From c3510948fd16fff3e6e26119d0b71fab4446c1ec Mon Sep 17 00:00:00 2001
From: Alexander Bock <mail@alexanderbock.eu>
Date: Sun, 10 Nov 2019 13:52:45 +0100
Subject: [PATCH] Add script function to easily add GIBS image layers to Earth

---
 ext/ghoul                                     |  2 +-
 .../globebrowsing/scripts/layer_support.lua   | 19 ++++++++++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/ext/ghoul b/ext/ghoul
index 38272a9b7d..e6ef5101e7 160000
--- a/ext/ghoul
+++ b/ext/ghoul
@@ -1 +1 @@
-Subproject commit 38272a9b7d30bc07656336d35cbaae3a24ffd4bb
+Subproject commit e6ef5101e7dd5e5ba19329ed9f5e5806e257b5ed
diff --git a/modules/globebrowsing/scripts/layer_support.lua b/modules/globebrowsing/scripts/layer_support.lua
index d76864112f..4ac0cf6971 100644
--- a/modules/globebrowsing/scripts/layer_support.lua
+++ b/modules/globebrowsing/scripts/layer_support.lua
@@ -48,6 +48,16 @@ openspace.globebrowsing.documentation = {
                 "}" ..
             ")"
     },
+    {
+        Name = "addGibsLayer",
+        Arguments = "string, string, string, string, string",
+        Documentation = "Adds a new layer from NASA GIBS to the Earth globe. Arguments " ..
+            "are: imagery layer name, imagery resolution, start date, end date, format. " ..
+             "For all specifications, see " ..
+            "https://wiki.earthdata.nasa.gov/display/GIBS/GIBS+Available+Imagery+Products" ..
+            "Usage:" ..
+            "openspace.globebrowsing.addGibsLayer('AIRS_Temperature_850hPa_Night', '2km', '2013-07-15', 'Present', 'png')"
+    },
     {
         Name = "parseInfoFile",
         Arguments = "string",
@@ -97,6 +107,14 @@ openspace.globebrowsing.documentation = {
     }
 }
 
+openspace.globebrowsing.addGibsLayer = function(layer, resolution, format, startDate, endDate)
+    if endDate == 'Present' then
+        endDate = ''
+    end
+    local xml = openspace.globebrowsing.createTemporalGibsGdalXml(layer, startDate, endDate, '1d', resolution, format)
+    openspace.globebrowsing.addLayer('Earth', 'ColorLayers', { Identifier = layer,  Type = "TemporalTileLayer", FilePath = xml })
+end
+
 openspace.globebrowsing.createTemporalGibsGdalXml = function (layerName, startDate, endDate, timeResolution, resolution, format)
     temporalTemplate =
         "<OpenSpaceTemporalGDALDataset>" ..
@@ -332,5 +350,4 @@ openspace.globebrowsing.loadWMSServersFromFile = function (file_path)
             )
         end
     end
-
 end