本文整理汇总了Python中qgis.core.QgsCoordinateReferenceSystem类的典型用法代码示例。如果您正苦于以下问题:Python QgsCoordinateReferenceSystem类的具体用法?Python QgsCoordinateReferenceSystem怎么用?Python QgsCoordinateReferenceSystem使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了QgsCoordinateReferenceSystem类的20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,您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: onReturnPressed
def onReturnPressed(self):
try:
txt = self.editSearch.text().strip()
self.plugin.lastSearch = self.editSearch.text()
self.plugin.limitSearchToExtent = (self.cbExtent.isChecked())
options = self.plugin.gnOptions
options2 = {}
if self.plugin.limitSearchToExtent:
sourceCrs = self.plugin.canvas.mapSettings().destinationCrs()
targetCrs = QgsCoordinateReferenceSystem()
targetCrs.createFromSrid(4326)
xform = QgsCoordinateTransform(sourceCrs, targetCrs, QgsProject.instance())
geom = xform.transform(self.plugin.canvas.extent())
options2 = {'viewbox': str(geom.xMinimum()) + ',' +
str(geom.yMaximum()) + ',' +
str(geom.xMaximum()) + ',' +
str(geom.yMinimum())}
params = {'q': txt, 'addressdetails': '0'}
self.searchJson(params, self.plugin.gnUsername, options, options2)
except Exception as e:
for m in e.args:
QgsMessageLog.logMessage(m, 'Extensions')
pass
开发者ID:xcaeag,项目名称:Nominatim-Qgis-Plugin,代码行数:26,代码来源:nominatim_dlg.py
示例2: transformGeom
def transformGeom(self, item):
src_crs = QgsCoordinateReferenceSystem()
src_crs.createFromSrid(item.srid)
dest_crs = self.mapCanvas.mapRenderer().destinationCrs()
geom = QgsGeometry(item.geometry)
geom.transform(QgsCoordinateTransform(src_crs, dest_crs))
return geom
开发者ID:rhysallister,项目名称:quickfinder,代码行数:7,代码来源:finderbox.py
示例3: processAlgorithm
def processAlgorithm(self, parameters, context, feedback):
layer = QgsProcessingUtils.mapLayerFromString(self.getParameterValue(self.INPUT), context)
crsId = self.getParameterValue(self.TARGET_CRS)
targetCrs = QgsCoordinateReferenceSystem()
targetCrs.createFromUserInput(crsId)
writer = self.getOutputFromName(self.OUTPUT).getVectorWriter(layer.fields(), layer.wkbType(),
targetCrs, context)
layerCrs = layer.crs()
crsTransform = QgsCoordinateTransform(layerCrs, targetCrs)
outFeat = QgsFeature()
features = QgsProcessingUtils.getFeatures(layer, context)
total = 100.0 / QgsProcessingUtils.featureCount(layer, context)
for current, f in enumerate(features):
geom = f.geometry()
geom.transform(crsTransform)
outFeat.setGeometry(geom)
outFeat.setAttributes(f.attributes())
writer.addFeature(outFeat)
feedback.setProgress(int(current * total))
del writer
self.crs = targetCrs
开发者ID:rskelly,项目名称:QGIS,代码行数:27,代码来源:ReprojectLayer.py
示例4: processAlgorithm
def processAlgorithm(self, feedback):
fileName = self.getParameterValue(self.INPUT)
layer = dataobjects.getObjectFromUri(fileName)
crs = QgsCoordinateReferenceSystem(self.getParameterValue(self.CRS))
provider = layer.dataProvider()
ds = provider.dataSourceUri()
p = re.compile("\|.*")
dsPath = p.sub("", ds)
if dsPath.lower().endswith(".shp"):
dsPath = dsPath[:-4]
wkt = crs.toWkt()
with open(dsPath + ".prj", "w") as f:
f.write(wkt)
qpjFile = dsPath + ".qpj"
if os.path.exists(qpjFile):
with open(qpjFile, "w") as f:
f.write(wkt)
layer.setCrs(crs)
iface.mapCanvas().refresh()
self.setOutputValue(self.OUTPUT, fileName)
开发者ID:Gustry,项目名称:QGIS,代码行数:26,代码来源:DefineProjection.py
示例5: calculateSquare
def calculateSquare(self, point):
'''
point in layer coordinates(QgsPoint)
'''
mapCrs = self.canvas.mapSettings().destinationCrs()
utmCrs = QgsCoordinateReferenceSystem()
utmCrs.createFromProj4(self.proj4Utm(point))
ctFwd = QgsCoordinateTransform(mapCrs, utmCrs)
ctBwd = QgsCoordinateTransform(utmCrs, mapCrs)
pointGeom = QgsGeometry.fromPoint(point)
pointGeom.transform(ctFwd)
pointUtm = QgsPoint(pointGeom.asPoint())
# calculate d
d = self.diagonal/(2*(2**0.5))
l = pointUtm.x() - d
