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#### converting vrml FontStyle size to Point Font size

I read in the VRML 1.0(C) spec that the units of the FontStyle size
field are in "object space units." How can I convert this to a
standard font size ala "points" (e.g. 10pt, 12pt, 14pt...)?


 0
mscdex
8/20/2007 5:11:16 AM
comp.lang.vrml 1409 articles. 0 followers. natty2006 (372) is leader.

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"mscdex" <mscdex@gmail.com> wrote in message
>I read in the VRML 1.0(C) spec that the units of the FontStyle size
> field are in "object space units." How can I convert this to a
> standard font size ala "points" (e.g. 10pt, 12pt, 14pt...)?
>

15 Ciceros=16 Picas, 15 Didots=16 Points

http://www.web3d.org/x3d/specifications/
ISO-IEC-19775-X3DAbstractSpecification_Revision1_to_Part1/
Part01/components/text.html

That is the link to the latest and greatest X3D.
Nothing has changed, really, if you accept any
differences between VRML1 and VRML2.

"object space units" means the explicit scaling applied to
VRML and X3D spacetime. By default, the displacement
from a 0 to a 1 is either one meter or one second.
For meters, the model object units may be scaled
by its parent hierarchy. For Text, this is set by size
and spacing where the line height is size times spacing
so you can work leading using relative values.

Now that CSS is stable and giantly accepted, maybe we
will see some XML X3D implementations using CSS
definitions for text styling and layout.

If you are modeling a type setting machine, then

If you are displaying text, just figure out fontstyle choices
reasonable for your visualization of the content relative to
its environment.
Since X3D handles complex International layout properties,
there are many possibilities,

Also, please have a look at X3D players that are providing
vector-based 2D text rendering, both screen-aligned and
to an arbitrary 2D surface in the scene. .

Best Regards,
Joe


 0
Joe
8/20/2007 3:46:43 PM

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