On 8/4/19 3:00 PM, Kima wrote:
> I know I can put a text object on a geometrical shape by techniques such as
> "difference", but in this case, I need to know the width of the text to create
> an object with the same size?
> 
> How can I set a background for a text object when I don't know the width/length
> of the text?
> 
Hi. There are min_extent(), max_extent() object bounding box commands.

For what you are doing though, the object pattern using your text as the 
object is perhaps easier. See the shipped sample scene

<install dir>/scene/advanced/object_pattern.pov

or the more interesting abyss.pov where the PERSISTENCE text is written 
on the submarine (not perfectly aligned) using the object pattern.

You can find the most current sample scenes online at:

https://github.com/POV-Ray/povray/distribution.

Bill P.

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