getPercentage

projects/common-map/src/fm-map/components/legend/legend.component.html

@@ -23,7 +23,7 @@
       <div *ngIf="showHistogram()">
         <span class="bar" [style.background-color]="getHex(entry.color)" [style.width]="getPart(layer.renderer, i)">
         </span>
-        <span class="bar-label">{{getLabel(layer.renderer,i)}}</span>
+        <span *ngIf="getPercentage(layer.renderer,i) as percentage" class="bar-label">{{percentage | number:'1.0-2'}}</span>
       </div>
     </td>
   </tr>

projects/common-map/src/fm-map/components/legend/legend.component.ts

@@ -78,10 +78,10 @@ export class LegendComponent implements OnInit,AfterViewInit {
      return v;
   }
 
-  public getLabel(renderer: IRenderer, index: number): string {
+  public getPercentage(renderer: IRenderer, index: number): number {
     let scale = 100 / renderer.band.histogram.entries.reduce((sum, entry) => sum + entry.freqency, 0);
     let percent = renderer.band.histogram.entries[index].freqency * scale;
-    return percent < 0.1 ? "" : percent.toFixed(1) + " %";
+    return percent < 0.1 ? null : percent;
   }
 
   showLegend(): boolean {