X3236

INTERSECTION OF LINES X1X_32 and X3X_2008

< 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, 32 }: Central Line L(1, 32) { 55, 1687 }: Central Line L(55, 1687) { 56, 1688 }: Central Line L(56, 1688) { 3, 2008 }: Central Line L(3, 2008) { 6, 2007 }: Central Line L(6, 2007) { 1124, 1343 }: Central Line L(1124, 1343) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_1687 = INSIMILICENTER(1st LEMOINE CIRCLE, 2nd LEMOINE CIRCLE) (0.5757, 0.2271) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_1688 = EXSIMILICENTER(1st LEMOINE CIRCLE, 2nd LEMOINE CIRCLE) (1.4224, 1.6255) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_2008 = EXSIMILICENTER(GALLATLY CIRCLE, INCIRCLE) (0.3669, 0.3221) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_2007 = INSIMILICENTER(GALLATLY CIRCLE, INCIRCLE) (0.5746, 0.2319) X_1124 = ISOGONAL CONJUGATE OF X(1123) (0.5846, 0.2489) X_1343 = EXSIMILICENTER(CIRCUMCIRCLE, 1stLEMOINE CIRCLE) (0.6155, 0.2927) X_3236 = INTERSECTION OF LINES X(1)X(32) and X(3)X(2008) (0.4913, 0.1164) A B C X1 X32 X55 X1687 X56 X1688 X3 X2008 X6 X2007 X1124 X1343 X3236 (a, b, c) = (5, 6, 7) | AB = 1

X3236 (INTERSECTION OF LINES X1X_32 and X3X_2008) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3236 = INTERSECTION OF LINES X_1X_32 and X_3X_2008."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03236(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3236 = INTERSECTION OF LINES X_1X_32 and X_3X_2008 on reference triangle ABC."""
            X_3236 = eval_trilinear_point(model, A, B, C, '(1 - sin(A -  omega  ))', ID="X_3236", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            central_line(model, X_1, X_32, 1, 32, incident=True)
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            X_1687 = eval_trilinear_point(model, A, B, C, 'sin(A -  omega  /2 +  pi  /4)', ID="X_1687", classes=["center", "incident"])
            central_line(model, X_55, X_1687, 55, 1687, incident=True)
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_1688 = eval_trilinear_point(model, A, B, C, 'cos(A -  omega  ) - sin(A)', ID="X_1688", classes=["center", "incident"])
            central_line(model, X_56, X_1688, 56, 1688, incident=True)
            return promote_point_to_top(model, X_3236)


        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_3236 on the given reference triangle."""
            model = create_model('X_3236 = INTERSECTION OF LINES X_1X_32 and X_3X_2008')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03236(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-03236.json"))
            write_center_svg(
                model_acute,
                here / "x-03236.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )