TypeError: 'float' object cannot be interpreted as an integer ( python 3.4 version)

Question

I am trying to run a video file and getting error as below.

$ /usr/bin/python3.4 /home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/main.py
Traceback (most recent call last):

  File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/main.py", line 19, in <module>
    img_aug = process_frame(img)

  File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/lane.py", line 615, in process_frame
    output = create_output_frame(offcenter, pts, img_undist_, fps, curvature, curve_direction, binary_sub)

  File "/home/ramakrishna/PycharmProjects/Lanedect/driving-lane-departure-warning-master/lane.py", line 467, in create_output_frame
    whole_frame = np.zeros((h*2.5,w*2.34, 3), dtype=np.uint8)

TypeError: 'float' object cannot be interpreted as an integer

Your mistake on the line whole_frame = np.zeros((h*2.5,w*2.34, 3), dtype=np.uint8) is that you try to set floating point numbers as dimensions of your array. Array dimensions are integers. — Vasilis G.
– Vasilis G., Commented Nov 1, 2017 at 11:11
What do you mean by that? Like assigning them to variables and maintaining them until your program finishes? — Vasilis G.
– Vasilis G., Commented Nov 1, 2017 at 12:24

Arunesh Singh · Accepted Answer · 2017-11-01 10:58:11Z

2

Below line is reason for error.

np.zeros((h*2.5,w*2.34, 3), dtype=np.uint8)

np.zeros expects dimensions as integers, while h*2.5 and w*2.34 evaluates as float. If you wish you can cast arguments to integer using int().

answered Nov 1, 2017 at 10:58

Arunesh Singh

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5 Comments

Ayyswariyaa Over a year ago

How can I retain the floating value.

Arunesh Singh Over a year ago

Simply, assign those values to new variable and use when you need them or recalculate it.

Ayyswariyaa Over a year ago

It creates frame to hold an image

Ayyswariyaa Over a year ago

Is there a way to make 'whole_frame' take floating values?

Ayyswariyaa Over a year ago

Plz help with the syntax as I am new to python.

Ayyswariyaa · Accepted Answer · 2017-11-05 11:46:39Z

0

I finally got the solution to it..I initially tried replacing floating values to 3 and 2 for 3.5 and 3.24 respectively.But got error as these values reduce the total frame dimension.Then changed it to np.zeros((h*3,w*3,3), dtype=np.uint8) and it works..!!

answered Nov 5, 2017 at 11:46

Ayyswariyaa

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