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Drop-shadows can leave line artifacts when exported

0 votes
I created a drawing with a few "modern style" boxes (the rounded-corner "shiny plate node with shadow") overlapping.

It looks okay in yEd, but when exported to an SVG (and worse, PDF), some kind of guidelines are visible in the drop shadows.

The SVG looks okay in Inkscape, but when I include it in a PDF document (created with LyX), the lines become visible.

Exporting a PDF directly from yEd causes very obvious artifacts when opened with Foxit Reader or Sumatra PDF (for some reason, Adobe Reader isn't installed on this PC so I can't test that). The mysterious drop-shadow guidelines (2 per shadow) are visible, and the shading on the upper-left part of the "shiny plate" modern nodes is broken.
in Help by (120 points)

1 Answer

0 votes
Unfortunately, yEd's PDF export cannot handle gradients. That is a known short-coming. The really bad news is that FreeHEP VectorGraphics (the library used for PDF creation in yEd) is no longer maintained by its creators. In other words, the situation will not improve any time soon.

SVG, on the other hand, looks nice to me in Firefox. Maybe this is a problem with LyX?
by [yWorks] (151k points)
I see, that's a shame about the library. Yes, the SVG looks ok to me in Firefox and IE. Strangely, LyX uses Inkscape to convert the SVG to a PDF, I think - even though it looks okay when manually viewed in Inkscape. Maybe Inkscape uses the same library. :)
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