def offsetSeek(self,offset,force=False):
"""jump to dmap record at supplied byte offset.
Require offset to be in record index list unless forced.
"""
from davitpy.pydarn.dmapio import setDmapOffset,getDmapOffset
if force:
return setDmapOffset(self.__fd,offset)
else:
if self.recordIndex is None:
self.createIndex()
if offset in self.recordIndex.values():
return setDmapOffset(self.__fd,offset)
else:
return getDmapOffset(self.__fd)
def __rewindDmap(self):
""" Jump to beginning of dmap file.
"""
# This method will have to do different things depending
# on self.dType (for future other data file support ie. hdf5)
from davitpy.pydarn.dmapio import setDmapOffset
return setDmapOffset(self._fd, 0)
def __rewindDmap(self):
""" Jump to beginning of dmap file.
"""
# This method will have to do different things depending
# on self.dType (for future other data file support ie. hdf5)
from davitpy.pydarn.dmapio import setDmapOffset
return setDmapOffset(self._fd, 0)
def __offsetSeekDmap(self, offset, force=False):
""" Jump to dmap record at supplied byte offset.
Require offset to be in record index list unless forced.
"""
# This method will have to do different things depending
# on self.dType (for future other data file support ie. hdf5)
from davitpy.pydarn.dmapio import setDmapOffset, getDmapOffset
if force:
return setDmapOffset(self._fd, offset)
else:
if self.recordIndex is None:
self.__createIndexDmap()
if offset in self.recordIndex.values():
return setDmapOffset(self._fd, offset)
else:
return getDmapOffset(self._fd)
def __offsetSeekDmap(self,offset,force=False):
"""
Jump to dmap record at supplied byte offset.
Require offset to be in record index list unless forced.
"""
# This method will have to do different things depending
# on self.dType (for future other data file support ie. hdf5)
from davitpy.pydarn.dmapio import setDmapOffset,getDmapOffset
if force:
return setDmapOffset(self._fd,offset)
else:
if self.recordIndex is None:
self.__createIndexDmap()
if offset in self.recordIndex.values():
return setDmapOffset(self._fd,offset)
else:
return getDmapOffset(self._fd)
def rewind(self):
"""jump to beginning of dmap file."""
from davitpy.pydarn.dmapio import setDmapOffset
return setDmapOffset(self.__fd, 0)
def rewind(self):
"""jump to beginning of dmap file."""
from davitpy.pydarn.dmapio import setDmapOffset
return setDmapOffset(self.__fd,0)
