gpsp | gpSP nspire port by calc84maniac
kandi X-RAY | gpsp Summary
kandi X-RAY | gpsp Summary
gpSP nspire port by calc84maniac
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QUESTION
I am developing an application in raspberry pi to use it as a location tracker. I am using neo-6m GPS via USB interface to get the position data in raspberry pi. For this I am setting up GPSD to point to the USB-Serial device. (See instructions)
The following python script polls the GPSD daemon and sends the location data to the parent process via a Unix Domain Socket:
...ANSWER
Answered 2017-Dec-01 at 06:24I figured out the issue. In the "run" method of the "GpsPoller" class, I am invoking a sleep call. It seems this delay make the python client lag behind the GPSD demon in retrieving the location data queued by the GPSD daemon. I just removed the sleep and I started getting the correct locations in time.
QUESTION
When I ran this sample code on window with opencv 3.0.0
, sift = cv2.SIFT()
works, and when I ran the same code with change to sift = cv2.xfeatures2d.SIFT_create()
in Raspberry Pi with opencv 3.2.0
, it shows this error,
ANSWER
Answered 2017-May-01 at 18:01In OpenCV 3.2.0
, the xfeatures2d
module is moved to opencv_contrib
. You may verify if your RPI
cv2
installation has it or not by help(cv.xfeatures2d)
and help(cv2.xfeatures2d.SIFT_create())
. If that's the case, you need to find a OpenCV
binary has been built with opencv_contrib
modules if you didn't build it yourself.
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