Virtual Learning Factory Toolkit
  • Virtual Learning Factory Toolkit
  • VLF Knowledge Base
    • Factory Data Model
      • OWL Classes
      • SPARQL Queries
      • SPARQL Updates
    • Instantiation of Factory Models
      • Assets
        • Assets in Spreadsheet
        • Assets in JSON
        • Assets in Ontology
      • 3D Models of Assets
        • 3D Models for Virtual Reality
      • Animations
      • Data Repositories
        • Local Repository
        • Remote Repository
  • VLF Tools and Libraries
    • OntoGui
      • Modules
        • Control Panel
        • Individual Manager
        • System Design
        • Utilities
      • Personalization
    • OntoGuiWeb
      • Modules
        • Control Panel
        • SPARQL
        • Graphs OWL
        • Utilities
        • Asset Design
        • System Design
        • System Control
        • Performance Evaluation
        • MQTT Sync
        • Virtual Environment
        • Graphs Eng
        • StateChart
      • Personalization
    • jsimIO
      • How to start
      • JMT Overview
        • JSim
          • Model generation
          • Launch of the simulation
          • Reporting
        • Bibliography
    • VEB.js
      • Functionalities
      • Input/Output files
      • Integration with other software tools
      • Advanced Users
    • ApertusVR
    • MTM
      • How to start
      • Formalise the process
      • Prepare input data
      • Execution and results
    • MOST
      • How to start
      • Formalise the process
      • Prepare input data
      • Execution and results
    • RULA
      • How to start
      • Formalise the process
      • Prepare input data
      • Execution and results
    • OCRA
      • How to start
      • Prepare input data
      • Execution and results
  • Use Cases
    • Automated Assembly Line
    • Assets and Animations
    • Modelling of Factory Assets
      • Modelling of an Assembled Product
      • Modelling of a Workstation
      • 3D Modelling of a Workstation for Virtual Reality
    • Process Modelling
      • Modelling an Assembly Process
    • Modelling of a manufacturing system
      • Modelling in OntoGui
      • Modelling a Job Shop using OntoGui
      • Modelling of a Flow Shop using OntoGui
      • Modelling a Hybrid Flow Shop using OntoGui
      • Modelling an assembly system using OntoGui
    • Performance evaluation using jsimIO
      • Performance evaluation of a manufacturing system
        • Performance evaluation in Jsim
        • Performance evaluation of a Flow Shop using Jsim
        • Performance Evaluation of a Job Shop using JSim
        • Performance evaluation of a Hybrid Flow Shop using Jsim
        • Performance evaluation of an assembly system using Jsim
      • jsimIO Assembly
      • jsimIO Automatic
      • jsimIO Production
  • Classworks
  • Advanced Features
    • JMT model
      • Automatic generation of a JMT model
      • Automatic generation of animations
    • Enabling technologies
      • Node-RED
        • Node-RED tutorial
      • RDF libraries
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  • Offline/Online use
  • VEB.js as a Tomcat service

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  1. VLF Tools and Libraries
  2. VEB.js

Advanced Users

Further functionalities of VEB.js can be developed by modifying HTML and JavaScript code that is available in the folder named $vebjs. This folder may be provided as as a single .zip file to be unzipped.

Node.js and NPM are needed to run the application. If Node.js and NPM are not already installed, it is possible to download and run the latest (LTS) Node.js installer confirming the default settings . NPM (Node Package Manager) is a package manager for JavaScript language and is included in this installation. For installing the dependencies, open the command prompt, go to directory $vebjs/js and execute command npm install

It is important to keep the original structure of the $vebjs folder to guarantee a correct execution of the application, including the access to already available scenes in subfolder $vebjs/Scenes.

To easily access local files (e.g. 3D models) it is necessary to launch a local host server, as explained in the following for Windows and MacOS.

Run on Windows: launch the application by double-clicking vebjs_launch.bat in the $vebjs folder and a browser page will be opened automatically at the address: http://localhost/vebjs.html?inputscene=

Run on MacOS: first open the terminal and go to the folder $vebjs. Then run the command sh vebjs_launch.sh and a browser page will be opened automatically at the address: http://localhost/vebjs.html?inputscene=

Offline/Online use

The default setting of the package allows to run the application offline by exploiting the libraries (modules) installed in $vebjs/node_modules. However, if an internet connection is available, the most recent version of the libraries can be accessed by manually modifying the file $vebjs/vebjs.html; in this case it is necessary to comment the whole "LOCAL" block and uncomment the "ONLINE STABLE" block in the <head>.

VEB.js as a Tomcat service

The contents of the folder $vebjs can be compressed in a .war file and the application launched as a Tomcat service.

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Last updated 3 years ago

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