[英]Python TypeError: 'float' object cannot be interpreted as an index
[英]python-2.7 | SimpleCV - TypeError: 'float' object cannot be interpreted as an index
我正在嘗試使用simpleCV和python2.7構建一個圖像變形工具 。
下面的代碼之前(當我使用Ubuntu 16.04.1 LTS時)運行良好,但是我最近更新到了Ubuntu 17.04,現在出現此錯誤。
這是函數:
def buildMap(Ws, Hs, Wd, Hd, R1, R2, Cx, Cy):
map_x = np.zeros((Hd, Wd),np.float32)
map_y = np.zeros((Hd, Wd),np.float32)
rMap = np.linspace(R1, R1 + (R2 - R1), Hd)
thetaMap = np.linspace(0, 0 + float(Wd) * 2.0 * np.pi, Wd)
sinMap = np.sin(thetaMap)
cosMap = np.cos(thetaMap)
for y in xrange(0, int(Hd-1)):
map_x[y] = Cx + rMap[y] * sinMap
map_y[y] = Cy + rMap[y] * cosMap
return map_x, map_y
這是我得到的錯誤:
Exception in thread Thread-1:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 754, in run
self.__target(*self.__args, **self.__kwargs)
File "./fy360.py", line 189, in new_dewarp
xmap, ymap = buildMap(Ws, Hs, Wd, Hd, R1, R2, Cx, Cy)
File "./fy360.py", line 122, in buildMap
map_x = np.zeros((Hd, Wd),np.float32)
TypeError: 'float' object cannot be interpreted as an index
我的代碼有什么問題?
np.zeros
函數需要Hd
和Wd
為整數,而不是浮點數。 先前版本的Python會默默地轉換為整數,但較新的版本會給出錯誤。 嘗試添加以下內容:
Hd = int(Hd)
Wd = int(Wd)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.