Created attachment 75142 [details]
Created attachment 75144 [details]
Pdf after opening and exporting in LO
Importing technical drawings into LibreOffice (LO) Draw for editing almost works except for a few visual artifacts. If this could be made reliable then LO would be a great alternative to Illustrator for tweaking images for scientific publications, and I am sure would be widely used for that.
I have attached a typical pdf (from the UCSC genome browser web site at:
http://genome.ucsc.edu/cgi-bin/hgTracks) and a version of the pdf after opening and exporting in LO.
The main defects after processing by LO are that line widths are wrong and line colors are not correct.
Also, occasional lines are too long e.g. the one at "Sequences".
Text seems mostly correct (although strangely the "i" in "Zebrafish" disappeared).
Thank you for your bug report, I can reproduce this bug running LibreOffice Version: 18.104.22.168
Build ID: 1b3956717a60d6ac35b133d7b0a0f5eb55e9155 on Mac osx 10.8.4.
I have similar problem with current 22.214.171.124 version. LO imports its own exported PDF file changing colors completely. It's like if PDF declared a colorscheme (YMC) and LO read another (RGB). I'll attach an example (the default LO chart). However, I got not artifacts with it.
I also did the same with an Microsoft Office chart (also exported as PDF). In this case, the colors are OK while the grid lines are misplaced. If lines are draw from bottom to up, it seems that someone forget reset the x variable for the second line and on.
Created attachment 94583 [details]
Exported PDF from LO
Created attachment 94584 [details]
Exported PDF from LO imported into LO
Created attachment 94585 [details]
Exported PDF from M$OFFICE
Created attachment 94586 [details]
Exported PDF from M$OFFICE imported into LO
In LO 126.96.36.199 on OS-X the original examples are much improved with the only remaining defect being a horizontal line that is drawn too long.
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Created attachment 124406 [details]
pdf produced by LO draw reading in and then exporting the original pdf
There remains a line extending on the left beyond the image boundary.
Created attachment 124407 [details]
screen shot using LO draw 188.8.131.52 after loading the original pdf
In Draw (LO 184.108.40.206) the original pdf shows two lines extending to the left beyond the original figure boundary (interestingly, when the pdf is exported, only the black line remains extended in the saved pdf.)
*** This bug has been marked as a duplicate of bug 45065 ***