X3728

X192com(INCENTRAL TRIANGLE)

< 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) { 37, 42 }: Central Line L(37, 42) { 38, 75 }: Central Line L(38, 75) { 8, 192 }: Central Line L(8, 192) { 31, 1778 }: Central Line L(31, 1778) { 668, 1221 }: Central Line L(668, 1221) { 9, 2209 }: Central Line L(9, 2209) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_8 = NAGEL POINT (0.4694, 0.1333) X_192 = -CEVA CONJUGATE OF X(2) (CONGRUENT PARALLELIANS POINT) (0.6147, 0.2635) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_1778 = MIMOSA TRANSFORM OF X(1171) (0.7708, 0.4831) X_668 = TRILINEAR POLE OF LINE X(2)X(37) (0.0159, 0.3302) X_1221 = ISOGONAL CONJUGATE OF X(1197) (0.5249, 0.1927) X_9 = MITTENPUNKT (0.5110, 0.1615) X_2209 = -ISOCONJUGATE OF X(330) (0.6618, 0.3583) X_3728 = com(INCENTRAL TRIANGLE) (0.5332, 0.1904) A B C X37 X42 X38 X75 X8 X192 X31 X1778 X668 X1221 X9 X2209 X3728 (a, b, c) = (5, 6, 7) | AB = 1

X3728 (X192com(INCENTRAL TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3728 = X_192com(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,
            nagel_point_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03728(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3728 = X_192com(INCENTRAL TRIANGLE) on reference triangle ABC."""
            X_3728 = eval_barycentric_point(model, A, B, C, '(a*(b + c)*(a*b**(2) + a*c**(2) + b*c**(2) + c*b**(2)))', ID="X_3728", classes=["selected", "target"])
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            central_line(model, X_37, X_42, 37, 42, incident=True)
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            central_line(model, X_38, X_75, 38, 75, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_192 = eval_trilinear_point(model, A, B, C, 'b*c*(c*a + a*b - b*c)', ID="X_192", classes=["center", "incident"])
            central_line(model, X_8, X_192, 8, 192, incident=True)
            return promote_point_to_top(model, X_3728)


        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_3728 on the given reference triangle."""
            model = create_model('X_3728 = X_192com(INCENTRAL TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03728(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-03728.json"))
            write_center_svg(
                model_acute,
                here / "x-03728.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )