X1696

POINT ELECTRA

X1696 is the trilinear product X6*X1706
< 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) { 19, 25 }: Central Line L(19, 25) { 9, 56 }: Central Line L(9, 56) { 6, 1201 }: Central Line L(6, 1201) { 220, 1400 }: Central Line L(220, 1400) { 346, 1376 }: Central Line L(346, 1376) { 999, 1743 }: Central Line L(999, 1743) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_19 = CLAWSON POINT (0.6246, 0.4244) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_9 = MITTENPUNKT (0.5110, 0.1615) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1201 = 3rd SARAGOSSA POINT OF X(56) (0.6184, 0.2793) X_220 = -CEVA CONJUGATE OF X(55) (0.4826, 0.1278) X_1400 = -BETH CONJUGATE OF X(37) (0.6246, 0.3268) X_346 = ISOTOMIC CONJUGATE OF X(279) (0.3948, 0.0827) X_1376 = EXSIMILICENTER(CIRCUMCIRCLE, SPIEKER CIRCLE) (0.5265, 0.2074) X_999 = MIDPOINT OF X(1) AND X(57) (0.5926, 0.2722) X_1743 = MIMOSA TRANSFORM OF X(222) (0.6798, 0.3620) X_1696 = POINT ELECTRA (0.5662, 0.2450) A B C X19 X25 X9 X56 X6 X1201 X220 X1400 X346 X1376 X999 X1743 X1696 (a, b, c) = (5, 6, 7) | AB = 1

X1696 (POINT ELECTRA) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1696 = POINT ELECTRA."""

        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,
            mittenpunkt_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01696(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1696 = POINT ELECTRA on reference triangle ABC."""
            X_1696 = eval_trilinear_point(model, A, B, C, '(b + c - a*cos(A) + r*sin(A))', ID="X_1696", classes=["selected", "target"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            central_line(model, X_19, X_25, 19, 25, incident=True)
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            central_line(model, X_9, X_56, 9, 56, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_1201 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) - 2*b*c + a*b + a*c))', ID="X_1201", classes=["center", "incident"])
            central_line(model, X_6, X_1201, 6, 1201, incident=True)
            return promote_point_to_top(model, X_1696)


        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_1696 on the given reference triangle."""
            model = create_model('X_1696 = POINT ELECTRA')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01696(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-01696.json"))
            write_center_svg(
                model_acute,
                here / "x-01696.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )