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<p>Jukka,</p>
<p>Somewhat counter-intuitively, you can use "<span lang="EN-US"><a class="moz-txt-link-freetext" href="https://api.digitransit.fi/routing/v1/routers/hsl/isochrone?fromPlace=60.168,24.938&mode=WALK,TRANSIT&date=2019-11-01&time=08:00:00&maxWalkDistance=500&cutoffSec=1800&cutoffSec=3600">https://api.digitransit.fi/routing/v1/routers/hsl/isochrone?fromPlace=60.168,24.938&mode=WALK,TRANSIT&date=2019-11-01&time=08:00:00&maxWalkDistance=500&cutoffSec=1800&cutoffSec=3600</a>"
as a filename when using the File source type. This is due to
GeoJSON driver having a particular logic when passed a
http[s]:// filename to ingest it fully in memory.</span></p>
<p><span lang="EN-US">Even<br>
</span></p>
<div class="moz-cite-prefix">Le 21/09/2021 à 12:46, Rahkonen Jukka
(MML) a écrit :<br>
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cite="mid:9dc726446fd047e4a200107a9d866d28@maanmittauslaitos.fi">
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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">This command gives a
result with ogrinfo:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ogrinfo
/vsicurl_streaming/<a class="moz-txt-link-rfc2396E" href="https://api.digitransit.fi/routing/v1/routers/hsl/isochrone?fromPlace=60.168,24.938&mode=WALK,TRANSIT&date=2019-11-01&time=08:00:00&maxWalkDistance=500&cutoffSec=1800&cutoffSec=3600">"https://api.digitransit.fi/routing/v1/routers/hsl/isochrone?fromPlace=60.168,24.938&mode=WALK,TRANSIT&date=2019-11-01&time=08:00:00&maxWalkDistance=500&cutoffSec=1800&cutoffSec=3600"</a>
-al<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">If I try to use the URI
part with QGIS with Add layer – Vector – Protocol –
HTTP/HTTPS/FTP then QGIS seems to add automatically
/vsicurl/ into the service request. With this service
/vsicurl/ does not work but /vsicurl_streaming/ works. It
there any way to force QGIS to use the streaming mode?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The debugging tools do
not seem to log the network traffic from the “read from
protocol” requests. Is that a right observation?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="SV">-Jukka Rahkonen-<o:p></o:p></span></p>
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<br>
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