本文整理汇总了Python中django.contrib.gis.gdal.OGRGeomType.wkb25bit方法的典型用法代码示例。如果您正苦于以下问题：Python OGRGeomType.wkb25bit方法的具体用法？Python OGRGeomType.wkb25bit怎么用？Python OGRGeomType.wkb25bit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django.contrib.gis.gdal.OGRGeomType的用法示例。
在下文中一共展示了OGRGeomType.wkb25bit方法的3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: get_geometry_type
# 需要导入模块: from django.contrib.gis.gdal import OGRGeomType [as 别名]
# 或者: from django.contrib.gis.gdal.OGRGeomType import wkb25bit [as 别名]
def get_geometry_type(self, table_name, geo_col):
cursor = self.connection.cursor()
try:
# Querying the `geometry_columns` table to get additional metadata.
type_col = 'type' if self.connection.ops.spatial_version < (4, 0, 0) else 'geometry_type'
cursor.execute('SELECT coord_dimension, srid, %s '
'FROM geometry_columns '
'WHERE f_table_name=%%s AND f_geometry_column=%%s' % type_col,
(table_name, geo_col))
row = cursor.fetchone()
if not row:
raise Exception('Could not find a geometry column for "%s"."%s"' %
(table_name, geo_col))
# OGRGeomType does not require GDAL and makes it easy to convert
# from OGC geom type name to Django field.
ogr_type = row[2]
if isinstance(ogr_type, six.integer_types) and ogr_type > 1000:
# Spatialite versions >= 4 use the new SFSQL 1.2 offsets
# 1000 (Z), 2000 (M), and 3000 (ZM) to indicate the presence of
# higher dimensional coordinates (M not yet supported by Django).
ogr_type = ogr_type % 1000 + OGRGeomType.wkb25bit
field_type = OGRGeomType(ogr_type).django
# Getting any GeometryField keyword arguments that are not the default.
dim = row[0]
srid = row[1]
field_params = {}
if srid != 4326:
field_params['srid'] = srid
if (isinstance(dim, six.string_types) and 'Z' in dim) or dim == 3:
field_params['dim'] = 3
finally:
cursor.close()
return field_type, field_params 示例2: get_geometry_type
# 需要导入模块: from django.contrib.gis.gdal import OGRGeomType [as 别名]
# 或者: from django.contrib.gis.gdal.OGRGeomType import wkb25bit [as 别名]
def get_geometry_type(self, table_name, geo_col):
cursor = self.connection.cursor()
try:
# Querying the `geometry_columns` table to get additional metadata.
type_col = 'type' if self.connection.ops.spatial_version < (4, 0, 0) else 'geometry_type'
cursor.execute('SELECT coord_dimension, srid, %s '
'FROM geometry_columns '
'WHERE f_table_name=%%s AND f_geometry_column=%%s' % type_col,
(table_name, geo_col))
row = cursor.fetchone()
if not row:
raise Exception('Could not find a geometry column for "%s"."%s"' %
(table_name, geo_col))
# OGRGeomType does not require GDAL and makes it easy to convert
# from OGC geom type name to Django field.
ogr_type = row[2]
if isinstance(ogr_type, six.integer_types) and ogr_type > 1000:
# SpatiaLite versions >= 4 use the new SFSQL 1.2 offsets
# 1000 (Z), 2000 (M), and 3000 (ZM) to indicate the presence of
# higher dimensional coordinates (M not yet supported by Django).
ogr_type = ogr_type % 1000 + OGRGeomType.wkb25bit
field_type = OGRGeomType(ogr_type).django
# Getting any GeometryField keyword arguments that are not the default.
dim = row[0]
srid = row[1]
field_params = {}
if srid != 4326:
field_params['srid'] = srid
if (isinstance(dim, six.string_types) and 'Z' in dim) or dim == 3:
field_params['dim'] = 3
finally:
cursor.close()
return field_type, field_params 示例3: get_geometry_type
# 需要导入模块: from django.contrib.gis.gdal import OGRGeomType [as 别名]
# 或者: from django.contrib.gis.gdal.OGRGeomType import wkb25bit [as 别名]
def get_geometry_type(self, table_name, geo_col):
cursor = self.connection.cursor()
try:
# Querying the `geometry_columns` table to get additional metadata.
cursor.execute('SELECT coord_dimension, srid, geometry_type '
'FROM geometry_columns '
'WHERE f_table_name=%s AND f_geometry_column=%s',
(table_name, geo_col))
row = cursor.fetchone()
if not row:
raise Exception('Could not find a geometry column for "%s"."%s"' %
(table_name, geo_col))
# OGRGeomType does not require GDAL and makes it easy to convert
# from OGC geom type name to Django field.
ogr_type = row[2]
if isinstance(ogr_type, six.integer_types) and ogr_type > 1000:
# SpatiaLite versions >= 4 use the new SFSQL 1.2 offsets
# 1000 (Z), 2000 (M), and 3000 (ZM) to indicate the presence of
# higher dimensional coordinates (M not yet supported by Django).
ogr_type = ogr_type % 1000 + OGRGeomType.wkb25bit
field_type = OGRGeomType(ogr_type).django
# Getting any GeometryField keyword arguments that are not the default.
dim = row[0]
srid = row[1]
field_params = {}
if srid != 4326:
field_params['srid'] = srid
if (isinstance(dim, six.string_types) and 'Z' in dim) or dim == 3:
field_params['dim'] = 3
finally:
cursor.close()
return field_type, field_params