b = pointUtm.y() - d
r = pointUtm.x() + d
t = pointUtm.y() + d
p1 = QgsGeometry.fromPoint(QgsPoint(l, b))
p2 = QgsGeometry.fromPoint(QgsPoint(r, b))
p3 = QgsGeometry.fromPoint(QgsPoint(r, t))
p4 = QgsGeometry.fromPoint(QgsPoint(l, t))
p1.transform(ctBwd)
p2.transform(ctBwd)
p3.transform(ctBwd)
p4.transform(ctBwd)
mapPol = [p1.asPoint(), p2.asPoint(), p3.asPoint(), p4.asPoint(), p1.asPoint()]
return mapPol
开发者ID:APIS-Luftbildarchiv,项目名称:APIS,代码行数:35,代码来源:apis_map_tools.py
示例6: processAlgorithm
def processAlgorithm(self, feedback):
extent = str(self.getParameterValue(self.EXTENT)).split(',')
spacing = float(self.getParameterValue(self.SPACING))
inset = float(self.getParameterValue(self.INSET))
randomize = self.getParameterValue(self.RANDOMIZE)
isSpacing = self.getParameterValue(self.IS_SPACING)
crsId = self.getParameterValue(self.CRS)
crs = QgsCoordinateReferenceSystem()
crs.createFromUserInput(crsId)
extent = QgsRectangle(float(extent[0]), float(extent[2]),
float(extent[1]), float(extent[3]))
fields = QgsFields()
fields.append(QgsField('id', QVariant.Int, '', 10, 0))
writer = self.getOutputFromName(self.OUTPUT).getVectorWriter(
fields, QgsWkbTypes.Point, crs)
if randomize:
seed()
area = extent.width() * extent.height()
if isSpacing:
pSpacing = spacing
else:
pSpacing = sqrt(area / spacing)
f = QgsFeature()
f.initAttributes(1)
f.setFields(fields)
count = 0
total = 100.0 / (area / pSpacing)
y = extent.yMaximum() - inset
extent_geom = QgsGeometry.fromRect(extent)
extent_engine = QgsGeometry.createGeometryEngine(extent_geom.geometry())
extent_engine.prepareGeometry()
while y >= extent.yMinimum():
x = extent.xMinimum() + inset
while x <= extent.xMaximum():
if randomize:
geom = QgsGeometry().fromPoint(QgsPoint(
uniform(x - (pSpacing / 2.0), x + (pSpacing / 2.0)),
uniform(y - (pSpacing / 2.0), y + (pSpacing / 2.0))))
else:
geom = QgsGeometry().fromPoint(QgsPoint(x, y))
if extent_engine.intersects(geom.geometry()):
f.setAttribute('id', count)
f.setGeometry(geom)
writer.addFeature(f)
x += pSpacing
count += 1
feedback.setProgress(int(count * total))
y = y - pSpacing
del writer
开发者ID:cayetanobv,项目名称:QGIS,代码行数:60,代码来源:RegularPoints.py
示例7: test_ExpressionFieldEllipsoidLengthCalculation
def test_ExpressionFieldEllipsoidLengthCalculation(self):
#create a temporary layer
temp_layer = QgsVectorLayer("LineString?crs=epsg:3111&field=pk:int", "vl", "memory")
self.assertTrue(temp_layer.isValid())
f1 = QgsFeature(temp_layer.dataProvider().fields(), 1)
f1.setAttribute("pk", 1)
f1.setGeometry(QgsGeometry.fromPolyline([QgsPoint(2484588, 2425722), QgsPoint(2482767, 2398853)]))
temp_layer.dataProvider().addFeatures([f1])
# set project CRS and ellipsoid
srs = QgsCoordinateReferenceSystem(3111, QgsCoordinateReferenceSystem.EpsgCrsId)
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCRSProj4String", srs.toProj4())
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCRSID", srs.srsid())
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCrs", srs.authid())
QgsProject.instance().writeEntry("Measure", "/Ellipsoid", "WGS84")
QgsProject.instance().writeEntry("Measurement", "/DistanceUnits", QgsUnitTypes.encodeUnit(QGis.Meters))
idx = temp_layer.addExpressionField('$length', QgsField('length', QVariant.Double)) # NOQA
# check value
f = temp_layer.getFeatures().next()
expected = 26932.156
self.assertAlmostEqual(f['length'], expected, 3)
# change project length unit, check calculation respects unit
QgsProject.instance().writeEntry("Measurement", "/DistanceUnits", QgsUnitTypes.encodeUnit(QGis.Feet))
f = temp_layer.getFeatures().next()
expected = 88360.0918635
self.assertAlmostEqual(f['length'], expected, 3)
开发者ID:Clayton-Davis,项目名称:QGIS,代码行数:29,代码来源:test_qgsvectorlayer.py
示例8: viewport_geo_array
def viewport_geo_array(map_canvas):
"""Obtain the map canvas current extent in EPSG:4326.
