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Hi, I have submitted a bug report couple weeks ago regarding to this problem. It only happens on point source subset. Guan _____ From: thredds-bounces@xxxxxxxxxxxxxxxx [mailto:thredds-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Marcos Hermida Sent: Friday, April 15, 2011 2:19 AM To: THREDDS Users; John Maurer Subject: Re: [thredds] NetCDF Subset Service for curvilinear grid as point data: unexpected ArrayIndexOutOfBoundsException Hi John, all, I also reported the same issue few weeks ago, but without any answer: http://www.unidata.ucar.edu/mailing_lists/archives/thredds/2010/msg00346.htm l urls provided in that link don't work yet, and updated datasets can be found here: http://mandeo.meteogalicia.es/thredds/catalogos/SWAN/swan_catalog.html but the problem is still the same. We also developed a tool that allows users request data through NCSS (as point dataset) by clicking on a map and there you can see a bit of the problem: http://sor.meteogalicia.es:8080/mg-web-raia/visor/raia/html/visorRAIA.html?r equest_locale=en In the SWAN layers, which have two-dimensional lat/lon, sometimes you don't get any data because of the server error you mentioned and when you get data the lat/lon in the NCSS response showed in the popup doesn't match with the lat/lon on the map. And regarding netCDFSubset I'm also wondering if there is some underway solution to the problem with multiple variables with different vertical coordinates in requests as point dataset. Cheers! On April 15, 2011 at 2:37 AM John Maurer <jmaurer@xxxxxxxxxx> wrote: Aloha TDS Folks, I've run into a problem trying to download data for several of our curvilinear grids as point data using the NetCDF Subset Service (NCSS). Not only are the latitude and longitude returned different from the latitude and longitude I request (even though I'm supposedly using grid center points reported via ncWMS), it sometimes produces the following error for latitudes and longitudes that I know are within bounds and contain valid data (see error below from threddsServlet.log). It would seem that there is a bug in how TDS is trying to convert the specified latitude and longitude to grid coordinates?, which may perhaps be related to these grids being curvlinear (two-dimensional lat/lon variables)? I was hoping to deploy this soon as a method for users to download recent data (from our TDS) at a clicked location within our Google Maps interface. Any help would be greatly appreciated! Mahalo, John Maurer Pacific Islands Ocean Observing System (PacIOOS) The full URL for the example request failure would be: http://oos.soest.hawaii.edu/thredds/ncss/grid/hioos/roms_forec/hiog/HI-ROMS_ Forecast_Model_Run_Collection_best.ncd?accept=csv <http://oos.soest.hawaii.edu/thredds/ncss/grid/hioos/roms_forec/hiog/HI-ROMS _Forecast_Model_Run_Collection_best.ncd?accept=csv&var=temp&time_end=2011-04 -15T00:00:00Z&time_duration=PT24H&vertCoord=-0.016666666666666666&point=true &latitude=21.177492141723633&longitude=-158.25900268554688> &var=temp&time_end=2011-04-15T00:00:00Z&time_duration=PT24H&vertCoord=-0.016 666666666666666&point=true&latitude=21.177492141723633&longitude=-158.259002 68554688 An example request that succeeds for a nearby location would be: http://oos.soest.hawaii.edu/thredds/ncss/grid/hioos/roms_forec/hiog/HI-ROMS_ Forecast_Model_Run_Collection_best.ncd?accept=csv <http://oos.soest.hawaii.edu/thredds/ncss/grid/hioos/roms_forec/hiog/HI-ROMS _Forecast_Model_Run_Collection_best.ncd?accept=csv&var=temp&time_end=2011-04 -15T00:00:00Z&time_duration=PT24H&vertCoord=-0.016666666666666666&point=true &latitude=21.087862014770508&longitude=-157.67779541015625> &var=temp&time_end=2011-04-15T00:00:00Z&time_duration=PT24H&vertCoord=-0.016 666666666666666&point=true&latitude=21.087862014770508&longitude=-157.677795 41015625 threddsServlet.log: 2011-04-14T14:24:57.907 -1000 [ 25941269][ 5155] INFO - thredds.server.ncSubset.GridServlet - doGet(): Remote host: 128.171.151.240 - Request: "GET /thredds/ncss/grid/hioos/roms_forec/hiog/HI-ROMS_Forecast_Model_Run_Collecti on_best.ncd?accept=csv&var=temp&time_end=2011-04-15T00:00:00Z&time_duration= PT24H&vertCoord=-0.016666666666666666&point=true&latitude=21.177492141723633 &longitude=-158.25900268554688 HTTP/1.1" 2011-04-14T14:24:57.928 -1000 [ 25941290][ 5155] ERROR - thredds.server.ncSubset.GridServlet - GridServlet.processGridAsPoint java.lang.ArrayIndexOutOfBoundsException at ucar.ma2.Index2D.setDirect(Index2D.java:137) at ucar.ma2.ArrayDouble$D2.get(ArrayDouble.java:295) at ucar.nc2.dataset.CoordinateAxis2D.getCoordValue(CoordinateAxis2D.java:76) at ucar.nc2.dt.grid.GridCoordSys.getLatLon(GridCoordSys.java:1065) at ucar.nc2.dt.grid.GridAsPointDataset.readData(GridAsPointDataset.java:130) at thredds.server.ncSubset.GridPointWriter.write(GridPointWriter.java:233) at thredds.server.ncSubset.GridServlet.processGridAsPoint(GridServlet.java:298) at thredds.server.ncSubset.GridServlet.doGet(GridServlet.java:210) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) at thredds.servlet.filter.RequestQueryFilter.doFilter(RequestQueryFilter.java:1 21) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) at thredds.servlet.filter.RequestPathFilter.doFilter(RequestPathFilter.java:105 ) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application FilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh ain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja va:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja va:191) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase .java:433) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128 ) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102 ) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http 11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) 2011-04-14T14:24:57.929 -1000 [ 25941291][ 5155] INFO - thredds.server.ncSubset.GridServlet - Request Completed - 500 - 0 - 22
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