X3506

INTERSECTION OF LINES X2X_98 AND X32X_694

< 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, 98 }: Central Line L(2, 98) { 32, 694 }: Central Line L(32, 694) { 648, 1974 }: Central Line L(648, 1974) { 1196, 1915 }: Central Line L(1196, 1915) { 1, 3512 }: Central Line L(1, 3512) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_385 = -HIRST INVERSE OF X(6) (2.2863, 2.0795) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_2 = CENTROID (0.5374, 0.2000) X_98 = TARRY POINT (0.8891, -0.2281) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_648 = TRILINEAR POLE OF EULER LINE (0.4563, 0.5855) X_1974 = BARYCENTRIC PRODUCT OF PU(39) (0.6402, 0.4907) X_1196 = 3rd SARAGOSSA POINT OF X(25) (0.6432, 0.2801) X_1915 = CROSSSUM OF PU(11) (0.6078, 0.3108) X_1 = INCENTER (0.5714, 0.2333) X_3512 = ISOGONAL CONJUGATE OF X(3509) (0.9280, -0.1499) X_3506 = INTERSECTION OF LINES X(2)X(98) AND X(32)X(694) (0.0474, 0.7964) A B C X385 X32 X2 X98 X694 X648 X1974 X1196 X1915 X1 X3512 X3506 (a, b, c) = (5, 6, 7) | AB = 1

X3506 (INTERSECTION OF LINES X2X_98 AND X32X_694) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3506 = INTERSECTION OF LINES X_2X_98 AND X_32X_694."""

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


        def construct_x_03506(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3506 = INTERSECTION OF LINES X_2X_98 AND X_32X_694 on reference triangle ABC."""
            X_385 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) - b**(2)*c**(2))', ID="X_385", classes=["center"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center"])
            X_3506 = ceva_conjugate(model, A, B, C, X_385, X_32, ID="X_3506", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            central_line(model, X_2, X_98, 2, 98, incident=True)
            X_694 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) - b**(2)*c**(2))', ID="X_694", classes=["center", "incident"])
            central_line(model, X_32, X_694, 32, 694, incident=True)
            X_648 = eval_trilinear_point(model, A, B, C, '1/(a*(b**(2) - c**(2))*(b**(2) + c**(2) - a**(2)))', ID="X_648", classes=["center", "incident"])
            X_1974 = eval_trilinear_point(model, A, B, C, 'a**(4)*cos(B)*cos(C)', ID="X_1974", classes=["center", "incident"])
            central_line(model, X_648, X_1974, 648, 1974, incident=True)
            return promote_point_to_top(model, X_3506)


        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_3506 on the given reference triangle."""
            model = create_model('X_3506 = INTERSECTION OF LINES X_2X_98 AND X_32X_694')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03506(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-03506.json"))
            write_center_svg(
                model_acute,
                here / "x-03506.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )