X1356

BRISSE TRANSFORM OF X99

X1356 = trilinear product X57*X1084
< 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) { 56, 741 }: Central Line L(56, 741) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT (1.0071, 0.0451) X_1356 = BRISSE TRANSFORM OF X(99) (0.8033, 0.2072) A B C X56 X741 X1356 (a, b, c) = (5, 6, 7) | AB = 1

X1356 (BRISSE TRANSFORM OF X99) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1356 = BRISSE TRANSFORM OF X_99."""

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


        def construct_x_01356(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1356 = BRISSE TRANSFORM OF X_99 on reference triangle ABC."""
            X_1356 = point_from_barycentrics(model, A, B, C, 0.062797452, 0.59175443, 0.34544811, ID="X_1356", classes=["selected", "target"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_741 = eval_trilinear_point(model, A, B, C, '(1/(a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))))', ID="X_741", classes=["center", "incident"])
            central_line(model, X_56, X_741, 56, 741, incident=True)
            return promote_point_to_top(model, X_1356)


        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_1356 on the given reference triangle."""
            model = create_model('X_1356 = BRISSE TRANSFORM OF X_99')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01356(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-01356.json"))
            write_center_svg(
                model_acute,
                here / "x-01356.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )