[Qgis-developer] Announcing raster-pipes-2 branch for testing

[Marco Bernasocchi]

On 07/19/2012 10:06 PM, Tim Sutton wrote:
> Hi
>
> On Thu, Jul 19, 2012 at 9:16 PM, Marco Hugentobler
> <marco.hugentobler at sourcepole.ch> wrote:
>> Hi Tim
>>
>> Yes, mbtiles would be cool. I've decided to go with vrt/overview for now
>> because mbtiles need a very recent GDAL. But mbtiles could be an additional
>> option in future (especially interesting for mobile devices).
>>
> Yes true thanks!
I'll look into it soon,,,
ciao
>
> Regards
>
> Tim
>
>
>> Regards,
>> Marco
>>
>>
>> On 18.07.2012 22:52, Tim Sutton wrote:
>>> Hi
>>>
>>> On Wed, Jul 18, 2012 at 9:12 PM, Etienne Tourigny
>>> <etourigny.dev at gmail.com> wrote:
>>>> Noticed a few issues with the save dialog
>>>>
>>>> 1) "format" drop-down is empty
>>>> 2) cannot select a new file
>>>> 3) segfault when saving to an existing file
>>>> 4) It would be nice to have that action in the legend contextual menu,
>>>> like for vector layers.
>>>>
>>> It would be really awesome to save those tiles straight into an
>>> mbtiles sqlite data store too - a nice way to turn an online resource
>>> into a portable fast local copy.
>>>
>>> Regards
>>>
>>> Tim
>>>
>>>> regards,
>>>> Etienne
>>>>
>>>> On Wed, Jul 18, 2012 at 3:59 PM, Etienne Tourigny
>>>> <etourigny.dev at gmail.com> wrote:
>>>>> That's great news!
>>>>>
>>>>> Concerning raster saving - will there be a mechanism for compressing
>>>>> files?
>>>>> It would be great if default compression schemes could be chosen for
>>>>> different file types, and an option at save time - sort of like image
>>>>> editors.
>>>>>
>>>>> I had trouble building it with external spatialite, could only get it
>>>>> to compile with cmake -DWITH_INTERNAL_SPATIALITE=TRUE - does this
>>>>> require a special version of spatialite?
>>>>>
>>>>> regards,
>>>>> Etienne
>>>>>
>>>>> On Wed, Jul 18, 2012 at 12:13 PM, Marco Hugentobler
>>>>> <marco.hugentobler at sourcepole.ch> wrote:
>>>>>> Hi devs
>>>>>>
>>>>>> I'd like to announce the branch 'raster-pipes-2' in Radims repository
>>>>>> https://github.com/blazek/Quantum-GIS for testing.
>>>>>> Radim did a great job in refactoring the process of reading /
>>>>>> resampling /
>>>>>> reprojecting / displaying / modifying raster layers. Every step is now
>>>>>> a
>>>>>> subclass of QgsRasterInterface, with the advantage that several steps
>>>>>> can be
>>>>>> chained in a QgsRasterPipe. Like that, the raster functionality is
>>>>>> nicely
>>>>>> separated into different classes and it is easy to add/remove elements
>>>>>> in
>>>>>> the pipe. The iteration over the raster parts is controlled by
>>>>>> QgsRasterIterator (because for high-resolution prints or analysis on
>>>>>> large
>>>>>> datasets, it is impossible to keep everything in memory at once).
>>>>>>
>>>>>> Please report any issue you find in the branch to the developer mailing
>>>>>> list.
>>>>>>
>>>>>> Besides the changes in code architecture, there is also a new feature
>>>>>> in the
>>>>>> raster-pipes-2 branch. It is now possible to write through
>>>>>> QgsRasterDataProvider (currently only supported by the gdal provider).
>>>>>> There
>>>>>> is a 'save as...' function also for rasters now (though it is not 100%
>>>>>> complete at the moment). There is the option to save a raster in one
>>>>>> file or
>>>>>> in tiles (the tiles are then saved in one directory and vrt / pyramides
>>>>>> are
>>>>>> automatically created. Very usefull for saving the contents of a WMS
>>>>>> layer).
>>>>>>
>>>>>> Regards,
>>>>>> Marco
>>>>>>
>>>>>> --
>>>>>> Dr. Marco Hugentobler
>>>>>> Sourcepole -  Linux & Open Source Solutions
>>>>>> Weberstrasse 5, CH-8004 Zürich, Switzerland
>>>>>> marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
>>>>>> Technical Advisor QGIS Project Steering Committee
>>>>>>
>>>>>> _______________________________________________
>>>>>> Qgis-developer mailing list
>>>>>> Qgis-developer at lists.osgeo.org
>>>>>> http://lists.osgeo.org/mailman/listinfo/qgis-developer
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>>>
>>>
>>
>> --
>> Dr. Marco Hugentobler
>> Sourcepole -  Linux & Open Source Solutions
>> Churerstrasse 22, CH-8808 Pfäffikon SZ, Switzerland
>>
>> marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
>> Technical Advisor QGIS Project Steering Committee
>>
>
>


-- 
Marco Bernasocchi
http://opengis.ch