X3723

X1213com(INCENTRAL TRIANGLE)

X3723 = complement of X5564
< 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, 6 }: Incenter–Symmedian Line { 86, 536 }: Central Line L(86, 536) { 594, 1125 }: Central Line L(594, 1125) { 519, 1213 }: Central Line L(519, 1213) { 583, 1334 }: Central Line L(583, 1334) { 941, 1392 }: Central Line L(941, 1392) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1 = INCENTER (0.5714, 0.2333) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_536 = DIRECTION OF VECTOR AX + BX + CX, where X = X(37) (0.0840, -0.1727) X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672) X_1125 = COMPLEMENT OF X(10) (0.5459, 0.2083) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5294, 0.1914) X_583 = ORTHOGONAL OF X(500) (0.6638, 0.3726) X_1334 = POINT ALYA (0.5324, 0.1760) X_941 = ISOGONAL CONJUGATE OF X(940) (0.5671, 0.2256) X_1392 = ISOGONAL CONJUGATE OF X(1388) (0.6149, 0.4463) X_3723 = com(INCENTRAL TRIANGLE) (0.5678, 0.2290) A B C X1 X6 X86 X536 X594 X1125 X519 X1213 X583 X1334 X941 X1392 X3723 (a, b, c) = (5, 6, 7) | AB = 1

X3723 (X1213com(INCENTRAL TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3723 = X_1213com(INCENTRAL TRIANGLE)."""

        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_barycentric_point,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03723(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3723 = X_1213com(INCENTRAL TRIANGLE) on reference triangle ABC."""
            X_3723 = eval_barycentric_point(model, A, B, C, '(a*(2*a + 3*b + 3*c))', ID="X_3723", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_1, X_6, 1, 6, incident=True)
            X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
            X_536 = eval_barycentric_point(model, A, B, C, '2*b*c - c*a - a*b', ID="X_536", classes=["center", "incident"])
            central_line(model, X_86, X_536, 86, 536, incident=True)
            X_594 = eval_trilinear_point(model, A, B, C, '(b + c)**(2)/a', ID="X_594", classes=["center", "incident"])
            X_1125 = eval_trilinear_point(model, A, B, C, '(2*a+b+c)/a', ID="X_1125", classes=["center", "incident"])
            central_line(model, X_594, X_1125, 594, 1125, incident=True)
            return promote_point_to_top(model, X_3723)


        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_3723 on the given reference triangle."""
            model = create_model('X_3723 = X_1213com(INCENTRAL TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03723(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-03723.json"))
            write_center_svg(
                model_acute,
                here / "x-03723.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )