javascript - Zooming Asset in Forge Viewer While selecting the asset from Tree menu

Question

1. We have implemented the Forge Viewer in our web application to display the REVIT files. For this we have used the code available in the below link. https://forge.autodesk.com/blog/forge-aspnet-zero-hero-30-minutes

   We have used the below code in aspx page.

   var viewer; var urn1; var accestoken1; var jsdata; function showModel(urn) { alert('showModel'); var options = { env: 'AutodeskProduction', getAccessToken: getForgeToken };

         Autodesk.Viewing.Initializer(options, () => {
             viewer = new Autodesk.Viewing.GuiViewer3D(document.getElementById('forgeViewer'), { extensions: ['Autodesk.DocumentBrowser'] });
             viewer.start();
             var documentId = 'urn:' + urn;
             urn1 = urn;            
             Autodesk.Viewing.Document.load(documentId, onDocumentLoadSuccess, onDocumentLoadFailure);   
         });
     }
   
     function onDocumentLoadSuccess(doc) {
         this.viewer.addEventListener(Autodesk.Viewing.GEOMETRY_LOADED_EVENT, (x) => {
         });
         var viewables = doc.getRoot().getDefaultGeometry();
         viewer.loadDocumentNode(doc, viewables).then(i => {
         });
     }
   

   2. Also We have extracted assets from REVIT file and store it in our external database(SQL database). For extracting assets we have used the below API. https://developer.api.autodesk.com/modelderivative/v2/designdata/" + objectIdBase64 + "/metadata/" + userGuid + "/properties

   The above 2 points are working fine. but we are not able to zoom the selected asset from asset tree. We need sample code for the below questions:

   Question 1: how to zoom the selected asset in forge viewer by clicking on the asset from tree? Please provide working source code for this.

   Question 2: We have searched some links they suggested to use FittoView() funvtion by passing the dbid as a parameter to zoom the asset. But while we extracting the asset from API, we did not get the dbid in JSON result. we are getting ExternalID only. Please let us know how to use the FittoView() in javascript and how to get the dbid while extracting assets from above API call.

   Thank you in advance.

question from:https://stackoverflow.com/questions/65840471/zooming-asset-in-forge-viewer-while-selecting-the-asset-from-tree-menu

Answer 1

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