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allow create grid without specifying base layer (fix #6109)

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This commit is contained in:
Alexander Bruy 2012-07-29 11:27:11 +03:00
parent 540df9cb0d
commit ad9cb9d194
1 changed files with 11 additions and 4 deletions
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15
python/plugins/fTools/tools/doVectorGrid.py
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@ -139,8 +139,10 @@ class Dialog(QDialog, Ui_Dialog):
QMessageBox.information(self, self.tr("Vector grid"), self.tr("Invalid extent coordinates entered"))
xSpace = self.spnX.value()
ySpace = self.spnY.value()
if self.rdoPolygons.isChecked(): polygon = True
else: polygon = False
if self.rdoPolygons.isChecked():
polygon = True
else:
polygon = False
self.outShape.clear()
QApplication.setOverrideCursor(Qt.WaitCursor)
self.compute( boundBox, xSpace, ySpace, polygon )
@ -153,7 +155,13 @@ class Dialog(QDialog, Ui_Dialog):
self.buttonOk.setEnabled( True )
def compute( self, bound, xOffset, yOffset, polygon ):
crs = ftools_utils.getMapLayerByName(unicode(self.inShape.currentText())).crs()
crs = None
layer = ftools_utils.getMapLayerByName(unicode(self.inShape.currentText()))
if layer is None:
crs = self.iface.mapCanvas().mapRenderer().destinationCrs()
else:
crs = layer.crs()
if not crs.isValid(): crs = None
if polygon:
fields = {0:QgsField("ID", QVariant.Int), 1:QgsField("XMIN", QVariant.Double), 2:QgsField("XMAX", QVariant.Double),
@ -173,7 +181,6 @@ class Dialog(QDialog, Ui_Dialog):
outFeat = QgsFeature()
outGeom = QgsGeometry()
idVar = 0
# self.progressBar.setRange( 0, 0 )
self.progressBar.setValue( 0 )
if not polygon:
# counters for progressbar - update every 5%