:param map_canvas: A map canvas instance.
:type map_canvas: QgsMapCanvas
:returns: A list in the form [xmin, ymin, xmax, ymax] where all
coordinates provided are in Geographic / EPSG:4326.
:rtype: list
.. note:: Delegates to extent_to_array()
"""
# get the current viewport extent
rectangle = map_canvas.extent()
destination_crs = QgsCoordinateReferenceSystem()
destination_crs.createFromSrid(4326)
if map_canvas.hasCrsTransformEnabled():
source_crs = map_canvas.mapRenderer().destinationCrs()
else:
source_crs = destination_crs
return extent_to_array(rectangle, source_crs, destination_crs)
开发者ID:severinmenard,项目名称:inasafe,代码行数:25,代码来源:gis.py
示例9: _calc_north
def _calc_north(self):
extent = self.canvas.extent()
if self.canvas.layerCount() == 0 or extent.isEmpty():
print "No layers or extent"
return 0
outcrs = self.canvas.mapSettings().destinationCrs()
if outcrs.isValid() and not outcrs.geographicFlag():
crs = QgsCoordinateReferenceSystem()
crs.createFromOgcWmsCrs("EPSG:4326")
transform = QgsCoordinateTransform(outcrs, crs)
p1 = QgsPoint(extent.center())
p2 = QgsPoint(p1.x(), p1.y() + extent.height() * 0.25)
try:
pp1 = transform.transform(p1)
pp2 = transform.transform(p2)
except QgsCsException:
roam.utils.warning("North arrow. Error transforming.")
return None
area = QgsDistanceArea()
area.setEllipsoid(crs.ellipsoidAcronym())
area.setEllipsoidalMode(True)
area.setSourceCrs(crs)
distance, angle, _ = area.computeDistanceBearing(pp1, pp2)
angle = math.degrees(angle)
return angle
else:
return 0
开发者ID:loongfee,项目名称:Roam,代码行数:33,代码来源:mapwidget.py
示例10: viewport_geo_array
def viewport_geo_array(map_canvas):
"""Obtain the map canvas current extent in EPSG:4326.
:param map_canvas: A map canvas instance.
:type map_canvas: QgsMapCanvas
:returns: A list in the form [xmin, ymin, xmax, ymax] where all
coordinates provided are in Geographic / EPSG:4326.
:rtype: list
.. note:: Delegates to extent_to_geo_array()
"""
# get the current viewport extent
rectangle = map_canvas.extent()
if map_canvas.hasCrsTransformEnabled():
crs = map_canvas.mapRenderer().destinationCrs()
else:
