X3353

X20-CEVA CONJUGATE OF X84

X3353 = reflection of X3347 in X3
< 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) { 3347, 3 }: Central Line L(3347, 3) { 64, 84 }: Central Line L(64, 84) { 4, 282 }: Central Line L(4, 282) { 1, 3346 }: Central Line L(1, 3346) { 40, 3348 }: Central Line L(40, 3348) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3347 = ISOGONAL CONJUGATE OF X(3182) (0.3848, -0.3283) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_4 = ORTHOCENTER (0.6122, 0.3958) X_282 = -CROSS CONJUGATE OF X(9) (0.6199, 0.7507) X_1 = INCENTER (0.5714, 0.2333) X_3346 = ISOGONAL CONJUGATE OF X(1498) (0.4165, -0.8255) X_40 = BEVAN POINT (0.4286, -0.0292) X_3348 = ISOGONAL CONJUGATE OF X(3183) (0.4000, -0.1150) X_3353 = -CEVA CONJUGATE OF X(84) (0.6152, 0.5324) A B C X3347 X3 X64 X84 X4 X282 X1 X3346 X40 X3348 X3353 (a, b, c) = (5, 6, 7) | AB = 1

X3353 (X20-CEVA CONJUGATE OF X84) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3353 = X_20-CEVA CONJUGATE OF X_84."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03353(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3353 = X_20-CEVA CONJUGATE OF X_84 on reference triangle ABC."""
            X_3347 = point_from_barycentrics(model, A, B, C, 0.82737762, 0.71982677, -0.54720439, ID="X_3347", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_3353 = reflection_in_point(model, X_3347, X_3, ID="X_3353", classes=["selected", "target"], guide=False)
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center", "incident"])
            X_84 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A) - 1)', ID="X_84", classes=["center", "incident"])
            central_line(model, X_64, X_84, 64, 84, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_282 = eval_trilinear_point(model, A, B, C, '(cot(A/2))/(-1 - cos(A) + cos(B) + cos(C))', ID="X_282", classes=["center", "incident"])
            central_line(model, X_4, X_282, 4, 282, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_3346 = eval_trilinear_point(model, A, B, C, '1/((sin(A))*((tan(A))**(2) - (tan(B))**(2) - (tan(C))**(2)))', ID="X_3346", classes=["center", "incident"])
            central_line(model, X_1, X_3346, 1, 3346, incident=True)
            return promote_point_to_top(model, X_3353)


        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_3353 on the given reference triangle."""
            model = create_model('X_3353 = X_20-CEVA CONJUGATE OF X_84')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03353(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-03353.json"))
            write_center_svg(
                model_acute,
                here / "x-03353.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )