X1783

MIMOSA TRANSFORM OF X1262

X1783 = trilinear pole of line X19X25 (the tangent to hyperbola {{A, B, C,X4,X19}} at X19)
< 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) { 101, 108 }: Central Line L(101, 108) { 100, 112 }: Central Line L(100, 112) { 4, 218 }: Central Line L(4, 218) { 6, 281 }: Central Line L(6, 281) { 28, 291 }: Central Line L(28, 291) { 200, 204 }: Central Line L(200, 204) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_905 = POINT ACHERNAR (5.6190, -0.6999) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_4 = ORTHOCENTER (0.6122, 0.3958) X_218 = -CEVA CONJUGATE OF X(55) (0.6557, 0.3333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_281 = -CROSS CONJUGATE OF X(9) (0.5796, 0.3202) X_28 = CEVAPOINT OF X(19) AND X(25) (0.6285, 0.4382) X_291 = 2nd SHARYGIN POINT (1.0249, 0.0364) X_200 = -CEVA CONJUGATE OF X(9) (0.4392, 0.1037) X_204 = -CEVA CONJUGATE OF X(19) (0.6683, 3.3982) X_1783 = MIMOSA TRANSFORM OF X(1262) (0.4733, 0.5954) A B C X905 X101 X108 X100 X112 X4 X218 X6 X281 X28 X291 X200 X204 X1783 (a, b, c) = (5, 6, 7) | AB = 1

X1783 (MIMOSA TRANSFORM OF X1262) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1783 = MIMOSA TRANSFORM OF X_1262."""

        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_trilinear_point,
            isogonal_conjugate,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01783(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1783 = MIMOSA TRANSFORM OF X_1262 on reference triangle ABC."""
            X_905 = eval_trilinear_point(model, A, B, C, '(b - c)*cot(A)', ID="X_905", classes=["center"])
            X_1783 = isogonal_conjugate(model, A, B, C, X_905, ID="X_1783", classes=["selected", "target"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
            central_line(model, X_101, X_108, 101, 108, incident=True)
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center", "incident"])
            central_line(model, X_100, X_112, 100, 112, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_218 = eval_trilinear_point(model, A, B, C, '((cos(A/2))**(2)*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4)))', ID="X_218", classes=["center", "incident"])
            central_line(model, X_4, X_218, 4, 218, incident=True)
            return promote_point_to_top(model, X_1783)


        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_1783 on the given reference triangle."""
            model = create_model('X_1783 = MIMOSA TRANSFORM OF X_1262')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01783(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-01783.json"))
            write_center_svg(
                model_acute,
                here / "x-01783.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )