def _sectionLineGeometry(self, item):
if item and item.isValid():
sln = ItemFeature(item, 'sln')
request = sln.featureRequest()
features = layers.getAllFeaturesRequest(request, self.collection('plan').layer('lines'))
for feature in features:
return QgsGeometry(feature.geometry())
return QgsGeometry()
def _getFeature(self, layer, item, category=''):
req = None
if category:
sch = ItemFeature(item, 'sch')
req = sch.featureRequest()
else:
req = item.featureRequest()
try:
return layer.getFeatures(req).next()
except StopIteration:
return None
return None