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AIS Using NcML - Revision history
2024-03-28T11:03:00Z
Revision history for this page on the wiki
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https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=4743&oldid=prev
Mjohnson at 21:39, 9 September 2009
2009-09-09T21:39:11Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:39, 9 September 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This and the [[BES Aggregation using NcML]] page go hand-in-hand. The essential idea is to use NcML as a syntax to describe both aggregations of data sets (e.g., HDF4 files) and ancillary information that should be added to a data set. The motivation for using NcML is to not invent a new syntax and instead build on an accepted one, maybe adding new features where we need them.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This and the [[BES Aggregation using NcML]] page go hand-in-hand. The essential idea is to use NcML as a syntax to describe both aggregations of data sets (e.g., HDF4 files) and ancillary information that should be added to a data set. The motivation for using NcML is to not invent a new syntax and instead build on an accepted one, maybe adding new features where we need them.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''NOTE:''' The version 0.9.0 of the NcML Module in the svn tree implements this design, plus some other features (creation of new variables). Please see the Wiki docs for the handler at: [[BES_-_Modules_-_NcML_Module]]</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Use Cases ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Use Cases ==</div></td></tr>
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Mjohnson
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=4480&oldid=prev
Mjohnson: /* Example responses */
2009-06-23T18:48:08Z
<p><span dir="auto"><span class="autocomment">Example responses</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:48, 23 June 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Here's the DDX that would be returned when accessing the ''fnoc_improved.ncml'' '''data set''' (I've put 'data set' in bold because I want to emphasize that the NcML file essentially defines a new data set and the 'old' data set (i.e., fnoc1.nc) is still available using its URL.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Here's the DDX that would be returned when accessing the ''fnoc_improved.ncml'' '''data set''' (I've put 'data set' in bold because I want to emphasize that the NcML file essentially defines a new data set and the 'old' data set (i.e., fnoc1.nc) is still available using its URL. <ins style="font-weight: bold; text-decoration: none;"> [mjohnson: is the dataset name in the modified ddx correct as referring still to the underlying file, or do we want it to be "fnoc_improved.ncml"?]</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
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Mjohnson
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=4359&oldid=prev
PatrickWest at 05:05, 26 May 2009
2009-05-26T05:05:58Z
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This will be used for the remainder of the IOOS and REAP projects and hopefully for a long time thereafter.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This will be used for the remainder of the IOOS and REAP projects and hopefully for a long time thereafter.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Projects|AIS Using NCML]]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=4358&oldid=prev
PatrickWest at 05:04, 26 May 2009
2009-05-26T05:04:30Z
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This will be used for the remainder of the IOOS and REAP projects and hopefully for a long time thereafter.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This will be used for the remainder of the IOOS and REAP projects and hopefully for a long time thereafter.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Projects|AIS Using NCML]]</ins></div></td></tr>
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PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3909&oldid=prev
PatrickWest: /* Detailed Design */
2009-04-28T00:13:18Z
<p><span dir="auto"><span class="autocomment">Detailed Design</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 00:13, 28 April 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Get the Response from the BES====</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====Get the Response from the BES====</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>How do you get a response object 'within the BES?' In other words, one BES typically has a number of handlers installed for a variety of data formats (netcdf, hdf4, et c.) and it also has handlers that <del style="font-weight: bold; text-decoration: none;">modify </del>standard DAP responses like the ASCII <del style="font-weight: bold; text-decoration: none;">handler </del>(which takes a DataDDS response and <del style="font-weight: bold; text-decoration: none;">builds </del>an ASCII text/plain type MIME document <del style="font-weight: bold; text-decoration: none;">from it</del>). <del style="font-weight: bold; text-decoration: none;">The ASCII handler does this by asking another handler within </del>the <del style="font-weight: bold; text-decoration: none;">BES </del>in <del style="font-weight: bold; text-decoration: none;">which it's running </del>to <del style="font-weight: bold; text-decoration: none;">get </del>the <del style="font-weight: bold; text-decoration: none;">DataDDS. In </del>the <del style="font-weight: bold; text-decoration: none;">case </del>of the <del style="font-weight: bold; text-decoration: none;">NcML AIS</del>, <del style="font-weight: bold; text-decoration: none;">however</del>, we <del style="font-weight: bold; text-decoration: none;">won't be using </del>the <del style="font-weight: bold; text-decoration: none;">same sort of mechanism as eh ASCII </del>handler<del style="font-weight: bold; text-decoration: none;">. Instead, the mechanism used by </del>the <del style="font-weight: bold; text-decoration: none;">NcML AIS handler will be similar </del>to that <del style="font-weight: bold; text-decoration: none;">used </del>in the <del style="font-weight: bold; text-decoration: none;">WCS gateway</del>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>How do you get a response object 'within the BES?' In other words, one BES typically has a number of <ins style="font-weight: bold; text-decoration: none;">data </ins>handlers installed for a variety of data formats (netcdf, hdf4, et c.) and it also has <ins style="font-weight: bold; text-decoration: none;">response </ins>handlers that <ins style="font-weight: bold; text-decoration: none;">transmit </ins>standard DAP responses like the ASCII <ins style="font-weight: bold; text-decoration: none;">module </ins>(which takes a DataDDS response and <ins style="font-weight: bold; text-decoration: none;">transmits it in </ins>an ASCII text/plain type MIME document). <ins style="font-weight: bold; text-decoration: none;">In the case of the NCML module, we need the ability to take </ins>the <ins style="font-weight: bold; text-decoration: none;">different datasets represented </ins>in <ins style="font-weight: bold; text-decoration: none;">the ncml file and hand them off </ins>to <ins style="font-weight: bold; text-decoration: none;">their respective data/request handlers. For each dataset in </ins>the <ins style="font-weight: bold; text-decoration: none;">ncml file we need to determine what data/request handler handles that particular dataset give </ins>the <ins style="font-weight: bold; text-decoration: none;">type </ins>of <ins style="font-weight: bold; text-decoration: none;">data in </ins>the <ins style="font-weight: bold; text-decoration: none;">dataset (nc for netcdf</ins>, <ins style="font-weight: bold; text-decoration: none;">h5 for hdf5</ins>, <ins style="font-weight: bold; text-decoration: none;">etc...). Once </ins>we <ins style="font-weight: bold; text-decoration: none;">find </ins>the <ins style="font-weight: bold; text-decoration: none;">data/request </ins>handler <ins style="font-weight: bold; text-decoration: none;">for that dataset we hand off </ins>the <ins style="font-weight: bold; text-decoration: none;">request </ins>to that <ins style="font-weight: bold; text-decoration: none;">hanlder to fill </ins>in the <ins style="font-weight: bold; text-decoration: none;">response object (DAS, DDS, DataDDS)</ins>.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''<del style="font-weight: bold; text-decoration: none;">Note</del>:<del style="font-weight: bold; text-decoration: none;">''' </del>I<del style="font-weight: bold; text-decoration: none;">'m </del>a <del style="font-weight: bold; text-decoration: none;">little murky </del>on the <del style="font-weight: bold; text-decoration: none;">details here </del>and <del style="font-weight: bold; text-decoration: none;">I'm waiting </del>on <del style="font-weight: bold; text-decoration: none;">information from </del>Patrick.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">To do this we will do the following. For each location (dataset) in the ncml file (let</ins>'<ins style="font-weight: bold; text-decoration: none;">s assume local datasets for now), create a BESContainer object in the catalog BESContainerStorage.</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># Find the "catalog" container storage from the BESContainerStorageList::TheList().</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># Call add_container given the symbolic name of the dataset (which could be constructed given the symbolic name of the ncml container and the dataset basename) and the location of the dataset (relative to the document root specified in the bes.conf file).