本文整理汇总了Python中qgis.core.QgsVectorLayerImport.addFeature方法的典型用法代码示例。如果您正苦于以下问题：Python QgsVectorLayerImport.addFeature方法的具体用法？Python QgsVectorLayerImport.addFeature怎么用？Python QgsVectorLayerImport.addFeature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.core.QgsVectorLayerImport的用法示例。
在下文中一共展示了QgsVectorLayerImport.addFeature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: open_file
# 需要导入模块: from qgis.core import QgsVectorLayerImport [as 别名]
# 或者: from qgis.core.QgsVectorLayerImport import addFeature [as 别名]
def open_file(
dialog=None,
osm_file=None,
output_geom_types=None,
white_list_column=None,
output_format=None,
layer_name="OsmFile",
config_outputs=None,
output_dir=None,
prefix_file=None):
"""
open an osm file
"""
outputs = get_outputs(output_dir, output_format, prefix_file, layer_name)
# Parsing the file
osm_parser = OsmParser(
osm_file=osm_file,
layers=output_geom_types,
white_list_column=white_list_column)
osm_parser.signalText.connect(dialog.set_progress_text)
osm_parser.signalPercentage.connect(dialog.set_progress_percentage)
layers = osm_parser.parse()
# Finishing the process with geojson or shapefile
num_layers = 0
if output_format == "shape":
dialog.set_progress_text(tr("QuickOSM", u"From GeoJSON to Shapefile"))
if output_format == "spatialite":
dialog.set_progress_text(tr("QuickOSM", u"From GeoJSON to SpatiaLite"))
# create spatialite DB
conn = sqlitedb.connect(outputs['file'])
cur = conn.cursor()
cur.execute("SELECT initSpatialMetadata(1)")
conn.close()
for i, (layer, item) in enumerate(layers.iteritems()):
dialog.set_progress_percentage(i / len(layers) * 100)
QApplication.processEvents()
if item['featureCount'] and layer in output_geom_types:
final_layer_name = layer_name
# If configOutputs is not None (from My Queries)
if config_outputs:
if config_outputs[layer]['namelayer']:
final_layer_name = config_outputs[layer]['namelayer']
# Transforming the vector file
osm_geometries = {
'points': QGis.WKBPoint,
'lines': QGis.WKBLineString,
'multilinestrings': QGis.WKBMultiLineString,
'multipolygons': QGis.WKBMultiPolygon}
geojson_layer = QgsVectorLayer(item['geojsonFile'], "temp", "ogr")
encoding = get_default_encoding()
if output_format == "shape":
provider = "ESRI Shapefile"
elif output_format == "geojson":
provider = "GeoJSON"
if output_format == "spatialite":
uri = QgsDataSourceURI()
uri.setDatabase(outputs['file'])
uri.setDataSource('', outputs[layer], 'geom')
layer_source = uri.uri()
layer_provider = 'spatialite'
writer = QgsVectorLayerImport(
layer_source,
layer_provider,
geojson_layer.pendingFields(),
osm_geometries[layer],
geojson_layer.crs())
else:
layer_source = outputs[layer]
layer_provider = 'ogr'
writer = QgsVectorFileWriter(
layer_source,
encoding,
geojson_layer.pendingFields(),
osm_geometries[layer],
geojson_layer.crs(),
provider)
for f in geojson_layer.getFeatures():
writer.addFeature(f)
del writer
# Loading the final vector file
new_layer = QgsVectorLayer(layer_source, final_layer_name, layer_provider)
# Try to set styling if defined
if config_outputs and config_outputs[layer]['style']:
new_layer.loadNamedStyle(config_outputs[layer]['style'])
else:
# Loading default styles
if layer == "multilinestrings" or layer == "lines":
if "colour" in item['tags']:
#.........这里部分代码省略.........