(50) (0.9069, -0.1331) X_275 = CEVAPOINT OF ORTHOCENTER AND SYMMEDIAN POINT (0.6057, 0.3473) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_436 = EULER X(48)-7th-SUBSTITUTION POINT (0.6027, 0.3709) X_143 = NINE-POINT CENTER OF ORTHIC TRIANGLE (0.6358, 0.3534) X_565 = INTERSECTION OF LINES X(49)X(93) AND X(143,324) (0.3278, 0.5134) X_324 = ISOTOMIC CONJUGATE OF X(97) (0.5855, 0.3796) A B C X264 X5 X4 X52 X2 X216 X53 X311 X94 X275 X110 X436 X143 X565 X324 (a, b, c) = (5, 6, 7) | AB = 1

X324 (ISOTOMIC CONJUGATE OF X97) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_324 = ISOTOMIC CONJUGATE OF X_97."""

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


        def construct_x_00324(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_324 = ISOTOMIC CONJUGATE OF X_97 on reference triangle ABC."""
            X_97 = eval_trilinear_point(model, A, B, C, 'cot(A)*sec(B - C)', ID="X_97", classes=["center"])
            X_324 = isotomic_conjugate(model, A, B, C, X_97, ID="X_324", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_52 = eval_trilinear_point(model, A, B, C, 'cos(2*A)*cos(B - C)', ID="X_52", classes=["center", "incident"])
            central_line(model, X_4, X_52, 4, 52, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_216 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*cos(B - C)', ID="X_216", classes=["center", "incident"])
            central_line(model, X_2, X_216, 2, 216, incident=True)
            X_53 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(B - C)', ID="X_53", classes=["center", "incident"])
            X_311 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*cos(B - C)', ID="X_311", classes=["center", "incident"])
            central_line(model, X_53, X_311, 53, 311, incident=True)
            return promote_point_to_top(model, X_324)


        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_324 on the given reference triangle."""
            model = create_model('X_324 = ISOTOMIC CONJUGATE OF X_97')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00324(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-00324.json"))
            write_center_svg(
                model_acute,
                here / "x-00324.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )