def reddim(data,indices,el = 0):
#el = repeat(0,len(indices))
for dim in range(len(shape(data))):
if (dim in indices):
SEL[dim] = el
else:
SEL[dim] = range(size(data,axis=dim))
return data[arraysel(SEL,shape(data))]
def sizeout(data,axisref,deffunc):
SEL = list(repeat(None,len(shape(data))))
sizeout = list(repeat(None,len(shape(data))))
#before calculating the dataout matrix, its dimension has to be acquired
for dim in range(len(shape(data))):
if (axisref[dim] == True):
SEL[dim] = range(size(data,axis=dim))
else:
SEL[dim] = [0]
sizeout[dim] = size(data,axis=dim)
# the first item in this list contains dummy data which will not be used;
# the other items potentially contain the output coordinates if available
# print(shape(data[arraysel(SEL,data.shape)]))
dtempin = data[arraysel(SEL,data.shape)]
SHAPE = []
for iSHAPE in range(len(SEL)):
if (axisref[iSHAPE] == True):
SHAPE.append(len(SEL[iSHAPE]))
dtempin.shape = SHAPE
dummydataout = deffunc(dtempin)
dimout = 0
for dim in range(len(shape(data))):
if (axisref[dim] == True):
# if list, get the output data size which is given by the first item in the list
# if not list (no output coordinates given), just get the size of the data
if ((type(dummydataout).__name__ == 'list') or (type(dummydataout).__name__ == 'tuple')):
sizeout[dim] = size(dummydataout[0],axis=dimout)
else:
sizeout[dim] = size(dummydataout,axis=dimout)
dimout = dimout + 1
# shapedataout = sizeout(ncin.variables[evariable][:],\
# axisref, \
# lambda data: deffunc(data) )
# get the output coordinates of the processed dimensions and save it as a seperate list
if ((type(dummydataout).__name__ == 'list') or (type(dummydataout).__name__ == 'tuple')):
if (type(dummydataout[1]).__name__ == 'list' ): # multiple coordinate set stored as a list
outcoords = dummydataout[1]
else:
if (dummydataout[1] != None):
outcoords = list(dummydataout[1])
else:
outcoords = None
else:
outcoords = None # function doesn't have output coordinates available
# sizeout: size of the output data if one would apply multifunc
# outcoords: list of coordinate sets of each dimension where axisref == True
return sizeout, outcoords
