[Qgis-developer] QgsMapLayerRegistry.mapLayers() not available in Python Bindings

[Düster Horst]

Barry,

Yep that's exactly the solution for my problem. Thank you very much.

Regards 
Horst

------------------------------------------------

Dr. Horst Düster
GIS-Koordinator, Stv. Amtschef

Kanton Solothurn
Bau- und Justizdepartement
Amt für Geoinformation
SO!GIS Koordination
Rötistrasse 4
CH-4501 Solothurn

Telefon ++41(0)32 627 25 32
Telefax ++41(0)32 627 22 14

mailto:horst.duester at bd.so.ch
http://www.agi.so.ch



-----Ursprüngliche Nachricht-----
Von: Barry Rowlingson [mailto:b.rowlingson at lancaster.ac.uk]
Gesendet am: Freitag, 11. Januar 2008 11:40
An: Düster Horst
Cc: qgis-developer
Betreff: Re: [Qgis-developer] QgsMapLayerRegistry.mapLayers() not
available in Python Bindings

Düster Horst wrote:
> With Python I want to get all avalilable map layers from my current
> project. I tried to do this with 
> 
> layerCollection = QgsMapLayerRegistry().instance().mapLayers()
> 
> It doesn't work. I took a look into qgsmaplayerregistry.sip and found
> out that the method mapLayers() is not wrapped until now. What is to
do
> to wrap this method. Does exists a workareound to retrieve all project
> layers.

You can get all the layers in the current map canvas from the console
thus:

# get the map canvas
mc=iface.getMapCanvas()

# how many layers are there?
nLayers=mc.layerCount()

# loopage:

for l in range(nLayers):
   layer = mc.getZpos(l)
   doSomethingWith(layer)

  - is that good enough?

Barry

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