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• By Will

DWG FastView Web SDK

The DWG FastView SDK for the web version is a browser-based, plugin-free online CAD drawing viewing development package that can be seamlessly integrated into various B/S systems to enable online CAD drawing viewing. Leveraging the powerful parsing technology of DWG FastView, it is compatible with various versions of CAD drawings (including Tengen drawings), accurately displaying CAD drawings. It also supports operations such as viewport panning/zooming, length/area measurement, layer switching, and toggling between model space and layouts. I. Supported Languages for User B/S Systems
  • Java
  • PHP
  • .NET
II. Server Hosting Environments for DWG FastView SDK Web Version
  • Windows Server
  • Linux Server
III. Viewing Features
  1. Opening CAD Drawings Online: Allows users to open CAD drawings of any version (DWG format) online.
  2. Mouse Operations:
    • Left Mouse Button: Directly pans the drawing for convenient viewing.
    • Mouse Wheel: Zooms in/out of the drawing; holding the wheel button pans the drawing, maintaining compatibility with CAD platform software.
  3. Tool Panel:
    • The tool panel is defaulted to the left side of the interface but can be dragged to the bottom by the user based on their monitor setup and preferences.
  4. View Tools:
    • Display Full Drawing: Zooms out to show all elements of the drawing.
    • Move View: Pans the view.
    • Window Zoom: Zooms in on an area specified by the opposite corners of a rectangular window.
    • Zoom In View: Zooms in by a certain ratio from the center of the view.
    • Zoom Out View: Zooms out by a certain ratio from the center of the view.
    • Background Color: Sets the background color to either white or black.
    • Full Screen Display: Expands the viewing area to fill the entire screen.
  5. File Tools:
    • Open Drawing: Opens a new local drawing.
    • Upload Font: Uploads new fonts to solve text parsing issues.
    • Save As Different Version: Saves the drawing as different formats such as AutoCAD 2000, 2004, 2007, 2010, 2013, etc.
    • Export Image: Captures and saves a portion of the drawing as an image.
    • Print: Provides simple printing functionality with a preview option.
    • Export PDF: Conveniently exports to PDF.
  6. Measurement Tools:
    • Measure Length: Measures the distance between two points and displays the result at the top of the screen.
    • Measure Area: Measures the area of a polygon; clicking with the left mouse button confirms the polygon and displays the area measurement at the top of the screen.
  7. Layer/Layout Panel:
    • Displays the layers and layouts list within the drawing.
    • Allows toggling layers on/off by clicking the light bulb icon next to each layer.
    • Enables layout switching by clicking on the layout name.
IV. Technical Integration
  1. Comprehensive SDK and Documentation: DWG FastView provides a complete SDK along with detailed technical documentation and development support.
  2. Components of the SDK:
    • The SDK includes scheduling, conversion, and display programs. The scheduling and conversion programs run on the server to convert DWG files for quick subsequent display. The display program is a Flash component that can be embedded into user web pages to facilitate drawing viewing and operations.
  3. Focused Functionality: DWG FastView SDK is dedicated to user-specified drawing viewing operations. File management and storage are handled by the user's system, ensuring clear technical separation and simple integration, offering strong user operability and flexibility.
By integrating DWG FastView SDK, users can achieve a highly functional and efficient online CAD drawing viewing solution within their B/S systems, enhancing their ability to manage and utilize CAD data effectively.