X3323

INCIRCLE TRANSFORM T(X692)

< 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) incircle: Incircle of △ABC { 7, 840 }: Central Line L(7, 840) { 348, 1083 }: Central Line L(348, 1083) { 514, 1358 }: Central Line L(514, 1358) { 518, 1362 }: Central Line L(518, 1362) { 56, 2725 }: Central Line L(56, 2725) { 55, 2736 }: Central Line L(55, 2736) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_7 = GERGONNE POINT (0.5903, 0.2769) X_840 = ISOGONAL CONJUGATE OF X(528) (0.0800, 0.3919) X_348 = ISOTOMIC CONJUGATE OF X(281) (0.4854, 0.1069) X_1083 = MIDPOINT OF X(105) AND X(644) (0.4771, 0.1213) X_514 = ISOGONAL CONJUGATE OF X(101) (1.0761, -0.0329) X_1358 = BRISSE TRANSFORM OF X(101) (0.7869, 0.1440) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_1362 = BRISSE TRANSFORM OF X(105) (0.4408, 0.4266) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_2725 = SR(X(101), X(105)) (0.0347, 0.3116) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_2736 = SR(X(103), X(105)) (0.9653, -0.1075) X_3323 = INCIRCLE TRANSFORM T(X(692)) (0.3587, 0.3291) A B C X1 X7 X840 X348 X1083 X514 X1358 X518 X1362 X56 X2725 X55 X2736 X3323 (a, b, c) = (5, 6, 7) | AB = 1

X3323 (INCIRCLE TRANSFORM T(X692)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3323 = INCIRCLE TRANSFORM T(X_692)."""

        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,
            gergonne_point_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03323(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3323 = INCIRCLE TRANSFORM T(X_692) on reference triangle ABC."""
            X_3323 = eval_barycentric_point(model, A, B, C, '((b - c)**(2)*(b**(2) + c**(2) - a*b - a*c)**(2)/(b + c - a))', ID="X_3323", classes=["selected", "target"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            X_840 = point_from_barycentrics(model, A, B, C, 0.66666667, -0.32, 0.65333333, ID="X_840", classes=["center", "incident"])
            central_line(model, X_7, X_840, 7, 840, incident=True)
            X_348 = eval_trilinear_point(model, A, B, C, 'cot(A)*(sec(A/2))**(2)', ID="X_348", classes=["center", "incident"])
            X_1083 = eval_trilinear_point(model, A, B, C, 'a**(4) - a**(3)*(b + c) - a**(2)*b*c + 2*a*b*c*(b + c) - b*c*(b**(2) + c**(2))', ID="X_1083", classes=["center", "incident"])
            central_line(model, X_348, X_1083, 348, 1083, incident=True)
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            X_1358 = eval_trilinear_point(model, A, B, C, '(tan(A/2))**(2)*(sin(B/2 - C/2))**(2)', ID="X_1358", classes=["center", "incident"])
            central_line(model, X_514, X_1358, 514, 1358, incident=True)
            return promote_point_to_top(model, X_3323)


        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_3323 on the given reference triangle."""
            model = create_model('X_3323 = INCIRCLE TRANSFORM T(X_692)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03323(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-03323.json"))
            write_center_svg(
                model_acute,
                here / "x-03323.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )