X1036

ISOGONAL CONJUGATE OF X388

< 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) { 1, 25 }: Central Line L(1, 25) { 3, 31 }: Central Line L(3, 31) { 55, 78 }: Central Line L(55, 78) { 56, 77 }: Central Line L(56, 77) { 41, 219 }: Central Line L(41, 219) { 21, 332 }: Central Line L(21, 332) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_388 = ∩X(7)X(8) (0.5790, 0.2635) X_1 = INCENTER (0.5714, 0.2333) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_78 = ISOGONAL CONJUGATE OF X(34) (0.3835, 0.0491) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_77 = ISOGONAL CONJUGATE OF X(33) (0.5270, 0.1305) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_21 = SCHIFFLER POINT (0.5287, 0.1771) X_332 = ISOTOMIC CONJUGATE OF X(225) (0.3595, 0.0434) X_1036 = ISOGONAL CONJUGATE OF X(388) (0.5632, 0.2044) A B C X388 X1 X25 X3 X31 X55 X78 X56 X77 X41 X219 X21 X332 X1036 (a, b, c) = (5, 6, 7) | AB = 1

X1036 (ISOGONAL CONJUGATE OF X388) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1036 = ISOGONAL CONJUGATE OF X_388."""

        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,
            incenter_of,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01036(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1036 = ISOGONAL CONJUGATE OF X_388 on reference triangle ABC."""
            X_388 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2) + (b + c)**(2))/(b + c - a)', ID="X_388", classes=["center"])
            X_1036 = isogonal_conjugate(model, A, B, C, X_388, ID="X_1036", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            central_line(model, X_1, X_25, 1, 25, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_3, X_31, 3, 31, incident=True)
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            X_78 = eval_trilinear_point(model, A, B, C, '1/(1 - sec(A))', ID="X_78", classes=["center", "incident"])
            central_line(model, X_55, X_78, 55, 78, incident=True)
            return promote_point_to_top(model, X_1036)


        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_1036 on the given reference triangle."""
            model = create_model('X_1036 = ISOGONAL CONJUGATE OF X_388')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01036(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-01036.json"))
            write_center_svg(
                model_acute,
                here / "x-01036.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )