X1095

TRILINEAR SQUARE OF X16

< 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) { 16, 36 }: Central Line L(16, 36) { 48, 163 }: Central Line L(48, 163) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_16 = 2nd ISODYNAMIC POINT (1.8453, 2.3239) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_163 = TRILINEAR PRODUCT X(6)*X(110) (0.3174, 0.5883) X_1095 = TRILINEAR SQUARE OF X(16) (0.4127, 0.3906) A B C X16 X36 X48 X163 X1095 (a, b, c) = (5, 6, 7) | AB = 1

X1095 (TRILINEAR SQUARE OF X16) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1095 = TRILINEAR SQUARE OF X_16."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01095(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1095 = TRILINEAR SQUARE OF X_16 on reference triangle ABC."""
            X_1095 = eval_trilinear_point(model, A, B, C, '((sin(A -  pi  /3))**(2))', ID="X_1095", classes=["selected", "target"])
            X_16 = eval_trilinear_point(model, A, B, C, 'sin(A-  pi  /3)', ID="X_16", classes=["center", "incident"])
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
            central_line(model, X_16, X_36, 16, 36, incident=True)
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            X_163 = eval_trilinear_point(model, A, B, C, '(sin(2*A))/(sin(2*B) - sin(2*C))', ID="X_163", classes=["center", "incident"])
            central_line(model, X_48, X_163, 48, 163, incident=True)
            return promote_point_to_top(model, X_1095)


        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_1095 on the given reference triangle."""
            model = create_model('X_1095 = TRILINEAR SQUARE OF X_16')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01095(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-01095.json"))
            write_center_svg(
                model_acute,
                here / "x-01095.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )