X3528

EULER LINE INTERCEPT OF LINE X35X_1056

X3528 = pole of van Aubel line wrt conic {{X13,X14,X17,X18,X20}}
< 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) { 2, 3 }: Euler Line { 35, 1056 }: Central Line L(35, 1056) { 36, 1058 }: Central Line L(36, 1058) { 165, 944 }: Central Line L(165, 944) { 39, 1285 }: Central Line L(39, 1285) { 40, 3244 }: Central Line L(40, 3244) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_1056 = POINT ALCYONE (0.5756, 0.2499) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_1058 = POINT ALKALUROPS (0.5662, 0.2123) X_165 = CENTROID OF THE EXCENTRAL TRIANGLE (0.4762, 0.0583) X_944 = HOFSTADTER TRAPEZOID POINT (0.5306, 0.0708) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_1285 = LEMOINE HOMOTHETIC CENTER (0.6375, 0.3389) X_40 = BEVAN POINT (0.4286, -0.0292) X_3244 = REFLECTION OF X(10) IN X(1) (0.6224, 0.2833) X_3528 = EULER LINE INTERCEPT OF LINE X(35)X(1056) (0.4840, 0.0601) A B C X2 X3 X4 X35 X1056 X36 X1058 X165 X944 X39 X1285 X40 X3244 X3528 (a, b, c) = (5, 6, 7) | AB = 1

X3528 (EULER LINE INTERCEPT OF LINE X35X_1056) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3528 = EULER LINE INTERCEPT OF LINE X_35X_1056."""

        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,
            centroid_of,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03528(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3528 = EULER LINE INTERCEPT OF LINE X_35X_1056 on reference triangle ABC."""
            X_3528 = eval_trilinear_point(model, A, B, C, '(5*cos(A) - sin(B)*sin(C))', ID="X_3528", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
            X_1056 = eval_trilinear_point(model, A, B, C, '(2 + cos(B)*cos(C))', ID="X_1056", classes=["center", "incident"])
            central_line(model, X_35, X_1056, 35, 1056, incident=True)
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
            X_1058 = eval_trilinear_point(model, A, B, C, '(2 - cos(B)*cos(C))', ID="X_1058", classes=["center", "incident"])
            central_line(model, X_36, X_1058, 36, 1058, incident=True)
            return promote_point_to_top(model, X_3528)


        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_3528 on the given reference triangle."""
            model = create_model('X_3528 = EULER LINE INTERCEPT OF LINE X_35X_1056')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03528(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-03528.json"))
            write_center_svg(
                model_acute,
                here / "x-03528.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )