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X₁₆₁₈¶

TCC-PERSPECTOR OF X₅₉

X₁₆₁₈ is the tcc-perspector of X₅₉.

X₁₆₁₈ (TCC-PERSPECTOR OF X₅₉) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1618 = TCC-PERSPECTOR OF X_59."""

        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,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01618(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1618 = TCC-PERSPECTOR OF X_59 on reference triangle ABC."""
            X_59 = eval_trilinear_point(model, A, B, C, '1/(1 - cos(B - C))', ID="X_59", classes=["center"])
            X_692 = eval_trilinear_point(model, A, B, C, 'a**(2)/(b - c)', ID="X_692", classes=["center"])
            X_1618 = reflection_in_point(model, X_59, X_692, ID="X_1618", classes=["selected", "target"], guide=False)
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_901 = eval_trilinear_point(model, A, B, C, 'a/((b - c)*(b + c - 2*a))', ID="X_901", classes=["center", "incident"])
            central_line(model, X_110, X_901, 110, 901, incident=True)
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            X_651 = eval_trilinear_point(model, A, B, C, '1/(cos(B) - cos(C))', ID="X_651", classes=["center", "incident"])
            central_line(model, X_513, X_651, 513, 651, incident=True)
            X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
            X_1459 = eval_trilinear_point(model, A, B, C, '(b - c)*cos(A)', ID="X_1459", classes=["center", "incident"])
            central_line(model, X_109, X_1459, 109, 1459, incident=True)
            return promote_point_to_top(model, X_1618)


        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_1618 on the given reference triangle."""
            model = create_model('X_1618 = TCC-PERSPECTOR OF X_59')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01618(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-01618.json"))
            write_center_svg(
                model_acute,
                here / "x-01618.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1618¶

X₁₆₁₈¶