本文整理汇总了Python中qgis.gui.QgsMapCanvas.setWheelAction方法的典型用法代码示例。如果您正苦于以下问题:Python QgsMapCanvas.setWheelAction方法的具体用法?Python QgsMapCanvas.setWheelAction怎么用?Python QgsMapCanvas.setWheelAction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.QgsMapCanvas
的用法示例。
在下文中一共展示了QgsMapCanvas.setWheelAction方法的5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: MirrorMap
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import setWheelAction [as 别名]
class MirrorMap(QWidget):
def __init__(self, parent, iface):
QWidget.__init__(self, parent)
self.setAttribute(Qt.WA_DeleteOnClose)
self.iface = iface
self.layerId2canvasLayer = {}
self.canvasLayers = []
self.setupUi()
def closeEvent(self, event):
# self.scaleFactor.valueChanged.disconnect(self.onExtentsChanged)
QObject.disconnect(self.iface.mapCanvas(), SIGNAL("extentsChanged()"), self.onExtentsChanged)
QObject.disconnect(self.iface.mapCanvas().mapRenderer(), SIGNAL("destinationCrsChanged()"), self.onCrsChanged)
QObject.disconnect(self.iface.mapCanvas().mapRenderer(), SIGNAL("mapUnitsChanged()"), self.onCrsChanged)
QObject.disconnect(self.iface.mapCanvas().mapRenderer(), SIGNAL("hasCrsTransformEnabled(bool)"), self.onCrsTransformEnabled)
QObject.disconnect(QgsMapLayerRegistry.instance(), SIGNAL("layerWillBeRemoved(QString)"), self.delLayer)
QObject.disconnect(self.iface, SIGNAL("currentLayerChanged(QgsMapLayer *)"), self.refreshLayerButtons)
self.emit(SIGNAL("closed(PyQt_PyObject)"), self)
return QWidget.closeEvent(self, event)
def setupUi(self):
self.setObjectName("dockablemirrormap_mirrormap")
gridLayout = QGridLayout(self)
gridLayout.setContentsMargins(0, 0, gridLayout.verticalSpacing(), gridLayout.verticalSpacing())
self.canvas = QgsMapCanvas(self)
self.canvas.setCanvasColor(QColor(255, 255, 255))
settings = QSettings()
self.canvas.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type=bool))
self.canvas.useImageToRender(settings.value("/qgis/use_qimage_to_render", False, type=bool))
self.canvas.setWheelAction(3)
gridLayout.addWidget(self.canvas, 0, 0, 1, 5)
QObject.connect(self.iface.mapCanvas(), SIGNAL("extentsChanged()"), self.onExtentsChanged)
QObject.connect(self.iface.mapCanvas().mapRenderer(), SIGNAL("destinationCrsChanged()"), self.onCrsChanged)
QObject.connect(self.iface.mapCanvas().mapRenderer(), SIGNAL("mapUnitsChanged()"), self.onCrsChanged)
QObject.connect(self.iface.mapCanvas().mapRenderer(), SIGNAL("hasCrsTransformEnabled(bool)"), self.onCrsTransformEnabled)
QObject.connect(QgsMapLayerRegistry.instance(), SIGNAL("layerWillBeRemoved(QString)"), self.delLayer)
self.onExtentsChanged()
self.onCrsChanged()
self.onCrsTransformEnabled(self.iface.mapCanvas().hasCrsTransformEnabled())
def toggleRender(self, enabled):
self.canvas.setRenderFlag(enabled)
self.canvas.refresh()
self.canvas.repaint()
def onExtentsChanged(self):
try :
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
self.canvas.setExtent(self.iface.mapCanvas().extent())
# self.canvas.zoomByFactor( self.scaleFactor.value() )
self.canvas.setRenderFlag(prevFlag)
self.canvas.repaint()
self.canvas.refresh()
except Exception:
pass
def mirror_extent_changed(self):
logger.debug(self.canvas.extent())
logger.debug(self.iface.mapCanvas().extent())
if self.canvas.extent() != self.iface.mapCanvas().extent():
self.emit(SIGNAL("extentChanged( QgsRectangle )"), self.canvas.extent())
def onCrsChanged(self):
try:
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
renderer = self.iface.mapCanvas().mapRenderer()
self._setRendererCrs(self.canvas.mapRenderer(), self._rendererCrs(renderer))
self.canvas.mapRenderer().setMapUnits(renderer.mapUnits())
self.canvas.setRenderFlag(prevFlag)
self.canvas.repaint()
self.canvas.refresh()
except Exception:
pass
def onCrsTransformEnabled(self, enabled):
try:
prevFlag = self.canvas.renderFlag()
self.canvas.setRenderFlag(False)
self.canvas.mapRenderer().setProjectionsEnabled(enabled)
self.canvas.setRenderFlag(prevFlag)
self.canvas.repaint()
self.canvas.refresh()
except Exception:
#.........这里部分代码省略.........
示例2: ConflictDialog
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import setWheelAction [as 别名]
class ConflictDialog(WIDGET, BASE):
LOCAL, REMOTE, DELETE = 1,2, 3
def __init__(self, conflicts):
super(ConflictDialog, self).__init__(None, Qt.WindowSystemMenuHint | Qt.WindowTitleHint)
self.solved = False
self.resolvedConflicts = {}
self.conflicts = conflicts
self.setupUi(self)
self.setWindowFlags(self.windowFlags() |
Qt.WindowSystemMenuHint |
Qt.WindowMinMaxButtonsHint)
self.zoomButton.clicked.connect(self.zoomToFullExtent)
self.solveButton.clicked.connect(self.solve)
self.conflictsTree.itemClicked.connect(self.treeItemClicked)
self.attributesTable.cellClicked.connect(self.cellClicked)
self.solveAllLocalButton.clicked.connect(self.solveAllLocal)
self.solveAllRemoteButton.clicked.connect(self.solveAllRemote)
self.solveLocalButton.clicked.connect(self.solveLocal)
self.solveRemoteButton.clicked.connect(self.solveRemote)
self.showRemoteCheck.stateChanged.connect(self.showGeoms)
self.showLocalCheck.stateChanged.connect(self.showGeoms)
self.lastSelectedItem = None
self.currentPath = None
self.currentConflict = None
self.theirsLayer = None
self.oursLayer = None
settings = QSettings()
horizontalLayout = QHBoxLayout()
horizontalLayout.setSpacing(0)
horizontalLayout.setMargin(0)
self.mapCanvas = QgsMapCanvas()
self.mapCanvas.setCanvasColor(Qt.white)
self.mapCanvas.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type = bool))
self.mapCanvas.useImageToRender(settings.value("/qgis/use_qimage_to_render", False, type = bool))
self.mapCanvas.mapRenderer().setProjectionsEnabled(True)
action = settings.value("/qgis/wheel_action", 0, type = float)
zoomFactor = settings.value("/qgis/zoom_factor", 2, type = float)
self.mapCanvas.setWheelAction(QgsMapCanvas.WheelAction(action), zoomFactor)
horizontalLayout.addWidget(self.mapCanvas)
self.canvasWidget.setLayout(horizontalLayout)
self.panTool = QgsMapToolPan(self.mapCanvas)
self.mapCanvas.setMapTool(self.panTool)
self.solveButton.setEnabled(False)
self.solveLocalButton.setEnabled(False)
self.solveRemoteButton.setEnabled(False)
self.fillConflictsTree()
def fillConflictsTree(self):
topTreeItems = {}
for c in self.conflicts:
path = os.path.dirname(c.path)
if path in topTreeItems:
topItem = topTreeItems[path]
else:
topItem = QTreeWidgetItem()
topItem.setText(0, path)
topItem.setIcon(0, layerIcon)
topTreeItems[path] = topItem
conflictItem = ConflictItem(c)
topItem.addChild(conflictItem)
for item in list(topTreeItems.values()):
self.conflictsTree.addTopLevelItem(item)
def cellClicked(self, row, col):
if col > 2:
return
value = self.attributesTable.item(row, col).value
geoms = (self.oursgeom, self.theirsgeom)
self.attributesTable.setItem(row, 4, ValueItem(value, False, geoms));
self.attributesTable.item(row, 0).setBackgroundColor(Qt.white);
self.attributesTable.item(row, 1).setBackgroundColor(Qt.white);
self.attributesTable.item(row, 2).setBackgroundColor(Qt.white);
attrib = self.attributesTable.item(row, 3).text()
if attrib in self.conflicted:
self.conflicted.remove(attrib)
self.updateSolveButton()
self.showGeoms()
def treeItemClicked(self):
item = self.conflictsTree.selectedItems()[0]
if self.lastSelectedItem == item:
return
if isinstance(item, ConflictItem):
self.lastSelectedItem = item
self.currentPath = item.conflict.path
self.updateCurrentPath()
self.solveLocalButton.setEnabled(True)
self.solveRemoteButton.setEnabled(True)
self.solveButton.setEnabled(False)
#.........这里部分代码省略.........
