[Realtime-feed-users] Detail JSON Structure
David Loring
dloring at eircom.net
Thu Apr 17 15:35:22 UTC 2014
I have a Visual Basic 2010 class specifically written to decode USGS, Canadian and New Zealand GeoJSON files if it is on any interest. I can provide a link to the file if you are interested.
Regards
David Loring
From: Realtime-feed-users [mailto:realtime-feed-users-bounces at geohazards.usgs.gov] On Behalf Of Fee, Jeremy
Sent: 17 April 2014 16:25
To: realtime-feed-users at geohazards.usgs.gov
Cc: Rogers, Wesley A
Subject: Re: [Realtime-feed-users] Detail JSON Structure
Hi,
The simplest use of these feeds is in javascript, which natively supports JSON. An example of this is our Latest Earthquakes application at:
http://earthquake.usgs.gov/earthquakes/map/
The source code for this is on GitHub at:
https://github.com/usgs/earthquake-latest-earthquakes
There is also a Java library that parses the GeoJSON feeds, or search API which supports the same formats, at:
https://github.com/usgs/earthquake-event-ws-client
This uses a json library for parsing, and then a wrapper object that manages access into the structure.
There are also examples for Python, Matlab, and R, in this github repository:
https://github.com/usgs/devcorner
Thanks,
Jeremy
On Thu, Apr 17, 2014 at 9:58 AM, Rogers, Wesley A <wesley.a.rogers at boeing.com> wrote:
Thanks – I saw that this morning and subscribed. I am having major problems deserializing this section of your schema, where there is a set of objects (but not an array) that have variable names. Dictionary<string, object> is not working. How does your group do it?
"contents": {
"about_formats.html": {
"contentType": "text/html",
"lastModified": 1395680950000,
"length": 28818,
"url": "http://earthquake.usgs.gov/product/shakemap/ci15476961/ci/1395680957869/about_formats.html"
},
"contents.xml": {
"contentType": "application/octet-stream",
"lastModified": 1395680951000,
"length": 8741,
"url": "http://earthquake.usgs.gov/product/shakemap/ci15476961/ci/1395680957869/contents.xml"
},
"download/15476961.kml": {
"contentType": "application/octet-stream",
"lastModified": 1395680947000,
"length": 2673,
"url": "http://earthquake.usgs.gov/product/shakemap/ci15476961/ci/1395680957869/download/15476961.kml"
},
. . .
Yours,
Wesley A Rogers
Entr Dmd Mgt Srvc NonHR EATS
From: Fee, Jeremy [mailto:jmfee at usgs.gov]
Sent: Thursday, April 17, 2014 7:54 AM
To: Rogers, Wesley A
Cc: Lynda Lastowka
Subject: Detail JSON Structure
Hello,
Based on user feedback, we set up a separate mailing list specifically for realtime-feed questions. The realtime-feeds list will only be used to announce changes to the feeds moving forward.
I forwarded your message and a reply to that list, but forgot to cc you on my reply:
http://geohazards.usgs.gov/pipermail/realtime-feed-users/2014-April/000001.html
Please subscribe to the new list here:
https://geohazards.usgs.gov/mailman/listinfo/realtime-feed-users
Thanks,
Jeremy
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