本文整理汇总了Python中qgis.gui.QgsMapCanvas.getCoordinateTransform方法的典型用法代码示例。如果您正苦于以下问题：Python QgsMapCanvas.getCoordinateTransform方法的具体用法？Python QgsMapCanvas.getCoordinateTransform怎么用？Python QgsMapCanvas.getCoordinateTransform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.getCoordinateTransform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: frmMain
# 需要导入模块: from qgis.gui import QgsMapCanvas [as 别名]
# 或者: from qgis.gui.QgsMapCanvas import getCoordinateTransform [as 别名]
#.........这里部分代码省略.........
except Exception as e1:
msg = str(e1) + '\n' + str(traceback.print_exc())
print(msg)
QMessageBox.information(None, "Error Initializing Map", msg, QMessageBox.Ok)
except Exception as eImport:
self.canvas = None
print "QGIS libraries not found, Not creating map\n" + str(eImport)
# QMessageBox.information(None, "QGIS libraries not found", "Not creating map\n" + str(eImport), QMessageBox.Ok)
self.onLoad()
def setQgsMapTool(self):
self.map_widget.setZoomInMode()
self.map_widget.setZoomOutMode()
self.map_widget.setPanMode()
def map_pan(self):
self.map_widget.setPanMode()
def zoomfull(self):
self.map_widget.zoomfull()
def map_addfeature(self):
self.map_widget.setAddFeatureMode()
def onGeometryAdded(self):
print 'Geometry Added'
def mouseMoveEvent(self, event):
pass
x = event.x()
y = event.y()
if self.canvas:
p = self.canvas.getCoordinateTransform().toMapCoordinates(x, y)
self.btnCoord.setText('x,y: {:}, {:}'.format(p.x(), p.y()))
def eventFilter(self, source, event):
if event.type() == QtCore.QEvent.MouseMove:
if event.buttons() == QtCore.Qt.NoButton:
pos = event.pos()
x = pos.x()
y = pos.y()
if self.canvas:
p = self.map_widget.canvas.getCoordinateTransform().toMapCoordinates(x, y)
self.btnCoord.setText('x,y: %s, %s' % (p.x()), p.y())
else:
pass
def map_addvector(self):
print 'add vector'
from frmMapAddVector import frmMapAddVector
dlg = frmMapAddVector(self)
dlg.show()
result = dlg.exec_()
if result == 1:
specs = dlg.getLayerSpecifications()
filename = specs['filename']
if filename.lower().endswith('.shp'):
self.map_widget.addVectorLayer(filename)
def map_addraster(self):
filename = QtGui.QFileDialog.getOpenFileName(None, 'Specify Raster Dataset', '/')
if len(filename) > 0:
self.map_widget.addRasterLayer(filename)
def on_load(self, tree_top_item_list):