class_docstr: Class to create similar coordinate maps of different dimensions
      
class_docstr_tok: ["Class","to","create","similar","coordinate","maps","of","different","dimensions"]
docstr: Create coordinate system of length `N`
  
  Parameters
  ----------
  N : int
      length of coordinate map
  name : None or str, optional
      Name of coordinate map.  Default is ``self.name``
  coord_dtype : None or dtype
      ``coord_dtype`` of returned coordinate system.  Default is
      ``self.coord_dtype``
  
  Returns
  -------
  csys : coordinate system
docstr_tok: ["Create","coordinate","system","of","length","`","N","`","Parameters","--","--","--","--","--","N",":","int","length","of","coordinate","map","name",":","None","or","str",",","optional","Name","of","coordinate","map",".","Default","is","``","self.name","``","coord_dtype",":","None","or","dtype","``","coord_dtype","``","of","returned","coordinate","system",".","Default","is","``","self.coord_dtype","``","Returns","--","--","--","-","csys",":","coordinate","system"]
code: def __call__(self, N, name=None, coord_dtype=None):
      """Create coordinate system of length `N`
  
      Parameters
      ----------
      N : int
          length of coordinate map
      name : None or str, optional
          Name of coordinate map.  Default is ``self.name``
      coord_dtype : None or dtype
          ``coord_dtype`` of returned coordinate system.  Default is
          ``self.coord_dtype``
  
      Returns
      -------
      csys : coordinate system
      """
      if name is None:
          name = self.name
      if coord_dtype is None:
          coord_dtype = self.coord_dtype
      if N > len(self.coord_names):
          raise CoordSysMakerError(
              "Not enough axis names (have %d, "
              "you asked for %d)" % (len(self.coord_names), N)
          )
      return self.coord_sys_klass(
          self.coord_names[:N], name, coord_dtype
      )
  
imports: import numpy
label_desc: Use image node_id 2 for calling the CoordSysMaker obj's underlying member method code with example usage: obj.__call__(N, name, coord_dtype) and returns: self