Ciao Tom, see previous emails. Share with us the GT changes, please :P
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The sender does not give any warranty or accept liability as the content, accuracy or completeness of sent messages and accepts no responsibility for changes made after they were sent or for other risks which arise as a result of e-mail transmission, viruses, etc. On Fri, Sep 4, 2015 at 8:22 AM, Tom Kunicki <tom.kuni...@weather.com> wrote: > Jody, > > Thanks for the nudge to join the JAI-Ext lists. > > For reference... GeoTools 14-M1 w/ JAI-Ext is giving me a >12x speed > increase w/ warp transforms and bicubic interpolation against GridCoverages > with floating point data types. The timing of this work is great. > > I had to make some changes to Resampler2D in GeoTools. I'll defer a PR > until I consult with the JAI-Ext folk to understand why the workarounds I > reverted were initially in place. I am not seeing any artifacts with my > resampling thus far (but maybe I don't know what to look for or my use-case > doesn't expose the issue). > > Tom > > On Wed, Sep 2, 2015 at 1:58 PM, Jody Garnett <jody.garn...@gmail.com> > wrote: > >> At the very least you could stage your own replacement operation in that >> project (and remove the need for a workaround). >> >> Tom you may seriously wish to join that project's mailing list and ask >> your question there (since that project is much closer to the metal so to >> speak). >> >> -- >> Jody Garnett >> >> On 2 September 2015 at 11:00, Tom Kunicki <tom.kuni...@weather.com> >> wrote: >> >>> Jody, >>> >>> Thanks, I am still looking into this. Any idea if the new JAI-Ext work >>> will remove the need for that Warp workaround w/ floating point data types? >>> >>> On Tue, Sep 1, 2015 at 4:18 PM, Jody Garnett <jody.garn...@gmail.com> >>> wrote: >>> >>>> No great insight here Tom, do you want to create a bug report? >>>> >>>> -- >>>> Jody Garnett >>>> >>>> On 31 August 2015 at 16:41, Tom Kunicki <tom.kuni...@weather.com> >>>> wrote: >>>> >>>>> >>>>> Hi, >>>>> >>>>> I have a floating point coverage that I would like to resample with >>>>> BiCubic interpolation that requires a warp transform using GeoTools 13.2. >>>>> >>>>> I am running into an issue attempting to resample a floating point >>>>> coverage and have isolated the issue to the following workaround here >>>>> <https://github.com/geotools/geotools/blob/master/modules/library/coverage/src/main/java/org/geotools/coverage/processing/operation/Resampler2D.java#L705> >>>>> . >>>>> >>>>> I seems the code is trying to reenter the reproject method by nulling >>>>> out the interpolation argument (enters with BiCubic). It seems the >>>>> original interpolation is set in the hints parameters so on each reentry >>>>> BiCubic is pulled out of the hints and then the reproject method called >>>>> again (until a StackOverflow is finally thrown). >>>>> >>>>> Is there any workaround? Happy to code with guidance. >>>>> >>>>> -- >>>>> * Tom Kunicki* | Software Engineer >>>>> *w:* 608 695 4251 *e:* tom.kuni...@weather.com >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> * Tom Kunicki* | Software Engineer >>>>> *w:* 608 695 4251 *e:* tom.kuni...@weather.com >>>>> >>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> >>>>> _______________________________________________ >>>>> GeoTools-GT2-Users mailing list >>>>> GeoTools-GT2-Users@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >>>>> >>>>> >>>> >>> >>> >>> -- >>> * Tom Kunicki* | Software Engineer >>> *w:* 608 695 4251 *e:* tom.kuni...@weather.com >>> >>> >> > > > -- > * Tom Kunicki* | Software Engineer > *w:* 608 695 4251 *e:* tom.kuni...@weather.com > > > > ------------------------------------------------------------------------------ > > _______________________________________________ > GeoTools-GT2-Users mailing list > GeoTools-GT2-Users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users > >
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