Hi All,
Sorry to hijack the topic (and the dev x-post), but this thread
prompted me to bring up a general issue with custom symbols. The
current structure for adding new symbols on OS X is pretty poor
(perhaps on other OS's as well?). It requires the user to copy the
relevant svg files to a location inside of an application bundle.
Hence, the changes have to be done with every update of the program.
It would be much better if there was an svg directory inside of the
same directory where plugins are stored, ~/.qgis on OS X. This would
maintain symbols across versions and new builds of the program.
For any hackfesters out there, perhaps this can make it on the todo
list. If this possibility already exists, please correct me.
Regards,
John
On Oct 21, 2009, at 12:06 AM, sunny74 wrote:
Hi Andreas,
Thanks for your reply.
* I am putting the files in the correct installation of QGIS so that
is not
a problem.
* The cause that the SVG is an invalid SVG seems to be the problem.
The SVG
does not open
in any of the browsers. Worst is that it is produced by Inkscape. Is
there any other tool which will produce a valid .svg.
* permissions seem to be ok.
Pls suggest a couple of other tools for converting raster to .svg.
Regards.
Andreas Neumann wrote:
hm - it sucessfully worked for me.
I see several potential causes for problems.
* Sometimes there are several parallel QGIS installations on your
harddrive. Make sure that the .svg files are placed in the correct
installation.
* your SVG images can't be loaded because they are invalid SVG. Do
the
files properly open in a webbrowser?
* file permission problems?
Other than that it really should work.
Andreas
On Tue, October 20, 2009 9:14 am, sunny74 wrote:
Hi
Your suggestions did not work.
I converted my .jpg's into .svg's and placed them in a separate
folder
within the svg folder of QGIS but it did not show in symbology.
Then I put them in to one of the existing folders but again the same
result,
even though I restarted QGIS.
there is a button called "Load Style" and I tried to use it to add
symbols
but it required .qml files.
So how to add the symbols.
Regards.
James Card wrote:
Inkscape also has an image tracing utility built-in to convert
raster
images to vectors. If you're willing to do a bit of tinkering
with the
conversion parameters I've had very good results with this process.
--
James Card
California CAD Solutions, Inc.
209-578-5580 - Voice
209-521-6493 - FAX
On Thu, 15 Oct 2009 11:46:04 -0700, Andreas Neumann
<a.neum...@carto.net>
wrote:
Hi,
SVG is a hybrid format. It can also embed raster images
(jpg,png). So
theoretically you could embed your existing symbols in a raster
(with a
SVG shell around it). However, this is not recommended since the
raster
images don't scale properly. They would get pixely/or blurry when
enlarged.
SVG is the best choice for scalable symbols.
If you want quick results and don't care about quality you could
still
embed the rasters (you can embed them base64 encoded in the data
URL),
so you only have one file and not two files. In Inkscape (at
least in
0.47) you can embed the image in the SVG by using "Extensions" -->
"Images" --> "Embed Images".
Hope this helps,
Andreas
sunny74 wrote:
Hi Alex,Fischer
Thanks to both of you for your replies.
So I understand that only SVG files are accepted by QGIS as
symbols.
Then I have to convert jpg,bmp etc into svg.
Do I have to use Inkscape i.e http://www.inkscape.org/ for the
conversion.
Warm Regards.
Jürgen E. Fischer wrote:
Hi Alex,
On Fri, 09. Oct 2009 at 07:44:43 -0700, Alex Mandel wrote:
In the QGIS installation folder there's a subfolder called
svg. Any
svg
files you place in there will be picked up the next time QGIS
is
started
and show up in the symbol picker.
There's even a context menu in the symbol picker that allows a
rescan
without restarting.
Jürgen
-- Jürgen E. Fischer norBIT GmbH Tel.
+49-4931-918175-20
Dipl.-Inf. (FH) Rheinstraße 13 Fax.
+49-4931-918175-50
Software Engineer D-26506 Norden
http://www.norbit.de
-- norBIT Gesellschaft fuer Unternehmensberatung und
Informationssysteme mbH
Rheinstrasse 13, 26506 Norden
GF: Jelto Buurman, HR: Amtsgericht Emden, HRB 5502
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