问题描述
嘿,我想这本来可以回答的,但是我找不到我正在寻找的确切内容。代码如下:
positiveData = np.array([])
negativeData = []
with AedatFile('someFile') as f:
# loop through the "frames" stream
for e in f['events'].numpy():
for event in e:
time,x,y,polarity,_,_ = event
if polarity == 1:
data = np.array([time,polarity])
print(data)
positiveData = np.append(positiveData,data)
print(positiveData)
else:
data = [time,polarity]
negativeData.append(data)
我希望代码看起来像这样:
[[1,2,3,4],[1,....]
我打算用它来制作一个 3d 图,所以我想要一个数组,这样我就可以轻松地 plot3d(array[0][:],array[1][:],array[2][:])>
大家加油。
这是下面要求的一组示例数据。我不能粘贴更多,因为它说我的评论主要是代码,并且不允许我发布更多内容而不添加更多令人难以置信的愚蠢文本。
[(1612584805989190,254,304,1,0)
(1612584805989190,283,286,0) ...
(1612584805999148,596,20,0)
(1612584805999162,549,60,0)
(1612584805999189,461,225,0)]
[(1612584806009235,512,31,0)
(1612584806009263,419,274,0)
(1612584806009287,338,188,0) ...
(1612584806019188,214,241,0)
(1612584806019188,237,0)
(1612584806019189,211,234,0)]
解决方法
尝试修改为
positiveData = np.append( positiveData,[data] )
或
data = np.array( [[ time,x,y,polarity ]] )
append 函数将在数组目标内部附加(嵌入)给定的数组 https://numpy.org/doc/stable/reference/generated/numpy.append.html