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