Hei Larry, I will send them offline.
stefan Larry Becker schrieb: > I'm waiting on Stefan's magic 1000 point polygon. Mine draws too > quickly to benchmark. > > On Tue, Feb 23, 2010 at 10:08 AM, Sunburned Surveyor > <sunburned.surve...@gmail.com <mailto:sunburned.surve...@gmail.com>> wrote: > > Larry, > > Kudos for your work on improving rendering performance in OpenJUMP. > Should we test the fix you mention where we "rough clip" large > lineStrings that contain the viewport in their bounding box? > > The Sunburned Surveyor > > On Mon, Feb 22, 2010 at 3:04 PM, Larry Becker > <becker.la...@gmail.com <mailto:becker.la...@gmail.com>> wrote: > > If the problem is what we have been assuming, I see where > Martin's algorithm > > could be applied: > > > > > com.vividsolutions.jump.workbench.ui.renderer.style.StyleUtil#toShape() > > > > We could do a conversion of large linestrings whose bounding > boxes contain > > the viewport, to "rough clip" MultiLineStrings instead of the > clipGeometry > > call. This should enable Java's graphics clipper to do its work > > efficiently. The tough part is to not slow down the best case > performance > > too much. > > > > Larry > > > > > > On Mon, Feb 22, 2010 at 4:44 PM, Martin Davis > <mbda...@refractions.net <mailto:mbda...@refractions.net>> > > wrote: > >> > >> Yeah, it seems to me that I haven't seen much speed impact from > >> rendering fairly large linestrings. I suppose it's possible > that if the > >> linestring was really complex the intersection() computation > might be > >> slow, however. > >> > >> In any case, computing a full intersection() is definitely doing > more > >> work than required for rendering. So this would be a good thing to > >> optimize. It's one of those things which isn't necessarily all that > >> noticeable, but is quietly burning cycles all the time. > >> > >> Larry Becker wrote: > >> > Better send it to me too. All the cases I've found in the > wild render > >> > very > >> > quickly. See the attached for an example. > >> > > >> > Larry > >> > > >> > On Mon, Feb 22, 2010 at 4:13 PM, Martin Davis > >> > <mbda...@refractions.net <mailto:mbda...@refractions.net>>wrote: > >> > > >> > > >> >> Stefan, for future reference can you send the linestring, and the > >> >> viewport which causes the problem? > >> >> > >> >> Stefan Steiniger wrote: > >> >> > >> >>> mhm.. ok, so I would guess the problem is related to the > size of the > >> >>> geometries and its drawing? > >> >>> I recently had a problem - drawing a linestring that > consisted of more > >> >>> than 1000 points. I couldn't do anything for 20-30 seconds on MS > >> >>> Vista, > >> >>> my XP was a bit faster. However, the problem solved when I > connected > >> >>> the > >> >>> 1000 points with linestrings that have only a start and > endpoint, i.e. > >> >>> instead of drawing 1 linestring a had to draw now 500, but > here the > >> >>> 500 > >> >>> lines could be drawn one after each other, and everything is > done > >> >>> within > >> >>> 2-3 seconds (instead of 20 secs) > >> >>> > >> >>> (if Larry wants to test, I can send that linestring?) > >> >>> > >> >>> however, I am not sure why working with the 1000 points > linestring is > >> >>> so > >> >>> slow (i.e. does paint make some tests?) > >> >>> > >> >>> stefan > >> >>> > >> >>> luca marletta wrote: > >> >>> > >> >>> > >> >>>> luca marletta > >> >>>> www.beopen.it <http://www.beopen.it> > >> >>>> > >> >>>> > >> >>>> > >> >>>> On Fri, Feb 19, 2010 at 5:42 PM, Larry Becker > >> >>>> <becker.la...@gmail.com <mailto:becker.la...@gmail.com>> > >> >>>> > >> >> wrote: > >> >> > >> >>>>> Hi luca, > >> >>>>> > >> >>>>> When you try to select features, does the status bar > quickly show > >> >>>>> > >> >> your > >> >> > >> >>>>> selection count, even though no selection handles appear? > >> >>>>> > >> >>>>> If not, this explains why the right click menu is not > appearing. > >> >>>>> It > >> >>>>> > >> >> needs > >> >> > >> >>>>> selection information to enable or disable options. > >> >>>>> > >> >>>>> > >> >>>> Larry, no I had not much problem with showing selection > count, is > >> >>>> anyway > >> >>>> > >> >> quick. > >> >> > >> >>>> I noticed an important stuff. > >> >>>> > >> >>>> May dataset is full of large and aggregated geometry and in > this case > >> >>>> I guess geometry index can not much help. > >> >>>> > >> >>>> If I explode all, I reduce the delay a lot. > >> >>>> > >> >>>> luca > >> >>>> > >> >>>> > >> >>>> > >> >> > >> >> > > ------------------------------------------------------------------------------ > >> >> > >> >>>> Download Intel® Parallel Studio Eval > >> >>>> Try the new software tools for yourself. Speed compiling, > find bugs > >> >>>> proactively, and fine-tune applications for parallel > performance. > >> >>>> See why Intel Parallel Studio got high marks during beta. > >> >>>> http://p.sf.net/sfu/intel-sw-dev > >> >>>> _______________________________________________ > >> >>>> Jump-pilot-devel mailing list > >> >>>> Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > >> >>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> >>>> > >> >>>> > >> >>> > >> >> > >> >> > > ------------------------------------------------------------------------------ > >> >> > >> >>> Download Intel® Parallel Studio Eval > >> >>> Try the new software tools for yourself. Speed compiling, > find bugs > >> >>> proactively, and fine-tune applications for parallel > performance. > >> >>> See why Intel Parallel Studio got high marks during beta. > >> >>> http://p.sf.net/sfu/intel-sw-dev > >> >>> _______________________________________________ > >> >>> Jump-pilot-devel mailing list > >> >>> Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > >> >>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> >>> > >> >>> > >> >>> > >> >> -- > >> >> Martin Davis > >> >> Senior Technical Architect > >> >> Refractions Research, Inc. > >> >> (250) 383-3022 > >> >> > >> >> > >> >> > >> >> > >> >> > > ------------------------------------------------------------------------------ > >> >> Download Intel® Parallel Studio Eval > >> >> Try the new software tools for yourself. Speed compiling, > find bugs > >> >> proactively, and fine-tune applications for parallel performance. > >> >> See why Intel Parallel Studio got high marks during beta. > >> >> http://p.sf.net/sfu/intel-sw-dev > >> >> _______________________________________________ > >> >> Jump-pilot-devel mailing list > >> >> Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > >> >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> >> > >> >> > >> > > >> > > >> > > >> > > >> > > >> > > ------------------------------------------------------------------------ > >> > > >> > > ------------------------------------------------------------------------ > >> > > >> > > >> > > > ------------------------------------------------------------------------------ > >> > Download Intel® Parallel Studio Eval > >> > Try the new software tools for yourself. Speed compiling, find > bugs > >> > proactively, and fine-tune applications for parallel performance. > >> > See why Intel Parallel Studio got high marks during beta. > >> > http://p.sf.net/sfu/intel-sw-dev > >> > > ------------------------------------------------------------------------ > >> > > >> > _______________________________________________ > >> > Jump-pilot-devel mailing list > >> > Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > >> > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > >> > > >> > >> -- > >> Martin Davis > >> Senior Technical Architect > >> Refractions Research, Inc. > >> (250) 383-3022 > >> > >> > >> > >> > > ------------------------------------------------------------------------------ > >> Download Intel® Parallel Studio Eval > >> Try the new software tools for yourself. Speed compiling, find bugs > >> proactively, and fine-tune applications for parallel performance. > >> See why Intel Parallel Studio got high marks during beta. > >> http://p.sf.net/sfu/intel-sw-dev > >> _______________________________________________ > >> Jump-pilot-devel mailing list > >> Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > > > > -- > > Larry Becker > > Integrated Systems Analysts, Inc. > > > > > > ------------------------------------------------------------------------------ > > Download Intel® Parallel Studio Eval > > Try the new software tools for yourself. Speed compiling, find bugs > > proactively, and fine-tune applications for parallel performance. > > See why Intel Parallel Studio got high marks during beta. > > http://p.sf.net/sfu/intel-sw-dev > > _______________________________________________ > > Jump-pilot-devel mailing list > > Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > <mailto:Jump-pilot-devel@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > -- > Larry Becker > Integrated Systems Analysts, Inc. > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > > > ------------------------------------------------------------------------ > > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
