Hi Matt,<div><br></div><div>I updated some documentation examples just now at </div><div><a href="http://code.google.com/p/xenia/wiki/ObsJSON#instrumentation_case_examples">http://code.google.com/p/xenia/wiki/ObsJSON#instrumentation_case_examples</a></div>
<div><br></div><div>and repeating below inline.</div><div><br></div><div>Made the 'stationId' just the FeatureCollection 'id' - also went back to an earlier convention with stationary points just using 'Point' and moving points using 'MultiPoint' - think I made everything MultiPoint earlier which is consistent for the most complex moving glider case but verbose for the simpler cases.</div>
<div><br></div><div>The first two cases of stationary platform and profiler are format-wise pretty much the same, distinguishing between sensors by z-coordinate and sensor order(sOrder) which is a more homegrown convention to distinguish between simple redundant cases but also applies to profilers.</div>
<div><br></div><div>My example for glider is verbose with repeated location and time, but have cases where both fixed and moving platforms sample at different intervals depending on the observation dynamics vs battery usage.</div>
<div><br></div><div>Questions, etc feel free to ask.</div><div><br></div><div>Thanks</div><div>Jeremy</div><div><br></div><div><h1 style="font-size: x-large; margin-top: 0px; background-image: none; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 255); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; padding-left: 0px; max-width: 700px; font-family: arial, sans-serif; ">
instrumentation case examples</h1><ul style="padding-left: 25px; max-width: 62em; font-family: arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); "><li style="margin-bottom: 0.3em; ">Geometry z coordinate is relative to mean sea level(MSL) with height(+) or depth(-) in meters.</li>
<li style="margin-bottom: 0.3em; ">The ordering of effected list arguments is in time increasing order(oldest first, latest last) allowing picking off the latest value be grabbing the last associated set of time/values off the list.</li>
<li style="margin-bottom: 0.3em; ">? Stationary platforms would use GeoJSON 'Point' type and mobile platforms would use 'MultiPoint<a href="http://code.google.com/p/xenia/w/edit/MultiPoint" style="color: rgb(0, 0, 204); ">?</a>' type. MultiPoint<a href="http://code.google.com/p/xenia/w/edit/MultiPoint" style="color: rgb(0, 0, 204); ">?</a> coordinates are paired with listed time values.</li>
<li style="margin-bottom: 0.3em; ">? sOrder(sensor order) is optional but would provide a means of distinguishing between redundant sensors with primary, secondary, etc level of importance. sOrder integer increases with direction away from MSL.</li>
</ul><h2 style="font-size: large; background-image: none; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 255); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; padding-left: 0px; max-width: 700px; font-family: arial, sans-serif; ">
<a name="stationary_platform"></a>stationary platform</h2><p style="line-height: 1.25em; max-width: 64em; font-family: arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); ">The below example shows an air_pressure and two air_temperature readings(a primary sensor and redundant secondary sensor - differing by z-coordinate and sOrder)</p>
<pre class="prettyprint" style="font-size: 13px; padding-top: 0.5em; padding-right: 0.5em; padding-bottom: 0.5em; padding-left: 0.5em; overflow-x: auto; overflow-y: auto; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace; max-width: 70em; background-color: rgb(255, 255, 255); ">
<span class="pln">json_callback</span><span class="pun" style="color: rgb(102, 102, 0); ">({</span><span class="pln"><br></span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"FeatureCollection"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"id"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"urn:x-noaa:def:station:ndbc::41012"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"features"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Point"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">0</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"1"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"air_pressure"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"mb"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T21:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T22:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T23:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"1027.3"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"1026.5"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"1026"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"1025.9"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"1025.5"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"1025.3"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Point"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">4</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"1"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"air_temperature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"celsius"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T21:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T22:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T23:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"22.9"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Point"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">6</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"air_temperature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"celsius"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T21:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T22:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T23:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"22.9"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br></span><span class="pun" style="color: rgb(102, 102, 0); ">...