fix(layer): transform scale to resolution from wms getCapabilities

infra-geo-ouverte · Jun 8, 2017 · 05e616f · 05e616f
1 parent 36c04b4
commit 05e616f
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/lib/datasource/shared/capabilities.service.ts b/src/lib/datasource/shared/capabilities.service.ts
@@ -90,8 +90,8 @@ export class CapabilitiesService {
       // defined under "alias" in the context
       alias: layer.Title,
       view: {
-        maxResolution: layer.MaxScaleDenominator ? Number(layer.MaxScaleDenominator) : Infinity,
-        minResolution: layer.MaxScaleDenominator ? Number(layer.MinScaleDenominator) : 8000,
+        maxResolution: this.getResolutionFromScale(layer.MaxScaleDenominator) || Infinity,
+        minResolution: this.getResolutionFromScale(layer.MinScaleDenominator) || 0
       },
       metadata: {
         url: metadata ? metadata.OnlineResource : undefined
@@ -136,4 +136,9 @@ export class CapabilitiesService {
     });
   }
 
+  private getResolutionFromScale(scale: number): number {
+    const dpi = 25.4 / 0.28;
+    return scale/(39.37 * dpi);
+  }
+
 }