</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># Call look_for on that container storage to get the container just created</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># hang on to the container in the dhi. We</ins>'<ins style="font-weight: bold; text-decoration: none;">ll need to set it back when we</ins>'<ins style="font-weight: bold; text-decoration: none;">re done</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># set the container in dhi to the container just created</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># Call BESRequestHandlerList</ins>:<ins style="font-weight: bold; text-decoration: none;">:TheList()->execute_current( dhi ) and the BES framework will take care of the rest</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"># Set the dhi.container back to the ncml container we saved off, and move on to the next location (could probably do this outside of the loop iterating over locations)</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Please refer to NCMLRequestHandler in http://scm.opendap.org/trac/browser/tags/ncml_module/initial, which is a test module that </ins>I <ins style="font-weight: bold; text-decoration: none;">created to do this work.</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Of course, as mentioned above, this assumes that all of the datasets are local. There could be datasets that are handled on a different machine. For this, we could hand off those files to </ins>a <ins style="font-weight: bold; text-decoration: none;">BES running </ins>on the <ins style="font-weight: bold; text-decoration: none;">remote machine. Also, if there are many files in the ncml we could split them up </ins>and <ins style="font-weight: bold; text-decoration: none;">hand off some of the datasets to a different BES process running </ins>on <ins style="font-weight: bold; text-decoration: none;">this machine. We could do this in the NCML module, or we could work to create a general solution for this within the BES framework. The latter is appealing to me (</ins>Patrick<ins style="font-weight: bold; text-decoration: none;">)</ins>.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====[[Augment the Response]]====</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>====[[Augment the Response]]====</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Once the handler has the DDX response, what does it need to do to insert new information in the C++ object(s)?</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Once the handler has the DDX response, what does it need to do to insert new information in the C++ object(s)? <ins style="font-weight: bold; text-decoration: none;">Another question is, what if there are multiple containers? And what if those datasets are aggregated? We would need to add the new attributes to the resulting aggregated dap object.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Deliverables ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Deliverables ==</div></td></tr>
</table>
PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3908&oldid=prev
PatrickWest: /* Design */
2009-04-27T23:57:50Z
<p><span dir="auto"><span class="autocomment">Design</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:57, 27 April 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></netcdf></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></netcdf></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The NcML handler would be triggered by the BES to read this file, it would see that the value of location is '/data/nc/fnoc1.nc' so it would invoke the BES *within which <del style="font-weight: bold; text-decoration: none;">its </del>running* to get the needed DAP object. The BES would sort out how to do that and just go do it, returning the right thing to the NcML handler which would then parse the rest of the NcML file and stuff the additional info into the DAS/DDS/DDX and return the end result.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The NcML handler would be triggered by the BES to read this file, it would see that the value of location is '/data/nc/fnoc1.nc' so it would invoke the BES *within which <ins style="font-weight: bold; text-decoration: none;">it's </ins>running* to get the needed DAP object. The BES would sort out how to do that and just go do it, returning the right thing to the NcML handler which would then parse the rest of the NcML file and stuff the additional info into the DAS/DDS/DDX and return the end result.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The NcML handler will use the NcML document to find a 'source' data file and read a DAP object from it and then augment that DAP object using information in the NcML file. Because the NcML handler will use the BES to get the DAP objects, it will be able to add information to ''any'' file served by the BES, including those that are served by custom or 'one-off' handlers.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The NcML handler will use the NcML document to find a 'source' data file and read a DAP object from it and then augment that DAP object using information in the NcML file. Because the NcML handler will use the BES to get the DAP objects, it will be able to add information to ''any'' file served by the BES, including those that are served by custom or 'one-off' handlers.</div></td></tr>
