Update SourceWMTS.vue

Author: aleksmelnyk

src/components/sources/SourceWMTS.vue

@@ -28,7 +28,7 @@ export default {
 
       for (let z = 0; z < properties.tileZoomLevel; ++z) {
         resolutions[z] = size.value / Math.pow(2, z);
-        matrixIds[z] = z;
+        matrixIds[z] = props.tileMatrixPrefix + z;
       }
 
       return new WMTSTileGrid({
@@ -133,6 +133,10 @@ export default {
     layer: {
       type: String,
     },
+    tileMatrixPrefix: {
+      type: String,
+      default: ''
+    },
     styles: {
       type: [String, Array, Function],
     },