X3714

X386com(EXTOUCH TRIANGLE)

X3714 = excentral-to-ABC barycentric image of X386
< 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) { 8, 210 }: Central Line L(8, 210) { 12, 306 }: Central Line L(12, 306) { 65, 321 }: Central Line L(65, 321) { 72, 1089 }: Central Line L(72, 1089) { 536, 986 }: Central Line L(536, 986) 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_8 = NAGEL POINT (0.4694, 0.1333) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_306 = ISOTOMIC CONJUGATE OF X(27) (0.3924, 0.0579) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_1089 = TRILINEAR SQUARE OF X(10) (0.4606, 0.1381) X_536 = DIRECTION OF VECTOR AX + BX + CX, where X = X(37) (0.0840, -0.1727) X_986 = INTERSECTION OF LINES X(1)X(3) AND X(8)X(38) (0.5588, 0.2101) X_3714 = com(EXTOUCH TRIANGLE) (0.4560, 0.1256) A B C X10 X37 X8 X210 X12 X306 X65 X321 X72 X1089 X536 X986 X3714 (a, b, c) = (5, 6, 7) | AB = 1

X3714 (X386com(EXTOUCH TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3714 = X_386com(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,
            nagel_point_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03714(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3714 = X_386com(EXTOUCH TRIANGLE) on reference triangle ABC."""
            X_3714 = eval_barycentric_point(model, A, B, C, '((b + c)*(b + c - a)*(a**(2) + a*b + a*c + 2*b*c))', ID="X_3714", 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_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_8, X_210, 8, 210, incident=True)
            X_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
            X_306 = eval_trilinear_point(model, A, B, C, '(b**(2)*c**(2))*(b + c)*cos(A)', ID="X_306", classes=["center", "incident"])
            central_line(model, X_12, X_306, 12, 306, incident=True)
            return promote_point_to_top(model, X_3714)


        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_3714 on the given reference triangle."""
            model = create_model('X_3714 = X_386com(EXTOUCH TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03714(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-03714.json"))
            write_center_svg(
                model_acute,
                here / "x-03714.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )