Merge branch 'main' into 479-imbrighten

src/IceFloeTracker.jl

@@ -72,7 +72,7 @@ include("special_strels.jl")
 include("tilingutils.jl")
 include("histogram_equalization.jl")
 include("brighten.jl")
-
+include("imcomplement.jl")
 
 const sk_measure = PyNULL()
 const sk_exposure = PyNULL()

src/imcomplement.jl

@@ -0,0 +1,7 @@
+function imcomplement(img::Matrix{T}) where {T<:Union{Unsigned,Int}}
+    return 255 .- img
+end
+
+function imcomplement(img::Matrix{Gray{Float64}})
+    return 1 .- img
+end

test/runtests.jl

@@ -22,7 +22,7 @@ testnames = [n[6:(end-3)] for n in alltests]
 
 to_test = alltests # uncomment this line to run all tests or add individual files below
 [
-# "test-create-landmask.jl",
+# "test-latlon.jl",
 # "test-create-cloudmask.jl",
 # "test-normalize-image.jl",
 # "test-persist.jl",

test/test-imcomplement.jl

@@ -0,0 +1,9 @@
+using IceFloeTracker: imcomplement
+
+@testset "imcomplement" begin
+    img = rand(0:255, 10, 10)
+    @test imcomplement(img) == 255 .- img
+
+    img = Gray.(img ./ 255)
+    @test imcomplement(img) == 1 .- img
+end

test/test-special-strels.jl

@@ -0,0 +1,15 @@
+using IceFloeTracker: se_disk4, se_disk20, se_disk50
+
+@testset "Special strels" begin
+    @testset "se_disk4" begin
+        @test sum(se_disk4()) == 37
+    end
+
+    @testset "se_disk20" begin
+        @test sum(se_disk20()) == 1301
+    end
+
+    @testset "se_disk50/se for landmask dilation" begin
+        @test sum(se_disk50()) == 8177
+    end
+end