</span></pre><h2 style="font-size: large; background-image: none; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 255); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; padding-left: 0px; max-width: 700px; font-family: arial, sans-serif; ">
<a name="stationary_profiler"></a>stationary profiler</h2><p style="line-height: 1.25em; max-width: 64em; font-family: arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); ">e.g. a temperature,current,etec profiler looking up or down a water column - this is basically the same format as a stationary platform, just the same observation type listed and distinguished by z-coordinate elevation and sOrder.</p>
<pre class="prettyprint" style="font-size: 13px; padding-top: 0.5em; padding-right: 0.5em; padding-bottom: 0.5em; padding-left: 0.5em; overflow-x: auto; overflow-y: auto; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace; max-width: 70em; background-color: rgb(255, 255, 255); ">
<span class="pln">json_callback</span><span class="pun" style="color: rgb(102, 102, 0); ">({</span><span class="pln"><br></span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"FeatureCollection"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"id"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"urn:x-noaa:def:station:ndbc::41012"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"features"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Point"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">1</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"1"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"water_temperature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"celsius"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T21:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T22:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T23:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"22.9"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Point"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">2</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"water_temperature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"celsius"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T21:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T22:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T23:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"22.9"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br></span><span class="pun" style="color: rgb(102, 102, 0); ">...</span></pre><h2 style="font-size: large; background-image: none; background-attachment: initial; background-origin: initial; background-clip: initial; background-color: rgb(255, 255, 255); border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; padding-left: 0px; max-width: 700px; font-family: arial, sans-serif; ">
<a name="glider"></a>glider</h2><p style="line-height: 1.25em; max-width: 64em; font-family: arial, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255); ">e.g. measuring different obs on a freely moving platform</p>
<pre class="prettyprint" style="font-size: 13px; padding-top: 0.5em; padding-right: 0.5em; padding-bottom: 0.5em; padding-left: 0.5em; overflow-x: auto; overflow-y: auto; font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace; max-width: 70em; background-color: rgb(255, 255, 255); ">
<span class="pln">json_callback</span><span class="pun" style="color: rgb(102, 102, 0); ">({</span><span class="pln"><br></span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"FeatureCollection"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"id"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"urn:x-noaa:def:station:ndbc::41012"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"features"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"MultiPoint"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">1.3</span><span class="pun" style="color: rgb(102, 102, 0); ">],[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.55</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">29.