Re: [Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-26 Thread Michael Droettboom 
When matplotlib outputs an SVG, each unique character is assigned a 
numeric id (these are just assigned in order), and inserted as a def, 
and then used (referenced) wherever they are used.

When you paste on SVG into another, those names clash, and Inkscape is 
pulling in the wrong characters when it goes to draw.

Now, my gut feels that this is actually a bug in Inkscape -- pasting of 
referenced objects from one file into another should reassign new ids.  
However, I'm not an SVG expert, so I could be wrong, but I think I will 
take this question over to the Inkscape mailing list anyway.

That said, there are probably some workarounds that matplotlib could 
make (using a hash of the character's content as the id, for instance).  
I'll look into that and reply when progress has been made.

Mike

Kaushik Ghose wrote:
 Hi Everyone,

 I have a peculiar problem, and I wonder if anyone can assist me.

 I have two figures generated from matplotlib and saved as svgs. They 
 both print fine, and they load in Inkscape just fine.

 However, when I copy one figure and paste it into the other, the pasted 
 figure's labels and text become garbled.

 Screenshots on this page
 http://assorted-experience.blogspot.com/2008/03/inkscape-matplotlibs-svg-one-strange.html


 Any suggestions would be most welcome
 Thanks
 -Kaushik

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Space Telescope Science Institute
Operated by AURA for NASA


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Re: [Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-26 Thread Peter I. Hansen 
On Tue, Mar 25, 2008 at 11:33 PM, Kaushik Ghose [EMAIL PROTECTED] wrote:
 Hi Everyone,

  I have a peculiar problem, and I wonder if anyone can assist me.

  I have two figures generated from matplotlib and saved as svgs. They
  both print fine, and they load in Inkscape just fine.

  However, when I copy one figure and paste it into the other, the pasted
  figure's labels and text become garbled.

A trick that works for me is to produce eps files with matplotlib,
import them in scribus, and then export them to svg. Then they seem to
be nicely compatible with inkscape.

-Peter

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Re: [Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-26 Thread Michael Droettboom 
I didn't write the first pass of SVG support, that was done before I got 
involved -- I'm not sure who to credit, but he or she deserves most of it.

I did add the feature that's causing grief here -- the embedding of 
character outlines directly in the SVG file.

I've committed a change in SVN (both the trunk and the branch) that 
should resolve your problem.  I've written the inkscape mailing list 
about the correct solution, but I figure we need a workaround in mpl 
regardless.

If you're not tracking SVN, you can replace your copy of backend_svg.py 
with this one, and it should *probably* work:

http://matplotlib.svn.sourceforge.net/viewvc/*checkout*/matplotlib/branches/v0_91_maint/lib/matplotlib/backends/backend_svg.py?revision=5023pathrev=5023

Cheers,
Mike

Kaushik Ghose wrote:
 Hi Mike,

 Ah, such prompt, friendly and knowledgeable help!

 You're the guy implementing svg support in matplotlib, right? Thanks 
 so much for implementing this!!!
 If I can do anything to assist please tell me.

 Thanks again,
 -Kaushik

 Michael Droettboom wrote:
 When matplotlib outputs an SVG, each unique character is assigned a 
 numeric id (these are just assigned in order), and inserted as a 
 def, and then used (referenced) wherever they are used.

 When you paste on SVG into another, those names clash, and Inkscape 
 is pulling in the wrong characters when it goes to draw.

 Now, my gut feels that this is actually a bug in Inkscape -- pasting 
 of referenced objects from one file into another should reassign new 
 ids.  However, I'm not an SVG expert, so I could be wrong, but I 
 think I will take this question over to the Inkscape mailing list 
 anyway.

 That said, there are probably some workarounds that matplotlib could 
 make (using a hash of the character's content as the id, for 
 instance).  I'll look into that and reply when progress has been made.

 Mike

 Kaushik Ghose wrote:
 Hi Everyone,

 I have a peculiar problem, and I wonder if anyone can assist me.

 I have two figures generated from matplotlib and saved as svgs. They 
 both print fine, and they load in Inkscape just fine.

 However, when I copy one figure and paste it into the other, the 
 pasted figure's labels and text become garbled.

 Screenshots on this page
 http://assorted-experience.blogspot.com/2008/03/inkscape-matplotlibs-svg-one-strange.html
  



 Any suggestions would be most welcome
 Thanks
 -Kaushik

 - 

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 It's the best place to buy or sell services for
 just about anything Open Source.
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 Matplotlib-users@lists.sourceforge.net
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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Re: [Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-26 Thread Michael Droettboom 
Peter I. Hansen wrote:
 On Tue, Mar 25, 2008 at 11:33 PM, Kaushik Ghose [EMAIL PROTECTED] wrote:
   
 Hi Everyone,

  I have a peculiar problem, and I wonder if anyone can assist me.

  I have two figures generated from matplotlib and saved as svgs. They
  both print fine, and they load in Inkscape just fine.

  However, when I copy one figure and paste it into the other, the pasted
  figure's labels and text become garbled.
 

 A trick that works for me is to produce eps files with matplotlib,
 import them in scribus, and then export them to svg. Then they seem to
 be nicely compatible with inkscape.
   
I wonder if you could skip a step and just use the Cairo backend to 
output SVG?  Does that not work?  It should be quite similar.

Mike

-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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Re: [Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-26 Thread Michael Droettboom 
For the sake of the list, I'm linking the response to my question on the 
Inkscape mailing list -- this is certainly an Inkscape bug, that their 
copy-and-paste functionality does not handle use/defs correctly.

However, as the workaround in mpl was easy enough, we don't have to wait 
for Inkscape to fix what sounds like a difficult problem.

http://sourceforge.net/mailarchive/forum.php?thread_name=3c78ff030803260851l36e71d12n173fb77d4ddc4579%40mail.gmail.comforum_name=inkscape-devel

Cheers,
Mike

Kaushik Ghose wrote:
 Hi Mike,

 I replaced the current file with your modified one, and it works fine 
 - I pasted three figures together and had not problems. (I am on 
 Windows XP, Python 2.5)

 Thanks again for maintaining and enhancing matplotlib!
 -Kaushik

 Michael Droettboom wrote:
 I didn't write the first pass of SVG support, that was done before I 
 got involved -- I'm not sure who to credit, but he or she deserves 
 most of it.

 I did add the feature that's causing grief here -- the embedding of 
 character outlines directly in the SVG file.

 I've committed a change in SVN (both the trunk and the branch) that 
 should resolve your problem.  I've written the inkscape mailing list 
 about the correct solution, but I figure we need a workaround in 
 mpl regardless.

 If you're not tracking SVN, you can replace your copy of 
 backend_svg.py with this one, and it should *probably* work:

 http://matplotlib.svn.sourceforge.net/viewvc/*checkout*/matplotlib/branches/v0_91_maint/lib/matplotlib/backends/backend_svg.py?revision=5023pathrev=5023
  


 Cheers,
 Mike

 Kaushik Ghose wrote:
 Hi Mike,

 Ah, such prompt, friendly and knowledgeable help!

 You're the guy implementing svg support in matplotlib, right? Thanks 
 so much for implementing this!!!
 If I can do anything to assist please tell me.

 Thanks again,
 -Kaushik

 Michael Droettboom wrote:
 When matplotlib outputs an SVG, each unique character is assigned a 
 numeric id (these are just assigned in order), and inserted as a 
 def, and then used (referenced) wherever they are used.

 When you paste on SVG into another, those names clash, and Inkscape 
 is pulling in the wrong characters when it goes to draw.

 Now, my gut feels that this is actually a bug in Inkscape -- 
 pasting of referenced objects from one file into another should 
 reassign new ids.  However, I'm not an SVG expert, so I could be 
 wrong, but I think I will take this question over to the Inkscape 
 mailing list anyway.

 That said, there are probably some workarounds that matplotlib 
 could make (using a hash of the character's content as the id, for 
 instance).  I'll look into that and reply when progress has been made.

 Mike

 Kaushik Ghose wrote:
 Hi Everyone,

 I have a peculiar problem, and I wonder if anyone can assist me.

 I have two figures generated from matplotlib and saved as svgs. 
 They both print fine, and they load in Inkscape just fine.

 However, when I copy one figure and paste it into the other, the 
 pasted figure's labels and text become garbled.

 Screenshots on this page
 http://assorted-experience.blogspot.com/2008/03/inkscape-matplotlibs-svg-one-strange.html
  



 Any suggestions would be most welcome
 Thanks
 -Kaushik

 - 

 Check out the new SourceForge.net Marketplace.
 It's the best place to buy or sell services for
 just about anything Open Source.
 http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace
  

 ___
 Matplotlib-users mailing list
 Matplotlib-users@lists.sourceforge.net
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA


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[Matplotlib-users] problems in Inkscape with SVG exported from matplotlib

2008-03-25 Thread Kaushik Ghose 
Hi Everyone,

I have a peculiar problem, and I wonder if anyone can assist me.

I have two figures generated from matplotlib and saved as svgs. They 
both print fine, and they load in Inkscape just fine.

However, when I copy one figure and paste it into the other, the pasted 
figure's labels and text become garbled.

Screenshots on this page
http://assorted-experience.blogspot.com/2008/03/inkscape-matplotlibs-svg-one-strange.html


Any suggestions would be most welcome
Thanks
-Kaushik

-
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