some initial work on sat extension

Terradue · Sep 6, 2020 · 649e87a · 649e87a
1 parent 22377e7
commit 649e87a
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Showing 24 changed files with 1,402 additions and 46 deletions.
diff --git a/notebooks/example.ipynb b/notebooks/example.ipynb
diff --git a/src/DotNetStac.Test/Examples/Example1Test.cs b/src/DotNetStac.Test/Examples/Example1Test.cs
@@ -11,20 +11,38 @@ namespace Stac.Test.Example
 {
     public class Example1Test
     {
-        // [Fact]
+        [Fact]
         public void Deserialize()
         {
-            IStacCatalog catalog = (IStacCatalog)StacFactory.Load("https://cbers-stac-0-7.s3.amazonaws.com/CBERS4/MUX/027/069/catalog.json");
+            IStacCatalog catalog = (IStacCatalog)StacFactory.Load("https://cbers-stac-0-7.s3.amazonaws.com/CBERS4/MUX/027/catalog.json");
 
             Console.Out.WriteLine(catalog.Id);
             Console.Out.WriteLine(catalog.StacVersion);
 
-            foreach (var item in catalog.GetItems().Values)
+            ListChildrensItemsAndAssets(catalog);
+
+        }
+
+        public static void ListChildrensItemsAndAssets(IStacCatalog catalog, string prefix = "")
+        {
+            foreach (var child in catalog.GetChildren().Values)
             {
-                Console.Out.WriteLine(item.Id);
+                Console.Out.WriteLine(prefix + child.Id);
+
+                foreach (var item in child.GetItems().Values)
+                {
+                    Console.Out.WriteLine(prefix + " " + item.Id);
+                    foreach (var asset in item.Assets.Values)
+                    {
+                        Console.Out.WriteLine(prefix + " *" + asset.Uri);
+                    }
+                }
+
+                ListChildrensItemsAndAssets(child, prefix + " ");
             }
         }
 
+
         [Fact]
         public void CanSerializeSentinel2Sample()
         {
@@ -178,5 +196,6 @@ public void CanSerializeSentinel2Sample()
 
