X2196

X2-ISOCONJUGATE OF X242

< 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) { 3, 295 }: Central Line L(3, 295) { 28, 291 }: Central Line L(28, 291) { 56, 292 }: Central Line L(56, 292) { 63, 337 }: Central Line L(63, 337) { 104, 813 }: Central Line L(104, 813) { 71, 1332 }: Central Line L(71, 1332) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_295 = ISOGONAL CONJUGATE OF X(242) (1.0582, 0.0142) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_291 = 2nd SHARYGIN POINT (1.0249, 0.0364) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_292 = -HIRST INVERSE OF X(291) (1.0127, 0.0417) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_337 = ISOTOMIC CONJUGATE OF X(242) (1.0936, 0.0108) X_104 = ANTIPODE OF X(100) (0.8571, -0.2624) X_813 = o-(- 1, 1) CIRCUMCIRCLE POINT (0.9721, -0.0916) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_1332 = ORTHOCORRESPONDENT OF X(100) (-0.2317, 0.1866) X_2196 = -ISOCONJUGATE OF X(242) (1.0447, 0.0163) A B C X3 X295 X28 X291 X56 X292 X63 X337 X104 X813 X71 X1332 X2196 (a, b, c) = (5, 6, 7) | AB = 1

X2196 (X2-ISOCONJUGATE OF X242) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2196 = X_2-ISOCONJUGATE OF X_242."""

        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,
            circumcenter_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_02196(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2196 = X_2-ISOCONJUGATE OF X_242 on reference triangle ABC."""
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_295 = eval_trilinear_point(model, A, B, C, '(cos(A))/(a**(2) - b*c)', ID="X_295", classes=["center"])
            X_28 = eval_trilinear_point(model, A, B, C, '(tan(A))/(b + c)', ID="X_28", classes=["center"])
            X_291 = eval_trilinear_point(model, A, B, C, '1/(a**(2) - b*c)', ID="X_291", classes=["center"])
            central_line(model, X_3, X_295, 3, 295)
            central_line(model, X_28, X_291, 28, 291)
            X_2196 = intersect_lines(model, X_3, X_295, X_28, X_291, ID="X_2196", classes=["selected", "target"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_292 = eval_trilinear_point(model, A, B, C, 'a/(a**(2) - b*c)', ID="X_292", classes=["center", "incident"])
            central_line(model, X_56, X_292, 56, 292, incident=True)
            return promote_point_to_top(model, X_2196)


        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_2196 on the given reference triangle."""
            model = create_model('X_2196 = X_2-ISOCONJUGATE OF X_242')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02196(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-02196.json"))
            write_center_svg(
                model_acute,
                here / "x-02196.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )