Python QgsApplication.setPrefixPath方法代码示例

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
    def init(self, logo, title):
        from qgis.core import QgsApplication
        from PyQt4.QtGui import QApplication, QFont, QIcon
        from PyQt4.QtCore import QLocale, QTranslator
        try:
            import PyQt4.QtSql
        except ImportError:
            pass

        self.app = QgsApplication(self.sysargv, True)
        import roam.roam_style
        self.app.setStyleSheet(roam.roam_style.appstyle)
        QgsApplication.setPrefixPath(self.prefixpath, True)
        QgsApplication.initQgis()

        locale = QLocale.system().name()
        self.translationFile = os.path.join(self.i18npath, '{0}.qm'.format(locale))
        translator = QTranslator()
        translator.load(self.translationFile, "i18n")
        self.app.installTranslator(translator)

        QApplication.setStyle("Plastique")
        QApplication.setFont(QFont('Segoe UI'))
        QApplication.setWindowIcon(QIcon(logo))
        QApplication.setApplicationName(title)

        import roam.editorwidgets.core
        roam.editorwidgets.core.registerallwidgets()
        return self

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def main(argv):

    # create Qt application
    app = QtGui.QApplication(argv, True)

    # Set the app style
    mySplashPix = QtGui.QPixmap(QtCore.QString(DATA_DIR + '/OCEAN.png'))
    mySplashPixScaled = mySplashPix.scaled(500, 300, Qt.Qt.KeepAspectRatio)
    mySplash = QtGui.QSplashScreen(mySplashPixScaled)
    mySplash.show()

    # initialize qgis libraries
    QgsApplication.setPrefixPath(QGIS_PREFIX, True)
    QgsApplication.initQgis()

    # create main window
    wnd = MainWindow(mySplash)
    wnd.show()

    # Create signal for app finish
    app.connect(
        app, QtCore.SIGNAL('lastWindowClosed()'), app, QtCore.SLOT('quit()'))

    # Start the app up
    retval = app.exec_()

    # We got an exit signal so time to clean up
    QgsApplication.exitQgis()

    sys.exit(retval)

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def set_up_interface():
    """
    Sets up a QGIS pseudo-application which enables calling methods as if when calling them from QGIS-console.

    :return qgis_app: Pseudo QGIS-instance
    :rtype: QgsApplication
    :return canvas: The map canvas
    :rtype: QgsMapCanvas
    :return iface: A dummy interface, giving access to needed method-calls
    :rtype: QgisInterface
    """
    gui_flag = True  # All test will run qgis in gui mode
    qgis_app = QgsApplication(sys.argv, gui_flag)
    prefix_path = config.qgis_prefix_path()
    qgis_app.setPrefixPath(prefix_path, True)
    qgis_app.initQgis()
    QCoreApplication.setOrganizationName('QGIS')
    QCoreApplication.setApplicationName('QGIS2')

    # parent = QWidget()
    # canvas = QgsMapCanvas(parent)
    # canvas.resize(QSize(400, 400))
    canvas = MyMapCanvas()

    iface = QgisInterface(canvas)

    return qgis_app, canvas, iface

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
    def testImportCSVFile(self):
        QgsApplication.setPrefixPath("/usr/share/qgis", True)
        qgs = QgsApplication([], False)
        # load providers
        qgs.initQgis()

        # shapefile
        aroundtheblockPath = os.path.join(os.path.abspath("../../sampledata/aroundtheblock/"), "aroundtheblock.csv")
        logger = mockLogger()
        messageBar = MockMessageBar(logger)
        messageBox = MockMessageBox
        layer = loadCSVLayer(
            dateFormat='mm/dd/yyyy',
            gpsPath=aroundtheblockPath,
            logger=logger,
            mainWindow=None,
            messageBar=messageBar,
            messageBox=messageBox
        )

        self.assertIsNotNone(layer)
        self.assertIsInstance(layer, QgsVectorLayer)
        self.assertTrue(layer.isValid())

        featuresCount = sum(1 for _ in layer.getFeatures())
        self.assertEqual(featuresCount, 587)

