X3201

X54-CEVA CONJUGATE OF X16

< 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) { 17, 54 }: Central Line L(17, 54) { 49, 61 }: Central Line L(49, 61) { 14, 110 }: Central Line L(14, 110) { 15, 184 }: Central Line L(15, 184) { 203, 215 }: Central Line L(203, 215) { 62, 1147 }: Central Line L(62, 1147) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_54 = KOSNITA POINT (0.5880, 0.2176) X_16 = 2nd ISODYNAMIC POINT (1.8453, 2.3239) X_17 = 1st NAPOLEON POINT (0.5666, 0.2383) X_49 = CENTER OF SINE-TRIPLE-ANGLE CIRCLE (0.6275, 0.1789) X_61 = ISOGONAL CONJUGATE OF X(17) (0.5764, 0.2283) X_14 = 2nd ISOGONIC CENTER (0.9134, -0.1143) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_15 = 1st ISODYNAMIC POINT (0.5519, 0.1878) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_203 = -CEVA CONJUGATE OF X(16) (0.4136, 0.3918) X_215 = -CEVA CONJUGATE OF X(50) (0.4113, 0.3887) X_62 = ISOGONAL CONJUGATE OF X(18) (0.6446, 0.3409) X_1147 = ISOGONAL CONJUGATE OF X(847) (0.8329, 0.3027) X_3201 = -CEVA CONJUGATE OF X(16) (0.4110, 0.3883) A B C X54 X16 X17 X49 X61 X14 X110 X15 X184 X203 X215 X62 X1147 X3201 (a, b, c) = (5, 6, 7) | AB = 1

X3201 (X54-CEVA CONJUGATE OF X16) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3201 = X_54-CEVA CONJUGATE OF X_16."""

        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,
            crosspoint,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03201(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3201 = X_54-CEVA CONJUGATE OF X_16 on reference triangle ABC."""
            X_16 = eval_trilinear_point(model, A, B, C, 'sin(A-  pi  /3)', ID="X_16", classes=["center"])
            X_61 = eval_trilinear_point(model, A, B, C, 'sin(A +  pi  /6)', ID="X_61", classes=["center"])
            X_3201 = crosspoint(model, A, B, C, X_16, X_61, ID="X_3201", classes=["selected", "target"])
            X_17 = eval_trilinear_point(model, A, B, C, 'csc(A +  pi  /6)', ID="X_17", classes=["center", "incident"])
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center", "incident"])
            central_line(model, X_17, X_54, 17, 54, incident=True)
            X_49 = eval_trilinear_point(model, A, B, C, 'cos(3*A)', ID="X_49", classes=["center", "incident"])
            central_line(model, X_49, X_61, 49, 61, incident=True)
            X_14 = eval_trilinear_point(model, A, B, C, 'csc(A -  pi  /3)', ID="X_14", classes=["center", "incident"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            central_line(model, X_14, X_110, 14, 110, incident=True)
            return promote_point_to_top(model, X_3201)


        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_3201 on the given reference triangle."""
            model = create_model('X_3201 = X_54-CEVA CONJUGATE OF X_16')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03201(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-03201.json"))
            write_center_svg(
                model_acute,
                here / "x-03201.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )