本文整理汇总了Python中qgis.gui.QgsRubberBand.size方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRubberBand.size方法的具体用法？Python QgsRubberBand.size怎么用？Python QgsRubberBand.size使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类qgis.gui.QgsRubberBand的用法示例。
在下文中一共展示了QgsRubberBand.size方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: osmSearchDialog
# 需要导入模块: from qgis.gui import QgsRubberBand [as 别名]
# 或者: from qgis.gui.QgsRubberBand import size [as 别名]
#.........这里部分代码省略.........
self.transform = QgsCoordinateTransform(self.wgs84, self.proj)
self.bSearch.clicked.connect(self.startSearch)
self.eOutput.currentItemChanged.connect(self.itemChanged)
self.eOutput.clickedOutsideOfItems.connect(self.itemChanged)
self.eText.cleared.connect(self.clearEdit)
self.canvas.mapRenderer().destinationSrsChanged.connect(self.crsChanged)
self.iface.newProjectCreated.connect(self.clearEdit)
self.iface.projectRead.connect(self.clearEdit)
self.cbCenter.stateChanged.connect(self.autocenter)
db = cacheDB()
self.autocompleteList = db.getAutocompleteList()
db.closeConnection()
self.completer = QCompleter(self.autocompleteList)
self.completer.setCaseSensitivity(Qt.CaseInsensitive)
self.eText.setCompleter(self.completer)
def startSearch(self):
text = self.eText.text().encode('utf-8')
if text == "":
self.clearEdit()
#url = 'http://open.mapquestapi.com/nominatim/v1/search.php'
url = 'http://nominatim.openstreetmap.org/search'
params = urllib.urlencode({'q': text,'format': 'json','polygon_text':'1'})
response = json.load(urllib2.urlopen(url+'?'+params))
self.loadData(response)
def loadData(self, data):
self.rb.reset(QGis.Point)
self.eOutput.clear()
items = []
for d in data:
try:
geometry = d['geotext']
except KeyError:
geometry = 'POINT(%s %s)' % (d['lon'], d['lat'])
item = QTreeWidgetItem([d['display_name'], d['type']])
item.setData(0, Qt.UserRole, geometry)
if geometry.lower().startswith('point'):
item.setIcon(0, QgsApplication.getThemeIcon('/mIconPointLayer.svg'))
elif geometry.lower().startswith('linestring'):
item.setIcon(0, QgsApplication.getThemeIcon('/mIconLineLayer.svg'))
elif geometry.lower().startswith('polygon'):
item.setIcon(0, QgsApplication.getThemeIcon('/mIconPolygonLayer.svg'))
items.append(item)
if items:
self.eOutput.insertTopLevelItems(0, items)
self.addSearchTerm(unicode(self.eText.text().lower()))
else:
self.iface.messageBar().pushMessage('Nothing was found!', QgsMessageBar.CRITICAL, 2)
def itemChanged(self, current=None, previous=None):
if current:
wkt = str(current.data(0,Qt.UserRole))
geom = QgsGeometry.fromWkt(wkt)
if self.proj.srsid() != 4326:
try:
geom.transform(self.transform)
except:
self.iface.messageBar().pushMessage('CRS transformation error!', QgsMessageBar.CRITICAL, 2)
self.rb.reset(QGis.Point)
return
self.rb.setToGeometry(geom, None)
if self.cbCenter.isChecked():
self.moveCanvas(geom.centroid().asPoint(), self.canvas.extent())
else:
self.rb.reset(QGis.Point)
self.eOutput.setCurrentItem(None)
def crsChanged(self):
self.proj = self.canvas.mapRenderer().destinationCrs()
self.transform = QgsCoordinateTransform(self.wgs84, self.proj)
def clearEdit(self):
self.eOutput.clear()
self.eText.clear()
if hasattr(self, 'rb'):
self.rb.reset(QGis.Point)
def setCompleter(self):
self.completer.model().setStringList(self.autocompleteList)
def addSearchTerm(self, text):
if not text in self.autocompleteList:
self.autocompleteList.append(text)
self.setCompleter()
while len(self.autocompleteList) > self.searchCacheLimit:
self.autocompleteList.pop(0)
def autocenter(self, state):
if state and self.rb.size():
self.moveCanvas(self.rb.asGeometry().centroid().asPoint(), self.canvas.extent())
def moveCanvas(self, newCenter, oldExtent):
newExtent = QgsRectangle(oldExtent)
newExtent.scale(1, newCenter)
self.canvas.setExtent(newExtent)
self.canvas.refresh()