An unfortunate side-effect of the most recent change is seg-faulting on existing qgis projects. Any thoughts on how to get around this? I would gladly hand-edit my xml project file if necessary.
Cheers, John On Jul 8, 2010, at 4:12 AM, Marco Hugentobler wrote: > Hi William > > It is disabled now (r13899). > Let me know if you find out more (or some conditions when the icon can be > savely enabled). > > Regards, > Marco > > Am Dienstag, 6. Juli 2010, um 17.17:55 schrieb William Kyngesburye: >> For release, maybe disble it, and work on a solution for 1.6? >> >> A note about the raster format - I wonder if it only affects rasters >> without overviews. For the vrts in Greg's test, though the files >> referenced in the vrts are JP2s, does a vrt inherit the overviews? I did >> a test with a single 1 GiB JP2 and it generates the legend icon nearly >> instantaneously. A 1.3 GiB tiff without overviews takes a long time, yet >> the same with overviews is fast. A 200MiB tiff without overviews has a >> noticable delay, but it's not horrible. >> >> Though, Greg's test vrts are quite small, just 14MiB across 4 vrts. Maybe >> there's something else with a vrt that slows down the legend generation? >> Zooming and panning are not affected. >> >> On Jul 6, 2010, at 4:21 AM, Marco Hugentobler wrote: >>>> (a raster scaled down to 16x16 pixels usually >>>> doesn't provide a good overview) >>> >>> I made a little self-test here and it was quite easy to distinguish >>> different topographic map sheets by their legend icons (even if they >>> have exactly the same color schema). >>> >>> Regards, >>> Marco >>> >>> Am Dienstag, 6. Juli 2010, um 10.26:10 schrieb Martin Dobias: >>>> Hi >>>> >>>> On Tue, Jul 6, 2010 at 8:35 AM, Marco Hugentobler >>>> >>>> <[email protected]> wrote: >>>>> Hi William >>>>> >>>>> Ah, good to know it is the icon generation that makes loading projects >>>>> with many raster layers slow. >>>>> >>>>> Making a user option to disable layer icons sounds good. However, this >>>>> would involve a string change (option dialog). String freeze for 1.5 is >>>>> already over for a while now. So (unless there is a better solution for >>>>> the problem without string change) something for 1.6... >>>> >>>> in my opinion, we could actually remove this feature. I don't find it >>>> particularly useful (a raster scaled down to 16x16 pixels usually >>>> doesn't provide a good overview), it adds additional overhead when the >>>> raster layer is loaded and further complicates the complex raster >>>> code. Another argument could be that vector layer also don't have an >>>> icon containing the preview. >>>> >>>> I'm just afraid of creating too many configurable options that barely >>>> anyone will understand their purpose. >>>> >>>> Regards >>>> Martin >> >> ----- >> William Kyngesburye <kyngchaos*at*kyngchaos*dot*com> >> http://www.kyngchaos.com/ >> >> "I ache, therefore I am. Or in my case - I am, therefore I ache." >> >> - Marvin > > > -- > Dr. Marco Hugentobler > Sourcepole - Linux & Open Source Solutions > Webereistrasse 66, 8134 Adliswil, Switzerland > [email protected] http://www.sourcepole.ch > Technical Advisor QGIS Project Steering Committee > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
