X1034

X4-CROSS CONJUGATE OF X8

< 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) { 20, 78 }: Central Line L(20, 78) { 2, 271 }: Central Line L(2, 271) 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_8 = NAGEL POINT (0.4694, 0.1333) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_78 = ISOGONAL CONJUGATE OF X(34) (0.3835, 0.0491) X_2 = CENTROID (0.5374, 0.2000) X_271 = ISOGONAL CONJUGATE OF X(208) (1.1546, 2.8606) X_1034 = -CROSS CONJUGATE OF X(8) (0.3920, -0.4271) A B C X4 X8 X20 X78 X2 X271 X1034 (a, b, c) = (5, 6, 7) | AB = 1

X1034 (X4-CROSS CONJUGATE OF X8) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1034 = X_4-CROSS CONJUGATE OF X_8."""

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


        def construct_x_01034(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1034 = X_4-CROSS CONJUGATE OF X_8 on reference triangle ABC."""
            X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center"])
            X_78 = eval_trilinear_point(model, A, B, C, '1/(1 - sec(A))', ID="X_78", classes=["center"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_271 = eval_trilinear_point(model, A, B, C, '((cot(A)*cot(A/2))/(-1 - cos(A) + cos(B) + cos(C)))', ID="X_271", classes=["center"])
            central_line(model, X_20, X_78, 20, 78)
            central_line(model, X_2, X_271, 2, 271)
            X_1034 = intersect_lines(model, X_20, X_78, X_2, X_271, ID="X_1034", classes=["selected", "target"])
            return promote_point_to_top(model, X_1034)


        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_1034 on the given reference triangle."""
            model = create_model('X_1034 = X_4-CROSS CONJUGATE OF X_8')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01034(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-01034.json"))
            write_center_svg(
                model_acute,
                here / "x-01034.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )