(self, catNms=[], supNms=[], catIds=[])
return ids
filtering parameters. default skips that filter.
        :param catNms (str array)  : get cats for given cat names
        :param supNms (str array)  : get cats for given supercategory names
        :param catIds (int array)  : get cats for given cat ids
        :return: ids (int array)   : integer array of cat ids
filtering parameters. default skips that filter.
        :param catNms (str array)  : get cats for given cat names
        :param supNms (str array)  : get cats for given supercategory names
        :param catIds (int array)  : get cats for given cat ids
        :return: ids (int array)   : integer array of cat ids
filtering parameters . default skips that filter . : param catNms ( str array ) : get cats for given cat names : param supNms ( str array ) : get cats for given supercategory names : param catIds ( int array ) : get cats for given cat ids : return : ids ( int array ) : integer array of cat ids
def getCatIds(self, catNms=[], supNms=[], catIds=[]):
        """
        filtering parameters. default skips that filter.
        :param catNms (str array)  : get cats for given cat names
        :param supNms (str array)  : get cats for given supercategory names
        :param catIds (int array)  : get cats for given cat ids
        :return: ids (int array)   : integer array of cat ids
        """
        catNms = catNms if type(catNms) == list else [catNms]
        supNms = supNms if type(supNms) == list else [supNms]
        catIds = catIds if type(catIds) == list else [catIds]

        if len(catNms) == len(supNms) == len(catIds) == 0:
            cats = self.dataset['categories']
        else:
            cats = self.dataset['categories']
            cats = cats if len(catNms) == 0 else [cat for cat in cats if cat['name']          in catNms]
            cats = cats if len(supNms) == 0 else [cat for cat in cats if cat['supercategory'] in supNms]
            cats = cats if len(catIds) == 0 else [cat for cat in cats if cat['id']            in catIds]
        ids = [cat['id'] for cat in cats]
        return ids
def getCatIds ( self , catNms = [ ] , supNms = [ ] , catIds = [ ] ) : catNms = catNms if type ( catNms ) == list else [ catNms ] supNms = supNms if type ( supNms ) == list else [ supNms ] catIds = catIds if type ( catIds ) == list else [ catIds ] if len ( catNms ) == len ( supNms ) == len ( catIds ) == 0 : cats = self . dataset [ 'categories' ] else : cats = self . dataset [ 'categories' ] cats = cats if len ( catNms ) == 0 else [ cat for cat in cats if cat [ 'name' ] in catNms ] cats = cats if len ( supNms ) == 0 else [ cat for cat in cats if cat [ 'supercategory' ] in supNms ] cats = cats if len ( catIds ) == 0 else [ cat for cat in cats if cat [ 'id' ] in catIds ] ids = [ cat [ 'id' ] for cat in cats ] return ids