Commits on Oct 28, 2024

1. [WIP] Add Latexify extension and AnalysisPoint support …

   Though it's really weird... it completely ignores the recipe. MWE:
   
   ```julia
   using ModelingToolkit
   using ModelingToolkit: t_nounits as t
   using ModelingToolkitStandardLibrary.Electrical
   using ModelingToolkitStandardLibrary.Mechanical.Rotational
   using ModelingToolkitStandardLibrary.Blocks
   using OrdinaryDiffEq
   using Plots
   
   @mtkmodel DCMotor begin
       @parameters begin
           R = 0.5, [description = "Armature resistance"] # Ohm
           L = 4.5e-3, [description = "Armature inductance"] # H
           k = 0.5, [description = "Motor constant"] # N.m/A
           J = 0.02, [description = "Inertia"] # kg.m²
           f = 0.01, [description = "Friction factor"] # N.m.s/rad
           tau_L_step = -0.3, [description = "Amplitude of the load torque step"] # N.m
       end
       @components begin
           ground = Ground()
           source = Voltage()
           ref = Blocks.Step(height = 1, start_time = 0)
           pi_controller = Blocks.LimPI(k = 1.1, T = 0.035, u_max = 10, Ta = 0.035)
           feedback = Blocks.Feedback()
           R1 = Resistor(R = R)
           L1 = Inductor(L = L)
           emf = EMF(k = k)
           fixed = Fixed()
           load = Torque()
           load_step = Blocks.Step(height = tau_L_step, start_time = 3)
           inertia = Inertia(J = J)
           friction = Damper(d = f)
           speed_sensor = SpeedSensor()
       end
       @equations begin
           connect(fixed.flange, emf.support, friction.flange_b)
           connect(emf.flange, friction.flange_a, inertia.flange_a)
           connect(inertia.flange_b, load.flange)
           connect(inertia.flange_b, speed_sensor.flange)
           connect(load_step.output, load.tau)
           connect(ref.output, feedback.input1)
           connect(speed_sensor.w, :y, feedback.input2)
           connect(feedback.output, pi_controller.err_input)
           connect(pi_controller.ctr_output, :u, source.V)
           connect(source.p, R1.p)
           connect(R1.n, L1.p)
           connect(L1.n, emf.p)
           connect(emf.n, source.n, ground.g)
       end
   end
   
   @nAmed model = DCMotor()
   
   sys = structural_simplify(model)
   connect(sys.speed_sensor.w, :y, sys.feedback.input2)
   
   using Latexify
   
   @latexrecipe function f(n::AnalysisPoint)
       env --> :equation
       cdot --> false
       index --> :subscript
       return nameof(n)
   end
   
   latexify(connect(sys.speed_sensor.w, :y, sys.feedback.input2))
   ```
   
   ```
   julia> latexify(connect(sys.speed_sensor.w, :y, sys.feedback.input2))
   ERROR: AssertionError: latexify does not support objects of type AnalysisPoint.
   Stacktrace:
     [1] _latexraw(args::AnalysisPoint; kwargs::@kwargs{…})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexraw.jl:109
     [2] process_latexify(args::Num; kwargs::@kwargs{convert_unicode::Bool, index::Symbol, env::Symbol})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:49
     [3] process_latexify
       @ ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:40 [inlined]
     [4] latexraw
       @ ~/.julia/packages/Latexify/ieukI/src/latexraw.jl:58 [inlined]
     [5] (::Latexify.var"#64#66"{@kwargs{convert_unicode::Bool, index::Symbol, env::Symbol}})(i::Num)
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexoperation.jl:21
     [6] iterate
       @ ./generator.jl:47 [inlined]
     [7] _collect(c::Vector{…}, itr::Base.Generator{…}, ::Base.EltypeUnknown, isz::Base.HasShape{…})
       @ Base ./array.jl:854
     [8] collect_similar
       @ ./array.jl:763 [inlined]
     [9] map
       @ ./abstractarray.jl:3285 [inlined]
    [10] latexoperation(ex::Expr, prevOp::Vector{Symbol}; kwargs::@kwargs{convert_unicode::Bool, index::Symbol, env::Symbol})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexoperation.jl:21
    [11] latexoperation
       @ ~/.julia/packages/Latexify/ieukI/src/latexoperation.jl:9 [inlined]
    [12] (::Latexify.var"#recurseexp!#44"{Bool, @kwargs{index::Symbol, env::Symbol}})(ex::Expr)
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexraw.jl:98
    [13] _latexraw(inputex::Expr; convert_unicode::Bool, kwargs::@kwargs{index::Symbol, env::Symbol})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexraw.jl:102
    [14] process_latexify(args::Expr; kwargs::@kwargs{index::Symbol, env::Symbol})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:49
    [15] process_latexify
       @ ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:40 [inlined]
    [16] latexraw
       @ ~/.julia/packages/Latexify/ieukI/src/latexraw.jl:58 [inlined]
    [17] _latexequation(eq::Expr; starred::Bool, kwargs::@kwargs{index::Symbol, env::Symbol})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexequation.jl:5
    [18] process_latexify(args::Equation; kwargs::@kwargs{})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:49
    [19] process_latexify
       @ ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:40 [inlined]
    [20] latexify(args::Equation; kwargs::@kwargs{})
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:27
    [21] latexify(args::Equation)
       @ Latexify ~/.julia/packages/Latexify/ieukI/src/latexify_function.jl:25
    [22] top-level scope
       @ REPL[14]:1
   Some type information was truncated. Use `show(err)` to see complete types.
   ```
   
   @gustaphe do you know why this recipe is missed?

   

   ChrisRackauckas committed Oct 28, 2024
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