X3244

REFLECTION OF X10 IN X1

X3244 is the reflection of X10 in X1.
< 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, 1 }: Nagel Line { 1, 2 }: Nagel Line { 58, 643 }: Central Line L(58, 643) { 382, 515 }: Central Line L(382, 515) { 517, 550 }: Central Line L(517, 550) 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_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_643 = TRILINEAR MULTIPLIER FOR KIEPERT PARABOLA (0.0142, 0.3704) X_382 = REFLECTION OF CIRCUMCENTER IN ORTHOCENTER (0.7245, 0.6894) X_515 = ISOGONAL CONJUGATE OF X(102) (0.6804, 0.7691) X_517 = ISOGONAL CONJUGATE OF X(104) (0.8180, 0.7154) X_550 = MIDPOINT OF X(3) AND X(20) (0.4439, -0.0448) X_3244 = REFLECTION OF X(10) IN X(1) (0.6224, 0.2833) A B C X10 X1 X2 X58 X643 X382 X515 X517 X550 X3244 (a, b, c) = (5, 6, 7) | AB = 1

X3244 (REFLECTION OF X10 IN X1) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3244 = REFLECTION OF X_10 IN X_1."""

        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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            midpoint,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03244(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3244 = REFLECTION OF X_10 IN X_1 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_145 = eval_trilinear_point(model, A, B, C, 'b*c*(3*a - b - c)', ID="X_145", classes=["center"])
            X_3244 = midpoint(model, X_1, X_145, ID="X_3244", classes=["selected", "target"], guide=False)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_1, X_2, 1, 2, incident=True)
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            X_643 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(b**(2) - c**(2)))', ID="X_643", classes=["center", "incident"])
            central_line(model, X_58, X_643, 58, 643, incident=True)
            X_382 = eval_trilinear_point(model, A, B, C, 'cos(A) - 4*cos(B)*cos(C)', ID="X_382", classes=["center", "incident"])
            X_515 = eval_trilinear_point(model, A, B, C, '(b + c)*sec(A) - b*sec(B) - c*sec(C)', ID="X_515", classes=["center", "incident"])
            central_line(model, X_382, X_515, 382, 515, incident=True)
            return promote_point_to_top(model, X_3244)


        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_3244 on the given reference triangle."""
            model = create_model('X_3244 = REFLECTION OF X_10 IN X_1')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03244(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-03244.json"))
            write_center_svg(
                model_acute,
                here / "x-03244.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )