Added 2d iso vol test

test/seq/IsolatedVolumeTests.jl

@@ -1 +1,68 @@
-# TODO
+module IsolatedVolumeTests
+using Test
+using GridapTopOpt
+using Gridap
+
+using GridapEmbedded
+using GridapEmbedded.LevelSetCutters
+using Gridap.Geometry, Gridap.FESpaces, Gridap.CellData, Gridap.Adaptivity, Gridap.Arrays
+
+function main_2d(n;vtk)
+  order = 1
+  model = UnstructuredDiscreteModel(CartesianDiscreteModel((0,1,0,1),(n,n)))
+  update_labels!(1,model,x->x[1]≈0,"Gamma_D")
+  Ω = Triangulation(model)
+
+  reffe_scalar = ReferenceFE(lagrangian,Float64,order)
+  V_φ = TestFESpace(model,reffe_scalar)
+
+  f(x,y0) = abs(x[2]-y0) - 0.05
+  g(x,x0,y0,r) = sqrt((x[1]-x0)^2 + (x[2]-y0)^2) - r
+  f(x) = min(f(x,0.75),f(x,0.25),
+    g(x,0.15,0.5,0.1),
+    g(x,0.5,0.6,0.2),
+    g(x,0.85,0.5,0.1),
+    g(x,0.5,0.15,0.05))
+  φh = interpolate(f,V_φ)
+
+  geo = DiscreteGeometry(φh,model)
+  cutgeo = cut(model,geo)
+
+  bgcell_to_inoutcut = compute_bgcell_to_inoutcut(model,geo)
+  cell_to_color, color_to_group = GridapTopOpt.tag_isolated_volumes(model,bgcell_to_inoutcut;groups=((GridapTopOpt.CUT,IN),OUT))
+
+  color_to_tagged = GridapTopOpt.find_tagged_volumes(model,["Gamma_D"],cell_to_color,color_to_group)
+  cell_to_tagged = map(c -> color_to_tagged[c], cell_to_color)
+
+  μ = GridapTopOpt.get_isolated_volumes_mask(cutgeo,["Gamma_D"])
+
+  # Expected
+  f(x) = min(g(x,0.15,0.5,0.1),g(x,0.85,0.5,0.1))
+  fh = interpolate(f,V_φ)
+  _geo = DiscreteGeometry(fh,model)
+  _bgcell_to_inoutcut = compute_bgcell_to_inoutcut(model,_geo)
+  _data = CellField(collect(Float64,_bgcell_to_inoutcut .<= 0),Triangulation(model))
+
+  @test get_data(μ) == get_data(_data)
+
+  if vtk
+    writevtk(
+      Ω,"results/background",
+      cellfields=[
+        "φh"=>φh,
+        "μ"=>μ,
+      ],
+      celldata=[
+        "inoutcut"=>bgcell_to_inoutcut,
+        "volumes"=>cell_to_color,
+        "tagged"=>cell_to_tagged,
+      ];
+      append=false
+    )
+  end
+end
+
+main_2d(41;vtk=false)
+main_2d(100;vtk=false)
+
+end

test/seq/runtests.jl

@@ -10,9 +10,10 @@ using Test
 @time @testset "Inverter - HPM" begin include("InverterHPMTests.jl") end
 @time @testset "PZMultiFieldRepeatingState - ALM" begin include("PZMultiFieldRepeatingStateTests.jl") end
 @time @testset "JLD2SaveLoad" begin include("JLD2SaveLoad.jl") end
-@time @testset "Embedded" begin 
+@time @testset "Embedded" begin
   include("EmbeddedDifferentiationTests.jl")
   include("EmbeddedCollectionsTests.jl")
+  include("IsolatedVolumeTests.jl")
 end
 @time @testset "UnfittedEvolution" begin include("UnfittedEvolutionTests/runtests.jl") end