p.s.  I don't need to use R for this, though I'd prefer to stay with 
something that's free, open-source software.  I tried GIMP, but couldn't 
see how to access the layers.


Hi, Peter:


On 4/21/2014 3:34 AM, Peter Crowther wrote:
> Spencer, what "components" do you want to extract?  Do the SVG files 
> have a reasonably well-defined structure?  I've done a fair amount 
> with SVG and may be able to help.


       Thanks.  I should have been more specific:  I'd like to try to 
extract into 3 separate files the weapons of mass destruction symbols 
from the "WMD_world_map.svg" image in the Wiikipedia article on "Weapons 
of mass destruction" 
(https://upload.wikimedia.org/wikipedia/commons/1/1d/WMD_world_map.svg).


       I've opened it in Emacs enough to see that it's a structured text 
file consistent with what little I know about XML.  It looks to me like 
a list, but without convenient names for the list components.


       Thanks again,
       Spencer


p.s.  I found the biohazard symbol by itself 
(https://upload.wikimedia.org/wikipedia/commons/c/c0/Biohazard_symbol.svg), 
but I didn't find the radioactive and skull-and-crossbones symbols in 
exactly that form.  (I didn't look seriously beyond Wikimedia commons, 
because I'm making a video, and I want something I can release under the 
Creative Commons Attribution-Share Alike license.

>
> - Peter
>
>
> On 21 April 2014 08:30, Spencer Graves 
> <spencer.graves@structuremonitoring.com 
> <mailto:spencer.graves@structuremonitoring.com>> wrote:
>
>     Hello:
>
>
>           What would you suggest I use to read and manipulate an SVG file?
>
>
>           I'd like to extract components of an svg file.  I see it's
>     XML, but I have very little experience with either SVG or XML.
>      I've tried GIMP and findFn{sos} without finding a clear
>     suggestion of where to start.
>
>
>           Thanks,
>           Spencer
>
>     ______________________________________________
>     R-help@r-project.org <mailto:R-help@r-project.org> mailing list
>     https://stat.ethz.ch/mailman/listinfo/r-help
>     PLEASE do read the posting guide
>     http://www.R-project.org/posting-guide.html
>     and provide commented, minimal, self-contained, reproducible code.
>
>


-- 
Spencer Graves, PE, PhD
President and Chief Technology Officer
Structure Inspection and Monitoring, Inc.
751 Emerson Ct.
San José, CA 95126
ph:  408-655-4567
web:www.structuremonitoring.com


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