Marko Čepo comments

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                                            Marko Čepo

how add mousewheel event to make a zoom in and zoom out

``` @ViewChild("gallery") gallery: NgxGalleryComponent; @HostListener("mousewheel", ["$event"]) onMousewheel(event) { if (event.wheelDelta > 0) { this.gallery.preview.zoomIn(); } else { this.gallery.preview.zoomOut(); } } ``` For future explorers

Add Image Layer(OverlayView) with entire image

https://github.com/mcepo/web-project/blob/38a1e05a4580c88aaf2503e842f75f4856f8212a/public_html/js/angular/services/map-apis/google/image-manager.service.js#L109 Hope this gets you started