[Qgis-developer] Open a *.qgs project file in API, why maps do not show?

Gary Sherman gsherman at geoapt.com
Mon Oct 20 19:34:22 PDT 2014


On 10/20/14 6:24 PM, Spartucus wrote:
> Hi Gary ,
> Thanks for reply!
> I don't what iface is. Is it another name of QgsProject::instance()? I'm
> using C++ to developing app.
>
>

Ah, I missed the fact you were using C++.

iface is an instance of QgisInterface available in the Python console. 
It exposes interfaces in QgisApp, which doesn't help you if you are 
developing a standalone app in C++.

See the code for: QgisApp::addProject( QString projectFile ) in 
qgisapp.cpp for how QGIS loads a project file.


	
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