X1365

BRISSE TRANSFORM OF X110

< 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, 759 }: Central Line L(56, 759) { 125, 1109 }: Central Line L(125, 1109) { 1086, 1357 }: Central Line L(1086, 1357) { 1283, 1284 }: Central Line L(1283, 1284) { 7, 1366 }: Central Line L(7, 1366) 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_759 = EVEN (1, 3) CIRCUMCIRCLE POINT (0.9498, -0.1389) X_125 = CENTER OF JERABEK HYPERBOLA (0.6803, 0.0260) X_1109 = TRILINEAR SQUARE OF X(523) (0.7246, 0.0705) X_1086 = CENTER OF HYPERBOLA {{A,B,C,X(2),X(7)|} (0.7687, 0.1000) X_1357 = BRISSE TRANSFORM OF X(100) (0.8000, 0.1866) X_1283 = 7th SHARYGIN POINT (0.7481, 0.0125) X_1284 = 8th SHARYGIN POINT (0.9846, 0.9156) X_7 = GERGONNE POINT (0.5903, 0.2769) X_1366 = BRISSE TRANSFORM OF X(111) (0.4238, 0.4139) X_1365 = BRISSE TRANSFORM OF X(110) (0.7771, 0.1231) A B C X56 X759 X125 X1109 X1086 X1357 X1283 X1284 X7 X1366 X1365 (a, b, c) = (5, 6, 7) | AB = 1

X1365 (BRISSE TRANSFORM OF X110) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1365 = BRISSE TRANSFORM OF X_110."""

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


        def construct_x_01365(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1365 = BRISSE TRANSFORM OF X_110 on reference triangle ABC."""
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center"])
            X_759 = eval_trilinear_point(model, A, B, C, '(1/(a**(0)*(b**(3) + c**(3)) - a**(2)*(b**(1) + c**(1))))', ID="X_759", classes=["center"])
            X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center"])
            X_1109 = eval_trilinear_point(model, A, B, C, '(sin(B - C))**(2)', ID="X_1109", classes=["center"])
            central_line(model, X_56, X_759, 56, 759)
            central_line(model, X_125, X_1109, 125, 1109)
            X_1365 = intersect_lines(model, X_56, X_759, X_125, X_1109, ID="X_1365", classes=["selected", "target"])
            X_1086 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)**(2))', ID="X_1086", classes=["center", "incident"])
            X_1357 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)*(b - c)**(2)*(a**(2) - (b - c)**(2))**(2)', ID="X_1357", classes=["center", "incident"])
            central_line(model, X_1086, X_1357, 1086, 1357, incident=True)
            return promote_point_to_top(model, X_1365)


        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_1365 on the given reference triangle."""
            model = create_model('X_1365 = BRISSE TRANSFORM OF X_110')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01365(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-01365.json"))
            write_center_svg(
                model_acute,
                here / "x-01365.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )