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24. June 2014

Inkscape: Problem importing PDF

Filed under: Windows — Tags: , , , , , , , , — Christopher Kramer @ 18:39

I just had problems importing a PDF into Inkscape. The PDF was an image of a graph generated by igraph for R. When importing, the circles of the vertices got replaced by the letter “q”.

I found the following workaround: I printed the PDF into a new PDF using FreePDF. The resulting PDF could then be imported into Inkscape without problems.

My original problem was that I wanted to include the graphs from igraph for R in Powerpoint as a vector graphic. As Powerpoint cannot include PDFs as graphics, I wanted to save the graphs as emf-Files. But the emf-Files exported by igraph for R look completely messed up when imported in Powerpoint. The PDFs exported by igraph for R are fine, so I wanted to import them into Inkscape and save them as emf. A bit of a long way, but it works and it does not result in an ugly pixel graphic.

Maybe somebody has similar problems and finds this useful.

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16. May 2014

Inkscape: Dialog windows do not open on multi-screen setups

Filed under: Windows — Tags: , , , , , , — Christopher Kramer @ 17:06

I am using a multiscreen setup with one small landscape screen and one big portrait screen.

When I try to open a dialog like the Inkscape settings or the document settings in Inkscape, it does not open. Or more precisely, I cannot see it because it is positioned outside the visible area. I have this problem with current Inkscape 0.48.4 on Windows 7 Professional 64bit.

The bug is known for some time but unfortunately not fixed.

But I found a great and easy workaround which I want to share with you here: Whenever you cannot see a window because it is offscreen, press [Windows-Key] [arrow-up-key]. This shortcut maximizes the current window and you can use it normally. This probably only works on Windows 7 and newer.

You can also use the left or right arrow-key to position the window on the left or right half of the screen.

Happy drawing! 🙂

10. April 2014

Inkscape: Change Arrowhead color

Filed under: Linux,Uncategorized,Windows — Tags: , , , , , — Christopher Kramer @ 18:55

In Inkscape, a great open source vector graphics program, when you change the stroke color of a path, the arrow heads still remain black. But there is a way to change their color, although quite unintuitive.

This is how it looks like:

Inkscape: arrows with same arrowhead color as the path

Inkscape: arrows can have the same arrowhead color as the path

And this is how its done:

  1. Mark the Path you want to change the color of the arrowhead
  2. “Extensions”
  3. “Modify Path”
  4. “Color Markers to Match Stroke”

That’s it!

inkscape_arrows_color

Update: Inkscape 0.91

In Inkscape 0.91, this problem is “fixed”: The arrowhead automatically gets the Stroke-color assigned and the extension mentioned above is gone. But:

Sometimes when I change the stroke color, the arrowhead does not get updated. In this case, you can adjust the arrowhead color like this:

Select the arrow, double click the color next to “Stroke:” on the lower left of the screen, it opens the window to adjust the stroke color and without doing anything in this window, it magically adjusts the color of the arrowhead.