Add bbox4326, bbox3857 & size

Author: DenisCarriere

CHANGELOG.md

@@ -1,6 +1,13 @@
 
 # Changelog
 
+## 2.3.0 - 2017-09-11
+
+- Add new replacers
+  - `{bbox4326}`: GeoJSON Bounding Box using EPSG:4326 (WGS84)
+  - `{bbox3857}`: GeoJSON Bounding Box using EPSG:3857 (World Mercator)
+  - `{size}`: default = 256,256
+
 ## 2.2.0 - 2017-09-08
 
 - Dropped throw errors on uncomplete parsed URL

README.md

@@ -45,6 +45,8 @@ You can provide your own scheme by following the same syntax as JOSM.
 -   `{-y}`: Tile Row for TMS scheme
 -   `{zoom}` or `{z}` or `{TileMatrix}`: Zoom Level
 -   `{bbox}`: GeoJSON Bounding Box
+-   `{bbox4326}`: GeoJSON Bounding Box using EPSG:4326 (WGS84)
+-   `{bbox3857}`: GeoJSON Bounding Box using EPSG:3857 (World Mercator)
 -   `{quadkey}` or `{q}`: Microsoft's Quadkey
 -   `{switch:1,2,3}`: Selects a random sample
 -   `{height}` default = 256

index.js

@@ -67,14 +67,12 @@ function wms (tile, url) {
     url = url.replace(/{width}/gi, '256')
     url = url.replace(/{size}/gi, '256,256')
     url = url.replace(/{(proj|srs|crs)}/gi, 'EPSG:3857')
-    var bbox
-    if (url.match(/EPSG:(3857|900913)/i)) {
-      bbox = bboxToMeters(googleToBBox(tile))
-    } else {
-      bbox = googleToBBox(tile)
-    }
-
-    if (url.match(/{bbox}/i)) { url = url.replace(/{bbox}/gi, bbox.join(',')) }
+    const bbox = googleToBBox(tile)
+    const bboxMeters = bboxToMeters(bbox)
+    if (url.match(/EPSG:(3857|900913)/i) && url.match(/{bbox}/i)) url = url.replace(/{bbox}/gi, bboxMeters.join(','))
+    if (url.match(/{bbox4326}/i)) url = url.replace(/{bbox4326}/gi, bbox.join(','))
+    if (url.match(/{bbox3857}/i)) url = url.replace(/{bbox3857}/gi, bboxMeters.join(','))
+    if (url.match(/{bbox}/i)) url = url.replace(/{bbox}/gi, bbox.join(','))
   }
   return url
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "slippy-tile",
-  "version": "2.2.0",
+  "version": "2.3.0",
   "description": "Helps convert Slippy Map url tile schemas",
   "main": "index.js",
   "types": "index.d.ts",

test.js

@@ -66,6 +66,11 @@ test('slippy-tile', t => {
     'http://hostname/?service=WMS&request=GetMap&version=1.3.0&layers=FooLayer&transparent=false&format=image/png&height=256&width=256&srs=EPSG:3857&bbox=-18472078,17532819.8,-18315535,17689362.6',
     'ogc.wms'
   )
+  t.equal(slippyTile([0, 0, 0],
+    'https://services.arcgisonline.com/arcgis/rest/services/ESRI_Imagery_World_2D/MapServer/export?bbox={bbox4326}&bboxSR=EPSG:4326&imageSR={srs}&size={size}&format=png&transparent=true&f=image', options),
+    'https://services.arcgisonline.com/arcgis/rest/services/ESRI_Imagery_World_2D/MapServer/export?bbox=-180,-85.051129,180,85.051129&bboxSR=EPSG:4326&imageSR=EPSG:3857&size=256,256&format=png&transparent=true&f=image',
+    'ESRI_Imagery_World_2D'
+  )
   slippyTile(TILE, 'https://ecn.t{switch:1,2,3}.tiles.virtualearth.net/tiles/a{quadkey}.jpeg')
   t.end()
 })