X3552

EULER LINE INTERCEPT OF LINE X32X_99

< 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 { 32, 99 }: Central Line L(32, 99) { 76, 187 }: Central Line L(76, 187) { 172, 192 }: Central Line L(172, 192) { 83, 574 }: Central Line L(83, 574) { 287, 1204 }: Central Line L(287, 1204) 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_32 = 3rd POWER POINT (0.6400, 0.3332) X_99 = STEINER POINT (0.1109, 0.4322) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_172 = TRILINEAR PRODUCT X(6)*X(171) (0.6080, 0.2866) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_574 = HARMONIC OF X(187) (0.5539, 0.1910) X_287 = -HIRST INVERSE OF X(98) (0.7437, -0.0511) X_1204 = 3rd SARAGOSSA POINT OF X(64) (0.6497, 0.1923) X_3552 = EULER LINE INTERCEPT OF LINE X(32)X(99) (0.5918, 0.3423) A B C X2 X3 X4 X32 X99 X76 X187 X172 X192 X83 X574 X287 X1204 X3552 (a, b, c) = (5, 6, 7) | AB = 1

X3552 (EULER LINE INTERCEPT OF LINE X32X_99) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99."""

        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,
            cevapoint,
            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_03552(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99 on reference triangle ABC."""
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_3360 = eval_trilinear_point(model, A, B, C, '(a*(3*b**(4)*c**(4) - c**(4)*a**(4) - a**(4)*b**(4) +2*a**(2)*(a**(2)*b**(2)*c**(2) - b**(2)*c**(4) - b**(4)*c**(2))))', ID="X_3360", classes=["center"])
            X_3552 = cevapoint(model, A, B, C, X_3, X_3360, ID="X_3552", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            central_line(model, X_32, X_99, 32, 99, incident=True)
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            X_187 = eval_trilinear_point(model, A, B, C, 'a*(2*a**(2) - b**(2) - c**(2))', ID="X_187", classes=["center", "incident"])
            central_line(model, X_76, X_187, 76, 187, incident=True)
            return promote_point_to_top(model, X_3552)


        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_3552 on the given reference triangle."""
            model = create_model('X_3552 = EULER LINE INTERCEPT OF LINE X_32X_99')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03552(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-03552.json"))
            write_center_svg(
                model_acute,
                here / "x-03552.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )