X3507

INTERSECTION OF LINES X1X_2 AND X32X_2319

< 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, 2 }: Nagel Line { 32, 2319 }: Central Line L(32, 2319) { 511, 3512 }: Central Line L(511, 3512) { 694, 3508 }: Central Line L(694, 3508) { 3225, 3510 }: Central Line L(3225, 3510) 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_3508 = INTERSECTION OF LINES X(1)X(6) AND X(76)X(1423) (2.7263, 2.7925) X_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_2319 = -ISOCONJUGATE OF X(1403) (0.4044, 0.1080) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_3512 = ISOGONAL CONJUGATE OF X(3509) (0.9280, -0.1499) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_3225 = SS(a → bc) OF X(98) (1.1195, 0.2435) X_3510 = INTERSECTION OF LINES X(1)X(76) AND X(6)X(43) (1.7132, 1.1732) X_3507 = INTERSECTION OF LINES X(1)X(2) AND X(32)X(2319) (2.0184, 1.6510) A B C X385 X3508 X1 X2 X32 X2319 X511 X3512 X694 X3225 X3510 X3507 (a, b, c) = (5, 6, 7) | AB = 1

X3507 (INTERSECTION OF LINES X1X_2 AND X32X_2319) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3507 = INTERSECTION OF LINES X_1X_2 AND X_32X_2319."""

        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,
            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_03507(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3507 = INTERSECTION OF LINES X_1X_2 AND X_32X_2319 on reference triangle ABC."""
            X_3507 = eval_trilinear_point(model, A, B, C, '(a**(3)*(b + c) - (a**(2) + b*c)*(b**(2) + b*c + c**(2)) + a*(b + c)*(b**(2) + c**(2)))', ID="X_3507", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_1, X_2, 1, 2, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_2319 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(a*b + a*c - b*c))', ID="X_2319", classes=["center", "incident"])
            central_line(model, X_32, X_2319, 32, 2319, incident=True)
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            X_3512 = eval_trilinear_point(model, A, B, C, '(1/(a**(3) - b**(3) - c**(3) + a*b*c))', ID="X_3512", classes=["center", "incident"])
            central_line(model, X_511, X_3512, 511, 3512, incident=True)
            return promote_point_to_top(model, X_3507)


        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_3507 on the given reference triangle."""
            model = create_model('X_3507 = INTERSECTION OF LINES X_1X_2 AND X_32X_2319')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03507(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-03507.json"))
            write_center_svg(
                model_acute,
                here / "x-03507.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )