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X₃₆₁₃¶

ISOTOMIC CONJUGATE OF X₁₀₇₈

X₃₆₁₃ is the isotomic conjugate of X₁₀₇₈.

X₃₆₁₃ (ISOTOMIC CONJUGATE OF X₁₀₇₈) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_3613 = ISOTOMIC CONJUGATE OF X_1078."""

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


        def construct_x_03613(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3613 = ISOTOMIC CONJUGATE OF X_1078 on reference triangle ABC."""
            X_1078 = eval_trilinear_point(model, A, B, C, '(b*c*(b**(2)*c**(2) + c**(2)*a**(2) + a**(2)*b**(2) - a**(4)))', ID="X_1078", classes=["center"])
            X_3613 = isotomic_conjugate(model, A, B, C, X_1078, ID="X_3613", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            central_line(model, X_5, X_141, 5, 141, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_160 = eval_trilinear_point(model, A, B, C, '(a*((b**(2) + c**(2))*sin(2*A) + (c**(2) - a**(2))*sin(2*B) + (b**(2) - a**(2))*sin(2*C)))', ID="X_160", classes=["center", "incident"])
            central_line(model, X_4, X_160, 4, 160, incident=True)
            X_53 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(B - C)', ID="X_53", classes=["center", "incident"])
            X_232 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(A +  omega  )', ID="X_232", classes=["center", "incident"])
            central_line(model, X_53, X_232, 53, 232, incident=True)
            return promote_point_to_top(model, X_3613)


        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_3613 on the given reference triangle."""
            model = create_model('X_3613 = ISOTOMIC CONJUGATE OF X_1078')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03613(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-03613.json"))
            write_center_svg(
                model_acute,
                here / "x-03613.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X3613¶

X₃₆₁₃¶