HiPS big upgrade in progress
Pierre Fernique
Pierre.Fernique at astro.unistra.fr
Tue Jul 16 11:30:57 CEST 2019
Dear HiPS contributors and providers,
As we announced a few weeks ago, according to the IVOA discussion at
Victoria Interop, *CDS has upgraded all his HiPS* for generating their
low orders [0 to 2] to allow the usage of simplified HiPS client display
algorithms. It is done and operational since a few weeks on the CDS servers.
If you have mirrored some of these HiPS,*it is now time to update your
copies*. The simplest method is to use Hipsgen tool (lastest version
here <http://aladin.unistra.fr/java/Hipsgen.jar>) with "MIRROR" action.
Notice that only additional tiles and the properties file will be copied
(should take a few minutes per HiPS)
java -jar Hipsgen.jar -check in=http://alasky.u-strasbg.fr/...."
out=targetDir MIRROR
Warning: if you do not synchronize your HiPS mirrors, they will be
ignored by HiPS clients which will be assuming that your copies are
obsolete (notably Aladin Desktop).
Parallelly, if you have produced your own HiPS, it is also recommended
to upgrade them for *generating their low order tiles*. Again, use
Hipsgen tool (lastest version) with the "UPDATE" action
java -jar Hipsgen.jar out=TargtDir UPDATE
When it will be done, your own mirror sites will have to MIRROR your
HiPS (notably CDS)
Do not hesitate to contact us in case of doubts or problems.
Best regards
Pierre Fernique
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