Hello Magnus,
Thank you for the information.
I wish in future there would be in addition to "prop=images" an option
in the API "prop=illustrations" to retrieve images in a Wikipedia
article which are actually illustrations such as:
[[File:Grandson-Castle.JPG|thumb|Grandson Castle, aerial photo]]
or
{{Infobox
| image = Some_Image.JPG
, because now, even though there is not a single JPG, PNG, or SVG file
in the wiki-code of the article: https://fr.wikipedia.org/?curid=8578447
, still the query for this article:
https://fr.wikipedia.org/w/api.php?action=parse&pageid=8578447&prop=images
gives a result of eleven image files, JPG&SVG, which are present in the
HTML code of the article.
Meanwhile, I will explore the Wikidata approach as you advised.
With best regards,
Oleksiy
On 25/04/16 10:34, Magnus Manske wrote:
I have run into this issue several times over the years. My current
project at [1]uses Wikidata instead of Wikipedia, as it is easy to get
the "image or not" information from Wikidata, and any Wikipedia
article associated with a Wikidata item could use the image there, and
thus *potentially* has an image.
You can currently get Wikidata items with coordinates but no image
from [2] and [3], but only [2] does "around these coordinates"
queries. Also, feel free to use the API at [1], if you can figure it out.
A remaining problem is that, while Wikidata has more items with images
than any Wikipedia (save en, for now), there are still plenty of
Wikipedia pages with images where the Wikidata item has none. One can
use [4] to quickly add existing images from Wikipedia to Wikidata.
Cheers,
Magnus
[1] https://tools.wmflabs.org/wikishootme/
[2] http://wdq.wmflabs.org/api_documentation.html
[3] https://query.wikidata.org/
[4] https://tools.wmflabs.org/fist/wdfist/index.html
On Mon, Apr 25, 2016 at 8:40 AM Oleksiy Muzalyev
<[email protected] <mailto:[email protected]>> wrote:
Greetings, Wikimeida API Colleagues,
I am working on the application for finding geo-locations of
articles of
different language versions of Wikipedia, including articles which
need
an illustration: http://ausleuchtung.ch/geo_wiki/ , either by the
coordinates in the articles themselves, or by the wikipedia tag of the
OSM map.
While searching by the coordinates contained in Wikipedia articles the
application basically uses the query:
https://fr.wikipedia.org/w/api.php?action=query&list=geosearch&gsradius=7000&gscoord=46.56|6.30&gslimit=20
<https://fr.wikipedia.org/w/api.php?action=query&list=geosearch&gsradius=7000&gscoord=46.56%7C6.30&gslimit=20>
Is it possible to modify this query so that it shows only the
Wikipedia
articles which do not have any image illustration without looping via
all "pageid"s?
But even with looping, even by checking by each "pageid", I
encounter a
problem. For example, these articles have got no illustration:
https://fr.wikipedia.org/?curid=9754525
or
https://fr.wikipedia.org/?curid=8578447
(in this article there is even "image missing" banner).
Still, the following queries show the results with numerous auxiliary
JPG, SVG, and PNG images:
https://fr.wikipedia.org/w/api.php?action=parse&pageid=9754525&prop=images
https://fr.wikipedia.org/w/api.php?action=parse&pageid=8578447&prop=images
The application displays geo-locations of articles around the click on
the map, but then I have to open each article by clicking on the
link in
the corresponding geo-marker in order to find an article without an
illustration. It is quite time consuming and fault-prone as often
there
are dozens of geo-markers, dozens of articles to open.
With best regards,
Oleksiy
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