X3128

X4-CEVA CONJUGATE OF X1163

< 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) { 2, 3 }: Euler Line { 1163, 1164 }: Central Line L(1163, 1164) { 1588, 1899 }: Central Line L(1588, 1899) { 1853, 3071 }: Central Line L(1853, 3071) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_1163 = INNER GREBE-ORTHIC PERSPECTOR (0.6431, 0.4339) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_1164 = POINT ALTAIR (0.6143, 0.3811) X_1588 = POINT CASTOR II (0.5955, 0.2203) X_1899 = ZOSMA TRANSFORM OF X(1096) (0.6016, 0.1218) X_1853 = ZOSMA TRANSFORM OF X(204) (0.5941, 0.7953) X_3071 = INTERSECTION OF X(4)X(6) AND X(5)X(371) (0.5859, 0.1197) X_3128 = -CEVA CONJUGATE OF X(1163) (0.5885, 0.3337) A B C X4 X1163 X2 X3 X1164 X1588 X1899 X1853 X3071 X3128 (a, b, c) = (5, 6, 7) | AB = 1

X3128 (X4-CEVA CONJUGATE OF X1163) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3128 = X_4-CEVA CONJUGATE OF X_1163."""

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


        def construct_x_03128(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3128 = X_4-CEVA CONJUGATE OF X_1163 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_1163 = eval_trilinear_point(model, A, B, C, '(( area - a**(2))*(2*area - b**(2) - c**(2))/(a*(b**(2) + c**(2) - a**(2))))', ID="X_1163", classes=["center"])
            X_3128 = ceva_conjugate(model, A, B, C, X_4, X_1163, ID="X_3128", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_1164 = eval_trilinear_point(model, A, B, C, '(( area + a**(2))*(2*area - b**(2) - c**(2))/(a*(b**(2) + c**(2) - a**(2))))', ID="X_1164", classes=["center", "incident"])
            central_line(model, X_1163, X_1164, 1163, 1164, incident=True)
            X_1588 = eval_trilinear_point(model, A, B, C, '(sin(A) - cos(B)*cos(C))', ID="X_1588", classes=["center", "incident"])
            X_1899 = eval_trilinear_point(model, A, B, C, '2*b*c - a*b*sec(B) - a*c*sec(C)', ID="X_1899", classes=["center", "incident"])
            central_line(model, X_1588, X_1899, 1588, 1899, incident=True)
            return promote_point_to_top(model, X_3128)


        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_3128 on the given reference triangle."""
            model = create_model('X_3128 = X_4-CEVA CONJUGATE OF X_1163')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03128(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-03128.json"))
            write_center_svg(
                model_acute,
                here / "x-03128.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )