X1785

MIMOSA TRANSFORM OF X1295

X1785 = inverse-in-incircle of X946
< 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) { 1845, 1875 }: Central Line L(1845, 1875) { 1, 4 }: Incenter–Orthocenter Line { 37, 53 }: Central Line L(37, 53) { 36, 108 }: Central Line L(36, 108) { 10, 158 }: Central Line L(10, 158) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1845 = ZOSMA TRANSFORM OF X(80) (0.5417, 0.5181) X_1875 = ZOSMA TRANSFORM OF X(515) (0.6357, 0.6908) X_1 = INCENTER (0.5714, 0.2333) X_4 = ORTHOCENTER (0.6122, 0.3958) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_53 = SYMMEDIAN POINT OF ORTHIC TRIANGLE (0.6164, 0.4390) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_1785 = MIMOSA TRANSFORM OF X(1295) (0.7297, 0.8635) A B C X1845 X1875 X1 X4 X37 X53 X36 X108 X10 X158 X1785 (a, b, c) = (5, 6, 7) | AB = 1

X1785 (MIMOSA TRANSFORM OF X1295) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1785 = MIMOSA TRANSFORM OF X_1295."""

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


        def construct_x_01785(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1785 = MIMOSA TRANSFORM OF X_1295 on reference triangle ABC."""
            X_1785 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(B) + cos(C) - 1)', ID="X_1785", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            central_line(model, X_1, X_4, 1, 4, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_53 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(B - C)', ID="X_53", classes=["center", "incident"])
            central_line(model, X_37, X_53, 37, 53, incident=True)
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", 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_36, X_108, 36, 108, incident=True)
            return promote_point_to_top(model, X_1785)


        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_1785 on the given reference triangle."""
            model = create_model('X_1785 = MIMOSA TRANSFORM OF X_1295')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01785(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-01785.json"))
            write_center_svg(
                model_acute,
                here / "x-01785.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )