X3202

X54-CEVA CONJUGATE OF X32

< 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) { 76, 110 }: Central Line L(76, 110) { 39, 184 }: Central Line L(39, 184) { 26, 206 }: Central Line L(26, 206) { 156, 2782 }: Central Line L(156, 2782) { 49, 3095 }: Central Line L(49, 3095) { 1916, 3044 }: Central Line L(1916, 3044) 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_32 = 3rd POWER POINT (0.6400, 0.3332) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_26 = CIRCUMCENTER OF THE TANGENTIAL TRIANGLE (0.1382, -0.8447) X_206 = -CEVA CONJUGATE OF X(32) (0.5105, -0.2297) X_156 = -OF-TANGENTIAL-TRIANGLE (0.6520, -0.1707) X_2782 = ISOGONAL CONJUGATE OF X(2698) (0.9849, -0.1797) X_49 = CENTER OF SINE-TRIPLE-ANGLE CIRCLE (0.6275, 0.1789) X_3095 = INTERSECTION OF LINES X(3)X(6) AND X(5)X(76) (0.6556, 0.3590) X_1916 = TRILINEAR POLE OF PU(11) (1.0447, 0.0288) X_3044 = INTERSECTION X(54)X(114)∩X(99)X(184) (0.8676, -0.0249) X_3202 = -CEVA CONJUGATE OF X(32) (0.5821, -0.1114) A B C X54 X32 X76 X110 X39 X184 X26 X206 X156 X2782 X49 X3095 X1916 X3044 X3202 (a, b, c) = (5, 6, 7) | AB = 1

X3202 (X54-CEVA CONJUGATE OF X32) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3202 = X_54-CEVA CONJUGATE OF X_32."""

        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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03202(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3202 = X_54-CEVA CONJUGATE OF X_32 on reference triangle ABC."""
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center"])
            X_3202 = ceva_conjugate(model, A, B, C, X_54, X_32, ID="X_3202", classes=["selected", "target"])
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", 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_76, X_110, 76, 110, incident=True)
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_39, X_184, 39, 184, incident=True)
            X_26 = eval_trilinear_point(model, A, B, C, 'a*(b**(2)*cos(2*B) + c**(2)*cos(2*C) - a**(2)*cos(2*A))', ID="X_26", classes=["center", "incident"])
            X_206 = eval_trilinear_point(model, A, B, C, 'a**(3)*(b**(4) + c**(4) - a**(4))', ID="X_206", classes=["center", "incident"])
            central_line(model, X_26, X_206, 26, 206, incident=True)
            return promote_point_to_top(model, X_3202)


        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_3202 on the given reference triangle."""
            model = create_model('X_3202 = X_54-CEVA CONJUGATE OF X_32')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03202(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-03202.json"))
            write_center_svg(
                model_acute,
                here / "x-03202.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )