X3760

X2275com[T(-bc, c²)]

< 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, 76 }: Central Line L(1, 76) { 35, 183 }: Central Line L(35, 183) { 384, 609 }: Central Line L(384, 609) { 75, 1089 }: Central Line L(75, 1089) { 33, 1235 }: Central Line L(33, 1235) { 339, 1062 }: Central Line L(339, 1062) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_749 = ISOGONAL CONJUGATE OF X(748) (0.6307, 0.4253) X_1 = INCENTER (0.5714, 0.2333) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_183 = TRILINEAR PRODUCT X(75)X(182) (0.4700, 0.1275) X_384 = THE CONWAY POINT: EULER LINE INTERCEPT OF LINE X(32)X(76) (0.5532, 0.2412) X_609 = INTERSECTION OF LINES X(1)X(32) AND X(6)X(36) (0.6191, 0.3028) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_1089 = TRILINEAR SQUARE OF X(10) (0.4606, 0.1381) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_1235 = ISOTOMIC CONJUGATE OF X(1176) (0.5483, 0.2901) X_339 = ISOTOMIC CONJUGATE OF X(250) (0.6002, 0.0170) X_1062 = INTERSECTION OF LINES X(1)X(3) AND X(5)X(33) (0.4633, 0.0347) X_3760 = com[T(-bc, c2)] (0.3482, 0.0495) A B C X749 X1 X76 X35 X183 X384 X609 X75 X1089 X33 X1235 X339 X1062 X3760 (a, b, c) = (5, 6, 7) | AB = 1

X3760 (X2275com[T(-bc, c²)]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3760 = X_2275com[T(-bc, c²)]."""

        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,
            isotomic_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03760(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3760 = X_2275com[T(-bc, c²)] on reference triangle ABC."""
            X_749 = eval_trilinear_point(model, A, B, C, '1/(a**(2) - 2*b*c)', ID="X_749", classes=["center"])
            X_3760 = isotomic_conjugate(model, A, B, C, X_749, ID="X_3760", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            central_line(model, X_1, X_76, 1, 76, incident=True)
            X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
            X_183 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*cos(A-  omega  )', ID="X_183", classes=["center", "incident"])
            central_line(model, X_35, X_183, 35, 183, incident=True)
            X_384 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) + b**(2)*c**(2))', ID="X_384", classes=["center", "incident"])
            X_609 = eval_barycentric_point(model, A, B, C, 'a*( area + a**(2)*sin(A))', ID="X_609", classes=["center", "incident"])
            central_line(model, X_384, X_609, 384, 609, incident=True)
            return promote_point_to_top(model, X_3760)


        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_3760 on the given reference triangle."""
            model = create_model('X_3760 = X_2275com[T(-bc, c²)]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03760(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-03760.json"))
            write_center_svg(
                model_acute,
                here / "x-03760.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )