[R] reading & understanding SVG?

[Boris Steipe]

Indeed you don't need R. This is accomplished in two minutes with the excellent, free, and open software inkscape. But before I type more and since I have it open anyway, I'll just send you the three images off-list.

B.




On 2014-04-21, at 10:43 AM, Spencer Graves wrote:

> 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 at structuremonitoring.com 
>> <mailto:spencer.graves at 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 at r-project.org <mailto:R-help at r-project.org> mailing list
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>>    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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> 
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