本文整理汇总了Python中qgis.gui.QgsMapCanvas方法的典型用法代码示例。如果您正苦于以下问题：Python gui.QgsMapCanvas方法的具体用法？Python gui.QgsMapCanvas怎么用？Python gui.QgsMapCanvas使用的例子？那么, 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的用法示例。
在下文中一共展示了gui.QgsMapCanvas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: qgis_app
# 需要导入模块: from qgis import gui [as 别名]
# 或者: from qgis.gui import QgsMapCanvas [as 别名]
def qgis_app():
"""
Start QGIS application to test against. Based on code from Inasafe plugin.
:return: Reference to QGIS application, canvas and parent widget.
:rtype:(QgsApplication, QWidget, QgsMapCanvas)
"""
global QGIS_APP
if QGIS_APP is None:
gui_flag = True
QCoreApplication.setOrganizationName('QGIS')
QCoreApplication.setOrganizationDomain('qgis.org')
QCoreApplication.setApplicationName('STDM_Testing')
QGIS_APP = QgsApplication(sys.argv, gui_flag)
QGIS_APP.initQgis()
global PARENT
if PARENT is None:
PARENT = QWidget()
global CANVAS
if CANVAS is None:
CANVAS = QgsMapCanvas(PARENT)
CANVAS.resize(QSize(400, 400))
return QGIS_APP, CANVAS, PARENT 示例2: get_qgis_app
# 需要导入模块: from qgis import gui [as 别名]
# 或者: from qgis.gui import QgsMapCanvas [as 别名]
def get_qgis_app():
""" Start one QGIS application to test against.
:returns: Handle to QGIS app, canvas, iface and parent. If there are any
errors the tuple members will be returned as None.
:rtype: (QgsApplication, CANVAS, IFACE, PARENT)
If QGIS is already running the handle to that app will be returned.
"""
try:
from PyQt5 import QtGui, QtCore
from qgis.core import QgsApplication
from qgis.gui import QgsMapCanvas
from .qgis_interface import QgisInterface
except ImportError:
return None, None, None, None
global QGIS_APP # pylint: disable=W0603
if QGIS_APP is None:
gui_flag = True # All test will run qgis in gui mode
#noinspection PyPep8Naming
QGIS_APP = QgsApplication(sys.argv, gui_flag)
# Make sure QGIS_PREFIX_PATH is set in your env if needed!
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 示例3: get_qgis_app
# 需要导入模块: from qgis import gui [as 别名]
# 或者: from qgis.gui import QgsMapCanvas [as 别名]
def get_qgis_app():
""" Start one QGIS application to test against.
:returns: Handle to QGIS app, canvas, iface and parent. If there are any
errors the tuple members will be returned as None.
:rtype: (QgsApplication, CANVAS, IFACE, PARENT)
If QGIS is already running the handle to that app will be returned.
"""
try:
from PyQt5 import QtGui, QtCore
from qgis.core import QgsApplication
from qgis.gui import QgsMapCanvas
from .qgis_interface import QgisInterface
except ImportError:
return None, None, None, None
global QGIS_APP # pylint: disable=W0603
if QGIS_APP is None:
gui_flag = True # All test will run qgis in gui mode
# noinspection PyPep8Naming
QGIS_APP = QgsApplication(sys.argv, gui_flag)
# Make sure QGIS_PREFIX_PATH is set in your env if needed!
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 示例4: get_qgis_app
# 需要导入模块: from qgis import gui [as 别名]
# 或者: from qgis.gui import QgsMapCanvas [as 别名]
def get_qgis_app():
""" Start one QGIS application to test against.
:returns: Handle to QGIS app, canvas, iface and parent. If there are any
errors the tuple members will be returned as None.
:rtype: (QgsApplication, CANVAS, IFACE, PARENT)
If QGIS is already running the handle to that app will be returned.
"""
try:
from qgis.PyQt import QtGui, QtCore
from qgis.core import QgsApplication
from qgis.gui import QgsMapCanvas
from .qgis_interface import QgisInterface
except ImportError:
return None, None, None, None
global QGIS_APP # pylint: disable=W0603
if QGIS_APP is None:
gui_flag = True # All test will run qgis in gui mode
#noinspection PyPep8Naming
QGIS_APP = QgsApplication(sys.argv, gui_flag)
# Make sure QGIS_PREFIX_PATH is set in your env if needed!
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 示例5: get_qgis_app
# 需要导入模块: from qgis import gui [as 别名]
# 或者: from qgis.gui import QgsMapCanvas [as 别名]
def get_qgis_app():
""" Start one QGIS application to test against.
:returns: Handle to QGIS app, canvas, iface and parent. If there are any
errors the tuple members will be returned as None.
:rtype: (QgsApplication, CANVAS, IFACE, PARENT)
If QGIS is already running the handle to that app will be returned.
"""
try:
from PyQt4 import QtGui, QtCore
from qgis.core import QgsApplication
from qgis.gui import QgsMapCanvas
from qgis_interface import QgisInterface
except ImportError:
return None, None, None, None
global QGIS_APP # pylint: disable=W0603
if QGIS_APP is None:
gui_flag = True # All test will run qgis in gui mode
#noinspection PyPep8Naming
QGIS_APP = QgsApplication(sys.argv, gui_flag)
# Make sure QGIS_PREFIX_PATH is set in your env if needed!
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