make tic labels optional for bar charts

pdb-js/src/app/plot.service.ts

@@ -202,6 +202,7 @@ export class PlotRequest {
   generateThumbnail : boolean;
   intervalUnit: string;
   intervalValue: number;
+  renderBarChartTickLabels: boolean = false;
   
   copy(): PlotRequest {
     return JSON.parse(JSON.stringify(this));

pdb-js/src/app/visualization-page/visualization-page.component.html

@@ -46,6 +46,9 @@
         </mat-select>
       </mat-form-field>
       </div>
+      <div [hidden]="!selectedPlotTypesContains('BAR')">
+        <mat-checkbox [(ngModel)]="renderBarChartTickLabels">Show Tic Labels (bar chart)</mat-checkbox>
+      </div>
      <pdb-y-axis-definition #y1AxisDefinitionComponent yIndex="1"></pdb-y-axis-definition>
      <pdb-y-axis-definition #y2AxisDefinitionComponent yIndex="2" [hidden]="!y2AxisAvailable"></pdb-y-axis-definition>
      

pdb-js/src/app/visualization-page/visualization-page.component.ts

@@ -53,6 +53,7 @@ export class VisualizationPageComponent implements OnInit {
   
   intervalUnit = 'NO_INTERVAL';
   intervalValue = 1;
+  renderBarChartTickLabels = false;
 
   constructor(private plotService: PlotService, private snackBar: MatSnackBar) {
   }
@@ -172,6 +173,7 @@ export class VisualizationPageComponent implements OnInit {
     request.generateThumbnail = this.enableGallery;
     request.intervalUnit = this.intervalUnit;
     request.intervalValue = this.intervalValue;
+    request.renderBarChartTickLabels = this.renderBarChartTickLabels;
     return request;
   }