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Render Service for DWF files

July 12th, 2007

Noted this option when passing through the features of FreeWheel from Autodesk

Rendering Service (http://dwfit.com/DWFImage.aspx)
This is a raw rendering service that provides no GUI. The service accepts an URL to a DWF, view parameters, and returns a rendered image file. You can build your own interactive or multi-platform viewer from this service. The “dwf.aspx” service above uses this service internally to produce the various views.

The DWF-to-image rendering service takes the same parameters as the interactive serivce, along with the following additions:

  • &width = <integer> The width of the image to produce (in pixels).
  • &height = <integer> The height the image to produce (in pixels).
  • &bg = <integer> Color of background in hexadecimal (bg=ff0000 for red or bg=80808080 for semi-transparent gray) or t (bg=t) for the original color in transparent.

For example, the following URL will render an image small enough to fit on most cell phone screens. It will view the center of page 3 of the Hotel5 zoomed in to a factor of 4 and generate a image that is 200×200 pixels:

and here’s the picture generated from that html.

(Tip: Click on the image to view a dynamically created image at 1000×1000)


200x200

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