Fix regression in code dealing with vegetation indices calculations.

.github/workflows/ci.yml

@@ -26,7 +26,8 @@ jobs:
         version:
           - '1' # Replace this with the minimum Julia version that your package supports. E.g. if your package requires Julia 1.5 or higher, change this to '1.5'.
           #- '1' # Leave this line unchanged. '1' will automatically expand to the latest stable 1.x release of Julia.
-          #- 'nightly'
+          - '~1.10.0-0'
+          - 'nightly'
         os:
           - ubuntu-latest
           #- ubuntu-20.04
@@ -53,15 +54,15 @@ jobs:
           access_token: ${{ github.token }}
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         if: matrix.run_in_pr == true || github.event_name != 'pull_request'
 
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         env:
           cache-name: cache-artifacts
         with:
@@ -74,7 +75,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v5
         with:
           file: lcov.info
 
@@ -83,8 +84,8 @@ jobs:
     runs-on: ubuntu-latest
     #runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
       - run: |

src/spectral_indices.jl

@@ -535,10 +535,15 @@
 		o = sp_indices(@view(cube[:,:,bands[1]]), @view(cube[:,:,bands[2]]), @view(cube[:,:,bands[3]]); index=index, kw...)
 	end
 	if (mask || classes !== nothing)
-		O = mat2img(o, cube)
-		O.layout, O.range[5], O.range[6] = "BRPa", 0, (mask) ? 255 : length(classes)
+		if (isa(o, Matrix{<:Integer}))
+			# Don't know if this case still happens. It was for old code. Now, for masks, 'o' is already a GMTimage
+			O = mat2img(o, cube)
+			O.layout, O.range[5], O.range[6] = "BRPa", 0, (mask) ? 255 : length(classes)
+		else
+			O = o
+		end
 	else
-		O = mat2grid(o, cube)
+		O = isa(o, GMT.GMTgrid) ? o : mat2grid(o, cube)
 	end
 	O.names = [index * " index"]
 	(save_name != "") && gmtwrite(save_name, O)
@@ -781,13 +786,14 @@
 		end
 	end
 
-	if (isa(bnd1, GMT.GMTimage) || isa(bnd1, GMT.GMTgrid))
+	if (isa(bnd1, GMT.GMTimage) || isa(bnd1, GMT.GMTgrid) || isa(parent(bnd1), GMTimage))	# Last one is when slice is a SubArray{...
 		if (ismask || classes !== nothing)
-			I = mat2img(mask, proj4=bnd1.proj4, wkt=bnd1.wkt, x=bnd1.x, y=bnd1.y, epsg=bnd1.epsg, layout="BRPa")
+			I = mat2img(mask, isa(bnd1, GMT.GMTimage) ? bnd1 : parent(bnd1))
+			I.layout="BRPa"
 			I.range[5], I.range[6] = 0, (ismask) ? 255 : length(classes)
 			return I
 		else
-			return mat2grid(img, bnd1)
+			return mat2grid(img, isa(bnd1, GMT.GItype) ? bnd1 : parent(bnd1))
 		end
 	else
 		return img