# some code duplication from extentToGeoArray here
# in favour of clarity of logic...
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid(4326)
return extent_to_geo_array(rectangle, crs)
开发者ID:D2KG,项目名称:FLOOgin,代码行数:25,代码来源:utilities.py
示例11: setUp
def setUp(self):
"""Fixture run before all tests"""
register_impact_functions()
self.maxDiff = None # show full diff for assert errors
os.environ['LANG'] = 'en'
self.DOCK.show_only_visible_layers_flag = True
load_standard_layers(self.DOCK)
self.DOCK.cboHazard.setCurrentIndex(0)
self.DOCK.cboExposure.setCurrentIndex(0)
self.DOCK.cboFunction.setCurrentIndex(0)
self.DOCK.run_in_thread_flag = False
self.DOCK.show_only_visible_layers_flag = False
self.DOCK.set_layer_from_title_flag = False
self.DOCK.zoom_to_impact_flag = False
self.DOCK.hide_exposure_flag = False
self.DOCK.show_intermediate_layers = False
set_jakarta_extent()
self._keywordIO = KeywordIO()
self._defaults = get_defaults()
# Set extent as Jakarta extent
geo_crs = QgsCoordinateReferenceSystem()
geo_crs.createFromSrid(4326)
self.extent = extent_to_geo_array(CANVAS.extent(), geo_crs)
开发者ID:jobel-openscience,项目名称:inasafe,代码行数:25,代码来源:test_aggregator.py
示例12: processAlgorithm
def processAlgorithm(self, progress):
source = self.getParameterValue(self.INPUT)
vlayer = dataobjects.getObjectFromUri(source)
output = self.getOutputFromName(self.OUTPUT)
vprovider = vlayer.dataProvider()
fields = vprovider.fields()
writer = output.getVectorWriter(fields, QGis.WKBPoint, self.crs)
xfieldindex = vlayer.fieldNameIndex(self.getParameterValue(self.XFIELD))
yfieldindex = vlayer.fieldNameIndex(self.getParameterValue(self.YFIELD))
crsId = self.getParameterValue(self.TARGET_CRS)
targetCrs = QgsCoordinateReferenceSystem()
targetCrs.createFromUserInput(crsId)
self.crs = targetCrs
outFeat = QgsFeature()
nElement = 0
features = vector.features(vlayer)
nFeat = len(features)
for feature in features:
nElement += 1
progress.setPercentage(nElement * 100 / nFeat)
attrs = feature.attributes()
try:
x = float(attrs[xfieldindex])
y = float(attrs[yfieldindex])
except:
continue
pt = QgsPoint(x, y)
outFeat.setGeometry(QgsGeometry.fromPoint(pt))
outFeat.setAttributes(attrs)
writer.addFeature(outFeat)
del writer
开发者ID:Geoneer,项目名称:QGIS,代码行数:34,代码来源:PointsLayerFromTable.py
示例13: processAlgorithm
def processAlgorithm(self, parameters, context, feedback):
fileName = self.getParameterValue(self.INPUT)
layer = QgsProcessingUtils.mapLayerFromString(fileName, context)
crs = QgsCoordinateReferenceSystem(self.getParameterValue(self.CRS))
provider = layer.dataProvider()
ds = provider.dataSourceUri()
p = re.compile('\|.*')
dsPath = p.sub('', ds)
if dsPath.lower().endswith('.shp'):
dsPath = dsPath[:-4]
wkt = crs.toWkt()
with open(dsPath + '.prj', 'w') as f:
f.write(wkt)
qpjFile = dsPath + '.qpj'
if os.path.exists(qpjFile):
with open(qpjFile, 'w') as f:
f.write(wkt)
layer.setCrs(crs)
iface.mapCanvas().refresh()
self.setOutputValue(self.OUTPUT, fileName)
开发者ID:ndavid,项目名称:QGIS,代码行数:26,代码来源:DefineProjection.py
示例14: set_destination_coordinate_system
def set_destination_coordinate_system(self, srid_val):
"""
:return:
"""
spRef = QgsCoordinateReferenceSystem()
return spRef.createFromId(srid_val)
开发者ID:gltn,项目名称:stdm,代码行数:7,代码来源:geometry_provider.py
示例15: __signal_pbCopyKml_clicked
def __signal_pbCopyKml_clicked(self, cheked):
# Extent Openlayers
action = "map.getExtent().toGeometry().toString();"
wkt = self.webViewMap.page().mainFrame().evaluateJavaScript(action)
rect = QgsGeometry.fromWkt(wkt).boundingBox()
srsGE = QgsCoordinateReferenceSystem(
4326, QgsCoordinateReferenceSystem.EpsgCrsId)
coodTrans = QgsCoordinateTransform(self.__srsOL, srsGE,
QgsProject.instance())
rect = coodTrans.transform(
rect, QgsCoordinateTransform.ForwardTransform)
line = QgsGeometry.fromRect(rect).asPolygon()[0]
wkt = str(QgsGeometry.fromPolylineXY(line).asWkt())
# Kml
proj4 = str(srsGE.toProj4())
kmlLine = bindogr.exportKml(wkt, proj4)
kml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"\
"<kml xmlns=\"http://www.opengis.net/kml/2.2\" " \
"xmlns:gx=\"http://www.google.com/kml/ext/2.2\" " \
"xmlns:kml=\"http://www.opengis.net/kml/2.2\" " \
"xmlns:atom=\"http://www.w3.org/2005/Atom\">" \
"<Placemark>" \
"<name>KML from Plugin Openlayers Overview for QGIS</name>" \
"<description>Extent of openlayers map from Plugin Openlayers \
Overview for QGIS</description>"\
"%s" \
"</Placemark></kml>" % kmlLine
clipBoard = QApplication.clipboard()
clipBoard.setText(kml)
开发者ID:dongikjang,项目名称:qgis-tmsforkorea-plugin,代码行数:29,代码来源:openlayers_ovwidget.py
示例16: extentToGeoArray
def extentToGeoArray(theExtent, theSourceCrs):
"""Convert the supplied extent to geographic and return as as array.