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def init_qgis(verbose=False):
    """ Initialize qgis application
    """
    from qgis.core import Qgis, QgsApplication
    global qgis_application 

    qgisPrefixPath = os.environ.get('QGIS_PREFIX_PATH','/usr/')
    sys.path.append(os.path.join(qgisPrefixPath, "share/qgis/python/plugins/"))

    # Set offscreen mode when no display 
    # This will prevent Qt tryning to connect to display
    if os.environ.get('DISPLAY') is None:
        os.environ['QT_QPA_PLATFORM'] = 'offscreen'

    qgis_application = QgsApplication([], False )
    qgis_application.setPrefixPath(qgisPrefixPath, True)
    qgis_application.initQgis()

    os.environ['QGIS_PREFIX_PATH'] = qgisPrefixPath

    # Auto cleanup
    @atexit.register
    def extQgis():
        global qgis_application
        if qgis_application:
            qgis_application.exitQgis()
            del qgis_application

    if verbose:
         print(qgis_application.showSettings(),file=sys.stderr)
    
    # Install logging hook
    install_message_hook( verbose )

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def globalQgis():
    """Singleton implementation for a global QGIS app instance.

    Args:
        None
    Returns:
        A QGIS Application instance
    Raises:
        None
    """

    global QGISAPP

    if QGISAPP is None:
        myGuiFlag = True  # All test will run qgis in gui mode
        QGISAPP = QgsApplication(sys.argv, myGuiFlag)
        if 'QGISPATH' in os.environ:
            myPath = os.environ['QGISPATH']
            myUseDefaultPathFlag = True
            QGISAPP.setPrefixPath(myPath, myUseDefaultPathFlag)

        QGISAPP.initQgis()
        s = QGISAPP.showSettings()
        print s
    return QGISAPP

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
 def setUpClass(cls):
     # to see how to setup a qgis app in pyqgis
     # https://hub.qgis.org/issues/13494#note-19
     os.environ["QGIS_DEBUG"] = str(-1)
     QCoreApplication.setOrganizationName('QGIS')
     QCoreApplication.setApplicationName('QGIS2')
     QgsApplication.setPrefixPath(os.getenv("QGIS_PREFIX_PATH"), True)
     QgsApplication.setAuthDbDirPath('/home/richard/.qgis2/')

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def getQgisTestApp():
    """ Start one QGis application to test agaist

    Input
        NIL

    Output
        handle to qgis app


    If QGis is already running the handle to that app will be returned
    """

    global QGISAPP  # pylint: disable=W0603

    if QGISAPP is None:
        myGuiFlag = True  # All test will run qgis in gui mode
        QGISAPP = QgsApplication(sys.argv, myGuiFlag)
        if 'QGIS_PREFIX_PATH' in os.environ:
            myPath = os.environ['QGIS_PREFIX_PATH']
            myUseDefaultPathFlag = True
            QGISAPP.setPrefixPath(myPath, myUseDefaultPathFlag)

        if sys.platform.startswith('darwin'):
            # override resource paths, otherwise looks for Resources in app
            if 'QGIS_MAC_PKGDATA_DIR' in os.environ:
                myPkgPath = os.environ['QGIS_MAC_PKGDATA_DIR']
                QGISAPP.setPkgDataPath(myPkgPath)
            if 'QGIS_MAC_SVG_DIR'  in os.environ:
                mySVGPath = os.environ['QGIS_MAC_SVG_DIR']
                mySVGPaths = QGISAPP.svgPaths()
                # doesn't get rid of incorrect path, just adds correct one
                mySVGPaths.prepend(mySVGPath)
                QGISAPP.setDefaultSvgPaths(mySVGPaths)

        QGISAPP.initQgis()
        s = QGISAPP.showSettings()
        print s

    global PARENT  # pylint: disable=W0603
    if PARENT is None:
        PARENT = QtGui.QWidget()

    global CANVAS  # pylint: disable=W0603
    if CANVAS is None:
        CANVAS = QgsMapCanvas(PARENT)
        CANVAS.resize(QtCore.QSize(400, 400))

    global IFACE  # pylint: disable=W0603
    if IFACE is None:
        # QgisInterface is a stub implementation of the QGIS plugin interface
        IFACE = QgisInterface(CANVAS)

    return QGISAPP, CANVAS, IFACE, PARENT

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
    def testExportToFileWithModel(self):
        QgsApplication.setPrefixPath("/usr/share/qgis", True)
        qgs = QgsApplication([], False)
        # load providers
        qgs.initQgis()

        # shapefile
        aroundtheblockPath = os.path.join(os.path.abspath("../../sampledata/"), "amsterdam-yymmdd.csv")
        logger = test_MMImport.mockLogger()
        messageBar = test_MMImport.MockMessageBar(logger)
        messageBox = test_MMImport.MockMessageBox
        layer = loadCSVLayer(
            dateFormat='yyyy/mm/dd',
            gpsPath=aroundtheblockPath,
            logger=logger,
            mainWindow=None,
            messageBar=messageBar,
            messageBox=messageBox
        )
        self.assertTrue(layer.isValid())

        # reset the flag
        messageBar.gotSuccess = False

        fields = test_MMImport.field_indices(layer)
        # if model data should be included
        modelTemplate = {'link': None, 'longitude': None, 'latitude': None, 'altitude' : None, 'scale': None}
        layer.startEditing()
        layer.beginEditCommand("Rendering Editing")
        for feature in layer.getFeatures():
            attributes = feature.attributes()
            model = modelTemplate
            model['link'] = 'files/red_sphereC.dae'
            model['longitude'] = attributes[fields['x']]
            model['latitude'] = attributes[fields['y']]
            model['scale'] = 1
            model['altitude'] = attributes[fields['altitude']]
            layer.changeAttributeValue(feature.id(), fields['model'], str(model))
        layer.endEditCommand()

        loggerPath = ""
        exportToFile(
            activeLayer=layer,
            audioHREF="",
            audioOffset=0,
            exportPath="amsterdam-yymmdd-model.kml",
            fields=fields,
            lastDirectory=".",
            logger=logger,
            loggerPath=loggerPath,
            messageBar=messageBar
        )

        self.assertTrue(messageBar.gotSuccess)

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def init():
  a = QgsApplication(sys.argv, True)
  a.setApplicationName("Teste PyCharm")
  QgsApplication.setPrefixPath("C:\\PROGRA~2\\QGISWI~1\\apps\\qgis", True)
  print QgsApplication.showSettings()


  QgsApplication.initQgis()
#  providers = QgsProviderRegistry.instance().providerList()
#  for provider in providers:
#    print provider
  return a

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def main():
    QgsApplication.setPrefixPath('/usr/local', True)
    QgsApplication.initQgis()
    layer = QgsVectorLayer("/home/cfarmer/Downloads/qgis_sample_data/vmap0_shapefiles/majrivers.shp", "majrivers", "ogr")
    provider = layer.dataProvider()
    if not robjects.r.require('sp')[0]:
        raise Exception("Error: missing 'sp' package: classes and methods for spatial data")
    if not robjects.r.require('rgdal')[0]:
        raise Exception("Error: missing 'rgdal' package: classes and methods for spatial data")
    output = qOGRVectorDataFrame(layer, True)
    robjects.r.plot(robjects.r.get("majrivers"))
    s = raw_input('Waiting for input... (Return)')

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def main(argv):