         }
 
+
     }
 }
diff --git a/src/DotNetStac.Test/Item/SatExtensionTests.cs b/src/DotNetStac.Test/Item/SatExtensionTests.cs
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Stac.Extensions.Sat;
+using GeoJSON.Net;
+using GeoJSON.Net.Geometry;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Stac.Item;
+using Xunit;
+
+namespace Stac.Test.Item
+{
+    public class SatExtensionTests : TestBase
+    {
+        [Fact]
+        public void CalculatePerpendicularBaseline()
+        {
+            var sentinel1Json_1 = GetExpectedJson("Item", "S1A_IW_SLC__1SDV_20150305T051937_20150305T052005_004892_006196_ABBB");
+            var sentinel1Json_2 = GetExpectedJson("Item", "S1A_IW_SLC__1SDV_20150317T051938_20150317T052005_005067_0065D5_B405");
+
+            IStacItem sentinel1Item_1 = JsonConvert.DeserializeObject<StacItem>(sentinel1Json_1);
+            IStacItem sentinel1Item_2 = JsonConvert.DeserializeObject<StacItem>(sentinel1Json_2);
+
+            SatStacExtension satExtension_1 = sentinel1Item_1.GetExtension<SatStacExtension>();
+            SatStacExtension satExtension_2 = sentinel1Item_2.GetExtension<SatStacExtension>();
+
+            double baseline = satExtension_1.CalculateBaseline(satExtension_2);
+
+
+        }
+
+    }
+}
diff --git a/...atExtensionTests_S1A_IW_SLC__1SDV_20150305T051937_20150305T052005_004892_006196_ABBB.json b/...atExtensionTests_S1A_IW_SLC__1SDV_20150305T051937_20150305T052005_004892_006196_ABBB.json
@@ -0,0 +1,221 @@
+{
+  "stac_version": "1.0.0-beta.2",
+  "stac_extensions": [
+    "checksum",
+    "sar",
+    "sat"
+  ],
+  "id": "S1A_IW_SLC__1SDV_20150305T051937_20150305T052005_004892_006196_ABBB",
+  "type": "Feature",
+  "bbox": [
+    9.768469,
+    40.479584,
+    13.182633,
+    42.516747
+  ],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [
+          12.756503,
+          40.479584
+        ],
+        [
+          9.768469,
+          40.877575
+        ],
+        [
+          10.115331,
+          42.516747
+        ],
+        [
+          13.182633,
+          42.119347
+        ],
+        [
+          12.756503,
+          40.479584
+        ]
+      ]
+    ]
+  },
+  "properties": {
+    "datetime": null,
+    "start_datetime": "2015-03-05T05:19:37.9237880Z",
+    "end_datetime": "2015-03-05T05:20:05.2359650Z",
+    "platform": "sentinel-1a",
+    "constellation": "sentinel-1",
+    "instruments": [
+      "c-sar"
+    ],
+    "sat:orbit_state": "descending",
+    "sat:relative_orbit": 95,
+    "sar:instrument_mode": "IW",
+    "sar:polarizations": [
+      "VV",
+      "VH"
+    ],
+    "sar:swaths": [
+      "IW1",
+      "IW2",
+      "IW3"
+    ],
+    "sar:resolution_range": 3.5,
+    "sar:resolution_azimuth": 22,
+    "sar:pixel_spacing_range": 2.3,
+    "sar:pixel_spacing_azimuth": 14.1,
+    "sar:looks_range": 1,
+    "sar:looks_azimuth": 1,
+    "sar:looks_equivalent_number": 1,
+    "sar:frequency_band": "C",
+    "sar:center_frequency": 5.405,
+    "sar:product_type": "SLC",
+    "sat:orbit_state_vectors": [
+      {
+        "time": "2015-03-05T05:19:40.103Z",
+        "position": [
+          5082939.4189831074,
+          1595651.7369050409,
+          4648033.5588545678
+        ],
+        "velocity": [
+          5173.8779329387489,
+          -269.5432365485845,
+          -5550.246440359806
+        ]
+      },
+      {
+        "time": "2015-03-05T05:19:45.449Z",
+        "position": [
+          5110519.0376543682,
+          1594174.328112772,
+          4618284.7202579351
+        ],
+        "velocity": [
+          5143.1200754073143,
+          -283.12343661734587,
+          -5578.2160610647188
+        ]
+      },
+      {
+        "time": "2015-03-05T05:19:50.449Z",
+        "position": [
+          5136162.3887853986,
+          1592727.024757518,
+          4590328.5904560406
+        ],
+        "velocity": [
+          5114.1961953273549,
+          -295.79384304587683,
+          -5604.2108611458289
+        ]
+      },
+      {
+        "time": "2015-03-05T05:19:55.924Z",
+        "position": [
+          5164072.5441757264,
+          1591069.8320865589,
+          4559571.316048217
+        ],
+        "velocity": [
+          5082.3526507991337,
+          -309.63210108985578,
+          -5632.4913494303792
+        ]
+      },
+      {
+        "time": "2015-03-05T05:20:00.765Z",
+        "position": [
+          5188609.7603185736,
+          1589541.212127296,
+          4532241.9604941187
+        ],
+        "velocity": [
+          5054.0385357467367,
+          -321.84144931789291,
+          -5657.3419096395919
+        ]
+      },
+      {
+        "time": "2015-03-05T05:20:05.765Z",
+        "position": [
+          5213806.5408000136,
+          1587900.5449101711,
+          4503891.4133093376
+        ],
+        "velocity": [
+          5024.6493178792934,
+          -334.42045595717849,
+          -5682.8512214013936
+        ]
+      }
+    ],
+    "sat:absolute_orbit": 4892
+  },
+  "assets": {
+    "noises_iw1_vh": {
+      "href": "./annotation/calibration/noise-s1a-iw1-slc-vh-20150305t051939-20150305t052005-004892-006196-001.xml",
+      "title": "Calibration Schema",
+      "type": "text/xml",
+      "sar:polarizations": [
+        "VH"
+      ],
+      "sar:swath": [
+        "IW1"
+      ]
+    },
+    "calibrations_iw1_vh": {
+      "href": "./annotation/calibration/calibration-s1a-iw1-slc-vh-20150305t051939-20150305t052005-004892-006196-001.xml",
+      "title": "Noise Schema",
+      "type": "text/xml",
+      "sar:polarizations": [
+        "VH"
+      ],
+      "sar:swath": [
+        "IW1"
+      ]
+    },
+    "products_iw1_vh": {
+      "href": "./annotation/s1a-iw1-slc-vh-20150305t051939-20150305t052005-004892-006196-001.xml",
+      "title": "Product Schema",
+      "type": "text/xml",
+      "sar:polarizations": [
+        "VH"
+      ],
+      "sar:swath": [
+        "IW1"
+      ]
+    },
+    "measurement_iw1_vh": {
+      "href": "./measurement/s1a-iw1-slc-vh-20150305t051939-20150305t052005-004892-006196-001.tiff",
+      "title": "Measurements",
+      "type": "image/tiff",
+      "sar:polarizations": [
+        "VH"
+      ],
+      "sar:swath": [
+        "IW1"
+      ]
+    },
+    "thumbnail": {
+      "href": "./preview/quick-look.png",
+      "title": "Thumbnail",
+      "type": "image/png"
+    }
+  },
+  "links": [
+    {
+      "rel": "self",
+      "href": "https://example.com/collections/sentinel-1/items/S1A_EW_GRDM_1SSH_20181103T235855_20181103T235955_024430_02AD5D_5616"
+    },
+    {
+      "rel": "parent",
+      "href": "https://example.com/collections/sentinel-1"
+    },
+    {
+      "rel": "root",
+      "href": "https://example.com/collections"
+    }
+  ]
+}