def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if self.rank == 0: return self if len(indices) != self.rank: print 'indices must be ' + str(self.rank) + ' dimensions!' return None ranges = [] flips = [] iszerodim = True for i in range(0, self.rank): if isinstance(indices[i], int): sidx = indices[i] eidx = indices[i] step = 1 else: sidx = 0 if indices[i].start is None else indices[i].start eidx = self.getshape( )[i] - 1 if indices[i].stop is None else indices[i].stop - 1 step = 1 if indices[i].step is None else indices[i].step if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) if sidx >= self.shape[i]: raise IndexError() rr = Range(sidx, eidx, step) ranges.append(rr) r = ArrayMath.section(self.array, ranges) if iszerodim: return r.getObject(0) else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()) MAMath.copy(rr, r) return MIArray(rr)
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if self.rank == 0: return self if len(indices) != self.rank: print 'indices must be ' + str(self.rank) + ' dimensions!' return None ranges = [] flips = [] iszerodim = True for i in range(0, self.rank): if isinstance(indices[i], int): sidx = indices[i] eidx = indices[i] step = 1 else: sidx = 0 if indices[i].start is None else indices[i].start eidx = self.getshape()[i]-1 if indices[i].stop is None else indices[i].stop-1 step = 1 if indices[i].step is None else indices[i].step if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) if sidx >= self.shape[i]: raise IndexError() rr = Range(sidx, eidx, step) ranges.append(rr) r = ArrayMath.section(self.array, ranges) if iszerodim: return r.getObject(0) else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); return MIArray(rr)
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds allint = True aindex = self.array.getIndex() i = 0 for ii in indices: if isinstance(ii, int): if ii < 0: ii = self.shape[i] + ii aindex.setDim(i, ii) else: allint = False break i += 1 if allint: return self.array.getObject(aindex) if self.ndim == 0: return self if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' raise IndexError() ranges = [] flips = [] onlyrange = True alllist = True isempty = False nshape = [] for i in range(0, self.ndim): k = indices[i] if isinstance(k, int): if k < 0: k = self._shape[i] + k sidx = k eidx = k step = 1 alllist = False elif isinstance(k, slice): sidx = 0 if k.start is None else k.start if sidx < 0: sidx = self._shape[i] + sidx eidx = self._shape[i] if k.stop is None else k.stop if eidx < 0: eidx = self._shape[i] + eidx eidx -= 1 step = 1 if k.step is None else k.step alllist = False elif isinstance(k, (list, tuple, MIArray)): if isinstance(k, MIArray): k = k.aslist() if isinstance(k[0], bool): kk = [] for i in range(len(k)): if k[i]: kk.append(i) k = kk onlyrange = False ranges.append(k) continue else: print k return None if step < 0: step = abs(step) flips.append(i) if eidx < sidx: tempidx = sidx sidx = eidx + 2 eidx = tempidx if sidx >= self.shape[i]: raise IndexError() if eidx < sidx: isempty = True else: rr = Range(sidx, eidx, step) ranges.append(rr) nshape.append(eidx - sidx + 1 if eidx - sidx >= 0 else 0) if isempty: r = ArrayUtil.zeros(nshape, 'int') return MIArray(r) if onlyrange: r = ArrayMath.section(self.array, ranges) else: if alllist: r = ArrayMath.takeValues(self.array, ranges) else: r = ArrayMath.take(self.array, ranges) if r.getSize() == 1: r = r.getObject(0) if isinstance(r, Complex): return complex(r.getReal(), r.getImaginary()) else: return r else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()) MAMath.copy(rr, r) return MIArray(rr)
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds allint = True aindex = self.array.getIndex() i = 0 for ii in indices: if isinstance(ii, int): if ii < 0: ii = self.shape[i] + ii aindex.setDim(i, ii) else: allint = False break; i += 1 if allint: return self.array.getObject(aindex) if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' raise IndexError() if not self.proj is None and not self.proj.isLonLat(): xlim = None ylim = None xidx = -1 yidx = -1 for i in range(0, self.ndim): dim = self.dims[i] if dim.getDimType() == DimensionType.X: k = indices[i] #if isinstance(k, (tuple, list)): if isinstance(k, basestring): xlims = k.split(':') xlim = [float(xlims[0]), float(xlims[1])] xidx = i elif dim.getDimType() == DimensionType.Y: k = indices[i] #if isinstance(k, (tuple, list)): if isinstance(k, basestring): ylims = k.split(':') ylim = [float(ylims[0]), float(ylims[1])] yidx = i if not xlim is None and not ylim is None: fromproj=KnownCoordinateSystems.geographic.world.WGS1984 inpt = PointD(xlim[0], ylim[0]) outpt1 = Reproject.reprojectPoint(inpt, fromproj, self.proj) inpt = PointD(xlim[1], ylim[1]) outpt2 = Reproject.reprojectPoint(inpt, fromproj, self.proj) xlim = [outpt1.X, outpt2.X] ylim = [outpt1.Y, outpt2.Y] indices1 = [] for i in range(0, self.ndim): if i == xidx: #indices1.append(xlim indices1.append(str(xlim[0]) + ':' + str(xlim[1])) elif i == yidx: #indices1.append(ylim) indices1.append(str(ylim[0]) + ':' + str(ylim[1])) else: indices1.append(indices[i]) indices = indices1 ndims = [] ranges = [] flips = [] iszerodim = True onlyrange = True alllist = True isempty = False nshape = [] for i in range(0, self.ndim): isrange = True k = indices[i] if isinstance(k, int): if k < 0: k = self.dims[i].getLength() + k sidx = k eidx = k step = 1 alllist = False elif isinstance(k, slice): if isinstance(k.start, basestring): sv = float(k.start) sidx = self.dims[i].getValueIndex(sv) elif isinstance(k.start, datetime.datetime): sv = miutil.date2num(k.start) sidx = self.dims[i].getValueIndex(sv) else: sidx = 0 if k.start is None else k.start if sidx < 0: sidx = self.dims[i].getLength() + sidx if isinstance(k.stop, basestring): ev = float(k.stop) eidx = self.dims[i].getValueIndex(ev) elif isinstance(k.stop, datetime.datetime): ev = miutil.date2num(k.stop) eidx = self.dims[i].getValueIndex(ev) else: eidx = self.dims[i].getLength() if k.stop is None else k.stop if eidx < 0: eidx = self.dims[i].getLength() + eidx eidx -= 1 if isinstance(k.step, basestring): nv = float(k.step) + self.dims[i].getDimValue()[0] nidx = self.dims[i].getValueIndex(nv) step = nidx - sidx elif isinstance(k.step, datetime.timedelta): nv = miutil.date2num(k.start + k.step) nidx = self.dims[i].getValueIndex(nv) step = nidx - sidx else: step = 1 if k.step is None else k.step alllist = False elif isinstance(k, list): onlyrange = False isrange = False if not isinstance(k[0], datetime.datetime): ranges.append(k) else: tlist = [] for tt in k: sv = miutil.date2num(tt) idx = self.dims[i].getValueIndex(sv) tlist.append(idx) ranges.append(tlist) k = tlist elif isinstance(k, basestring): dim = self.dims[i] kvalues = k.split(':') sidx = dim.getValueIndex(float(kvalues[0])) if len(kvalues) == 1: eidx = sidx step = 1 else: eidx = dim.getValueIndex(float(kvalues[1])) if len(kvalues) == 2: step = 1 else: step = int(float(kvalues[2]) / dim.getDeltaValue()) if sidx > eidx: iidx = eidx eidx = sidx sidx = iidx alllist = False else: print k raise IndexError() if isrange: if sidx >= self.shape[i]: raise IndexError() if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) if eidx < sidx: tempidx = sidx sidx = eidx + 2 eidx = tempidx if eidx < sidx: isempty = True else: rr = Range(sidx, eidx, step) ranges.append(rr) n = eidx - sidx + 1 if n > 1: dim = self.dims[i] ndims.append(dim.extract(sidx, eidx, step)) nshape.append(eidx - sidx + 1 if eidx - sidx >= 0 else 0) else: if len(k) > 1: dim = self.dims[i] ndims.append(dim.extract(k)) if isempty: r = ArrayUtil.zeros(nshape, 'int') return MIArray(r) if onlyrange: r = ArrayMath.section(self.array, ranges) else: if alllist: r = ArrayMath.takeValues(self.array, ranges) return MIArray(r) else: r = ArrayMath.take(self.array, ranges) if r.getSize() == 1: return r.getObject(0) else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); array = MIArray(rr) data = DimArray(array, ndims, self.fill_value, self.proj) return data
def value(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' return None #origin = [] #size = [] #stride = [] dims = [] ranges = [] flips = [] for i in range(0, self.ndim): k = indices[i] if isinstance(indices[i], int): sidx = k eidx = k step = 1 elif isinstance(k, slice): sidx = 0 if k.start is None else k.start eidx = self.dims[i].getLength()-1 if k.stop is None else k.stop step = 1 if k.step is None else k.step elif isinstance(k, tuple) or isinstance(k, list): dim = self.dims[i] sidx = dim.getValueIndex(k[0]) if len(k) == 1: eidx = sidx step = 1 else: eidx = dim.getValueIndex(k[1]) if len(k) == 2: step = 1 else: step = int(k[2] / dim.getDeltaValue) else: print k return None if step < 0: step = abs(step) flips.append(i) rr = Range(sidx, eidx, step) ranges.append(rr) #origin.append(sidx) n = eidx - sidx + 1 #size.append(n) #stride.append(step) if n > 1: dim = self.dims[i] dims.append(dim.extract(sidx, eidx, step)) #r = ArrayMath.section(self.array, origin, size, stride) r = ArrayMath.section(self.array, ranges) for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); array = MIArray(rr) data = DimArray(array, dims, self.fill_value, self.proj) return data