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">3.8</span><span class="pun" style="color: rgb(102, 102, 0); ">],[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.61</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">28.94</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">15.8</span><span class="pun" style="color: rgb(102, 102, 0); ">]]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"1"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"water_temperature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"celsius"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"23"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"Feature"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"geometry"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"type"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"MultiPoint"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"coordinates"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">30</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">1.3</span><span class="pun" style="color: rgb(102, 102, 0); ">],[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.55</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">29.5</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">3.8</span><span class="pun" style="color: rgb(102, 102, 0); ">],[-</span><span class="lit" style="color: rgb(0, 102, 102); ">80.61</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="lit" style="color: rgb(0, 102, 102); ">28.94</span><span class="pun" style="color: rgb(102, 102, 0); ">,-</span><span class="lit" style="color: rgb(0, 102, 102); ">15.8</span><span class="pun" style="color: rgb(102, 102, 0); ">]]</span><span class="pln"> <br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">},</span><span class="pln"><br> </span><span class="str" style="color: rgb(0, 136, 0); ">"properties"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">{</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"sOrder"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"1"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"obsType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"salinity"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"uomType"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="str" style="color: rgb(0, 136, 0); ">"psu"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"time"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T18:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T19:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"2009-04-28T20:50:00Z"</span><span class="pun" style="color: rgb(102, 102, 0); ">],</span><span class="pln"><br>
</span><span class="str" style="color: rgb(0, 136, 0); ">"value"</span><span class="pun" style="color: rgb(102, 102, 0); ">:</span><span class="pln"> </span><span class="pun" style="color: rgb(102, 102, 0); ">[</span><span class="str" style="color: rgb(0, 136, 0); ">"33.5"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"33.8"</span><span class="pun" style="color: rgb(102, 102, 0); ">,</span><span class="str" style="color: rgb(0, 136, 0); ">"34.2"</span><span class="pun" style="color: rgb(102, 102, 0); ">]</span><span class="pln"><br>
</span><span class="pun" style="color: rgb(102, 102, 0); ">}},</span><span class="pln"><br></span><span class="pun" style="color: rgb(102, 102, 0); ">...</span></pre><br><div class="gmail_quote">On Tue, Nov 1, 2011 at 3:08 PM, Matt Priour <span dir="ltr"><<a href="mailto:mpriour@kestrelcomputer.com">mpriour@kestrelcomputer.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div dir="ltr">
<div dir="ltr">
<div style="font-family:'Arial';color:#000000;font-size:10pt">
<div>Jeremy,</div>
<div>I think you have found the most reasonable way to represent that data given
the current spec, however, I think you and others would agree that it is both
overly verbose and onerous to represent data collections in this way.</div>
<div> </div>
<div>Metadata could be another object within the dataSeries object. Given the
inclusion of metadata, the Data Series spec with some further tweaks could
support all of your use cases.</div>
<div> </div>
<div>One use case I would also like to see it used for is time series data about
specific geographic areas. For example, there is no good reason to repeatedly
include a complex polygon geometries again and again for a time-series of data
unless the geometry is likely to change over time.</div>
<div> </div>
<div>I will update the proposal to include some kind of metadata specification
property and convert your example below to the Data Series format.</div>
<div> </div>
<div>Do you have examples of how you are encoding the last 2 use cases, I can
guess, but would like to see how you separate the data out for reference.</div>
<div> </div>
<div>Matt Priour</div>
<div style="font-style:normal;display:inline;font-family:'Calibri';color:#000000;font-size:small;font-weight:normal;text-decoration:none">
<div style="font:10pt tahoma">
<div> </div>
<div style="background:#f5f5f5">
<div><b>From:</b> <a title="jeremy.cothran@gmail.com" href="mailto:jeremy.cothran@gmail.com" target="_blank">Jeremy Cothran</a> </div>
<div><b>Sent:</b> Tuesday, November 01, 2011 12:59 PM</div>
<div><b>To:</b> <a title="mpriour@kestrelcomputer.com" href="mailto:mpriour@kestrelcomputer.com" target="_blank">Matt Priour</a> </div>
<div><b>Cc:</b> <a title="sean.gillies@gmail.com" href="mailto:sean.gillies@gmail.com" target="_blank">Sean Gillies</a> ; <a title="geojson@lists.geojson.org" href="mailto:geojson@lists.geojson.org" target="_blank">geojson@lists.geojson.org</a> </div>
<div><b>Subject:</b> Re: [Geojson] Toward consensus on
proposals</div></div></div>
<div> </div></div><div><div></div><div class="h5">
