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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Don Murray wrote: > > - If you have a grib file, say test.grb and index it,then rewrite > test.grb but it ends up being the same size (maybe you are just changing > param tables), the index will not get rewritten automatically. There is > a method that can be used to set this to always rewrite the index if the > date has changed, but I can't find docs on what it is. Perhaps > it's GribServiceProvider.setIndexSyncMode()? It would be nice to have > some javadocs filled in on all these methods, so we know what they > do. John? Ive added http://www.unidata.ucar.edu/software/netcdf-java/reference/Caching.html and this javadoc: /** * This controls the case where the GRIB file has changed, which is detected by comparing the GRIB * file length with the file length recorded in the index file. If there is no index, one will be created. * Default is IndexExtendMode.rewrite. * <ol> * <li>IndexExtendMode.extend: when GRIB file length increases, extend the index. This is the case when the file * is being appended to, as new data arrives. * <li>IndexExtendMode.rewrite: when GRIB file length changes, rewrite the index. This is the safest thing to do, * at the expense of performance. * <li>IndexExtendMode.none: never modify an existing index. If there is no index, one will be created. * </ol> * @param mode IndexExtendMode when file is opened */ static public void setIndexExtendMode(IndexExtendMode mode); note that it uses file length, not last modified. thanks for your comments
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