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' return None #origin = [] #size = [] #stride = [] dims = [] ranges = [] flips = [] iszerodim = True for i in range(0, self.ndim): k = indices[i] if isinstance(indices[i], int): sidx = k eidx = k step = 1 elif isinstance(k, slice): sidx = 0 if k.start is None else k.start eidx = self.dims[i].getLength()-1 if k.stop is None else k.stop-1 step = 1 if k.step is None else k.step elif isinstance(k, tuple) or isinstance(k, list): dim = self.dims[i] sidx = dim.getValueIndex(k[0]) if len(k) == 1: eidx = sidx step = 1 else: eidx = dim.getValueIndex(k[1]) if len(k) == 2: step = 1 else: step = int(k[2] / dim.getDeltaValue) else: print k return None if sidx >= self.shape[i]: raise IndexError() if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) rr = Range(sidx, eidx, step) ranges.append(rr) #origin.append(sidx) n = eidx - sidx + 1 #size.append(n) #stride.append(step) if n > 1: dim = self.dims[i] dims.append(dim.extract(sidx, eidx, step)) #r = ArrayMath.section(self.array.array, origin, size, stride) r = ArrayMath.section(self.array.array, ranges) if iszerodim: return r.getObject(0) else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); array = MIArray(rr) data = DimArray(array, dims, self.fill_value, self.proj) return data
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds allint = True aindex = self.array.getIndex() i = 0 for ii in indices: if isinstance(ii, int): if ii < 0: ii = self.shape[i] + ii aindex.setDim(i, ii) else: allint = False break; i += 1 if allint: return self.array.getObject(aindex) if self.ndim == 0: return self if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' raise IndexError() ranges = [] flips = [] onlyrange = True alllist = True isempty = False nshape = [] for i in range(0, self.ndim): k = indices[i] if isinstance(k, int): if k < 0: k = self._shape[i] + k sidx = k eidx = k step = 1 alllist = False elif isinstance(k, slice): sidx = 0 if k.start is None else k.start if sidx < 0: sidx = self._shape[i] + sidx eidx = self._shape[i] if k.stop is None else k.stop if eidx < 0: eidx = self._shape[i] + eidx eidx -= 1 step = 1 if k.step is None else k.step alllist = False elif isinstance(k, (list, tuple, MIArray)): if isinstance(k, MIArray): k = k.aslist() if isinstance(k[0], bool): kk = [] for i in range(len(k)): if k[i]: kk.append(i) k = kk onlyrange = False ranges.append(k) continue else: print k return None if step < 0: step = abs(step) flips.append(i) if eidx < sidx: tempidx = sidx sidx = eidx + 2 eidx = tempidx if sidx >= self.shape[i]: raise IndexError() if eidx < sidx: isempty = True else: rr = Range(sidx, eidx, step) ranges.append(rr) nshape.append(eidx - sidx + 1 if eidx - sidx >= 0 else 0) if isempty: r = ArrayUtil.zeros(nshape, 'int') return MIArray(r) if onlyrange: r = ArrayMath.section(self.array, ranges) else: if alllist: r = ArrayMath.takeValues(self.array, ranges) else: r = ArrayMath.take(self.array, ranges) if r.getSize() == 1: r = r.getObject(0) if isinstance(r, Complex): return complex(r.getReal(), r.getImaginary()) else: return r else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); return MIArray(rr)
