X3056

INTERSECTION OF LINES X1X_256 AND X6X_31

X3056 = reflection of X1469 in X1
< 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) { 1469, 1 }: Central Line L(1469, 1) { 6, 31 }: Central Line L(6, 31) { 11, 141 }: Central Line L(11, 141) { 35, 182 }: Central Line L(35, 182) { 1, 256 }: Central Line L(1, 256) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1469 = -BETH CONJUGATE OF X(984) (0.6171, 0.3088) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_35 = {X(1),X(3)}-HARMONIC CONJUGATE OF X(36) (0.5373, 0.1706) X_182 = MIDPOINT OF BROCARD DIAMETER (0.5500, 0.1846) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_3056 = INTERSECTION OF LINES X(1)X(256) AND X(6)X(31) (0.5257, 0.1578) A B C X1469 X1 X6 X31 X11 X141 X35 X182 X256 X3056 (a, b, c) = (5, 6, 7) | AB = 1

X3056 (INTERSECTION OF LINES X1X_256 AND X6X_31) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3056 = INTERSECTION OF LINES X_1X_256 AND X_6X_31."""

        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,
            feuerbach_point_of,
            incenter_of,
            promote_point_to_top,
            reflection_in_point,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03056(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3056 = INTERSECTION OF LINES X_1X_256 AND X_6X_31 on reference triangle ABC."""
            X_1469 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + b*c + c**(2))/(a - b - c)', ID="X_1469", classes=["center"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_3056 = reflection_in_point(model, X_1469, X_1, ID="X_3056", classes=["selected", "target"], guide=False)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_6, X_31, 6, 31, incident=True)
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            central_line(model, X_11, X_141, 11, 141, incident=True)
            X_35 = eval_trilinear_point(model, A, B, C, '1 + 2*cos(A)', ID="X_35", classes=["center", "incident"])
            X_182 = eval_trilinear_point(model, A, B, C, 'cos(A-  omega  )', ID="X_182", classes=["center", "incident"])
            central_line(model, X_35, X_182, 35, 182, incident=True)
            return promote_point_to_top(model, X_3056)


        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_3056 on the given reference triangle."""
            model = create_model('X_3056 = INTERSECTION OF LINES X_1X_256 AND X_6X_31')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03056(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-03056.json"))
            write_center_svg(
                model_acute,
                here / "x-03056.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )