Integrated feature - Displaying extent of available data

myproject/addFile.py

@@ -0,0 +1,17 @@
+import os
+import django
+
+def populate():
+    files = satelliteMetadataFiles().__class__.objects.all()
+    # print(files)
+    for file in files:
+        file.filename = file.filename[3:]
+        print(file.filename)
+        file.save()
+
+if __name__ == '__main__':
+    print("Starting script...")
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myproject.settings')
+    django.setup()
+    from myapp.models import *
+    populate()

myproject/myapp/migrations/0006_satellitemetadatafiles.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.2 on 2019-06-20 06:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('myapp', '0005_auto_20190613_0938'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='satelliteMetadataFiles',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('filename', models.CharField(default='', max_length=100)),
+            ],
+        ),
+    ]

myproject/myapp/models.py

@@ -15,4 +15,7 @@ class UserProfileInfo(models.Model):
 	profile_pic = models.ImageField(upload_to='profile_pics',blank=True)
 	indicesList = models.CharField(max_length = 20000,default = "NDVI:((nir-r)/(nir+r))")
 	def __str__(self):
-  		return self.user.username
+  		return self.user.username
+
+class satelliteMetadataFiles(models.Model):
+	filename = models.CharField(max_length = 100,default="")

myproject/myapp/templates/home.html

@@ -118,6 +118,7 @@
         </div>
         <div id="mapNGraphContainer">
             <a class="slide" href="javascript:void(0)" onclick="toggleDivClass();" id="showGraphLink">Slide Out</a>
+            <a class="slide" href="javascript:void(0)" onclick="showFootprints();" id="showFootprints">Show Footprints</a>
             <div id = "map" class="showDiv"></div>
             <div id = "tester" class="showDiv"></div>
         </div>
@@ -202,4 +203,53 @@
         </div>
     </body>
     <script src="{% static 'js/script.js' %}"></script>
+    <script>
+      function showFootprints()
+        {
+          footPrintsArr = []
+          sendRequest("/myapp/getFootprints/","GET")
+          .then(function (response) {
+                response = JSON.parse(response);
+                console.log(response);
+                var arr = response.dict;
+                for(let i=0; i<arr.length; i++)
+                {
+                  lon_ul = arr[i]['    CORNER_UL_LON_PRODUCT']
+                  lat_ul = arr[i]['    CORNER_UL_LAT_PRODUCT']
+                  lon_ur = arr[i]['    CORNER_UR_LON_PRODUCT']
+                  lat_ur = arr[i]['    CORNER_UR_LAT_PRODUCT']
+                  lon_lr = arr[i]['    CORNER_LR_LON_PRODUCT']
+                  lat_lr = arr[i]['    CORNER_LR_LAT_PRODUCT']
+                  lon_ll = arr[i]['    CORNER_LL_LON_PRODUCT']
+                  lat_ll = arr[i]['    CORNER_LL_LAT_PRODUCT']
+                  data={
+                          "type": "Feature",
+                          "properties": {},
+                          "geometry": {
+                            "type": "Polygon",
+                            "coordinates": [
+                              [
+                                [lon_ul,lat_ul],//ul
+                                [lon_ur,lat_ur],//ur
+                                [lon_lr,lat_lr], //lr
+                                [lon_ll,lat_ll],//ll
+                                [lon_ul,lat_ul]
+                              ]
+                            ]
+                          }
+                        }
+                    footPrintsArr.push(data);
+                  }
+                  var exteriorStyle = {
+                    "color": 'black',
+                    "weight": 0,
+                    "fillOpacity": 0.01 
+                  };
+              L.geoJSON(footPrintsArr,{style: exteriorStyle}).addTo(map);
+            })        
+          .catch(function (error) {
+            console.log("Something went wrong", error);
+            });
+        }
+    </script>
 </html>

myproject/myapp/urls.py

@@ -12,4 +12,5 @@
      url(r'^user_login/$',views.user_login,name='user_login'),
      url(r'^getElevations/',myapp.views.getElevations, name = 'getElevations'),
      url(r'^loadCube/$',myapp.views.loadCube,name='loadCube'),
+     url(r'^getFootprints/$',myapp.views.getFootprints,name='getFootprints'),
 ]

myproject/myapp/views.py

@@ -9,7 +9,7 @@
 
 from django.http import HttpResponse, JsonResponse
 from django.shortcuts import render,redirect
-from myapp.models import indices,UserProfileInfo
+from myapp.models import *
 
 from myapp.forms import UserForm,UserProfileInfoForm
 from django.contrib.auth import authenticate, login as auth_login, logout
@@ -316,4 +316,33 @@ def map2pixel(mx,my,gt):
 	px = int((mx - gt[0]) / gt[1]) #x pixel
 	py = int((my - gt[3]) / gt[5]) #y pixel
 
-	return px,py
+	return px,py
+
+def length(fname):
+	with open(fname) as f:
+		for i, l in enumerate(f):
+			pass
+	return i + 1
+
+@login_required
+def getFootprints(request):
+	d = {}
+	arr = []
+	if request.method == 'GET':
+		files = satelliteMetadataFiles.objects.all()
+		for file in files:
+			name = file.filename
+			filePath = str(name)
+			fileLength = length(filePath)
+			i=0
+			with open(filePath) as f:
+				for line in f:
+					i=i+1
+					if(i == fileLength):
+						break
+					(key, val) = line.split(' = ')
+					if(key == '    CORNER_UL_LON_PRODUCT' or key == '    CORNER_UL_LAT_PRODUCT' or key == '    CORNER_UR_LON_PRODUCT' or key == '    CORNER_UR_LAT_PRODUCT' or key == '    CORNER_LL_LON_PRODUCT' or key == '    CORNER_LL_LAT_PRODUCT' or key == '    CORNER_LR_LON_PRODUCT' or key == '    CORNER_LR_LAT_PRODUCT'):
+						print([key,float(val[:len(val)-1])])
+						d[key] = float(val[:len(val)-1])
+			arr.append(d)
+	return JsonResponse({'dict':arr,'error':'false'})

myproject/static/js/script.js

@@ -373,3 +373,4 @@ function getIndices(){
         }
     );
 }
+