Args:
theExtent: QgsRectangle to be transformed to geocrs.
theSourceCrs: QgsCoordinateReferenceSystem representing the original
extent's CRS.
Returns:
list: Transformed extents in EPSG:4326 in the form
[xmin, ymin, xmix, ymax]
Raises:
None
"""
myGeoCrs = QgsCoordinateReferenceSystem()
myGeoCrs.createFromId(4326, QgsCoordinateReferenceSystem.EpsgCrsId)
myXForm = QgsCoordinateTransform(
theSourceCrs,
myGeoCrs)
# Get the clip area in the layer's crs
myTransformedExtent = myXForm.transformBoundingBox(theExtent)
myGeoExtent = [myTransformedExtent.xMinimum(),
myTransformedExtent.yMinimum(),
myTransformedExtent.xMaximum(),
myTransformedExtent.yMaximum()]
return myGeoExtent
开发者ID:rukku,项目名称:inasafe,代码行数:30,代码来源:clipper.py
示例17: test_ExpressionFieldEllipsoidAreaCalculation
def test_ExpressionFieldEllipsoidAreaCalculation(self):
#create a temporary layer
temp_layer = QgsVectorLayer("Polygon?crs=epsg:3111&field=pk:int", "vl", "memory")
self.assertTrue(temp_layer.isValid())
f1 = QgsFeature(temp_layer.dataProvider().fields(), 1)
f1.setAttribute("pk", 1)
f1.setGeometry(QgsGeometry.fromPolygon([[QgsPoint(2484588, 2425722), QgsPoint(2482767, 2398853), QgsPoint(2520109, 2397715), QgsPoint(2520792, 2425494), QgsPoint(2484588, 2425722)]]))
temp_layer.dataProvider().addFeatures([f1])
# set project CRS and ellipsoid
srs = QgsCoordinateReferenceSystem(3111, QgsCoordinateReferenceSystem.EpsgCrsId)
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCRSProj4String", srs.toProj4())
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCRSID", srs.srsid())
QgsProject.instance().writeEntry("SpatialRefSys", "/ProjectCrs", srs.authid())
QgsProject.instance().writeEntry("Measure", "/Ellipsoid", "WGS84")
QgsProject.instance().writeEntry("Measurement", "/AreaUnits", QgsUnitTypes.encodeUnit(QgsUnitTypes.SquareMeters))
idx = temp_layer.addExpressionField('$area', QgsField('area', QVariant.Double)) # NOQA
# check value
f = temp_layer.getFeatures().next()
expected = 1009089817.0
self.assertAlmostEqual(f['area'], expected, delta=1.0)
# change project area unit, check calculation respects unit
QgsProject.instance().writeEntry("Measurement", "/AreaUnits", QgsUnitTypes.encodeUnit(QgsUnitTypes.SquareMiles))
f = temp_layer.getFeatures().next()
expected = 389.6117565069
self.assertAlmostEqual(f['area'], expected, 3)
开发者ID:Clayton-Davis,项目名称:QGIS,代码行数:29,代码来源:test_qgsvectorlayer.py
示例18: testInteger64WriteTabfile
def testInteger64WriteTabfile(self):
"""Check writing Integer64 fields to an MapInfo tabfile (which does not support that type)."""
