Hi Andre,
On Sat, 12. Jun 2010 at 17:37:00 +0100, ALT SHN wrote:
> Many of you certainly know that under the most recent revisions of QGIS
> Trunk, the plugin Value Tool doesn't work under GRASS rasters.
The attached patch adds support for GRASS rasters to the valuetool.
Jürgen
--
Jürgen E. Fischer norBIT GmbH Tel. +49-4931-918175-20
Dipl.-Inf. (FH) Rheinstraße 13 Fax. +49-4931-918175-50
Software Engineer D-26506 Norden http://www.norbit.de
--
norBIT Gesellschaft fuer Unternehmensberatung und Informationssysteme mbH
Rheinstrasse 13, 26506 Norden
GF: Jelto Buurman, HR: Amtsgericht Emden, HRB 5502
--- valuewidget.py.orig 2010-06-12 20:33:44.000000000 +0200
+++ valuewidget.py 2010-06-12 20:36:33.000000000 +0200
@@ -102,10 +102,14 @@
rasterlayers=[]
for i in range(self.canvas.layerCount()):
layer = self.canvas.layer(i)
- if (layer!=None and layer.type() == QgsMapLayer.RasterLayer and layer.providerKey()!="wms" and layer.providerKey()!="grassraster"):
- #### il faut gerer les wms differemment...
- #### and alayer.providerKey()=="wms"):
- ###identifyRasterWmsLayer( QgsPoint( e->x(), e->y() ) );
+ if (layer!=None and layer.type()==QgsMapLayer.RasterLayer):
+ if layer.providerKey()=="wms":
+ continue
+
+ if layer.providerKey()=="grassraster":
+ nrow+=1
+ rasterlayers.append(layer)
+ else:
nrow+=layer.bandCount()
rasterlayers.append(layer)
@@ -119,11 +123,27 @@
for layer in rasterlayers:
isok,ident = layer.identify(mapPos)
- if (not(isok)):
+ if not isok:
continue
+
layername=unicode(layer.name())
- iband=1
- for j in ident: # loop over the bands
+
+ if layer.providerKey()=="grassraster":
+ if not ident.has_key(QString("value")):
+ continue
+ cstr = ident[QString("value")]
+ if cstr.isNull():
+ continue
+ value = cstr.toDouble()
+ if not value[1]:
+ continue
+ iband=1
+ self.ymin = min(self.ymin,value[0])
+ self.ymax = max(self.ymax,value[0])
+ self.values.append((layername,cstr))
+ else:
+ iband=1
+ for j in ident: # loop over the bands
layernamewithband=layername
if len(ident)>1:
layernamewithband+=' '+j
_______________________________________________
Qgis-user mailing list
Qgis-user@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/qgis-user