    # load plugins
    if os.path.exists(PLUGIN_FILE):
        imp.load_source('hmtk.plugin', PLUGIN_FILE)

    # create Qt application

    # Claim to be QGIS2 so that used plugins that tries to access
    # QSettings will get the QGIS2 settings
    QtGui.QApplication.setApplicationName('QGIS2')
    QtGui.QApplication.setOrganizationDomain('qgis.org')

    if QtCore.QSettings().value('locale/userLocale') is None:
        QtGui.QApplication.setOrganizationDomain('QGIS')

    app = QtGui.QApplication(argv, True)

    # setup QGIS
    QgsApplication.setPrefixPath(os.environ['QGIS_PREFIX_PATH'], True)
    QgsApplication.initQgis()

    # Install a custom exception hook that prints exception into a
    # MessageBox
    sys.excepthook = excepthook

    # create main window
    wnd = MainWindow()  # classname
    wnd.show()

    if sys.platform == "darwin":
        wnd.raise_()

    if len(argv) > 1:
        wnd.change_model(CatalogueModel.from_csv_file(argv[1]))

        if len(argv) > 2:
            wnd.load_fault_source(argv[2])
    else:
        wnd.load_catalogue()

    # Connect signal for app finish
    def on_quit():
        QgsApplication.exitQgis()
        app.quit()

    app.lastWindowClosed.connect(on_quit)

    # Start the app up
    ret = app.exec_()

    sys.exit(ret)

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def main():
    app = QtGui.QApplication(sys.argv, True)
    # supply path to where is your qgis installed
    QgsApplication.setPrefixPath("/usr", True)
    # load providers
    QgsApplication.initQgis()
    # print QgsApplication.showSettings()
    mw = MainWindow()
    try:
        mw.create_layer(DATA)
        mw.show()
        app.exec_()
    finally:
        QgsApplication.exitQgis()

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
    def init(self):
        self.app = QgsApplication(self.sysargv, True)
        QgsApplication.setPrefixPath(self.prefixpath, True)
        QgsApplication.initQgis()

        locale = QLocale.system().name()
        self.translationFile = os.path.join(self.i18npath, '{0}.qm'.format(locale))
        translator = QTranslator()
        translator.load(self.translationFile, "i18n")
        self.app.installTranslator(translator)

        QApplication.setStyle("Plastique")
        QApplication.setFont(QFont('Segoe UI'))
        return self

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setPrefixPath [as 别名]
def get_qgis_app():
    """ Start one QGis application to test against

    Input
        NIL

    Output
        handle to qgis app


    If QGis is already running the handle to that app will be returned
    """

    global QGIS_APP  # pylint: disable=W0603

    if QGIS_APP is None:
        gui_flag = True  # All test will run qgis in safe_qgis mode
        # noinspection PyPep8Naming
        QGIS_APP = QgsApplication(sys.argv, gui_flag)

        # Note: This block is not needed for  QGIS > 1.8 which will
        # automatically check the QGIS_PREFIX_PATH var so it is here
        # for backwards compatibility only
        if "QGIS_PREFIX_PATH" in os.environ:
            path = os.environ["QGIS_PREFIX_PATH"]
            use_default_path_flag = True
            QGIS_APP.setPrefixPath(path, use_default_path_flag)

        QGIS_APP.initQgis()
        s = QGIS_APP.showSettings()
        LOGGER.debug(s)

    global PARENT  # pylint: disable=W0603
    if PARENT is None:
        # noinspection PyPep8Naming
        PARENT = QtGui.QWidget()

    global CANVAS  # pylint: disable=W0603
    if CANVAS is None:
        # noinspection PyPep8Naming
        CANVAS = QgsMapCanvas(PARENT)
        CANVAS.resize(QtCore.QSize(400, 400))

    global IFACE  # pylint: disable=W0603
    if IFACE is None:
        # QgisInterface is a stub implementation of the QGIS plugin interface
        # noinspection PyPep8Naming
        IFACE = QgisInterface(CANVAS)

    return QGIS_APP, CANVAS, IFACE, PARENT