本文整理匯總了Python中django.contrib.gis.db.models.fields.RasterField方法的典型用法代碼示例。如果您正苦於以下問題：Python fields.RasterField方法的具體用法？Python fields.RasterField怎麽用？Python fields.RasterField使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類django.contrib.gis.db.models.fields的用法示例。
在下文中一共展示了fields.RasterField方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: as_sql
# 需要導入模塊: from django.contrib.gis.db.models import fields [as 別名]
# 或者: from django.contrib.gis.db.models.fields import RasterField [as 別名]
def as_sql(self, compiler, connection, **extra_context):
if self.function is None:
self.function = connection.ops.spatial_function_name(self.name)
if any(isinstance(field, RasterField) for field in self.get_source_fields()):
raise TypeError("Geometry functions not supported for raster fields.")
return super(GeoFunc, self).as_sql(compiler, connection, **extra_context) 示例2: as_sql
# 需要導入模塊: from django.contrib.gis.db.models import fields [as 別名]
# 或者: from django.contrib.gis.db.models.fields import RasterField [as 別名]
def as_sql(self, compiler, connection):
if self.function is None:
self.function = connection.ops.spatial_function_name(self.name)
if any(isinstance(field, RasterField) for field in self.get_source_fields()):
raise TypeError("Geometry functions not supported for raster fields.")
return super(GeoFunc, self).as_sql(compiler, connection)