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if self.ndim == 0: return self if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' raise IndexError() ranges = [] flips = [] iszerodim = True onlyrange = True for i in range(0, self.ndim): k = indices[i] if isinstance(k, int): if k < 0: k = self.getshape()[i] + k sidx = k eidx = k step = 1 elif isinstance(k, slice): sidx = 0 if k.start is None else k.start if sidx < 0: sidx = self.getshape()[i] + sidx eidx = self.getshape()[i] - 1 if k.stop is None else k.stop - 1 if eidx < 0: eidx = self.getshape()[i] + eidx step = 1 if k.step is None else k.step elif isinstance(k, (list, tuple, MIArray)): if isinstance(k, MIArray): k = k.aslist() onlyrange = False ranges.append(k) iszerodim = False continue else: print k return None if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) if sidx >= self.shape[i]: raise IndexError() rr = Range(sidx, eidx, step) ranges.append(rr) if onlyrange: r = ArrayMath.section(self.array, ranges) else: r = ArrayMath.take(self.array, ranges) if iszerodim: r = r.getObject(0) if isinstance(r, Complex): return complex(r.getReal(), r.getImaginary()) else: return r else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()) MAMath.copy(rr, r) return MIArray(rr)
def __getitem__(self, indices): #print type(indices) if not isinstance(indices, tuple): inds = [] inds.append(indices) indices = inds if len(indices) != self.ndim: print 'indices must be ' + str(self.ndim) + ' dimensions!' raise IndexError() if not self.proj is None and not self.proj.isLonLat(): xlim = None ylim = None xidx = -1 yidx = -1 for i in range(0, self.ndim): dim = self.dims[i] if dim.getDimType() == DimensionType.X: k = indices[i] #if isinstance(k, (tuple, list)): if isinstance(k, basestring): xlims = k.split(':') xlim = [float(xlims[0]), float(xlims[1])] xidx = i elif dim.getDimType() == DimensionType.Y: k = indices[i] #if isinstance(k, (tuple, list)): if isinstance(k, basestring): ylims = k.split(':') ylim = [float(ylims[0]), float(ylims[1])] yidx = i if not xlim is None and not ylim is None: fromproj=KnownCoordinateSystems.geographic.world.WGS1984 inpt = PointD(xlim[0], ylim[0]) outpt1 = Reproject.reprojectPoint(inpt, fromproj, self.proj) inpt = PointD(xlim[1], ylim[1]) outpt2 = Reproject.reprojectPoint(inpt, fromproj, self.proj) xlim = [outpt1.X, outpt2.X] ylim = [outpt1.Y, outpt2.Y] indices1 = [] for i in range(0, self.ndim): if i == xidx: #indices1.append(xlim indices1.append(str(xlim[0]) + ':' + str(xlim[1])) elif i == yidx: #indices1.append(ylim) indices1.append(str(ylim[0]) + ':' + str(ylim[1])) else: indices1.append(indices[i]) indices = indices1 #origin = [] #size = [] #stride = [] dims = [] ranges = [] flips = [] iszerodim = True onlyrange = True for i in range(0, self.ndim): isrange = True k = indices[i] if isinstance(k, int): if k < 0: k = self.dims[i].getLength() + k sidx = k eidx = k step = 1 elif isinstance(k, slice): sidx = 0 if k.start is None else k.start if sidx < 0: sidx = self.dims[i].getLength() + sidx eidx = self.dims[i].getLength()-1 if k.stop is None else k.stop-1 if eidx < 0: eidx = self.dims[i].getLength() + eidx step = 1 if k.step is None else k.step elif isinstance(k, list): if not isinstance(k[0], datetime.datetime): onlyrange = False isrange = False ranges.append(k) else: sv = k[0] sv = miutil.date2num(sv) dim = self.dims[i] sidx = dim.getValueIndex(sv) if len(k) == 1: eidx = sidx step = 1 else: ev = k[1] ev = miutil.date2num(ev) eidx = dim.getValueIndex(ev) if len(k) == 2: step = 1 else: nv = k[2] nv = miutil.date2num(k[0] + k[2]) - sv step = int(nv / dim.getDeltaValue()) if sidx > eidx: iidx = eidx eidx = sidx sidx = iidx elif isinstance(k, basestring): dim = self.dims[i] kvalues = k.split(':') sidx = dim.getValueIndex(float(kvalues[0])) if len(kvalues) == 1: eidx = sidx step = 1 else: eidx = dim.getValueIndex(float(kvalues[1])) if len(kvalues) == 2: step = 1 else: step = int(float(kvalues[2]) / dim.getDeltaValue()) if sidx > eidx: iidx = eidx eidx = sidx sidx = iidx else: print k raise IndexError() if isrange: if sidx >= self.shape[i]: raise IndexError() if sidx != eidx: iszerodim = False if step < 0: step = abs(step) flips.append(i) rr = Range(sidx, eidx, step) ranges.append(rr) #origin.append(sidx) n = eidx - sidx + 1 #size.append(n) #stride.append(step) if n > 1: dim = self.dims[i] dims.append(dim.extract(sidx, eidx, step)) else: if len(k) > 1: dim = self.dims[i] dims.append(dim.extract(k)) #r = ArrayMath.section(self.array.array, origin, size, stride) if onlyrange: r = ArrayMath.section(self.array.array, ranges) else: r = ArrayMath.take(self.array.array, ranges) if r.getSize() == 1: return r.getObject(0) else: for i in flips: r = r.flip(i) rr = Array.factory(r.getDataType(), r.getShape()); MAMath.copy(rr, r); array = MIArray(rr) data = DimArray(array, dims, self.fill_value, self.proj) return data