X1126

ISOGONAL CONJUGATE OF X1125

< 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) { 35, 42 }: Central Line L(35, 42) { 10, 86 }: Central Line L(10, 86) { 56, 181 }: Central Line L(56, 181) { 6, 595 }: Central Line L(6, 595) { 1, 748 }: Central Line L(1, 748) { 145, 996 }: Central Line L(145, 996) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1125 = COMPLEMENT OF X(10) (0.5459, 0.2083) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_181 = APOLLONIUS POINT (0.6163, 0.3093) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_595 = 2nd HATZIPOLAKIS-YIU POINT (0.6456, 0.3307) X_1 = INCENTER (0.5714, 0.2333) X_748 = INTERSECTION OF LINES X(2)X(31) AND X(9)X(38) (0.4360, 0.0802) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_996 = INTERSECTION OF LINES X(8)X(58) AND X(10)X(56) (0.5332, 0.2018) X_1126 = ISOGONAL CONJUGATE OF X(1125) (0.5938, 0.2586) A B C X1125 X35 X42 X10 X86 X56 X181 X6 X595 X1 X748 X145 X996 X1126 (a, b, c) = (5, 6, 7) | AB = 1

X1126 (ISOGONAL CONJUGATE OF X1125) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1126 = ISOGONAL CONJUGATE OF X_1125."""

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


        def construct_x_01126(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1126 = ISOGONAL CONJUGATE OF X_1125 on reference triangle ABC."""
            X_1125 = eval_trilinear_point(model, A, B, C, '(2*a+b+c)/a', ID="X_1125", classes=["center"])
            X_1126 = isogonal_conjugate(model, A, B, C, X_1125, ID="X_1126", classes=["selected", "target"])
            X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            central_line(model, X_35, X_42, 35, 42, incident=True)
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
            central_line(model, X_10, X_86, 10, 86, incident=True)
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_181 = eval_trilinear_point(model, A, B, C, 'a*(b + c)**(2)/(b + c - a)', ID="X_181", classes=["center", "incident"])
            central_line(model, X_56, X_181, 56, 181, incident=True)
            return promote_point_to_top(model, X_1126)


        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_1126 on the given reference triangle."""
            model = create_model('X_1126 = ISOGONAL CONJUGATE OF X_1125')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01126(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-01126.json"))
            write_center_svg(
                model_acute,
                here / "x-01126.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )