X3694

X579com(EXTOUCH TRIANGLE)

X3694 = excentral-to-ABC barycentric image of X579
< 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) { 10, 37 }: Central Line L(10, 37) { 9, 55 }: Central Line L(9, 55) { 71, 72 }: Central Line L(71, 72) { 78, 219 }: Central Line L(78, 219) { 281, 318 }: Central Line L(281, 318) { 306, 307 }: Central Line L(306, 307) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_9 = MITTENPUNKT (0.5110, 0.1615) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_78 = ISOGONAL CONJUGATE OF X(34) (0.3835, 0.0491) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_281 = -CROSS CONJUGATE OF X(9) (0.5796, 0.3202) X_318 = ISOTOMIC CONJUGATE OF X(77) (0.5514, 0.2839) X_306 = ISOTOMIC CONJUGATE OF X(27) (0.3924, 0.0579) X_307 = ISOTOMIC CONJUGATE OF X(29) (0.4659, 0.0959) X_3694 = com(EXTOUCH TRIANGLE) (0.3640, 0.0432) A B C X10 X37 X9 X55 X71 X72 X78 X219 X281 X318 X306 X307 X3694 (a, b, c) = (5, 6, 7) | AB = 1

X3694 (X579com(EXTOUCH TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3694 = X_579com(EXTOUCH TRIANGLE)."""

        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_barycentric_point,
            eval_trilinear_point,
            mittenpunkt_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03694(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3694 = X_579com(EXTOUCH TRIANGLE) on reference triangle ABC."""
            X_3694 = eval_barycentric_point(model, A, B, C, '(a*(b + c)*(b + c - a)*(b**(2) + c **(2) - a**(2)))', ID="X_3694", classes=["selected", "target"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_10, X_37, 10, 37, incident=True)
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            central_line(model, X_9, X_55, 9, 55, incident=True)
            X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center", "incident"])
            X_72 = eval_trilinear_point(model, A, B, C, '(b + c)*cot(A)', ID="X_72", classes=["center", "incident"])
            central_line(model, X_71, X_72, 71, 72, incident=True)
            return promote_point_to_top(model, X_3694)


        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_3694 on the given reference triangle."""
            model = create_model('X_3694 = X_579com(EXTOUCH TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03694(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-03694.json"))
            write_center_svg(
                model_acute,
                here / "x-03694.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )