Hi, John, The FastQuery software is available at <https://codeforge.lbl.gov/projects/fastquery/>. The doxygen documentation is available at <http://lbl.gov/~kwu/fastbit/doc/fq/>.
Please feel to let us know if you have any questions about the software. John On 9/18/12 2:22 AM, Biddiscombe, John A. wrote: > Dear list, > > I am curious to know if there is any progress in this regard. I would like to > try out FastQuery on our in (distributed) memory hdf5 files and it'd be very > useful to know if there's an expected (weeks/months/years?) timescale of when > this might become available for testing. > > thanks > > JB > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of K. John Wu > Sent: 18 November 2011 01:46 > To: FastBit Users > Subject: Re: [FastBit-users] Building indexes from in-memory > multi-dimensional arrays > > Hi, Anderson, > > Yes, FastQuery will be an extension built on top of FastBit. The paper for > releasing the software is being processed at this time. > > John > > > On 11/17/11 2:34 PM, Anderson C. Carniel wrote: >> Hi, John! >> >> FastQuerywill beanextensionof the currentFastBitoraseparate software? >> Great Job. >> >> Regards >> Anderson >> >> > Date: Thu, 17 Nov 2011 07:43:42 -0800 > From: [email protected] > To: >> [email protected] > CC: >> [email protected] >> > Subject: Re: [FastBit-users] Building indexes from in-memory >> multi-dimensional arrays > > Hi, Matthieu, > > You could use >> FastBit to do what you would like, but it will take some > work. >> > >> > - FastBit does not require you to explicitly generate x, y, and z, >> but > it does want you to put temperature in a file of its own named >>> temperature. It is possible to keep temperature in your own data >> file > if it is in HDF5, netCDF, or ADIOS BP format > >> <http://www.mcs.anl.gov/events/workshops/iasds11/papers/PID2005987.pdf >>> >> > >> > - once you have the data file temperature, you need to tell FastBit >>> that the data values are on a regular mesh. This is done with a > >> key-value pair in the header portion of the metadata file -part.txt. >> > Here is an example >> > >> > meshShape = (100, 100, 100) >> > >> > - you can issue queries of type ibis::meshQuery on the data >> partitions > with mesh shape defined. You can find more information >> about the > meshQuery class at > >> <http://lbl.gov/~kwu/fastbit/doc/html/classibis_1_1meshQuery.html>. >> > >> > >> > As you might guessed from the first item mentioned above, we are > >> working on something else to make your task a little easier. >> > Unfortunately, we have not got the official permission to release >> the > source code yet. We are happy to get a few beta testers or > >> collaborators if you are interested. >> > >> > John >> > >> > >> > >> > On 11/17/11 3:13 AM, Matthieu Dorier wrote: >> > > Hello, >> > > >> > > I'm new to FastBit and I have troubles understanding how to use >> its > > C++ API. I would like to do the following: >> > > I have a 3D array of floats representing a physical value (for > >>> instance "temperature") along a 3D grid. >> > > I would like to be able to answer queries like "give me all the >>>> coordinates (x,y,z) where temperature > T", without having to > > >> transform the original data into a list of (x,y,z,temperature) tuples, >>>> without making a copy of these data, without writing anything to a >>>> file (the resulting index could eventually be stored in a file, >> but I > > don't want it to be done automatically). In other words, I >> would like > > to simply wrap my data (along with other information >> if required) into > > a structure from which FastBit can work. >> > > How can I do that? >> > > >> > > Thanks >> > > >> > > -- >> > > Matthieu Dorier >> > > ENS Cachan, Brittany (Computer Science dpt.) > > IRISA Rennes, >> Office E324 > > >> http://perso.eleves.bretagne.ens-cachan.fr/~mdori307/wiki/ >> > > <http://perso.eleves.bretagne.ens-cachan.fr/%7Emdori307/wiki/> >> > > >> > > >> > > _______________________________________________ >> > > FastBit-users mailing list >> > > [email protected] >> > > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users >> > _______________________________________________ >> > FastBit-users mailing list >> > [email protected] >> > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users >> >> >> _______________________________________________ >> FastBit-users mailing list >> [email protected] >> https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users > _______________________________________________ > FastBit-users mailing list > [email protected] > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users > _______________________________________________ > FastBit-users mailing list > [email protected] > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users > _______________________________________________ FastBit-users mailing list [email protected] https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users
