X3914

X31com(ORTHIC TRIANGLE)

X3914 = complement of X32929
< 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, 224 }: Central Line L(1, 224) { 42, 226 }: Central Line L(42, 226) { 65, 225 }: Central Line L(65, 225) { 10, 321 }: Central Line L(10, 321) { 75, 305 }: Central Line L(75, 305) { 31, 516 }: Central Line L(31, 516) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_224 = -CEVA CONJUGATE OF X(63) (1.2479, 0.4419) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_226 = -CEVA CONJUGATE OF X(65) (0.5778, 0.2588) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_225 = -CEVA CONJUGATE OF X(65) (0.6246, 0.4451) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_305 = ISOTOMIC CONJUGATE OF X(25) (0.3258, 0.0397) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_516 = ISOGONAL CONJUGATE OF X(103) (0.7703, 0.7386) X_3914 = com[ORTHIC TRIANGLE))] (0.5970, 0.2412) A B C X1 X224 X42 X226 X65 X225 X10 X321 X75 X305 X31 X516 X3914 (a, b, c) = (5, 6, 7) | AB = 1

X3914 (X31com(ORTHIC TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3914 = X_31com(ORTHIC TRIANGLE)."""

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


        def construct_x_03914(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3914 = X_31com(ORTHIC TRIANGLE) on reference triangle ABC."""
            X_3914 = eval_barycentric_point(model, A, B, C, '(b + c)*(a**(2) + b**(2) + c**(2) - 2*b*c)', ID="X_3914", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_224 = eval_trilinear_point(model, A, B, C, '(cot(B)*(cos(B/2))**(2) + cot(C)*(cos(C/2))**(2) - cot(A)*(cos(A/2))**(2))*cot(A)', ID="X_224", classes=["center", "incident"])
            central_line(model, X_1, X_224, 1, 224, incident=True)
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center", "incident"])
            central_line(model, X_42, X_226, 42, 226, incident=True)
            X_65 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C)', ID="X_65", classes=["center", "incident"])
            X_225 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(B) + cos(C))', ID="X_225", classes=["center", "incident"])
            central_line(model, X_65, X_225, 65, 225, incident=True)
            return promote_point_to_top(model, X_3914)


        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_3914 on the given reference triangle."""
            model = create_model('X_3914 = X_31com(ORTHIC TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03914(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-03914.json"))
            write_center_svg(
                model_acute,
                here / "x-03914.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )