X1781

MIMOSA TRANSFORM OF X1214

< 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, 19 }: Central Line L(1, 19) { 9, 46 }: Central Line L(9, 46) { 35, 37 }: Central Line L(35, 37) { 71, 484 }: Central Line L(71, 484) { 165, 846 }: Central Line L(165, 846) { 169, 1046 }: Central Line L(169, 1046) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_226 = -CEVA CONJUGATE OF X(65) (0.5778, 0.2588) X_1 = INCENTER (0.5714, 0.2333) X_19 = CLAWSON POINT (0.6246, 0.4244) X_9 = MITTENPUNKT (0.5110, 0.1615) X_46 = -CEVA CONJUGATE OF X(1) (0.6917, 0.4543) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_484 = 1st EVANS PERSPECTOR (2.0952, 3.0327) X_165 = CENTROID OF THE EXCENTRAL TRIANGLE (0.4762, 0.0583) X_846 = 4th SHARYGIN POINT (0.5437, 0.1969) X_169 = -CEVA CONJUGATE OF X(1) (0.5497, 0.2510) X_1046 = -CEVA CONJUGATE OF X(1) (0.6500, 0.3366) X_1781 = MIMOSA TRANSFORM OF X(1214) (0.5847, 0.2809) A B C X226 X1 X19 X9 X46 X35 X37 X71 X484 X165 X846 X169 X1046 X1781 (a, b, c) = (5, 6, 7) | AB = 1

X1781 (MIMOSA TRANSFORM OF X1214) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1781 = MIMOSA TRANSFORM OF X_1214."""

        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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            mittenpunkt_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01781(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1781 = MIMOSA TRANSFORM OF X_1214 on reference triangle ABC."""
            X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_1781 = ceva_conjugate(model, A, B, C, X_226, X_1, ID="X_1781", classes=["selected", "target"])
            X_19 = eval_trilinear_point(model, A, B, C, 'tan(A)', ID="X_19", classes=["center", "incident"])
            central_line(model, X_1, X_19, 1, 19, incident=True)
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center", "incident"])
            central_line(model, X_9, X_46, 9, 46, incident=True)
            X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_35, X_37, 35, 37, incident=True)
            return promote_point_to_top(model, X_1781)


        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_1781 on the given reference triangle."""
            model = create_model('X_1781 = MIMOSA TRANSFORM OF X_1214')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01781(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-01781.json"))
            write_center_svg(
                model_acute,
                here / "x-01781.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )