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List: qgis-developer
Subject: Re: [Qgis-developer] custom charts?
From: Hugo Mercier <hugo.mercier () oslandia ! com>
Date: 2016-06-24 12:34:34
Message-ID: 576D28DA.20506 () oslandia ! com
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It would be also cool to be able to directly use a string as image
content for a marker (rather than just for the filename).
That should be quite easy to do.
On 24/06/2016 14:28, Nathan Woodrow wrote:
> Raymond,
>
> Code generated SVGs is a pretty cool idea. Would be super keen to see
> that once you have something!
>
> On Fri, Jun 24, 2016 at 10:25 PM, Neumann, Andreas <a.neumann@carto.net
> <mailto:a.neumann@carto.net>> wrote:
>
> Pretty cool - so we can deliver script-generated SVG code instead of
> a filename? Nice!
>
> Care to do a blog post with some example? This sounds quite exciting
> to me.
>
> Andreas
>
> On 2016-06-24 14:12, Raymond Nijssen wrote:
>
>> Hi Hugo,
>>
>> It works! Thanks a lot!!
>>
>> This is exactly what i was looking for, but somehow could not find.
>>
>> Here is a little example with some fake svg's:
>>
>> http://terglobo.nl/downloads/example.png
>>
>> Now I will script generating svg based on real data.
>>
>> Regards,
>> Raymond
>>
>>
>> On 23-06-16 09:02, Hugo Mercier wrote:
>>> On 22/06/2016 19:06, Richard Duivenvoorde wrote:
>>>> On 22-06-16 14:39, Hugo Mercier wrote:
>>>>> Hi Raymond,
>>>>>> - Add a text field to my feature layer containig svg, and
>>>>>> somehow make
>>>>>> qgis display that on my map;
>>>>>
>>>>> This should work, no ?
>>>>
>>>> Are you sure? This would mean that the value(!) of an attribute
>>>> would
>>>> contain the actual svg (code, not filename).
>>>> Any example on how to use that with styling then?
>>>
>>> Hmmm exact, I don't think you can include the content (I tried to
>>> include a data url but it does not work).
>>>
>>>>
>>>>>> - Add a text field to my feature layer containig a path to a
>>>>>> png (or
>>>>>> svg), and somehow make qgis display that on my map.
>>>>>
>>>>> An SVG marker with the file name defined as an expression ?
>>>>
>>>> Same here, while we managed to get for example colors dynamic,
>>>> we could
>>>> not find a way (yet) to set the marker-svg once filename is
>>>> retrieved
>>>> from an attribute...
>>>>
>>>> Happy to get an example or pointers :-)
>>>
>>> with an SVG-marker the filename can be "data-defined", so you can for
>>> instance use an expression like '/xxx/mymarker_' || id || '.svg'
>>>
>>>
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