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Python ArrayMath.takeValues方法代码示例

本文整理汇总了Python中org.meteoinfo.data.ArrayMath.takeValues方法的典型用法代码示例。如果您正苦于以下问题:Python ArrayMath.takeValues方法的具体用法?Python ArrayMath.takeValues怎么用?Python ArrayMath.takeValues使用的例子?那么恭喜您, 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org.meteoinfo.data.ArrayMath的用法示例。


在下文中一共展示了ArrayMath.takeValues方法的1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: __getitem__

# 需要导入模块: from org.meteoinfo.data import ArrayMath [as 别名]
# 或者: from org.meteoinfo.data.ArrayMath import takeValues [as 别名]
    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())
#.........这里部分代码省略.........
开发者ID:meteoinfo,项目名称:MeteoInfoLab,代码行数:103,代码来源:miarray.py


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