Wednesday, February 27, 2013

The most popular 3D formats



  • 3D Studio Max 3DS
  • Wavefront obj
  • ply is the a computer file format known as the Polygon File Format or the Stanford Triangle Format. The format was principally designed by the Stanford graphics lab to store three dimensional data from 3D scanners. Can also be used as alternative to STL.
  • STL is a file format native to the stereolithography CAD software created by 3D Systems. This file format is supported by many other software packages; it is widely used for rapid prototyping and computer-aided manufacturing.
  • wrl (vrml)/x3d/x3dv. X3D is the successor of VRML, but VRML remains popular in open-source and academics.

Sunday, February 24, 2013

X3DOM not working in Firefox

Firefox should support WebGL natively. If your Firefox browser shows that WebGL is not supported and your display driver is not blacklisted, try the following:

  1. Type about:config in Firefox address line
  2. Type in the search box webgl
  3. Set webgl.force-enabled = true
  4. Close the browser and launch it again

X3DOM case sensitivity

HTML encoding
  • without xmlns
  • lower-case tags (e.g. <x3d>) 
  • no-self closing tags

XHTML encoding
  • with xmlns
  • case-sensitive tags (e.g. <X3D>)
  • self-closing tags
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

Unified XHTML/HTML encoding
  • with xmlns
  • case-insensitive tags
  • no-self closing tags

Comparing smartwatches for adults (UK)

As I embark on my journey to choose my first standalone smartwatch to reduce my phone screen time, I've decided to invest in a standalon...