Inkscape is in the Ubuntu distribution. He manages .svg .dxf .eps etc.
It is easy to use.
Francis
2011/11/15 Kim Kirwan <k...@kimkirwan.com>
> Everything suggested looks good, except maybe one thing.
>
> I should point out that dxf may be the original source if the
> image (a line drawing) was created in QCAD or now, LibreCAD.
> (Or possibly even AutoCAD in some cases?)
>
> So I wouldn't be in a hurry to get rid of dxf, in case it is
> the original editable source.
>
> However, Pavel's translation trick looks very handy, if there
> is a good tool to make simple line/CAD drawings in SVG format.
> Or if it is very easy to export from DXF (LibreCAD) to SVG.
>
> I see that LibreOffice Draw can export as SVG, but I've never
> used Draw and have no knowledge of its capabilities. Does
> anyone have any suggestions for a good app for simple line/CAD
> drawings in SVG format?
>
> I have also asked if LibreCAD is considering SVG.
>
> Kim
>
>
> On 11/15/2011 12:45 AM, Pavel Shramov wrote:
> > On Sun, Nov 13, 2011 at 11:19:40AM -0500, Kent A. Reed wrote:
> >> 1. image file format
> > First, sorry for late response...
> >
> >> Taking a survey of the files in the 2.5 docs/src directory and below, I
> >> find we have 368 image files in dxf, eps, gif, jpg, png, and ps format.
> >> (Yes, I know some of the images appear in multiple formats, but that's
> >> not the main issue here).
> > ...
> >> However, I recommend that we restrict the production image files (e.g.,
> >> the files actually invoked in the asciidoc .txt files) to just two*
> >> formats---gif and png.
> >
> > Including raster formats like png or gif into pdf give horrible result
> compared
> > to vector ones. Also converting vector schemas to bitmap limits you in
> editing.
> >
> >> Yes, it is possible to jiggery-pokery the
> >> toolchain to convert formats automagically, but it adds to the headaches
> >> of developers and maintainers, and it causes problems such as the
> >> missing eps figures in the current html output (see, for example, the
> >> missing Figure 2 and above in
> >> http://www.linuxcnc.org/docs/2.5/html/hal/rtcomps.html).
> > ...
> >
> >> Recommendation 1b :
> >>
> >> Along with the above, edit the offending txt files, listed below, to
> >> invoke png rather than eps files (for brevity, I list the English files
> >> only; the situation is the same in their French, German, and Spanish
> >> versions).
> >>
> > ...
> >> ./hal/rtcomps.txt:image::pid-block-diag.eps[]
> >
> > Problem with this files is that there is no .png file for .eps one. If
> there is
> > such we can just use
> >
> > image::pid-block-diag.*[]
> >
> > And get good result both for html and pdf.
> >
> >> Recommendation 1c :
> >>
> >> If possible, I would recapture images currently in jpg format in png
> >> format instead. While the jpg files work, they suffer from the lossy
> >> jpeg compression. Converting them from jpg to png just preserves the
> loss.
> >
> > Agree here.
> >
> >> 2. image file organization
> >>
> >> There is an apparent file structure to the EMC2 sources of the form
> >> docs/src/<topic>/... and docs/src/<topic>/images/...
> >>
> >> I applaud this. Despite Emerson's famous quip about a foolish
> >> consistency, being consistent with file structures and file names can
> >> only help EMC2 developers and maintainers.
> >>
> >> Unfortunately, image files have been leaking out. Of the 368 image files
> >> in the 2.5 docs/src tree, 114 are not in an images subdirectory. I'm not
> >> going to list them here but can send the list separately if you wish. It
> >> would be possible to make a mass change both to file locations and to
> >> file references, but this has to be planned carefully since editors have
> >> various pieces in play.
> >
> > It would be nice to move them all into images/ subdir. I have not
> touched them
> > during transition to asciidoc just not to clutter things more.
> >
> >> * actually, I'd like to see the gif files converted too, but it doesn't
> >> have to happen within the 2.5-release time frame. As well, in future I'd
> >> hope to see svg format used for the vector graphics that we now hold in
> >> dxf/eps, but again, the clock is ticking.
> >
> > Converting gif to png is a matter of half an hour. Vector would take a
> bit
> > longer. However if somebody will help me with converting dxf to svg it
> would
> > not take much time.
> >
> >> PS- I apologize for my erratic on-again/off-again behavior. I used to
> >> think retirement would mean I had at least 8 more hours a day to devote
> >> to things I wanted to do. Life has a way of interrupting one's plans.
> >> Between being my wife's care-giver and my grandkids' mentor, I have less
> >> time than ever. So be it.
> >
> > So my bet is to use png for truly raster images like screenshots and svg
> for
> > vector data. Last but not least is that SVG images are translatable.
> > For example theese are same images with .ru derived from english one
> > automaticaly:
> >
> > http://psha.org.ru/tmp/svg2po/tool_positions.svg
> > http://psha.org.ru/tmp/svg2po/tool_positions.ru.svg
> >
> > Pavel
> >
> >
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> >
>
>
>
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