</table>
PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3907&oldid=prev
PatrickWest: /* Design */
2009-04-27T23:57:03Z
<p><span dir="auto"><span class="autocomment">Design</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 23:57, 27 April 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Design ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Design ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Given a Hyrax server with a single URL that looks like http://test.opendap.org/dap/data/nc/fnoc1.nc from which you can get the usual set of DAP <del style="font-weight: bold; text-decoration: none;">things </del>(DAS, DDS, DataDDS, ASCII, HTML form and Info) adding the NcML Handler to that server's BES and writing a suitable NcML file (e.g., /data/ncml/fnoc_improved.ncml) would cause that server to have a second URL that would look like hhtp://test.opendap.org/dap/data/ncml/fnoc_improved.ncml to a DAP client. A DAP client could get the usual cast of suspects for this URL, too. Lets assume that the /data/ncml/fnoc_improved.ncml file adds some attributes to the /data/nc/fnoc1.nc data file, then the file /data/ncml/fnoc_improved.ncml would look something like:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Given a Hyrax server with a single URL that looks like http://test.opendap.org/dap/data/nc/fnoc1.nc from which you can get the usual set of DAP <ins style="font-weight: bold; text-decoration: none;">data products </ins>(DAS, DDS, DataDDS, ASCII, HTML form and Info) adding the NcML Handler to that server's BES and writing a suitable NcML file (e.g., /data/ncml/fnoc_improved.ncml) would cause that server to have a second URL that would look like hhtp://test.opendap.org/dap/data/ncml/fnoc_improved.ncml to a DAP client. A DAP client could get the usual cast of suspects for this URL, too. Lets assume that the /data/ncml/fnoc_improved.ncml file adds some attributes to the /data/nc/fnoc1.nc data file, then the file /data/ncml/fnoc_improved.ncml would look something like:</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><netcdf location="/data/nc/fnoc1.nc"></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><netcdf location="/data/nc/fnoc1.nc"></div></td></tr>
</table>
PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3851&oldid=prev
PatrickWest: /* Hyrax & BES Documentation */
2009-04-27T18:25:47Z
<p><span dir="auto"><span class="autocomment">Hyrax & BES Documentation</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:25, 27 April 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Extending BES Module]]: How to extend the BES <del style="font-weight: bold; text-decoration: none;">to meet the needs of the data provider.</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Extending BES Module]]: How to extend the BES</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3850&oldid=prev
PatrickWest: /* Hyrax & BES Documentation */
2009-04-27T18:25:15Z
<p><span dir="auto"><span class="autocomment">Hyrax & BES Documentation</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:25, 27 April 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l50">Line 50:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - <del style="font-weight: bold; text-decoration: none;">Extending_BES_Module</del>]]: How to extend the BES to meet the needs of the data provider.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - <ins style="font-weight: bold; text-decoration: none;">Extending BES Module</ins>]]: How to extend the BES to meet the needs of the data provider.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
PatrickWest
https://docs.opendap.org/index.php?title=AIS_Using_NcML&diff=3849&oldid=prev
PatrickWest: /* Hyrax & BES Documentation */
2009-04-27T18:25:02Z
<p><span dir="auto"><span class="autocomment">Hyrax & BES Documentation</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 18:25, 27 April 2009</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l50">Line 50:</td>
<td colspan="2" class="diff-lineno">Line 50:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Create BES Module]]: Documentation for a script that will make a skeleton module/handler for you.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Hyrax - Example BES Modules]]: An example module.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[<del style="font-weight: bold; text-decoration: none;">Hyrax_</del>-<del style="font-weight: bold; text-decoration: none;">_Extending_BES_Module</del>]]: How to extend the BES to meet the needs of the data provider.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[<ins style="font-weight: bold; text-decoration: none;">Hyrax </ins>- <ins style="font-weight: bold; text-decoration: none;">Extending_BES_Module</ins>]]: How to extend the BES to meet the needs of the data provider.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [http://www.opendap.org/support/bom_sdw/SDW_2r0_OLFSExtensions.ppt Extending the OLFS: Writing Custom Dispatch Handlers] (PowerPoint)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
PatrickWest