X3664

X37com(INTOUCH TRIANGLE)

X3664 = complement of X4416
< 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) incircle: Incircle of △ABC { 1, 7 }: Soddy Line { 10, 69 }: Central Line L(10, 69) { 58, 86 }: Central Line L(58, 86) { 6, 142 }: Central Line L(6, 142) { 222, 226 }: Central Line L(222, 226) { 255, 307 }: Central Line L(255, 307) 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_7 = GERGONNE POINT (0.5903, 0.2769) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_58 = ISOGONAL CONJUGATE OF X(10) (0.6107, 0.2850) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_142 = COMPLEMENT OF X(9) (0.5506, 0.2192) X_222 = -CEVA CONJUGATE OF X(56) (0.5653, 0.1568) X_226 = -CEVA CONJUGATE OF X(65) (0.5778, 0.2588) X_255 = ISOGONAL CONJUGATE OF X(158) (0.4217, 0.0365) X_307 = ISOTOMIC CONJUGATE OF X(29) (0.4659, 0.0959) X_3664 = com(INTOUCH TRIANGLE) (0.5760, 0.2439) A B C X1 X7 X10 X69 X58 X86 X6 X142 X222 X226 X255 X307 X3664 (a, b, c) = (5, 6, 7) | AB = 1

X3664 (X37com(INTOUCH TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3664 = X_37com(INTOUCH 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,
            gergonne_point_of,
            incenter_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03664(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3664 = X_37com(INTOUCH TRIANGLE) on reference triangle ABC."""
            X_3664 = eval_barycentric_point(model, A, B, C, '(2*a**(2) + a*(b + c) - (b - c)**(2))', ID="X_3664", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            central_line(model, X_1, X_7, 1, 7, incident=True)
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            central_line(model, X_10, X_69, 10, 69, incident=True)
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
            central_line(model, X_58, X_86, 58, 86, incident=True)
            return promote_point_to_top(model, X_3664)


        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_3664 on the given reference triangle."""
            model = create_model('X_3664 = X_37com(INTOUCH TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03664(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-03664.json"))
            write_center_svg(
                model_acute,
                here / "x-03664.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )