From e2a88e62989bacc75d6e11afeec4127a8a95177e Mon Sep 17 00:00:00 2001
From: michael catchen <michael.catchen@colorado.edu>
Date: Tue, 26 Oct 2021 11:36:25 -0400
Subject: [PATCH] :sparkles: new file for resampling

---
 src/SimpleSDMLayers.jl     |  3 ++-
 src/operations/resample.jl | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 src/operations/resample.jl

diff --git a/src/SimpleSDMLayers.jl b/src/SimpleSDMLayers.jl
index b880faff..d2c4f79a 100644
--- a/src/SimpleSDMLayers.jl
+++ b/src/SimpleSDMLayers.jl
@@ -83,9 +83,10 @@ export WithinRadius, RandomSelection, SurfaceRangeEnvelope
 include(joinpath("operations", "coarsen.jl"))
 include(joinpath("operations", "sliding.jl"))
 include(joinpath("operations", "mask.jl"))
+include(joinpath("operations", "resample.jl"))
 include(joinpath("operations", "rescale.jl"))
 include(joinpath("operations", "mosaic.jl"))
-export coarsen, slidingwindow, mask, rescale!, rescale, mosaic
+export coarsen, slidingwindow, mask, rescale!, rescale, mosaic, resample
 
 include(joinpath("recipes", "recipes.jl"))
 export bivariate
diff --git a/src/operations/resample.jl b/src/operations/resample.jl
new file mode 100644
index 00000000..f909fa18
--- /dev/null
+++ b/src/operations/resample.jl
@@ -0,0 +1,34 @@
+function SimpleSDMLayers.resample(x) 
+    GeoData.resample(x)
+end
+
+"""
+    Code from GeoData.jl
+
+    warp(A::AbstractGeoArray, flags::Dict)
+
+function warp(A::AbstractGeoArray, flags::Dict)
+    odims = otherdims(A, (X, Y, Band))
+    if length(odims) > 0
+        # Handle dimensions other than X, Y, Band
+        slices = slice(A, odims)
+        warped = map(A -> _warp(A, flags), slices)
+        return combine(warped, odims)
+    else
+        return _warp(A, flags)
+    end
+end
+warp(st::AbstractGeoStack, flags::Dict) = map(A -> warp(A, flags), st)
+
+function _warp(A::AbstractGeoArray, flags::Dict)
+    flagvect = reduce([flags...]; init=[]) do acc, (key, val)
+        append!(acc, String[_asflag(key), _stringvect(val)...])
+    end
+    AG.Dataset(A) do dataset
+        AG.gdalwarp([dataset], flagvect) do warped
+            _maybe_permute_from_gdal(read(GeoArray(warped)), dims(A))
+        end
+    end
+end
+
+"""
\ No newline at end of file