def run(self):
self.dlg = RadialBandDialog()
self.dlg.show()
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result == 1:
self.draw_circle_to_selected_coordinates()
pass
def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir, 'i18n', 'radialband_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.dlg = RadialBandDialog()
class RadialBand:
def __init__(self, iface):
# Save reference to the QGIS interface
self.iface = iface
# initialize plugin directory
self.plugin_dir = os.path.dirname(__file__)
# initialize locale
locale = QSettings().value("locale/userLocale")[0:2]
localePath = os.path.join(self.plugin_dir, 'i18n', 'radialband_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
self.dlg = RadialBandDialog()
def initGui(self):
# Create action that will start plugin configuration
self.action = QAction(
QIcon(":/plugins/radialband/icon.png"),
u"Radial Band Tool", self.iface.mainWindow())
# connect the action to the run method
self.action.triggered.connect(self.run)
# Add toolbar button and menu item
self.iface.addToolBarIcon(self.action)
#self.iface.addPluginToMenu(u"&RadialBandsTool", self.action)
self.iface.vectorMenu().addAction(self.action)
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu(u"&RadialBandsTool", self.action)
self.iface.vectorMenu().removeAction(self.action)
self.iface.removeToolBarIcon(self.action)
def draw_circle_to_selected_coordinates(self):
"""
Gets the coordinate of selected features and draws the circles for desired radius in qgis
"""
#set active layer as layer
layer = utils.iface.activeLayer()
selected_features = layer.selectedFeatures()
#for f in selected_features:
# print f.attributeMap()
#creating layer structure using selected layer fields.
fields = layer.pendingFields()
fields_in = "Polygon?"
field_counter = 1
for field in fields:
fields_in = fields_in + 'field=' + str(field.name()) + ':' + str(field.typeName()) + '&'
field_counter += field_counter
fields_in = fields_in + ('field=Band:Double')
#creates new memory layer for radial bands with selected layer attributes
vpoly = QgsVectorLayer(fields_in, "RadialBand", "memory")
feature = QgsFeature()
provider = vpoly.dataProvider()
vpoly.startEditing()
#filling radial band table with selected feature coordinates and desired radiuses
for f in selected_features:
geom = f.geometry()
attr_in = f.attributes()
x = float(geom.asPoint().x())
y = float(geom.asPoint().y())
item = 0
for item in range(0, len(Ui_RadialBand.list_bands)):
radius = Ui_RadialBand.list_bands[item]
attr = attr_in
#draw circle to the selected coordinates and radius one by one
feature.setGeometry(QgsGeometry.fromPoint(QgsPoint(x, y)).buffer(radius, 100))
attr.append(radius)
feature.setAttributes(attr)
provider.addFeatures([feature])
print radius, attr
del attr[-1]
item += item
#print attr
#print Ui_RadialBand.list_bands
# free lists for re-use
attr = []
Ui_RadialBand.list_bands = []
vpoly.commitChanges()
QgsMapLayerRegistry.instance().addMapLayer(vpoly)
symbols = vpoly.rendererV2().symbols()
symbol = symbols[0]
symbol.setColor(QColor(0, 0, 0, 0))
utils.iface.mapCanvas().refresh()
utils.iface.legendInterface().refreshLayerSymbology(vpoly)
# run method that performs all the real work
def run(self):
self.dlg = RadialBandDialog()
self.dlg.show()
# Run the dialog event loop
result = self.dlg.exec_()
# See if OK was pressed
if result == 1:
self.draw_circle_to_selected_coordinates()
pass
