WG: [Qgis-developer] Announcing the vector_overlay_branch for testing

[John C. Tull]

It compiled fine. I'll try to test and get some feedback soon.

Cheers,
John

On Mar 3, 2009, at 2:12 PM, Marco Hugentobler wrote:

> Hi John
>
> This compile problem should be fixed now.
>
> Regards,
> Marco
>
> Am Dienstag 03 März 2009 17:48:06 schrieb John C. Tull:
>> It now appears that there might be a Qt-4.5 issue (I see Qt-4.4.1
>> being referenced in the error output, but perhaps this is unrelated):
>>
>> ...
>> [ 60%] Generating core/Makefile, gui/Makefile
>> Parsing SIP files for 'core' library...
>> /usr/local/bin/sip -c core -b /Users/jctull/sources/qgis/
>> vector_overlay_branch/build/python/core/core.sbf -I /usr/local/share/
>> sip/PyQt4 -x VendorID -t WS_MACX -x PyQt_NoPrintRangeBug -t  
>> Qt_4_4_1 -
>> g /Users/jctull/sources/qgis/vector_overlay_branch/python/core/ 
>> core.sip
>> Parsing SIP files for 'gui' library...
>> /usr/local/bin/sip -c gui -b /Users/jctull/sources/qgis/
>> vector_overlay_branch/build/python/gui/gui.sbf -I /Users/jctull/
>> sources/qgis/vector_overlay_branch/python -I /usr/local/share/sip/
>> PyQt4 -x VendorID -t WS_MACX -x PyQt_NoPrintRangeBug -t Qt_4_4_1 -g /
>> Users/jctull/sources/qgis/vector_overlay_branch/python/gui/gui.sip
>> sip: Unable to find file "qgsmapcanvassnapper.sip"
>> Creating makefiles...
>> Error: Unable to open
>> "/Users/jctull/sources/qgis/vector_overlay_branch/build/python/gui/
>> gui.sbf":
>> [Errno 2] No such file or directory:
>> '/Users/jctull/sources/qgis/vector_overlay_branch/build/python/gui/
>> gui.sbf'
>> make[2]: *** [python/core/Makefile] Error 1
>> make[1]: *** [python/CMakeFiles/python.dir/all] Error 2
>> make: *** [all] Error 2
>>
>> On Mar 2, 2009, at 12:07 PM, Hugentobler Marco wrote:
>>> Oh and the PAL classes require geos-3. What are the opinions, is it
>>> okay to define geos >= 3 as the minimum requirement for QGIS or do
>>> we still need to support geos 2?
>>>
>>> Regards,
>>> Marco
>>>
>>>
>>> -----Ursprüngliche Nachricht-----
>>> Von: qgis-developer-bounces at lists.osgeo.org im Auftrag von
>>> Hugentobler  Marco
>>> Gesendet: Mo 02.03.2009 20:40
>>> An: qgis-developer at lists.osgeo.org
>>> Betreff: [Qgis-developer] Announcing the vector_overlay_branch for
>>> testing
>>>
>>> Hi devs
>>>
>>> The vector overlay branch (which adds support for diagrams on maps)
>>> is in a state where it can be tested. Check out the source from svn
>>> with 'svn co https://svn.osgeo.org/qgis/branches/vector_overlay_branch'
>>> .
>>>
>>> The new features from a user perspective are:
>>> - a diagram Plugin. If it is selected, there is a new tab in the
>>> vector properties dialog where pie/bar/proportional symbol diagrams
>>> may be selected
>>> - in the option dialog, there is a new tab 'overlay' where it is
>>> possible to select the placement algorithm of the diagrams. The
>>> central point method is the old one, the others use algorithms of
>>> the PAL library. They also consider diagram objects in different
>>> layers. It is planned to use these algorithms also for label  
>>> placement
>>>
>>>> From a developer perspective, the branch makes the following  
>>>> changes:
>>>
>>> - It adds a new plugin type (overlay plugin) such that it is
>>> possible to have the diagrams in a plugin
>>> - It adds the interface QgsVectorOverlay. Currently the diagram
>>> overlay is the only implementation, but we are looking forward for
>>> the labels...
>>> - The diagram plugin is new
>>> - The sources of the PAL library are in core
>>> - The placement method of QgsVectorOverlay is called in the render
>>> loop in QgsMapRenderer
>>>
>>> A known issue is that the PAL library placement methods currently
>>> only work for meter units, not for maps in degrees. There is work in
>>> progress to change this.
>>>
>>> Regards and looking forward for your feedback,
>>> Marco
>>> _______________________________________________
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>>>
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>>
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>
> -- 
> Dr. Marco Hugentobler
> HUGIS - GIS Programmierung und Beratung Hugentobler
> Honrainweg 5
> CH-8038 Zürich
> nhugent at hispeed.ch
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