<div style="font-style:normal;display:inline;font-family:'Calibri';color:#000000;font-size:small;font-weight:normal;text-decoration:none">I'd
agree with what's lacking in the two points below(multi-dimensional, metadata) -
and also that these are use-case specific extensions that don't have to sink a
simple functional working core geojson spec. The 3 use-cases that we are
currently trying to support in our domain are:
<div> </div>
<div>1)stationary point</div>
<div>2)stationary profilers - a temperature,current,etec profiler looking up or
down a water column</div>
<div>3)gliders - measuring different obs on a freely moving platform</div>
<div> </div>
<div>The proposed dataseries would work for the first case(stationary point) if
the metadata/unit_of_measure is baked into the observation name like
'air_temperature.celsius' but would prefer observation type and unit of measure
as better separated and obvious properties or tags.</div>
<div> </div>
<div>They way I'm doing it in the example below has it's own set of
drawbacks(assumptions regarding matching order between location,time,data steps
, verbose, etc), but supports the above 3 instrumentation cases.</div>
<div> </div>
<div>Thanks</div>
<div>Jeremy</div>
<div> </div>
<div><pre style="padding-bottom:0.5em;overflow-x:auto;overflow-y:auto;background-color:rgb(255,255,255);padding-left:0.5em;padding-right:0.5em;font-family:monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;max-width:70em;font-size:13px;padding-top:0.5em">
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</span><span style="color:rgb(0,136,0)">"stationId"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(0,136,0)">"urn:x-noaa:def:station:ndbc::41012"</span><span style="color:rgb(102,102,0)">,</span><span><br>
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style="color:rgb(0,102,102)">30</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,102,102)">4</span><span style="color:rgb(102,102,0)">],[-</span><span style="color:rgb(0,102,102)">80.5</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,102,102)">30</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,102,102)">4</span><span style="color:rgb(102,102,0)">]]</span><span> <br>
</span><span style="color:rgb(102,102,0)">},</span><span><br> </span><span style="color:rgb(0,136,0)">"properties"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(102,102,0)">{</span><span><br>
</span><span style="color:rgb(0,136,0)">"obsType"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(0,136,0)">"air_temperature"</span><span style="color:rgb(102,102,0)">,</span><span><br>
</span><span style="color:rgb(0,136,0)">"uomType"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(0,136,0)">"celsius"</span><span style="color:rgb(102,102,0)">,</span><span><br>
</span><span style="color:rgb(0,136,0)">"time"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(102,102,0)">[</span><span style="color:rgb(0,136,0)">"2009-04-28T18:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-28T19:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-28T20:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-28T21:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-28T22:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-28T23:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T00:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T01:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T02:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T03:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T04:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T05:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T06:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T07:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T08:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T09:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T10:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T11:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T12:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T13:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T14:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T15:50:00Z"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"2009-04-29T16:50:00Z"</span><span style="color:rgb(102,102,0)">],</span><span><br>
</span><span style="color:rgb(0,136,0)">"value"</span><span style="color:rgb(102,102,0)">:</span><span> </span><span style="color:rgb(102,102,0)">[</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23.2"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.9"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.9"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.8"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.8"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.8"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.7"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.7"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.4"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.4"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.2"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.2"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.1"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.2"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.6"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.4"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"22.7"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">,</span><span style="color:rgb(0,136,0)">"23"</span><span style="color:rgb(102,102,0)">]</span><span><br>
