[x3d-public] Appearance of Geometry in HTML

[Leonard Daly]

If HTML/CSS world, the appearance of an element is (ideally) set in the 
appropriate style definitions for the element using a combinations of 
classes, ids, tags, and hierarchy. This includes it's edge effects 
(border style, corner rounding, padding) and internal appearance (color, 
background color, gradients, fonts, etc.).

Using the same environment (HTML/CSS) and adding the 3D dimension (and 
maybe second cameras, markers, etc.) should the appearance of objects 
(geometry) be controlled by the appropriate style definitions? Why or 
why not?

If CSS+1D style definitions are used, then there is no need to any 
appearance nodes (Material, ImageTxture, etc.). It might be done as 
<Shape class='sign speedLimit'><IndexedFaceSet ...></Shape>. The classes 
would add the black border, yellow background, text color, etc.

The disadvantage is that some geometries may be require an extremely 
complex vertex (or face) assignment for this to be practical.

This method does align nicely with HTML and allows HTML tools and 
concepts to be carried over to 3D/VR/AR/xR.


-- 
*Leonard Daly*
3D Systems & Cloud Consultant
LA ACM SIGGRAPH Chair
President, Daly Realism - /Creating the Future/
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