How two wrap a phase curve between two value.

[Rajab Legnain]

Hello Every One

I have a question, hoping someone has the answer.

I am trying to create a graph for phase curves. This graph will wrap the value if it is larger than 180 degree or smaller than -180.

I have attached a photos shows what exactly I want to do.

Thanks for help in advance.

I

[Sebastian Höfer]

Hi,

the easiest way would be to unwrap your phase before plotting it. There is already a function for that in numpy:

https://docs.scipy.org/doc/numpy/reference/generated/numpy.unwrap.html

Per default it expects the data to be in radians, but it should be configurable to degrees or just convert it to radians before unwrapping.

Regards

S

[Rajab Legnain]

Thanks Sebastian for help.
When I did what you told me, I got this. please look at the new photo.
The issue is that I  don't want a connecting line between the discontinuous points. how to remove the line that marked by arrow. 

[Rajab Legnain]

I figured out how to remove the  unwanted two lines.  I used the param called "connect" in plotDataItem.
for more info read the PlotDataItem

Regards