X1712

MIMOSA TRANSFORM OF (20)

< A B C >: Reference Triangle △ABC < P_a P_b P_c >: Cevian Triangle △P_a P_b P_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) [ A P_a ]: A-Cevian A–P_a [ B P_b ]: B-Cevian B–P_b [ C P_c ]: C-Cevian C–P_c { 4, 57 }: Central Line L(4, 57) { 19, 158 }: Central Line L(19, 158) { 1, 204 }: Central Line L(1, 204) { 9, 1249 }: Central Line L(9, 1249) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) P_a = Cevian Trace P_a on BC (0.4493, 0.8519) P_b = Cevian Trace P_b on CA (0.7430, 0.7280) P_c = Cevian Trace P_c on AB (0.6270, 0.0000) X_4 = ORTHOCENTER (0.6122, 0.3958) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_19 = CLAWSON POINT (0.6246, 0.4244) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_1 = INCENTER (0.5714, 0.2333) X_204 = -CEVA CONJUGATE OF X(19) (0.6683, 3.3982) X_9 = MITTENPUNKT (0.5110, 0.1615) X_1249 = ISOGONAL CONJUGATE OF X(1073) (-0.9482, -15.9845) X_1712 = MIMOSA TRANSFORM OF (20) (0.5990, 1.1358) A B C Pa Pb Pc X4 X57 X19 X158 X1 X204 X9 X1249 X1712 (a, b, c) = (5, 6, 7) | AB = 1

X1712 (MIMOSA TRANSFORM OF (20)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1712 = MIMOSA TRANSFORM OF (20)."""

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


        def construct_x_01712(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1712 = MIMOSA TRANSFORM OF (20) on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center"])
            X_158 = eval_trilinear_point(model, A, B, C, '(sec(A))**(2)', ID="X_158", classes=["center"])
            central_line(model, X_4, X_57, 4, 57)
            central_line(model, X_19, X_158, 19, 158)
            X_1712 = intersect_lines(model, X_4, X_57, X_19, X_158, ID="X_1712", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_204 = eval_trilinear_point(model, A, B, C, '((tan(A))*(tan(B) + tan(C) - tan(A)))', ID="X_204", classes=["center", "incident"])
            central_line(model, X_1, X_204, 1, 204, incident=True)
            return promote_point_to_top(model, X_1712)


        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_1712 on the given reference triangle."""
            model = create_model('X_1712 = MIMOSA TRANSFORM OF (20)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01712(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-01712.json"))
            write_center_svg(
                model_acute,
                here / "x-01712.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )