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

[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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