Atlascope footprint output, display XYZ tiles url where available

ohmg/api/schemas.py

@@ -89,6 +89,7 @@ class MapListSchema2(Schema):
     sheet_ct: int
     volume_number: Optional[str]
     gt_exists: bool
+    xyz_tiles_exists: bool
     featured: bool
     hidden: bool
     document_ct: int
@@ -485,6 +486,7 @@ class LayerSetSchema(Schema):
     extent: Optional[tuple]
     multimask_extent: Optional[tuple]
     mosaic_cog_url: Optional[str]
+    xyz_tiles_url: Optional[str]
 
     @staticmethod
     def resolve_id(obj):

ohmg/core/models/map.py

@@ -207,6 +207,14 @@ def gt_exists(self):
             else False
         )
 
+    @property
+    def xyz_tiles_exists(self):
+        return (
+            True
+            if self.get_layerset("main-content") and self.get_layerset("main-content").xyz_tiles_url
+            else False
+        )
+
     @property
     def mj_exists(self):
         return (

ohmg/core/utils/s3.py

@@ -1,3 +1,5 @@
+from django.conf import settings
+
 def get_boto3_s3_client():
     import boto3
 

ohmg/extensions/views.py

@@ -1,6 +1,10 @@
+import json
+
+import topojson
 from django.http import JsonResponse
 from django.views import View
 
+from ohmg.conf.http import JsonResponseNotFound
 from ohmg.core.models import Map
 from ohmg.core.utils import full_reverse
 
@@ -62,7 +66,16 @@ def get(self, request, place, operation):
                 "name": f"{place.slug}-volume-extents",
                 "features": features,
             }
-            return JsonResponse(feature_collection)
+            topo = topojson.Topology(feature_collection)
+            topo_json = json.loads(topo.to_json())
+
+            ## extra key needed for atlascope detroit
+            if place.slug == "detroit-mi":
+                topo_json["objects"]["detroit-volume-extents"] = topo_json["objects"]["data"]
+            return JsonResponse(topo_json)
 
         elif operation == "coverages":
             return JsonResponse([{"name": str(place), "center": place.get_center()}], safe=False)
+
+        else:
+            return JsonResponseNotFound("invalid operation. must be 'footprints' or 'coverages'")

ohmg/frontend/svelte_components/src/components/map/MosaicDownload.svelte

@@ -75,6 +75,12 @@
         n/a
     {/if}
     </dd>
+    {#if ls.xyz_tiles_url}
+    <dt>XYZ tileset</dt>
+    <dd>
+        <pre style="margin:0;">{`${ls.xyz_tiles_url}/{z}/{x}/{y}.png`}</pre>
+    </dd>
+    {/if}
     <dt>IIIF Georef AnnotationPage (JSON)</dt>
     <dd>
         <Link

ohmg/frontend/svelte_components/src/components/tables/Maps.svelte

@@ -209,7 +209,8 @@
                 bind:offset
               /></th
             >
-            <th><SortableHeader title="GT" alt="A geotiff has been created for this map's main content" /></th>
+            <th class="new-col"><SortableHeader title="GT" alt="A geotiff has been created for this map's main content" /></th>
+            <th><SortableHeader title="XYZ" alt="An XYZ tileset has been created for this map's main content" /></th>
           </tr>
         </thead>
         <tbody>
@@ -257,6 +258,13 @@
                   <span style="color:red">x</span>
                 {/if}</td
               >
+              <td class="number-col"
+                >{#if s.xyz_tiles_exists}
+                  <span style="color:green">✓</span>
+                {:else}
+                  <span style="color:red">x</span>
+                {/if}</td
+              >
             </tr>
           {/each}
         </tbody>

pyproject.toml

@@ -46,6 +46,7 @@ dependencies = [
     # for celery beat
     "pytz",
     "rio-tiler>=5.0.3",
+    "topojson>=1.10",
 ]
 
 [project.optional-dependencies]