X2331

X2-ISOCONJUGATE OF X1433

< 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) { 6, 19 }: Central Line L(6, 19) { 33, 42 }: Central Line L(33, 42) { 55, 204 }: Central Line L(55, 204) { 73, 207 }: Central Line L(73, 207) { 1, 281 }: Central Line L(1, 281) { 198, 208 }: Central Line L(198, 208) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2187 = -ISOCONJUGATE OF X(189) (0.5209, -0.0495) X_40 = BEVAN POINT (0.4286, -0.0292) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_19 = CLAWSON POINT (0.6246, 0.4244) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_204 = -CEVA CONJUGATE OF X(19) (0.6683, 3.3982) X_73 = CROSSPOINT OF INCENTER AND CIRCUMCENTER (0.5487, 0.1428) X_207 = -CEVA CONJUGATE OF X(34) (0.5818, 0.9198) X_1 = INCENTER (0.5714, 0.2333) X_281 = -CROSS CONJUGATE OF X(9) (0.5796, 0.3202) X_198 = -CEVA CONJUGATE OF X(6) (0.4741, -0.0381) X_208 = -CEVA CONJUGATE OF X(34) (0.6242, -0.2728) X_2331 = -ISOCONJUGATE OF X(1433) (0.5368, -0.1361) A B C X2187 X40 X6 X19 X33 X42 X55 X204 X73 X207 X1 X281 X198 X208 X2331 (a, b, c) = (5, 6, 7) | AB = 1

X2331 (X2-ISOCONJUGATE OF X1433) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2331 = X_2-ISOCONJUGATE OF X_1433."""

        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,
            crosspoint,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02331(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2331 = X_2-ISOCONJUGATE OF X_1433 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_223 = eval_trilinear_point(model, A, B, C, '(tan(A/2))*(cos(B) + cos(C) - cos(A) - 1)', ID="X_223", classes=["center"])
            X_2331 = crosspoint(model, A, B, C, X_1, X_223, ID="X_2331", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            central_line(model, X_6, X_19, 6, 19, incident=True)
            X_33 = eval_trilinear_point(model, A, B, C, '1 + sec(A)', ID="X_33", classes=["center", "incident"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            central_line(model, X_33, X_42, 33, 42, incident=True)
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            X_204 = eval_trilinear_point(model, A, B, C, '((tan(A))*(tan(B) + tan(C) - tan(A)))', ID="X_204", classes=["center", "incident"])
            central_line(model, X_55, X_204, 55, 204, incident=True)
            return promote_point_to_top(model, X_2331)


        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_2331 on the given reference triangle."""
            model = create_model('X_2331 = X_2-ISOCONJUGATE OF X_1433')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02331(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-02331.json"))
            write_center_svg(
                model_acute,
                here / "x-02331.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )