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', 'maxp_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Create the dialog (after translation) and keep reference
self.dlg = MaxPDialog()
class MaxP:
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', 'maxp_{}.qm'.format(locale))
if os.path.exists(localePath):
self.translator = QTranslator()
self.translator.load(localePath)
if qVersion() > '4.3.3':
QCoreApplication.installTranslator(self.translator)
# Create the dialog (after translation) and keep reference
self.dlg = MaxPDialog()
def initGui(self):
# Create action that will start plugin configuration
self.action = QAction(
QIcon(":/plugins/maxp/icon.png"),
u"Regionalizacion MAX-P", 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"&Regionalizacion MAX-P", self.action)
def unload(self):
# Remove the plugin menu item and icon
self.iface.removePluginMenu(u"&Regionalizacion MAX-P", self.action)
self.iface.removeToolBarIcon(self.action)
# run method that performs all the real work
def run(self):
capa = self.iface.activeLayer()
if not capa:
QMessageBox.information( self.iface.mainWindow(),"Error","No hay capa activa, por favor agrega una capa")
return
myfilepath= os.path.dirname( unicode( capa.dataProvider().dataSourceUri() ) )
archivoDBF = os.path.join(myfilepath,capa.name()+'.dbf')
archivoSHP = os.path.join(myfilepath,capa.name()+'.shp')
dbf=pysal.open(archivoDBF)
campos=dbf.header
#campos = capa.pendingFields()
listaCampos = self.dlg.listWidget
if listaCampos.count() == 0:
for c in campos:
item = QListWidgetItem(c)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Unchecked)
listaCampos.addItem(item)
self.dlg.show()
result = self.dlg.exec_()
# See if OK was pressed
if result == 1:
floor = self.dlg.textFloor.toPlainText()
try:
floor = int(floor)
except:
QMessageBox.information( self.iface.mainWindow(),"Error","La varible floor debe ser un entero")
return
seed = self.dlg.textSeed.toPlainText()
try:
seed = int(seed)
except:
QMessageBox.information( self.iface.mainWindow(),"Error","La varible seed debe ser un entero")
return
fDilg = QFileDialog(self.iface.mainWindow(),'Open File', '*.dbf')
#fDilg.setDirectory(myfilepath)
filename = fDilg.getSaveFileName(directory=myfilepath.encode('utf8'))
if self.dlg.queenButton.isChecked():
w = pysal.queen_from_shapefile(archivoSHP)
else:
w = pysal.rook_from_shapefile(archivoSHP)
selected=[]
for index in xrange( listaCampos.count()):
itm = listaCampos.item(index)
if itm.checkState()==2:
selected.append(itm.text())
pci=np.array([dbf.by_col[str(y)] for y in selected])
pci=pci.transpose()
w=pysal.queen_from_shapefile(archivoSHP)
size = w.n
r=pysal.Maxp(w,pci,floor=floor,floor_variable=np.ones((size,1)),initial=seed)
outputFName = filename
dbfW=pysal.open(os.path.join(myfilepath,outputFName),'w','dbf')
dbfW.header=['id','region']
dbfW.field_spec=[('N',9,0),('N',9,0)]
for i,region in enumerate(r.regions):
for id in region:
dbfW.write((id,i))
dbfW.close()
listaCampos = None
selected = None