title: using class Viewer from Forge Viewer Component (ng2-adsk-forge-viewer) Angular
body: <p>Im using Forge Viewer Component from (ng2-adsk-forge-viewer lib). I want to use the current viewer class (Autodesk.Viewing.Viewer3D) for another component, so another component can do some function impact to model. But i dont know the way to get that class ? anybody using that component can help me?
  Appreciate any comments.</p>
  <p>Paxton.</p>