示例3: AuxiliaryWindow
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import setWheelAction [as 别名]
class AuxiliaryWindow(QMainWindow):
closed = pyqtSignal( int )
def __init__(self, parent, geometryWin, numWin):
def populateStatusBar():
statusBar = self.statusBar()
w = QCheckBox( "Render", self )
w.setObjectName( 'renderCheck')
w.setToolTip( "Toggle map rendering" )
w.setChecked( True )
statusBar.addPermanentWidget( w )
w = QCheckBox( "Marker", self )
w.setObjectName( 'markerCheck')
w.setToolTip( "Toggle marker with cursor position from main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QCheckBox( "Extent", self )
w.setObjectName( 'extentCheck')
w.setToolTip( "Show extent of main map" )
w.setChecked( False )
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'highlightBtn')
w.setToolTip( "Highlight extent in main map" )
w.setText("Highlight")
statusBar.addPermanentWidget( w, 1 )
w = QLabel( "Scale factor:", self )
w.setObjectName( 'scaleFactorLabel')
w.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
statusBar.addPermanentWidget( w, 1 )
w = QDoubleSpinBox(self)
w.setObjectName( 'scaleFactorSpin')
w.setToolTip( "Current scale factor of main map" )
w.setMinimum(0.0)
w.setMaximum(1000.0)
w.setDecimals(3)
w.setValue(1)
w.setSingleStep(.05)
statusBar.addPermanentWidget( w, 1 )
w = QToolButton(self)
w.setObjectName( 'scaleBtn')
w.setToolTip( "Set scale for main map" )
w.setText("Scale: ")
statusBar.addPermanentWidget( w, 1 )
def setupUi():
self.setObjectName( "AuxiliaryWindow" )
self.setGeometry( geometryWin )
self.addDockWidget ( Qt.LeftDockWidgetArea, self.dockLegend )
self.actLegend = self.menuBar().addAction("")
self.actLegend.triggered.connect( self.onActionLegend )
self.canvas.setMapTool( self.toolPan )
self.canvas.setCanvasColor( QColor(255,255,255) )
self.canvas.enableAntiAliasing( False )
self.canvas.useImageToRender( False )
self.canvas.setWheelAction( QgsMapCanvas.WheelZoom )
self.setCentralWidget( centralWidget )
self.messageBar.setSizePolicy( QSizePolicy.Minimum, QSizePolicy.Fixed )
layout = QGridLayout()
layout.setContentsMargins( 0, 0, 0, 0 )
layout.addWidget( self.canvas, 0, 0, 2, 1 )
layout.addWidget( self.messageBar, 0, 0, 1, 1 )
centralWidget.setLayout( layout )
super( AuxiliaryWindow, self ).__init__( parent )
centralWidget = QWidget( self )
self.canvas = QgsMapCanvas( centralWidget )
self.messageBar = QgsMessageBar( centralWidget )
self.toolPan = QgsMapToolPan( self.canvas )
self.qgisCanvas = qgis.utils.iface.mapCanvas()
self.qgisTView = qgis.utils.iface.layerTreeView()
self.qgisSyncGroup = None
self.numWin = numWin
self.ltg = QgsLayerTreeGroup('', Qt.Unchecked)
self.dockLegend = AuxiliaryLegend( self, numWin )
self.root = QgsProject.instance().layerTreeRoot()
self.extent = self.actLegend = None
self.marker = MarkerWindow( self.canvas )
setupUi()
populateStatusBar()
self.onCurrentLayerChanged( None )
self.onDestinationCrsChanged_MapUnitsChanged()
self.onHasCrsTransformEnabledChanged( self.qgisCanvas.hasCrsTransformEnabled() )
def _connect(self, isConnect = True):
#.........这里部分代码省略.........
示例4: GeometryDiffViewerDialog
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import setWheelAction [as 别名]
class GeometryDiffViewerDialog(QDialog):
def __init__(self, geoms, crs, parent = None):
super(GeometryDiffViewerDialog, self).__init__(parent)
self.geoms = geoms
self.crs = crs
self.initGui()
def initGui(self):
layout = QVBoxLayout()
self.tab = QTabWidget()
self.table = QTableView()
self.setLayout(layout)
self.canvas = QgsMapCanvas()
self.canvas.setCanvasColor(Qt.white)
settings = QSettings()
self.canvas.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type = bool))
self.canvas.useImageToRender(settings.value("/qgis/use_qimage_to_render", False, type = bool))
self.canvas.mapSettings().setDestinationCrs(self.crs)
action = settings.value("/qgis/wheel_action", 0, type = float)
zoomFactor = settings.value("/qgis/zoom_factor", 2, type = float)
self.canvas.setWheelAction(QgsMapCanvas.WheelAction(action), zoomFactor)
self.panTool = QgsMapToolPan(self.canvas)
self.canvas.setMapTool(self.panTool)
execute(self.createLayers)
model = GeomDiffTableModel(self.data)
self.table.setModel(model)
self.table.resizeColumnsToContents()
self.table.resizeRowsToContents()
self.tab.addTab(self.canvas, "Map view")
self.tab.addTab(self.table, "Table view")
layout.addWidget(self.tab)
self.resize(600, 500)
self.setWindowTitle("Geometry comparison")
def createLayers(self):
textGeometries = []
for geom in self.geoms:
text = geom.exportToWkt()
valid = " -1234567890.,"
text = "".join([c for c in text if c in valid])
textGeometries.append(text.split(","))
lines = difflib.Differ().compare(textGeometries[0], textGeometries[1])
self.data = []
for line in lines:
if line.startswith("+"):
self.data.append([None, line[2:]])
if line.startswith("-"):
self.data.append([line[2:], None])
if line.startswith(" "):
self.data.append([line[2:], line[2:]])
types = [("LineString", lineBeforeStyle, lineAfterStyle),
("Polygon", polygonBeforeStyle, polygonAfterStyle)]
layers = []
extent = self.geoms[0].boundingBox()
for i, geom in enumerate(self.geoms):
geomtype = types[int(geom.type() - 1)][0]
style = types[int(geom.type() - 1)][i + 1]
layer = loadLayerNoCrsDialog(geomtype + "?crs=" + self.crs.authid(), "layer", "memory")
pr = layer.dataProvider()
feat = QgsFeature()
feat.setGeometry(geom)
pr.addFeatures([feat])
layer.loadNamedStyle(style)
layer.updateExtents()
layers.append(layer)
QgsMapLayerRegistry.instance().addMapLayer(layer, False)
extent.combineExtentWith(geom.boundingBox())
layer = loadLayerNoCrsDialog("Point?crs=%s&field=changetype:string" % self.crs.authid(), "points", "memory")
pr = layer.dataProvider()
feats = []
for coords in self.data:
coord = coords[0] or coords[1]
feat = QgsFeature()
x, y = coord.strip().split(" ")
x, y = (float(x), float(y))
pt = QgsGeometry.fromPoint(QgsPoint(x, y))
feat.setGeometry(pt)
if coords[0] is None:
changetype = "A"
elif coords[1] is None:
changetype = "R"
else:
changetype = "U"
feat.setAttributes([changetype])
feats.append(feat)
pr.addFeatures(feats)
layer.loadNamedStyle(pointsStyle)
QgsMapLayerRegistry.instance().addMapLayer(layer, False)
layers.append(layer)
self.mapLayers = [QgsMapCanvasLayer(lay) for lay in layers]
self.canvas.setLayerSet(self.mapLayers)
#.........这里部分代码省略.........
示例5: VersionViewerDialog
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import setWheelAction [as 别名]
class VersionViewerDialog(BASE, WIDGET):
def __init__(self, repo, path):
super(VersionViewerDialog, self).__init__(config.iface.mainWindow(), Qt.WindowSystemMenuHint | Qt.WindowTitleHint)
self.repo = repo
self.path = path
self.setupUi(self)
self.listWidget.itemClicked.connect(self.commitClicked)
settings = QSettings()
horizontalLayout = QHBoxLayout()
horizontalLayout.setSpacing(0)
horizontalLayout.setMargin(0)
self.mapCanvas = QgsMapCanvas()
self.mapCanvas.setCanvasColor(Qt.white)
self.mapCanvas.enableAntiAliasing(settings.value("/qgis/enable_anti_aliasing", False, type = bool))
self.mapCanvas.useImageToRender(settings.value("/qgis/use_qimage_to_render", False, type = bool))
action = settings.value("/qgis/wheel_action", 0, type = float)
zoomFactor = settings.value("/qgis/zoom_factor", 2, type = float)
self.mapCanvas.setWheelAction(QgsMapCanvas.WheelAction(action), zoomFactor)
horizontalLayout.addWidget(self.mapCanvas)
self.mapWidget.setLayout(horizontalLayout)
self.panTool = QgsMapToolPan(self.mapCanvas)
self.mapCanvas.setMapTool(self.panTool)
versions = repo.log(path = path)
if versions:
for commit in versions:
item = CommitListItem(commit, repo, path)
self.listWidget.addItem(item)
''''w = CommitListItemWidget(commit)
self.ui.listWidget.setItemWidget(item, w)'''
else:
raise GeoGigException("The selected feature is not versioned yet")
def commitClicked(self):
feature = self.listWidget.currentItem().feature
geom = None
self.attributesTable.setRowCount(len(feature))
for idx, attrname in enumerate(feature):
value = feature[attrname]
font = QFont()
font.setBold(True)
font.setWeight(75)
item = QTableWidgetItem(attrname)
item.setFont(font)
self.attributesTable.setItem(idx, 0, item);
self.attributesTable.setItem(idx, 1, QTableWidgetItem(str(value)));
if geom is None:
try:
geom = QgsGeometry.fromWkt(value)
except:
pass
self.attributesTable.resizeRowsToContents()
self.attributesTable.horizontalHeader().setMinimumSectionSize(150)
self.attributesTable.horizontalHeader().setStretchLastSection(True)
settings = QSettings()
prjSetting = settings.value('/Projections/defaultBehaviour')
settings.setValue('/Projections/defaultBehaviour', '')
types = ["Point", "LineString", "Polygon"]
layers = []
if geom is not None:
geomtype = types[int(geom.type())]
layer = loadLayerNoCrsDialog(geomtype + "?crs=EPSG:4326", "temp", "memory")
pr = layer.dataProvider()
feat = QgsFeature()
feat.setGeometry(geom)
pr.addFeatures([feat])
layer.updateExtents()
layer.selectAll()
layer.setExtent(layer.boundingBoxOfSelected())
layer.invertSelection()
symbol = QgsSymbolV2.defaultSymbol(layer.geometryType())
symbol.setColor(Qt.green)
symbol.setAlpha(0.5)
if QGis.QGIS_VERSION_INT < 29900:
layer.setRendererV2(QgsSingleSymbolRendererV2(symbol))
else:
layer.setRenderer(QgsSingleSymbolRenderer(symbol))
self.mapCanvas.setRenderFlag(False)
self.mapCanvas.setLayerSet([QgsMapCanvasLayer(layer)])
QgsMapLayerRegistry.instance().addMapLayer(layer, False)
self.mapCanvas.setExtent(layer.extent())
self.mapCanvas.setRenderFlag(True)
layers.append(layer)
else:
self.mapCanvas.setLayerSet([])
settings.setValue('/Projections/defaultBehaviour', prjSetting)