</span><span style="color:rgb(102,102,0)">}},</span><span><br></span><span style="color:rgb(102,102,0)">...</span></pre></div>
<div> </div>
<div>
<div> </div>
<div class="gmail_quote">On Mon, Oct 31, 2011 at 2:41 PM, Matt Priour <span dir="ltr"><<a href="mailto:mpriour@kestrelcomputer.com" target="_blank">mpriour@kestrelcomputer.com</a>></span>
wrote:<br>
<blockquote style="border-left:#ccc 1px solid;margin:0px 0px 0px 0.8ex;padding-left:1ex" class="gmail_quote">
<div dir="ltr">
<div dir="ltr">
<div style="font-family:'Arial';color:#000000;font-size:10pt">
<div>I’ll be the first to admit that the Data Series proposal is not fully
baked. It was my attempt to simplify a specific but fairly widespread use
case. Representing a series of data that is associated with a single feature
is excessively onerous and there is not an accepted standardized way to do
that in the current GeoJSON spec.</div>
<div> </div>
<div>I was hoping that there would be some discussion of this proposal by
those with the most interest in seeing this problem solved. However if the
community feels that this is too specific to write into the general GeoJSON
spec, then maybe I could write up a separate specification that would be an
“official” extension. Maybe something like an Data Series extension to the
more general spec would be more acceptable.</div>
<div> </div>
<div>As to the reason the Data Series would be a privileged object and not in
the normal properties, that made more sense to me since the data series would
likely be tied to a specific feature with its own specific properties that
would apply to all the collected data. </div>
<div> </div>
<div>Two things that are most obviously lacking from the data series proposal
are</div>
<div>1. Multi-dimensional series</div>
<div>2. Metadata about the observations (measurement units, full name / label
of data property, etc...)</div>
<div> </div>
<div>Matt Priour</div>
<div style="font-style:normal;display:inline;font-family:'Calibri';color:#000000;font-size:small;font-weight:normal;text-decoration:none">
<div style="font:10pt tahoma">
<div> </div>
<div style="background:#f5f5f5">
<div><b>From:</b> <a title="sean.gillies@gmail.com" href="mailto:sean.gillies@gmail.com" target="_blank">Sean Gillies</a> </div>
<div><b>Sent:</b> Monday, October 31, 2011 12:27 PM</div>
<div><b>To:</b> <a title="geojson@lists.geojson.org" href="mailto:geojson@lists.geojson.org" target="_blank">geojson@lists.geojson.org</a> </div>
<div><b>Subject:</b> [Geojson] Toward consensus on proposals</div></div></div>
<div> </div></div>
<div>
<div></div>
<div>
<div style="font-style:normal;display:inline;font-family:'Calibri';color:#000000;font-size:small;font-weight:normal;text-decoration:none">Hi
all,<br><br>We've got two proposals for changes to the spec and one that may
be<br>arriving (Andrew?), so it shouldn't take long to decide whether
to<br>accept them or not.<br><br>Circles and Ellipses:<br><a href="https://github.com/GeoJSONWG/geojson-spec/wiki/wiki/Proposal%20Circles%20and%20Ellipses%20Geoms" target="_blank">https://github.com/GeoJSONWG/geojson-spec/wiki/wiki/Proposal%20Circles%20and%20Ellipses%20Geoms</a><br>
<br>Let's
be clear whether we're specifying paths or patches. Center<br>coordinates +
radius feels natural to me. If a CRS is defined,<br>wouldn't it be best to
apply those units to the radius? Otherwise,<br>could we require units to
always (MUST) be meters?<br><br>An ellipse is complicated by the two axes and
their orientation.<br>Defining these differently than GML does would need a
strong argument.<br><br>Circles and ellipses can be approximated by polygons,
but it becomes<br>onerous for good approximations. I'm in favor of this
proposal.<br><br>Data Series Proposal:<br><a href="https://github.com/GeoJSONWG/geojson-spec/wiki/Data-Series-Proposal" target="_blank">https://github.com/GeoJSONWG/geojson-spec/wiki/Data-Series-Proposal</a><br><br>I'm
concerned about adding something so specialized to the spec and<br>also wonder
why a data series object needs to be privileged instead of<br>simply going in
the properties object.<br><br>Let's discuss. I'll split the subject in two as
soon as it seems needed.<br><br>-- <br>Sean
Gillies<br>_______________________________________________<br>Geojson mailing
list<br><a href="mailto:Geojson@lists.geojson.org" target="_blank">Geojson@lists.geojson.org</a><br><a href="http://lists.geojson.org/listinfo.cgi/geojson-geojson.org" target="_blank">http://lists.geojson.org/listinfo.cgi/geojson-geojson.org</a><br>
</div></div></div></div></div></div><br>_______________________________________________<br>Geojson
mailing list<br><a href="mailto:Geojson@lists.geojson.org" target="_blank">Geojson@lists.geojson.org</a><br><a href="http://lists.geojson.org/listinfo.cgi/geojson-geojson.org" target="_blank">http://lists.geojson.org/listinfo.cgi/geojson-geojson.org</a><br>
<br></blockquote></div>
<div> </div></div></div></div></div></div></div></div>
</blockquote></div><br></div>