X1335

{X1,X6}-HARMONIC CONJUGATE OF X1124

X1335 is the {X1,X6}-harmonic conjugate of X1124.
< 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, 6 }: Incenter–Symmedian Line { 55, 371 }: Central Line L(55, 371) { 56, 372 }: Central Line L(56, 372) { 11, 486 }: Central Line L(11, 486) { 12, 485 }: Central Line L(12, 485) { 42, 493 }: Central Line L(42, 493) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1336 = ISOGONAL CONJUGATE OF X(1335) (0.6230, 0.5188) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_371 = KENMOTU POINT (CONGRUENT SQUARES POINT) (0.5652, 0.2097) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_372 = {X(3),X(6)}-HARMONIC CONJUGATE OF X(371) (0.7148, 0.4568) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_486 = INNER VECTEN POINT (-0.0810, -0.0170) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_485 = VECTEN POINT (0.5773, 0.2578) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_493 = 1st VAN LAMOEN HOMOTHETIC CENTER (0.5707, 0.2293) X_1335 = {X(1),X(6)}-HARMONIC CONJUGATE OF X(1124) (0.4024, 0.0326) A B C X1336 X1 X6 X55 X371 X56 X372 X11 X486 X12 X485 X42 X493 X1335 (a, b, c) = (5, 6, 7) | AB = 1

X1335 ({X1,X6}-HARMONIC CONJUGATE OF X1124) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124."""

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


        def construct_x_01335(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124 on reference triangle ABC."""
            X_1335 = eval_trilinear_point(model, A, B, C, '(1 - sin(A))', ID="X_1335", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_1, X_6, 1, 6, incident=True)
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            X_371 = eval_trilinear_point(model, A, B, C, 'cos(A -  pi  /4)', ID="X_371", classes=["center", "incident"])
            central_line(model, X_55, X_371, 55, 371, incident=True)
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_372 = eval_trilinear_point(model, A, B, C, 'cos(A +  pi  /4)', ID="X_372", classes=["center", "incident"])
            central_line(model, X_56, X_372, 56, 372, incident=True)
            return promote_point_to_top(model, X_1335)


        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_1335 on the given reference triangle."""
            model = create_model('X_1335 = {X_1,X_6}-HARMONIC CONJUGATE OF X_1124')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01335(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-01335.json"))
            write_center_svg(
                model_acute,
                here / "x-01335.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )