本文整理汇总了Python中qgis.gui.QgsMapCanvas.scale方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMapCanvas.scale方法的具体用法？Python QgsMapCanvas.scale怎么用？Python QgsMapCanvas.scale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.scale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: AuxiliaryWindow
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import scale [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.........