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X₁₆₂₀¶

TCC-PERSPECTOR OF X₆₄

X₁₆₂₀ is the tcc-perspector of X₆₄.

X₁₆₂₀ (TCC-PERSPECTOR OF X₆₄) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1620 = TCC-PERSPECTOR OF X_64."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            intersect_lines,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01620(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1620 = TCC-PERSPECTOR OF X_64 on reference triangle ABC."""
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_154 = eval_trilinear_point(model, A, B, C, '(cos(A) - cos(B)*cos(C))*a**(2)', ID="X_154", classes=["center"])
            X_1204 = eval_barycentric_point(model, A, B, C, 'a**(2)*(a**(2) - b**(2) - c**(2))*(a**(6) - 3*a**(2)*(b**(2) - c**(2))**(2) + 2*(b**(2) - c**(2))**(2)*(b**(2) + c**(2)))', ID="X_1204", classes=["center"])
            central_line(model, X_3, X_6, 3, 6)
            central_line(model, X_154, X_1204, 154, 1204)
            X_1620 = intersect_lines(model, X_3, X_6, X_154, X_1204, ID="X_1620", classes=["selected", "target"])
            X_186 = eval_trilinear_point(model, A, B, C, '4*cos(A) - sec(A)', ID="X_186", classes=["center", "incident"])
            X_1498 = eval_trilinear_point(model, A, B, C, '(sin(A))*((tan(B))**(2) + (tan(C))**(2) - (tan(A))**(2))', ID="X_1498", classes=["center", "incident"])
            central_line(model, X_186, X_1498, 186, 1498, incident=True)
            return promote_point_to_top(model, X_1620)


        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_1620 on the given reference triangle."""
            model = create_model('X_1620 = TCC-PERSPECTOR OF X_64')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01620(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-01620.json"))
            write_center_svg(
                model_acute,
                here / "x-01620.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1620¶

X₁₆₂₀¶