ml = QgsVectorLayer(("Point?crs=epsg:4326&field=int8:int8"), "test", "memory")
self.assertIsNotNone(ml, "Provider not initialized")
self.assertTrue(ml.isValid(), "Source layer not valid")
provider = ml.dataProvider()
self.assertIsNotNone(provider)
ft = QgsFeature()
ft.setAttributes([2123456789])
res, features = provider.addFeatures([ft])
self.assertTrue(res)
self.assertTrue(features)
dest_file_name = os.path.join(str(QDir.tempPath()), "integer64.tab")
crs = QgsCoordinateReferenceSystem()
crs.createFromId(4326, QgsCoordinateReferenceSystem.EpsgCrsId)
write_result = QgsVectorFileWriter.writeAsVectorFormat(ml, dest_file_name, "utf-8", crs, "MapInfo File")
self.assertEqual(write_result, QgsVectorFileWriter.NoError)
# Open result and check
created_layer = QgsVectorLayer("{}|layerid=0".format(dest_file_name), "test", "ogr")
fields = created_layer.dataProvider().fields()
self.assertEqual(fields.at(fields.indexFromName("int8")).type(), QVariant.Double)
f = next(created_layer.getFeatures(QgsFeatureRequest()))
int8_idx = created_layer.fields().lookupField("int8")
self.assertEqual(f.attributes()[int8_idx], 2123456789)
开发者ID:liminlu0314,项目名称:QGIS,代码行数:31,代码来源:test_qgsvectorfilewriter.py
示例19: testWriteShapefileWithMultiConversion
def testWriteShapefileWithMultiConversion(self):
"""Check writing geometries to an ESRI shapefile with conversion to multi."""
ml = QgsVectorLayer(("Point?crs=epsg:4326&field=id:int"), "test", "memory")
self.assertIsNotNone(ml, "Provider not initialized")
self.assertTrue(ml.isValid(), "Source layer not valid")
provider = ml.dataProvider()
self.assertIsNotNone(provider)
ft = QgsFeature()
ft.setGeometry(QgsGeometry.fromWkt("Point (1 2)"))
ft.setAttributes([1])
res, features = provider.addFeatures([ft])
self.assertTrue(res)
self.assertTrue(features)
dest_file_name = os.path.join(str(QDir.tempPath()), "to_multi.shp")
crs = QgsCoordinateReferenceSystem()
crs.createFromId(4326, QgsCoordinateReferenceSystem.EpsgCrsId)
write_result = QgsVectorFileWriter.writeAsVectorFormat(
ml, dest_file_name, "utf-8", crs, "ESRI Shapefile", forceMulti=True
)
self.assertEqual(write_result, QgsVectorFileWriter.NoError)
# Open result and check
created_layer = QgsVectorLayer("{}|layerid=0".format(dest_file_name), "test", "ogr")
f = next(created_layer.getFeatures(QgsFeatureRequest()))
g = f.geometry()
wkt = g.exportToWkt()
expWkt = "MultiPoint ((1 2))"
self.assertTrue(
compareWkt(expWkt, wkt),
"saving geometry with multi conversion failed: mismatch Expected:\n%s\nGot:\n%s\n" % (expWkt, wkt),
)
开发者ID:liminlu0314,项目名称:QGIS,代码行数:34,代码来源:test_qgsvectorfilewriter.py
示例20: read_settings
def read_settings(self):
"""Set the IF state from QSettings."""
extent = setting('user_extent', None, str)
if extent:
extent = QgsGeometry.fromWkt(extent)
if not extent.isGeosValid():
extent = None
crs = setting('user_extent_crs', None, str)
if crs:
crs = QgsCoordinateReferenceSystem(crs)
if not crs.isValid():
crs = None
mode = setting('analysis_extents_mode', HAZARD_EXPOSURE_VIEW)
if crs and extent and mode == HAZARD_EXPOSURE_BOUNDINGBOX:
self.extent.set_user_extent(extent, crs)
self.extent.show_rubber_bands = setting(
'showRubberBands', False, bool)
self.zoom_to_impact_flag = setting('setZoomToImpactFlag', True, bool)
# whether exposure layer should be hidden after model completes
self.hide_exposure_flag = setting('setHideExposureFlag', False, bool)
开发者ID:timlinux,项目名称:inasafe,代码行数:25,代码来源:step_fc90_analysis.py
注:本文中的qgis.core.QgsCoordinateReferenceSystem类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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