X1569

MOSES-CIRCLE ANTIPODE OF X115

X1569 is the moses-circle antipode of X115.
< 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) { 99, 194 }: Central Line L(99, 194) { 5, 39 }: Central Line L(5, 39) { 32, 99 }: Central Line L(32, 99) { 98, 574 }: Central Line L(98, 574) { 76, 620 }: Central Line L(76, 620) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_99 = STEINER POINT (0.1109, 0.4322) X_194 = -CEVA CONJUGATE OF X(2) (0.6989, 0.3222) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_98 = TARRY POINT (0.8891, -0.2281) X_574 = HARMONIC OF X(187) (0.5539, 0.1910) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_620 = MIDPOINT OF X(618) AND X(619) (0.4308, 0.2580) X_1569 = MOSES-CIRCLE ANTIPODE OF X(115) (0.4049, 0.3772) A B C X99 X194 X5 X39 X32 X98 X574 X76 X620 X1569 (a, b, c) = (5, 6, 7) | AB = 1

X1569 (MOSES-CIRCLE ANTIPODE OF X115) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1569 = MOSES-CIRCLE ANTIPODE OF X_115."""

        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_trilinear_point,
            midpoint,
            nine_point_center_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01569(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1569 = MOSES-CIRCLE ANTIPODE OF X_115 on reference triangle ABC."""
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center"])
            X_194 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_194", classes=["center"])
            X_1569 = midpoint(model, X_99, X_194, ID="X_1569", classes=["selected", "target"], guide=False)
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            central_line(model, X_5, X_39, 5, 39, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            central_line(model, X_32, X_99, 32, 99, incident=True)
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            X_574 = eval_trilinear_point(model, A, B, C, 'a*(a**(2) - 2*b**(2) - 2*c**(2))', ID="X_574", classes=["center", "incident"])
            central_line(model, X_98, X_574, 98, 574, incident=True)
            return promote_point_to_top(model, X_1569)


        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_1569 on the given reference triangle."""
            model = create_model('X_1569 = MOSES-CIRCLE ANTIPODE OF X_115')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01569(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-01569.json"))
            write_center_svg(
                model_acute,
                here / "x-01569.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )